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Title

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1		-RS485-LN – RS485 to LoRaWAN Converter
	1	+RS485-LN – RS485 to LoRaWAN Converter User Manual

Content

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1		-(% style="text-align:center" %)
2		-[[image:1653266934636-343.png||height="385" width="385"]]
	1	+(% aria-label="1653266934636-343.png image widget" contenteditable="false" role="region" tabindex="-1" %)
	2	+(((
	3	+(% data-widget="image" style="text-align:center" %)
	4	+[[image:1653266934636-343.png||height="385" width="385"]](% title="Click and drag to resize" %)​
3	3
	6	+(% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||height="15" role="presentation" title="Click and drag to move" width="15"]]
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4	4
5	5
6		-**RS485-LN – RS485 to LoRaWAN Converter User Manual**
7	7
8	8
9	9
10	10
	14	+
11	11	**Table of Contents:**
12	12
13	13	{{toc/}}
14	14
15	15
	20	+(% aria-label="macro:toc widget" contenteditable="false" role="region" tabindex="-1" %)
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	22	+(% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||height="15" role="presentation" title="Click and drag to move" width="15"]]
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16	16
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	29	+
	30	+
21	21	= 1.Introduction =
22	22
	33	+
23	23	== 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
24	24
25	25	(((
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	39	+
	40	+
27	27	The Dragino RS485-LN is a (% style="color:blue" %)**RS485 to LoRaWAN Converter**(%%). It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost.
28	28	)))
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29	29
30	30	(((
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31	31	RS485-LN allows user to (% style="color:blue" %)**monitor / control RS485 devices**(%%) and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
32	32	)))
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35	35	(% style="color:blue" %)**For data uplink**(%%), RS485-LN sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-LN will process these returns according to user-define rules to get the final payload and upload to LoRaWAN server.
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39	39	(% style="color:blue" %)**For data downlink**(%%), RS485-LN runs in LoRaWAN Class C. When there downlink commands from LoRaWAN server, RS485-LN will forward the commands from LoRaWAN server to RS485 devices.
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40	40
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41	41	(% style="color:blue" %)**Demo Dashboard for RS485-LN**(%%) connect to two energy meters: [[https:~~/~~/app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a>>url:https://app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a]]
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42	42	)))
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44	44
45		-[[image:1653267211009-519.png||height="419" width="724"]]
	70	+(% aria-label="1653267211009-519.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653267211009-519.png||data-widget="image" height="419" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
46	46
47	47
	73	+
48	48	== 1.2 Specifications ==
49	49
50	50
51		-**Hardware System:**
	77	+(% style="color:#037691" %)**Hardware System:**
52	52
53	53	* STM32L072CZT6 MCU
54	54	* SX1276/78 Wireless Chip
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56	56	** Idle: 32mA@12v
57	57	** 20dB Transmit: 65mA@12v
58	58
59		-**Interface for Model:**
60	60
	86	+
	87	+(% style="color:#037691" %)**Interface for Model:**
	88	+
61	61	* RS485
62	62	* Power Input 7~~ 24V DC.
63	63
64		-**LoRa Spec:**
65	65
	93	+
	94	+(% style="color:#037691" %)**LoRa Spec:**
	95	+
66	66	* Frequency Range:
67	67	** Band 1 (HF): 862 ~~ 1020 Mhz
68	68	** Band 2 (LF): 410 ~~ 528 Mhz
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83	83	* Packet engine up to 256 bytes with CRC
84	84
85	85
	116	+
	117	+
86	86	== 1.3 Features ==
87	87
	120	+
88	88	* LoRaWAN Class A & Class C protocol (default Class C)
89		-* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
	122	+* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864/MA869
90	90	* AT Commands to change parameters
91	91	* Remote configure parameters via LoRa Downlink
92	92	* Firmware upgradable via program port
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95	95	* Support Interrupt uplink (Since hardware version v1.2)
96	96
97	97
	131	+
	132	+
98	98	== 1.4 Applications ==
99	99
	135	+
100	100	* Smart Buildings & Home Automation
101	101	* Logistics and Supply Chain Management
102	102	* Smart Metering
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105	105	* Smart Factory
106	106
107	107
	144	+
	145	+
108	108	== 1.5 Firmware Change log ==
109	109
	148	+
110	110	[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
111	111
112	112
	152	+
113	113	== 1.6 Hardware Change log ==
114	114
	155	+
115	115	(((
116	116	(((
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117	117	v1.2: Add External Interrupt Pin.
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118	118
	162	+(((
119	119	v1.0: Release
	164	+)))
120	120
	166	+
121	121
122	122	)))
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124	124
125	125	= 2. Power ON Device =
126	126
	173	+
127	127	(((
128	128	The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
129	129
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134	134	Once there is power, the RS485-LN will be on.
135	135	)))
136	136
137		-[[image:1653268091319-405.png]]
	184	+(% aria-label="1653268091319-405.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268091319-405.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
138	138
	186	+
139	139
140	140	)))
141	141
142	142	= 3. Operation Mode =
143	143
	192	+
144	144	== 3.1 How it works? ==
145	145
	195	+
146	146	(((
	197	+(((
147	147	The RS485-LN is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the RS485-LN. It will auto join the network via OTAA.
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148	148
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149	149
150	150	)))
151	151
152	152	== 3.2 Example to join LoRaWAN network ==
153	153
	207	+
154	154	Here shows an example for how to join the TTN V3 Network. Below is the network structure, we use [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]] as LoRaWAN gateway here.
155	155
156		-[[image:1653268155545-638.png||height="334" width="724"]]
157	157
	211	+(% aria-label="1653268155545-638.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268155545-638.png||data-widget="image" height="334" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
158	158
	213	+
159	159	(((
160	160	(((
161	161	The RS485-LN in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method. The connection is as below:
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163	163
164	164	(((
165	165	485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
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	222	+
166	166	)))
167	167
168		-[[image:1653268227651-549.png||height="592" width="720"]]
	225	+(% aria-label="1653268227651-549.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268227651-549.png||data-widget="image" height="592" width="720"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
169	169
	227	+
170	170	(((
171	171	The LG308 is already set to connect to [[TTN V3 network >>path:https://www.thethingsnetwork.org/]]. So what we need to now is only configure the TTN V3:
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	231	+
172	172	)))
173	173
174	174	(((
175		-**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
	235	+(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN.
176	176	)))
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180	180	)))
181	181	)))
182	182
183		-[[image:1652953462722-299.png]]
	243	+(% aria-label="1652953462722-299.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953462722-299.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
184	184
	245	+
185	185	(((
186	186	(((
187	187	User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
	249	+
	250	+
188	188	)))
189	189
190	190	(((
191		-Add APP EUI in the application.
	254	+**Add APP EUI in the application.**
192	192	)))
193	193	)))
194	194
195		-[[image:image-20220519174512-1.png]]
	258	+(% aria-label="image-20220519174512-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-1.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
196	196
197		-[[image:image-20220519174512-2.png||height="323" width="720"]]
	260	+(% aria-label="image-20220519174512-2.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-2.png||data-widget="image" height="323" width="720"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
198	198
199		-[[image:image-20220519174512-3.png||height="556" width="724"]]
	262	+(% aria-label="image-20220519174512-3.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-3.png||data-widget="image" height="556" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
200	200
201		-[[image:image-20220519174512-4.png]]
	264	+(% aria-label="image-20220519174512-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-4.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]]
202	202
	266	+
	267	+(% title="Click and drag to resize" %)​
	268	+
203	203	You can also choose to create the device manually.
204	204
205		-[[image:1652953542269-423.png||height="710" width="723"]]
	271	+(% aria-label="1652953542269-423.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953542269-423.png||data-widget="image" height="710" width="723"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
206	206
207		-Add APP KEY and DEV EUI
208	208
209		-[[image:1652953553383-907.png||height="514" width="724"]]
210	210
	275	+**Add APP KEY and DEV EUI**
211	211
	277	+(% aria-label="1652953553383-907.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953553383-907.png||data-widget="image" height="514" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	278	+
	279	+
	280	+
212	212	(((
213		-**Step 2**: Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
	282	+(% style="color:blue" %)**Step 2**(%%): Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
	283	+
	284	+
214	214	)))
215	215
216		-[[image:1652953568895-172.png||height="232" width="724"]]
	287	+(% aria-label="1652953568895-172.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953568895-172.png||data-widget="image" height="232" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
217	217
218	218
	290	+
219	219	== 3.3 Configure Commands to read data ==
220	220
	293	+
221	221	(((
222	222	(((
223		-There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
	296	+(((
	297	+There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>||anchor="H3.5ConfigureRS485-LNviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
	298	+
	299	+
224	224	)))
	301	+)))
225	225
226	226	(((
227		-(% style="color:red" %)Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1
	304	+(((
	305	+(% style="color:red" %)**Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1**
	306	+)))
228	228
	308	+
229	229
230	230	)))
231	231	)))
232	232
233		-=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
	313	+=== 3.3.1 Configure UART settings for RS485 or TTL communication ===
234	234
	315	+
235	235	To use RS485-LN to read data from RS485 sensors, connect the RS485-LN A/B traces to the sensors. And user need to make sure RS485-LN use the match UART setting to access the sensors. The related commands for UART settings are:
236	236
237		-(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
238		-|(% style="width:128px" %)(((
	318	+
	319	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	320	+|=(% style="width: 110px;" %)(((
239	239	**AT Commands**
240		-)))|(% style="width:305px" %)(((
	322	+)))|=(% style="width: 190px;" %)(((
241	241	**Description**
242		-)))|(% style="width:346px" %)(((
	324	+)))|=(% style="width: 190px;" %)(((
243	243	**Example**
244	244	)))
245		-|(% style="width:128px" %)(((
	327	+|(% style="width:110px" %)(((
246	246	AT+BAUDR
247		-)))|(% style="width:305px" %)(((
	329	+)))|(% style="width:190px" %)(((
248	248	Set the baud rate (for RS485 connection). Default Value is: 9600.
249		-)))|(% style="width:346px" %)(((
	331	+)))|(% style="width:190px" %)(((
250	250	(((
251	251	AT+BAUDR=9600
252	252	)))
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255	255	Options: (1200,2400,4800,14400,19200,115200)
256	256	)))
257	257	)))
258		-|(% style="width:128px" %)(((
	340	+|(% style="width:110px" %)(((
259	259	AT+PARITY
260		-)))|(% style="width:305px" %)(((
	342	+)))|(% style="width:190px" %)(((
261	261	Set UART parity (for RS485 connection)
262		-)))|(% style="width:346px" %)(((
	344	+)))|(% style="width:190px" %)(((
263	263	(((
264	264	AT+PARITY=0
265	265	)))
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268	268	Option: 0: no parity, 1: odd parity, 2: even parity
269	269	)))
270	270	)))
271		-|(% style="width:128px" %)(((
	353	+|(% style="width:110px" %)(((
272	272	AT+STOPBIT
273		-)))|(% style="width:305px" %)(((
	355	+)))|(% style="width:190px" %)(((
274	274	(((
275	275	Set serial stopbit (for RS485 connection)
276	276	)))
...	...	@@ -278,7 +278,7 @@
278	278	(((
279	279
280	280	)))
281		-)))|(% style="width:346px" %)(((
	363	+)))|(% style="width:190px" %)(((
282	282	(((
283	283	AT+STOPBIT=0 for 1bit
284	284	)))
...	...	@@ -294,28 +294,40 @@
294	294
295	295
296	296
	379	+
297	297	=== 3.3.2 Configure sensors ===
298	298
	382	+
299	299	(((
300	300	(((
301		-Some sensors might need to configure before normal operation. User can configure such sensor via PC and RS485 adapter or through RS485-LN AT Commands (% style="color:#4f81bd" %)**AT+CFGDEV**(%%). Each (% style="color:#4f81bd" %)**AT+CFGDEV **(%%)equals to send a RS485 command to sensors. This command will only run when user input it and won’t run during each sampling.
	385	+Some sensors might need to configure before normal operation. User can configure such sensor via PC and RS485 adapter or through RS485-LN AT Commands (% style="color:#4f81bd" %)**AT+CFGDEV**(%%). Each (% style="color:#4f81bd" %)**AT+CFGDEV **(%%)equals to send a RS485 command to sensors. This command will only run when user input it and won't run during each sampling.
	386	+
	387	+
302	302	)))
303	303	)))
304	304
305		-(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
306		-|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
307		-|AT+CFGDEV|(% style="width:418px" %)(((
	391	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	392	+|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
	393	+|AT+CFGDEV|(% style="width:110px" %)(((
	394	+(((
308	308	This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
	396	+)))
309	309
	398	+(((
310	310	AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
	400	+)))
311	311
	402	+(((
312	312	mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
313		-)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
	404	+)))
	405	+)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
314	314
315	315
316	316
	409	+
317	317	=== 3.3.3 Configure read commands for each sampling ===
318	318
	412	+
319	319	(((
320	320	During each sampling, we need confirm what commands we need to send to the RS485 sensors to read data. After the RS485 sensors send back the value, it normally include some bytes and we only need a few from them for a shorten payload.
321	321
...	...	@@ -326,7 +326,7 @@
326	326	During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
327	327
328	328
329		-**Each RS485 commands include two parts:**
	423	+(% style="color:#037691" %)**Each RS485 commands include two parts:**
330	330
331	331	~1. What commands RS485-LN will send to the RS485 sensors. There are total 15 commands from **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF**. All commands are of same grammar.
332	332
...	...	@@ -337,15 +337,14 @@
337	337
338	338	After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
339	339
340		-
341	341	Below are examples for the how above AT Commands works.
342	342
343	343
344		-**AT+COMMANDx : **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is:
	437	+(% style="color:#037691" %)**AT+COMMANDx **(%%)**: **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is:
345	345
346	346	(% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
347	347	|(% style="width:496px" %)(((
348		-**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	441	+(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
349	349
350	350	**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
351	351
...	...	@@ -357,10 +357,10 @@
357	357	In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
358	358
359	359
360		-**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
	453	+(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
361	361
362		-(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
363		-|(% style="width:722px" %)(((
	455	+(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
	456	+|(% style="width:510px" %)(((
364	364	**AT+DATACUTx=a,b,c**
365	365
366	366	* **a: length for the return of AT+COMMAND**
...	...	@@ -370,25 +370,29 @@
370	370
371	371	**Examples:**
372	372
373		-* Grab bytes:
	466	+* (% style="color:#037691" %)**Grab bytes**
374	374
375		-[[image:image-20220602153621-1.png]]
	468	+(% aria-label="image-20220602153621-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-1.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
376	376
377	377
378		-* Grab a section.
379	379
380		-[[image:image-20220602153621-2.png]]
	472	+* (% style="color:#037691" %)**Grab a section**
381	381
	474	+(% aria-label="image-20220602153621-2.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-2.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
382	382
383		-* Grab different sections.
384	384
385		-[[image:image-20220602153621-3.png]]
386	386
	478	+* (% style="color:#037691" %)**Grab different sections**
	479	+
	480	+(% aria-label="image-20220602153621-3.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-3.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	481	+
	482	+
387	387
388	388	)))
389	389
390	390	=== 3.3.4 Compose the uplink payload ===
391	391
	488	+
392	392	(((
393	393	Through AT+COMMANDx and AT+DATACUTx we got valid value from each RS485 commands, Assume these valid value are RETURN1, RETURN2, .., to RETURNx. The next step is how to compose the LoRa Uplink Payload by these RETURNs. The command is **AT+DATAUP.**
394	394
...	...	@@ -417,7 +417,7 @@
417	417	Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
418	418	)))
419	419
420		-[[image:1653269759169-150.png||height="513" width="716"]]
	517	+(% aria-label="1653269759169-150.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653269759169-150.png||data-widget="image" height="513" width="716"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
421	421
422	422
423	423	(% style="color:#037691" %)**Examples: AT+DATAUP=1**
...	...	@@ -435,7 +435,7 @@
435	435	1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
436	436	1. DATA: Valid value: max 8 bytes for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 8 bytes
437	437
438		-[[image:image-20220602155039-4.png]]
	535	+(% aria-label="image-20220602155039-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602155039-4.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
439	439
440	440
441	441	So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
...	...	@@ -447,7 +447,7 @@
447	447	DATA3=the rest of Valid value of RETURN10= **30**
448	448
449	449
450		-(% style="color:red" %)Notice: In firmware v1.3, the Max bytes has been changed according to the max bytes in different Frequency Bands for lowest SF. As below:
	547	+(% style="color:red" %)**Notice: In firmware v1.3, the Max bytes has been changed according to the max bytes in different Frequency Bands for lowest SF. As below:**
451	451
452	452	~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
453	453
...	...	@@ -457,14 +457,31 @@
457	457
458	458	~* For all other bands: max 51 bytes for each uplink.
459	459
	557	+(% style="color:red" %)*** When AT+DATAUP=1, the maximum number of segments is 15, and the maximum total number of bytes is 1500;**
460	460
	559	+(% style="color:red" %)** When AT+DATAUP=1 and AT+ADR=0, the maximum number of bytes of each payload is determined by the DR value. (Since v1.4.0)**
	560	+
	561	+
	562	+(% style="color:#4f81bd" %)**If the data is empty, return to the display（Since v1.4.0）**
	563	+
	564	+1)When AT+MOD=1, if the data intercepted by AT+DATACUT or AT+MBFUN is empty, it will display NULL, and the payload will be filled with n FFs.
	565	+
	566	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/test/WebHome/image-20220824114359-3.png?width=1106&height=297&rev=1.1||alt="image-20220824114359-3.png" height="297" width="1106"]]
	567	+
	568	+2)When AT+MOD=2, if the data intercepted by AT+DATACUT or AT+MBFUN is empty, it will display NULL, and the payload will be filled with n 00s.
	569	+
	570	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/test/WebHome/image-20220824114330-2.png?rev=1.1||alt="image-20220824114330-2.png"]]
	571	+
	572	+
461	461	Below are the uplink payloads:
462	462
463		-[[image:1654157178836-407.png]]
	575	+(% aria-label="1654157178836-407.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654157178836-407.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
464	464
465	465
	578	+
466	466	=== 3.3.5 Uplink on demand ===
467	467
	581	+
468	468	Except uplink periodically, RS485-LN is able to uplink on demand. The server send downlink command to RS485-LN and RS485 will uplink data base on the command.
469	469
470	470	Downlink control command:
...	...	@@ -477,577 +477,1070 @@
477	477
478	478	=== 3.3.6 Uplink on Interrupt ===
479	479
	594	+
480	480	RS485-LN support external Interrupt uplink since hardware v1.2 release.
481	481
482		-[[image:1654157342174-798.png]]
	597	+(% aria-label="1654157342174-798.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654157342174-798.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
483	483
484	484	Connect the Interrupt pin to RS485-LN INT port and connect the GND pin to V- port. When there is a high voltage (Max 24v) on INT pin. Device will send an uplink packet.
485	485
486	486
	602	+
487	487	== 3.4 Uplink Payload ==
488	488
489		-(% border="1" style="background-color:#4bacc6; color:white; width:734px" %)
490		-|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands**
491		-|Value|(% style="width:120px" %)(((
492		-Battery(mV)
493	493
494		-&
	606	+(% aria-label="image-20220606110929-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220606110929-1.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
495	495
496		-Interrupt _Flag
497		-)))|(% style="width:116px" %)(((
498		-PAYLOAD_VER
	608	+Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
499	499
500		-
501		-)))|(% style="width:386px" %)If the valid payload is too long and exceed the maximum support payload length in server, server will show payload not provided in the LoRaWAN server.
502	502
503		-Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
504	504
	612	+== 3.5 Configure RS485-LN via AT or Downlink ==
505	505
506		-== 3.5 Configure RS485-BL via AT or Downlink ==
507	507
	615	+(((
508	508	User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
	617	+)))
509	509
	619	+(((
510	510	There are two kinds of Commands:
	621	+)))
511	511
512		-* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
	623	+* (((
	624	+(% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
	625	+)))
513	513
514		-* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
	627	+* (((
	628	+(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
	629	+)))
515	515
	631	+(((
	632	+
	633	+)))
516	516
517	517
	636	+
518	518	=== 3.5.1 Common Commands ===
519	519
	639	+
520	520	They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
521	521
522	522
523		-=== 3.5.2 Sensor related commands ===
524	524
	644	+=== 3.5.2 Downlink Response(Since firmware v1.4) ===
	645	+
	646	+
525	525	Response feature is added to the server's downlink, a special package with a FPort of 200 will be uploaded immediately after receiving the data sent by the server.
526	526
527		-[[image:image-20220602163333-5.png||height="263" width="1160"]]
	649	+(% aria-label="image-20220602163333-5.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602163333-5.png||data-widget="image" height="263" width="1160"]](% title="Click and drag to resize" %)​
528	528
529	529	The first byte of this package represents whether the configuration is successful, 00 represents failure, 01 represents success. Except for the first byte, the other is the previous downlink. (All commands except A8 type commands are applicable)
530	530
531	531
	654	+
532	532	=== 3.5.3 Sensor related commands ===
533	533
534	534
535	535
536		-==== **RS485 Debug Command** ====
537	537
538		-This command is used to configure the RS485 devices; they won’t be used during sampling.
	660	+==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
539	539
540		-* **AT Command**
541	541
542		-(% class="box infomessage" %)
543	543	(((
544		-**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	664	+This command is used to configure the RS485 devices; they won't be used during sampling.
545	545	)))
546	546
547		-m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
	667	+* (((
	668	+(% style="color:#037691" %)**AT Command**
548	548
549		-* **Downlink Payload**
	670	+(((
	671	+**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**  m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
	672	+)))
	673	+)))
550	550
	675	+(((
	676	+
	677	+)))
	678	+
	679	+* (((
	680	+(% style="color:#037691" %)**Downlink Payload**
	681	+)))
	682	+
	683	+(((
551	551	Format: A8 MM NN XX XX XX XX YY
	685	+)))
552	552
	687	+(((
553	553	Where:
	689	+)))
554	554
555		-* MM: 1: add CRC-16/MODBUS ; 0: no CRC
556		-* NN: The length of RS485 command
557		-* XX XX XX XX: RS485 command total NN bytes
558		-* YY: How many bytes will be uplink from the return of this RS485 command,
559		-** if YY=0, RS485-LN will execute the downlink command without uplink;
560		-** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
561		-** if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
	691	+* (((
	692	+MM: 1: add CRC-16/MODBUS ; 0: no CRC
	693	+)))
	694	+* (((
	695	+NN: The length of RS485 command
	696	+)))
	697	+* (((
	698	+XX XX XX XX: RS485 command total NN bytes
	699	+)))
	700	+* (((
	701	+(((
	702	+YY: How many bytes will be uplink from the return of this RS485 command,
	703	+)))
562	562
563		-**Example 1** ~-~-> Configure without ask for uplink (YY=0)
	705	+* (((
	706	+if YY=0, RS485-LN will execute the downlink command without uplink;
	707	+)))
	708	+* (((
	709	+if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
	710	+)))
	711	+* (((
	712	+if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
	713	+)))
	714	+)))
564	564
	716	+(((
	717	+
	718	+
	719	+(% style="color:blue" %)**Example 1:**  (%%) ~-~-> Configure without ask for uplink (YY=0)
	720	+)))
	721	+
	722	+(((
565	565	To connect a Modbus Alarm with below commands.
	724	+)))
566	566
567		-* The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
	726	+* (((
	727	+The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
	728	+)))
568	568
569		-* The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
	730	+* (((
	731	+The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
	732	+)))
570	570
	734	+(((
	735	+
	736	+
571	571	So if user want to use downlink command to control to RS485 Alarm, he can use:
	738	+)))
572	572
	740	+(((
573	573	(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
	742	+)))
574	574
	744	+(((
575	575	(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
	746	+)))
576	576
	748	+(((
577	577	A8 is type code and 01 means add CRC-16/MODBUS at the end, the 3^^rd^^ byte is 06, means the next 6 bytes are the command to be sent to the RS485 network, the final byte 00 means this command don’t need to acquire output.
	750	+)))
578	578
	752	+(((
	753	+
	754	+)))
579	579
580		-**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
	756	+(((
	757	+(% style="color:blue" %)**Example 2:**  (%%) ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
	758	+)))
581	581
	760	+(((
582	582	User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
	762	+)))
583	583
	764	+(((
	765	+
	766	+)))
584	584
585		-RS485-LN got this downlink command and send (% style="color:#4f81bd" %)**0A 08 00 04 00 01 **(%%)to Modbus network. One of the RS485 sensor in the network send back Modbus reply **0A 08 00 04 00 00**. RS485-LN get this reply and combine with the original downlink command and uplink. The uplink message is:
	768	+(((
	769	+(((
	770	+RS485-LN got this downlink command and send (% style="color:#4f81bd" %)**0A 08 00 04 00 01 **(%%)to Modbus network. One of the RS485 sensor in the network send back Modbus reply **0A 08 00 04 00 00**. RS485-LN get this reply and combine with the original downlink command and uplink. The uplink message is:  **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
	771	+)))
586	586
587		- **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
	773	+
	774	+)))
588	588
589		- [[image:1654159460680-153.png]]
	776	+(((
	777	+ (% aria-label="1654159460680-153.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654159460680-153.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	778	+)))
590	590
591	591
592	592
593		-==== **Set Payload version** ====
594	594
595		-This is the first byte of the uplink payload. RS485-BL can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload.
	783	+==== (% style="color:blue" %)**Set Payload version**(%%) ====
596	596
597		-* **AT Command:**
598	598
599		-(% class="box infomessage" %)
600	600	(((
601		-**AT+PAYVER: Set PAYVER field = 1**
	787	+This is the first byte of the uplink payload. RS485-LN can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload.
602	602	)))
603	603
604		-* **Downlink Payload:**
	790	+* (((
	791	+(% style="color:#037691" %)**AT Command:**
605	605
606		-**0xAE 01**  ~-~-> Set PAYVER field =  0x01
	793	+**AT+PAYVER:    **Set PAYVER field = 1
607	607
608		-**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
	795	+
	796	+)))
	797	+* (((
	798	+(% style="color:#037691" %)**Downlink Payload:**
	799	+)))
609	609
	801	+(((
	802	+**0xAE 01**  ~-~->  Set PAYVER field =  0x01
	803	+)))
610	610
	805	+(((
	806	+**0xAE 0F**   ~-~->  Set PAYVER field =  0x0F
	807	+)))
611	611
612		-==== **Set RS485 Sampling Commands** ====
613	613
614		-AT+COMMANDx or AT+DATACUTx
	810	+1)Add the interrupt flag at the highest bit of the Payver byte, that is, Byte7 of the first byte. (Since v1.4.0)[[image:image-20220824145428-2.png||height="168" width="1300"]]
615	615
616		-These three commands are used to configure how the RS485-LN polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
617	617
	813	+2)if the data intercepted by AT+DATACUT or AT+MBFUN is empty, it will display NULL, and the payload will be filled with n FFs.
618	618
619		-* **AT Command:**
	815	+[[image:image-20220824145428-3.png||height="308" width="1200"]]
620	620
621		-(% class="box infomessage" %)
	817	+
	818	+==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
	819	+
	820	+
622	622	(((
623		-**AT+COMMANDx: Configure RS485 read command to sensor.**
	822	+AT+COMMANDx or AT+DATACUTx
624	624	)))
625	625
626		-(% class="box infomessage" %)
627	627	(((
628		-**AT+DATACUTx: Configure how to handle return from RS485 devices.**
	826	+These three commands are used to configure how the RS485-LN polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
629	629	)))
630	630
	829	+(((
	830	+
	831	+)))
631	631
632		-* **Downlink Payload:**
	833	+* (((
	834	+(% style="color:#037691" %)**AT Command:**
	835	+)))
633	633
	837	+**AT+COMMANDx:    **Configure RS485 read command to sensor.
	838	+
	839	+**AT+DATACUTx:        **Configure how to handle return from RS485 devices.
	840	+
	841	+
	842	+* (((
	843	+(% style="color:#037691" %)**Downlink Payload:**
	844	+)))
	845	+
	846	+(((
634	634	**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
635	635
	849	+
	850	+)))
	851	+
	852	+(((
636	636	(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
637	637
	855	+
	856	+)))
	857	+
	858	+(((
638	638	Format: AF MM NN LL XX XX XX XX YY
	860	+)))
639	639
	862	+(((
640	640	Where:
	864	+)))
641	641
642		-* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
643		-* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
644		-* LL:  The length of AT+COMMAND or AT+DATACUT command
645		-* XX XX XX XX: AT+COMMAND or AT+DATACUT command
646		-* YY:  If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command.
	866	+* (((
	867	+MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
	868	+)))
	869	+* (((
	870	+NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
	871	+)))
	872	+* (((
	873	+LL:  The length of AT+COMMAND or AT+DATACUT command
	874	+)))
	875	+* (((
	876	+XX XX XX XX: AT+COMMAND or AT+DATACUT command
	877	+)))
	878	+* (((
	879	+YY:  If YY=0, RS485-LN will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command.
	880	+)))
647	647
	882	+(((
	883	+
	884	+
648	648	**Example:**
	886	+)))
649	649
	888	+(((
650	650	(% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1
	890	+)))
651	651
	892	+(((
652	652	(% style="color:#037691" %)**AF 03 02 06**(% style="color:orange" %)** 10 **(% style="color:red" %)**01 **(% style="color:green" %)**05 06 09 0A**(% style="color:#037691" %)** 00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**16**(%%),(% style="color:red" %)**1**(%%),(% style="color:green" %)**5+6+9+10**
	894	+)))
653	653
	896	+(((
654	654	(% style="color:#037691" %)**AF 03 02 06 **(% style="color:orange" %)**0B**(% style="color:red" %)** 02 **(% style="color:green" %)**05 07 08 0A **(% style="color:#037691" %)**00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**11**(%%),(% style="color:red" %)**2**(%%),(% style="color:green" %)**5~~7+8~~10**
	898	+)))
655	655
656	656
657	657
658		-==== **Fast command to handle MODBUS device** ====
659	659
660		-AT+MBFUN is valid since v1.3 firmware version. The command is for fast configure to read Modbus devices. It is only valid for the devices which follow the [[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]].
	903	+==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
661	661
	905	+
	906	+(((
	907	+**AT+MBFUN** is valid since v1.3 firmware version. The command is for fast configure to read Modbus devices. It is only valid for the devices which follow the [[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]].
	908	+)))
	909	+
	910	+(((
662	662	This command is valid since v1.3 firmware version
	912	+)))
663	663
	914	+(((
664	664	AT+MBFUN can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore.
	916	+)))
665	665
	918	+(((
	919	+
	920	+)))
666	666
	922	+(((
667	667	**Example:**
	924	+)))
668	668
669		-* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
670		-* AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
671		-* AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
	926	+* (((
	927	+AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2  are not configure (0,0,0). So RS485-LN.
	928	+)))
	929	+* (((
	930	+AT+COMMAND1= 01 03 00 10 00 08,1  ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
	931	+)))
	932	+* (((
	933	+AT+COMMAND2= 01 02 00 40 00 10,1  ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
672	672
673		-[[image:image-20220602165351-6.png]]
	935	+
	936	+)))
674	674
675		-[[image:image-20220602165351-7.png]]
	938	+(% aria-label="image-20220602165351-6.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-6.png||data-widget="image"]](% title="Click and drag to resize" %)​
676	676
	940	+(% aria-label="image-20220602165351-7.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-7.png||data-widget="image"]](% title="Click and drag to resize" %)​
677	677
678	678
679		-==== **RS485 command timeout** ====
680	680
	944	+
	945	+==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
	946	+
	947	+
	948	+(((
681	681	Some Modbus device has slow action to send replies. This command is used to configure the RS485-LN to use longer time to wait for their action.
	950	+)))
682	682
	952	+(((
683	683	Default value: 0, range:  0 ~~ 65 seconds
	954	+)))
684	684
685		-* **AT Command:**
	956	+* (((
	957	+(% style="color:#037691" %)** AT Command:**
686	686
687		-(% class="box infomessage" %)
688		-(((
689	689	**AT+CMDDLaa=hex(bb cc)*1000**
690	690	)))
691	691
	962	+(((
	963	+
	964	+
692	692	**Example:**
	966	+)))
693	693
	968	+(((
694	694	**AT+CMDDL1=1000** to send the open time to 1000ms
	970	+)))
695	695
	972	+(((
	973	+
	974	+)))
696	696
697		-* **Downlink Payload:**
	976	+* (((
	977	+(% style="color:#037691" %)** Downlink Payload:**
	978	+)))
698	698
	980	+(((
699	699	**0x AA aa bb cc**
	982	+)))
700	700
	984	+(((
701	701	Same as: AT+CMDDLaa=hex(bb cc)*1000
	986	+)))
702	702
703		- **Example:**
	988	+(((
	989	+**Example:**
	990	+)))
704	704
705		- 0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
	992	+(((
	993	+**0xAA 01 00 01**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
	994	+)))
706	706
707	707
	997	+==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
708	708
709		-==== **Uplink payload mode** ====
710	710
	1000	+(((
711	711	Define to use one uplink or multiple uplinks for the sampling.
	1002	+)))
712	712
	1004	+(((
713	713	The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
714	714
715		-* **AT Command:**
	1007	+
	1008	+)))
716	716
717		-(% class="box infomessage" %)
718		-(((
	1010	+* (((
	1011	+(% style="color:#037691" %)** AT Command:**
	1012	+
719	719	**AT+DATAUP=0**
720		-)))
721	721
722		-(% class="box infomessage" %)
723		-(((
724	724	**AT+DATAUP=1**
	1016	+
	1017	+
725	725	)))
726	726
	1020	+**0xAD 01 00 00 14**  **~-~->** Same as AT+DATAUP=1，20000 ~/~/(00 00 14 is 20 seconds)
727	727
728		-* **Downlink Payload:**
	1022	+Each uplink is sent to the server at 20-second intervals when segmented.
729	729
730		-**0xAD 00**  **~-~->** Same as AT+DATAUP=0
731	731
732		-**0xAD 01**  **~-~->** Same as AT+DATAUP=1
	1025	+* (((
	1026	+(% style="color:#037691" %)** Downlink Payload:**
	1027	+)))
733	733
	1029	+**0xAD 00**  **~-~->** Same as AT+DATAUP=0
734	734
	1031	+**0xAD 01**  **~-~->** Same as AT+DATAUP=1  ~/~/Each uplink is sent to the server one after the other as it is segmented.
735	735
736		-==== **Manually trigger an Uplink** ====
737	737
	1034	+* (((
	1035	+(% style="color:#037691" %)** AT Command:**
	1036	+)))
	1037	+
	1038	+**AT+DATAUP=1,Timeout**
	1039	+
	1040	+
	1041	+* (((
	1042	+(% style="color:#037691" %)** Downlink Payload:**
	1043	+)))
	1044	+
	1045	+**0xAD 01 00 00 14**  **~-~->** Same as AT+DATAUP=1，20000 ~/~/(00 00 14 is 20 seconds)
	1046	+
	1047	+Each uplink is sent to the server at 20-second intervals when segmented.
	1048	+
	1049	+==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
	1050	+
	1051	+
	1052	+(((
738	738	Ask device to send an uplink immediately.
	1054	+)))
739	739
740		-* **AT Command:**
	1056	+* (((
	1057	+(% style="color:#037691" %)** AT Command:**
	1058	+)))
741	741
742		-No AT Command for this, user can press the [[ACT button>>||anchor="3.7Buttons"]] for 1 second for the same.
	1060	+(((
	1061	+No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
	1062	+)))
743	743
	1064	+(((
	1065	+
	1066	+)))
744	744
745		-* **Downlink Payload:**
	1068	+* (((
	1069	+(% style="color:#037691" %)** Downlink Payload:**
	1070	+)))
746	746
	1072	+(((
747	747	**0x08 FF**, RS485-LN will immediately send an uplink.
	1074	+)))
748	748
749	749
750	750
751		-==== **Clear RS485 Command** ====
752	752
	1079	+==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
	1080	+
	1081	+
	1082	+(((
753	753	The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
754	754
755		-* **AT Command:**
	1085	+
	1086	+)))
756	756
	1088	+* (((
	1089	+(% style="color:#037691" %)** AT Command:**
	1090	+)))
	1091	+
	1092	+(((
757	757	**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
	1094	+)))
758	758
	1096	+(((
759	759	Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	1098	+)))
760	760
	1100	+(((
761	761	Example screen shot after clear all RS485 commands.
	1102	+)))
762	762
	1104	+(((
	1105	+
	1106	+)))
763	763
	1108	+(((
764	764	The uplink screen shot is:
	1110	+)))
765	765
766		-[[image:1654160691922-496.png]][[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
	1112	+(% aria-label="1654160691922-496.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654160691922-496.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
767	767
768	768
769		-* **Downlink Payload:**
	1115	+* (((
	1116	+(% style="color:#037691" %)** Downlink Payload:**
	1117	+)))
770	770
	1119	+(((
771	771	**0x09 aa bb** same as AT+CMDEAR=aa,bb
	1121	+)))
772	772
773	773
774	774
775		-==== **Set Serial Communication Parameters** ====
776	776
	1126	+==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
	1127	+
	1128	+
	1129	+(((
777	777	Set the Rs485 serial communication parameters:
778	778
779		-* **AT Command:**
	1132	+
	1133	+)))
780	780
781		-Set Baud Rate:
	1135	+* (((
	1136	+(% style="color:#037691" %)** AT Command:**
	1137	+)))
782	782
783		-(% class="box infomessage" %)
784	784	(((
785		-**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
	1140	+* Set Baud Rate
786	786	)))
787	787
788		-Set UART Parity
	1143	+**AT+BAUDR=9600**    ~/~/ Options: (200~~115200)  When using low baud rate or receiving multiple bytes, you need to use AT+CMDDL to increase the receive timeout (the default receive timeout is 400ms), otherwise data will be lost
789	789
790		-(% class="box infomessage" %)
	1145	+
791	791	(((
792		-**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
	1147	+* Set UART Parity
793	793	)))
794	794
795		-Set STOPBIT
	1150	+**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
796	796
797		-(% class="box infomessage" %)
	1152	+
798	798	(((
799		-**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
	1154	+* Set STOPBIT
800	800	)))
801	801
	1157	+**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
802	802
803		-* **Downlink Payload:**
804	804
805		-**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
806	806
	1161	+* (((
	1162	+(% style="color:#037691" %)** Downlink Payload:**
	1163	+)))
	1164	+
	1165	+(((
	1166	+**A7 01 aa bb**:  Same  AT+BAUDR=hex(aa bb)*100
	1167	+)))
	1168	+
	1169	+(((
807	807	**Example:**
	1171	+)))
808	808
809		-* A7 01 00 60   same as AT+BAUDR=9600
810		-* A7 01 04 80  same as AT+BAUDR=115200
	1173	+* (((
	1174	+A7 01 00 60   same as AT+BAUDR=9600
	1175	+)))
	1176	+* (((
	1177	+A7 01 04 80  same as AT+BAUDR=115200
	1178	+)))
811	811
812		-A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1180	+(((
	1181	+A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1182	+)))
813	813
814		-A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1184	+(((
	1185	+A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1186	+)))
815	815
816	816
	1189	+==== (% style="color:blue" %)**Encrypted payload**(%%) ====
	1190	+
	1191	+(((
	1192	+
	1193	+)))
	1194	+
	1195	+* (((
	1196	+(% style="color:#037691" %)** AT Command:**
	1197	+)))
	1198	+
	1199	+**AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
	1200	+
	1201	+**AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
	1202	+
	1203	+
	1204	+==== (% style="color:blue" %)**Get sensor value**(%%) ====
	1205	+
	1206	+
	1207	+* (((
	1208	+(% style="color:#037691" %)** AT Command:**
	1209	+)))
	1210	+
	1211	+**AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
	1212	+
	1213	+**AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
	1214	+
	1215	+
	1216	+==== (% style="color:blue" %)**Resets the downlink packet count**(%%) ====
	1217	+
	1218	+
	1219	+* (((
	1220	+(% style="color:#037691" %)** AT Command:**
	1221	+)))
	1222	+
	1223	+**AT+DISFCNTCHECK=0  **~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
	1224	+
	1225	+**AT+DISFCNTCHECK=1  **~/~/When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
	1226	+
	1227	+
	1228	+==== (% style="color:blue" %)**When the limit bytes are exceeded, upload in batches**(%%) ====
	1229	+
	1230	+
	1231	+* (((
	1232	+(% style="color:#037691" %)** AT Command:**
	1233	+)))
	1234	+
	1235	+ **AT+DISMACANS=0**  ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
	1236	+
	1237	+ **AT+DISMACANS=1**      ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
	1238	+
	1239	+
	1240	+* (((
	1241	+(% style="color:#037691" %)** Downlink Payload:**
	1242	+)))
	1243	+
	1244	+**0x21 00 01 ** ~/~/ Set  the DISMACANS=1
	1245	+
	1246	+
	1247	+==== (% style="color:blue" %)** Copy downlink to uplink **(%%) ====
	1248	+
	1249	+
	1250	+* (((
	1251	+(% style="color:#037691" %)** AT Command:**
	1252	+)))
	1253	+
	1254	+**AT+RPL=5**  ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
	1255	+
	1256	+Example：**aa xx xx xx xx**         ~/~/ aa indicates whether the configuration has changed, 00 is yes, 01 is no; xx xx xx xx are the bytes sent.
	1257	+
	1258	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173747-6.png?width=1124&height=165&rev=1.1||alt="image-20220823173747-6.png"]]
	1259	+
	1260	+For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
	1261	+
	1262	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173833-7.png?width=1124&height=149&rev=1.1||alt="image-20220823173833-7.png"]]
	1263	+
	1264	+For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
	1265	+
	1266	+
	1267	+==== (% style="color:blue" %)**Query version number and frequency band 、TDC**(%%) ====
	1268	+
	1269	+
	1270	+* (((
	1271	+(% style="color:#037691" %)**Downlink Payload:**
	1272	+
	1273	+**26 01  ** ~/~/ Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
	1274	+)))
	1275	+
	1276	+Example：
	1277	+
	1278	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
	1279	+
	1280	+==== ====
	1281	+
	1282	+==== (% style="color:blue" %)** Monitor RS485 communication of other devices**(%%) ====
	1283	+
	1284	+
	1285	+* (((
	1286	+(% style="color:#037691" %)** AT Command:**
	1287	+)))
	1288	+
	1289	+**~ ​AT+RXMODE=1,10**  ~/~/ When the RS485-LN receives more than 10 bytes from the RS485, it immediately sends the uplink of the received data.
	1290	+
	1291	+**~ ​AT+RXMODE=2,500    ** ~/~/RS485-LN uploads data as uplink from the first byte received by RS485 to the data received within 500ms after that.
	1292	+
	1293	+ **AT+RXMODE=0,0  ** ~/~/Disable this mode (default)
	1294	+
	1295	+
	1296	+* (((
	1297	+(% style="color:#037691" %)**Downlink Payload:**
	1298	+)))
	1299	+
	1300	+**A6 aa bb bb                   ** ~/~/same as AT+RXMODE=aa,bb
	1301	+
	1302	+[[image:image-20220824144240-1.png]]
	1303	+
	1304	+
	1305	+
817	817	== 3.6 Listening mode for RS485 network ==
818	818
	1308	+
	1309	+(((
819	819	This feature support since firmware v1.4
	1311	+)))
820	820
	1313	+(((
821	821	RS485-LN supports listening mode, it can listen the RS485 network packets and send them via LoRaWAN uplink. Below is the structure. The blue arrow shows the RS485 network packets to RS485-LN.
822	822
823		-[[image:image-20220602171200-8.png||height="567" width="1007"]]
	1316	+
	1317	+)))
824	824
	1319	+(% aria-label="image-20220602171200-8.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602171200-8.png||data-widget="image" height="567" width="1007"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	1320	+
	1321	+(((
825	825	To enable the listening mode, use can run the command AT+RXMODE.
	1323	+)))
826	826
	1325	+(((
	1326	+
	1327	+)))
827	827
828		-(% border="1" style="background-color:#ffffcc; width:500px" %)
829		-|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
830		-|(% style="width:161px" %)AT+RXMODE=1,10 |(% style="width:337px" %)Enable listening mode 1, if RS485-LN has received more than 10 RS485 commands from the network. RS485-LN will send these commands via LoRaWAN uplinks.
831		-|(% style="width:161px" %)AT+RXMODE=2,500|(% style="width:337px" %)Enable listening mode 2, RS485-LN will capture and send a 500ms content once from the first detect of character. Max value is 65535 ms
832		-|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
833		-|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
	1329	+(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
	1330	+|=(% style="width: 100px;" %)(((
	1331	+**Command example**
	1332	+)))|=(% style="width: 400px;" %)(((
	1333	+**Function**
	1334	+)))
	1335	+|(% style="width:100px" %)(((
	1336	+AT+RXMODE=1,10
	1337	+)))|(% style="width:400px" %)(((
	1338	+Enable listening mode 1, if RS485-LN has received more than 10 RS485 commands from the network. RS485-LN will send these commands via LoRaWAN uplinks.
	1339	+)))
	1340	+|(% style="width:100px" %)(((
	1341	+AT+RXMODE=2,500
	1342	+)))|(% style="width:400px" %)(((
	1343	+Enable listening mode 2, RS485-LN will capture and send a 500ms content once from the first detect of character. Max value is 65535 ms
	1344	+)))
	1345	+|(% style="width:100px" %)(((
	1346	+AT+RXMODE=0,0
	1347	+)))|(% style="width:400px" %)(((
	1348	+Disable listening mode. This is the default settings.
	1349	+)))
	1350	+|(% style="width:100px" %)(((
	1351	+
	1352	+)))|(% style="width:400px" %)(((
	1353	+A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
	1354	+)))
834	834
835		-**Downlink Command:**
	1356	+(((
	1357	+(% style="color:#037691" %)** Downlink Command:**
	1358	+)))
836	836
	1360	+(((
837	837	**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
	1362	+)))
838	838
	1364	+(((
	1365	+
	1366	+)))
839	839
	1368	+(((
840	840	**Example**:
	1370	+)))
841	841
	1372	+(((
842	842	The RS485-LN is set to AT+RXMODE=2,1000
	1374	+)))
843	843
	1376	+(((
844	844	There is a two Modbus commands in the RS485 network as below:
	1378	+)))
845	845
	1380	+(((
846	846	The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
	1382	+)))
847	847
	1384	+(((
848	848	And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
	1386	+)))
849	849
	1388	+(((
850	850	RS485-LN will capture both and send the uplink: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b  (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
	1390	+)))
851	851
852		-[[image:image-20220602171200-9.png]]
	1392	+(((
	1393	+(% aria-label="image-20220602171200-9.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602171200-9.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
	1394	+)))
853	853
	1396	+(((
	1397	+
	1398	+)))
854	854
855		-(% style="color:red" %)Notice: Listening mode can work with the default polling mode of RS485-LN. When RS485-LN is in to send the RS485 commands (from AT+COMMANDx), the listening mode will be interrupt for a while.
	1400	+(((
	1401	+(((
	1402	+(% style="color:red" %)**Notice: Listening mode can work with the default polling mode of RS485-LN. When RS485-LN is in to send the RS485 commands (from AT+COMMANDx), the listening mode will be interrupt for a while.**
	1403	+)))
	1404	+)))
856	856
857	857
	1407	+
858	858	== 3.7 Buttons ==
859	859
860	860
861		-(% border="1" style="background-color:#f7faff; width:500px" %)
862		-|=**Button**|=(% style="width: 1420px;" %)**Feature**
863		-|**ACT**|(% style="width:1420px" %)If RS485 joined in network, press this button for more than 1 second, RS485 will upload a packet, and the SYS LED will give a (% style="color:blue" %)**Blue blink**
864		-|**RST**|(% style="width:1420px" %)Reboot RS485
865		-|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>path:#upgrade_image]]
	1411	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1412	+|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
	1413	+|(% style="width:50px" %)**ACT**|(% style="width:361px" %)If RS485 joined in network, press this button for more than 1 second, RS485 will upload a packet, and the SYS LED will give a (% style="color:blue" %)**Blue blink**
	1414	+|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
	1415	+|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
866	866
867		-
868	868	== 3.8 LEDs ==
869	869
870		-(% border="1" style="background-color:#f7faff; width:500px" %)
871		-|=**LEDs**|=**Feature**
	1419	+
	1420	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1421	+|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
872	872	|**PWR**|Always on if there is power
873		-|**SYS**|After device is powered on, the SYS will (% style="color:green" %)**fast blink in GREEN** (%%)for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be (% style="color:green" %)**on GREEN for 5 seconds**(%%)**. **SYS will (% style="color:green" %)**blink Blue**(%%) on every upload and (% style="color:green" %)**blink Green**(%%) once receive a downlink message.
	1423	+|**SYS**|After device is powered on, the SYS will (% style="color:green" %)**fast blink in GREEN**(%%) for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be (% style="color:green" %)**on GREEN for 5 seconds** (%%)**. **SYS will (% style="color:green" %)**blink Blue**(%%) on every upload and (% style="color:green" %)**blink Green**(%%) once receive a downlink message.
874	874
875		-
876	876	= 4. Case Study =
877	877
	1427	+
878	878	User can check this URL for some case studies: [[APP RS485 COMMUNICATE WITH SENSORS>>doc:Main.Application Note \: Communicate with Different Sensors ----- RS485-LN RS485-BL.WebHome]]
879	879
880	880
	1431	+
881	881	= 5. Use AT Command =
882	882
	1434	+
883	883	== 5.1 Access AT Command ==
884	884
885		-RS485-BL supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-BL to use AT command, as below.
886	886
887		-[[image:1654162355560-817.png]]
	1438	+(((
	1439	+RS485-LN supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-LN to use AT command, as below.
	1440	+)))
888	888
	1442	+(% aria-label="1654162355560-817.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162355560-817.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
889	889
890		-In PC, User needs to set (% style="color:blue" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference:
891	891
892		-[[image:1654162368066-342.png]]
	1445	+(((
	1446	+In PC, User needs to set (% style="color:blue" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console of RS485-LN. The default password is 123456. Below is the output for reference:
	1447	+)))
893	893
	1449	+(% aria-label="1654162368066-342.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162368066-342.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
894	894
895		-More detail AT Command manual can be found at [[AT Command Manual>>||anchor="3.5ConfigureRS485-BLviaATorDownlink"]]
896	896
	1452	+(((
	1453	+More detail AT Command manual can be found at [[AT Command Manual>>https://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
	1454	+)))
897	897
	1456	+
	1457	+
898	898	== 5.2 Common AT Command Sequence ==
899	899
	1460	+
900	900	=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
901	901
	1463	+
902	902	If device has not joined network yet:
903	903
904		-(% class="box infomessage" %)
905		-(((
906		-**AT+FDR**
907		-)))
	1466	+* (% style="color:#037691" %)**AT+FDR**
	1467	+* (% style="color:#037691" %)**AT+NJM=0**
	1468	+* (% style="color:#037691" %)**ATZ**
908	908
909		-(% class="box infomessage" %)
910	910	(((
911		-**AT+NJM=0**
912		-)))
	1471	+
913	913
914		-(% class="box infomessage" %)
915		-(((
916		-**ATZ**
917		-)))
918		-
919		-
920	920	If device already joined network:
921	921
922		-(% class="box infomessage" %)
923		-(((
924		-**AT+NJM=0**
925		-)))
	1475	+* (% style="color:#037691" %)**AT+NJM=0**
	1476	+* (% style="color:#037691" %)**ATZ**
926	926
927		-(% class="box infomessage" %)
928		-(((
929		-**ATZ**
	1478	+
930	930	)))
931	931
932	932
	1482	+
933	933	=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
934	934
935	935
936		-(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
	1486	+(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
937	937
938		-(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
	1488	+(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
939	939
940		-(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
	1490	+(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
941	941
942		-(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)Set Data Rate
	1492	+(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
943	943
944		-(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
	1494	+(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
945	945
946		-(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
	1496	+(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
947	947
948		-(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
	1498	+(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
949	949
950		-(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
	1500	+(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
951	951
952		-(% style="background-color:#dcdcdc" %)**AT+DADDR=26** (%%) 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
	1502	+(% style="background-color:#dcdcdc" %)**AT+DADDR=26** (%%) 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
953	953
954		-(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
	1504	+(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
955	955
956	956
957	957	(% style="color:red" %)**Note:**
958	958
	1509	+(((
959	959	(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
960	960	2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
961	961	3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
962	962	4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
963	963
964		-[[image:1654162478620-421.png]]
	1515	+
	1516	+)))
965	965
	1518	+(% aria-label="1654162478620-421.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162478620-421.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
966	966
	1520	+
	1521	+
967	967	= 6. FAQ =
968	968
	1524	+
969	969	== 6.1 How to upgrade the image? ==
970	970
	1527	+
	1528	+(((
971	971	The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
	1530	+)))
972	972
973		-* Support new features
974		-* For bug fix
975		-* Change LoRaWAN bands.
	1532	+* (((
	1533	+Support new features
	1534	+)))
	1535	+* (((
	1536	+For bug fix
	1537	+)))
	1538	+* (((
	1539	+Change LoRaWAN bands.
	1540	+)))
976	976
	1542	+(((
977	977	Below shows the hardware connection for how to upload an image to RS485-LN:
	1544	+)))
978	978
979		-[[image:1654162535040-878.png]]
	1546	+(% aria-label="1654162535040-878.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162535040-878.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]]
980	980
981		-**Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
	1548	+(% title="Click and drag to resize" %)​
982	982
983		-**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
	1550	+(((
	1551	+(% style="color:blue" %)**Step1**(%%)**:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
	1552	+)))
984	984
985		-**Step3: **Open flashloader; choose the correct COM port to update.
	1554	+(((
	1555	+(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACP33wo_ZQLsxW2MJ70oUoba/RS485-LN/Firmware?dl=0&subfolder_nav_tracking=1]].
	1556	+)))
986	986
	1558	+(((
	1559	+(% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update.
	1560	+)))
	1561	+
	1562	+(((
	1563	+(((
	1564	+(((
987	987	(% style="color:blue" %) Hold down the PRO button and then momentarily press the RST reset button and the SYS led will change from OFF to ON, While SYS LED is RED ON, it means the RS485-LN is ready to be program.
	1566	+)))
	1567	+)))
	1568	+)))
988	988
989	989
990		-[[image:image-20220602175818-12.png]]
	1571	+(% aria-label="image-20220602175818-12.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175818-12.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
991	991
992	992
993		-[[image:image-20220602175848-13.png]]
	1574	+(% aria-label="image-20220602175848-13.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175848-13.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
994	994
995	995
996		-[[image:image-20220602175912-14.png]]
	1577	+(% aria-label="image-20220602175912-14.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175912-14.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
997	997
998	998
999		-**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
	1580	+(% style="color:red" %)**Notice**: **In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:**
1000	1000
1001		-[[image:image-20220602175638-10.png]]
	1582	+(% aria-label="image-20220602175638-10.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175638-10.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1002	1002
1003	1003
	1585	+
1004	1004	== 6.2 How to change the LoRa Frequency Bands/Region? ==
1005	1005
	1588	+
1006	1006	User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1007	1007
1008	1008
1009		-== 6.3 How many RS485-Slave can RS485-BL connects? ==
1010	1010
1011		-The RS485-BL can support max 32 RS485 devices. Each uplink command of RS485-BL can support max 16 different RS485 command. So RS485-BL can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
	1593	+== 6.3 How many RS485-Slave can RS485-LN connects? ==
1012	1012
1013	1013
	1596	+The RS485-LN can support max 32 RS485 devices. Each uplink command of RS485-LN can support max 16 different RS485 command. So RS485-LN can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
	1597	+
	1598	+
	1599	+
1014	1014	== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1015	1015
	1602	+
1016	1016	When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1017	1017
1018	1018	Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1019	1019
1020	1020
	1608	+
	1609	+== 6.5 Can i use point to point communication for RS485-LN? ==
	1610	+
	1611	+
	1612	+Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
	1613	+
	1614	+
	1615	+
	1616	+== 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
	1617	+
	1618	+
	1619	+[[Use RS485-BL or RS485-LN to connect to RS232 devices. - DRAGINO>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/RS485%20to%20RS232/]]
	1620	+
	1621	+
	1622	+
1021	1021	= 7. Trouble Shooting =
1022	1022
1023		-== 7.1 Downlink doesn’t work, how to solve it? ==
1024	1024
	1626	+== 7.1 Downlink doesn't work, how to solve it? ==
	1627	+
	1628	+
1025	1025	Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1026	1026
1027	1027
1028		-== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1029	1029
	1633	+== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
	1634	+
	1635	+
1030	1030	It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1031	1031
1032	1032
	1639	+
1033	1033	= 8. Order Info =
1034	1034
	1642	+
1035	1035	(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1036	1036
1037	1037	(% style="color:blue" %)**XXX:**
1038	1038
1039		-* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
1040		-* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
1041		-* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
1042		-* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
1043		-* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
1044		-* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
1045		-* (% style="color:blue" %)**US915**(%%): frequency bands US915
1046		-* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
1047		-* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1048		-* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
	1647	+* (% style="color:red" %)**EU433**(%%):  frequency bands EU433
	1648	+* (% style="color:red" %)**EU868**(%%):  frequency bands EU868
	1649	+* (% style="color:red" %)**KR920**(%%):  frequency bands KR920
	1650	+* (% style="color:red" %)**CN470**(%%):  frequency bands CN470
	1651	+* (% style="color:red" %)**AS923**(%%):  frequency bands AS923
	1652	+* (% style="color:red" %)**AU915**(%%):  frequency bands AU915
	1653	+* (% style="color:red" %)**US915**(%%):  frequency bands US915
	1654	+* (% style="color:red" %)**IN865**(%%):  frequency bands IN865
	1655	+* (% style="color:red" %)**RU864**(%%):  frequency bands RU864
	1656	+* (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1049	1049
1050		-
1051	1051	= 9.Packing Info =
1052	1052
1053	1053
...	...	@@ -1064,33 +1064,68 @@
1064	1064	* Package Size / pcs : 14.5 x 8 x 5 cm
1065	1065	* Weight / pcs : 170g
1066	1066
1067		-
1068	1068	= 10. FCC Caution for RS485LN-US915 =
1069	1069
	1676	+
	1677	+(((
1070	1070	Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
	1679	+)))
1071	1071
	1681	+(((
1072	1072	This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
	1683	+)))
1073	1073
	1685	+(((
	1686	+
	1687	+)))
1074	1074
1075		-**IMPORTANT NOTE:**
	1689	+(((
	1690	+(% style="color:red" %)**IMPORTANT NOTE:**
	1691	+)))
1076	1076
1077		-**Note: **This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
	1693	+(((
	1694	+(% style="color:red" %)**Note: **(%%)This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
	1695	+)))
1078	1078
	1697	+(((
1079	1079	—Reorient or relocate the receiving antenna.
	1699	+)))
1080	1080
	1701	+(((
1081	1081	—Increase the separation between the equipment and receiver.
	1703	+)))
1082	1082
	1705	+(((
1083	1083	—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
	1707	+)))
1084	1084
	1709	+(((
1085	1085	—Consult the dealer or an experienced radio/TV technician for help.
	1711	+)))
1086	1086
	1713	+(((
	1714	+
	1715	+)))
1087	1087
1088		-**FCC Radiation Exposure Statement:**
	1717	+(((
	1718	+(% style="color:red" %)**FCC Radiation Exposure Statement:**
	1719	+)))
1089	1089
	1721	+(((
1090	1090	This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.
	1723	+)))
1091	1091
1092	1092
	1726	+
1093	1093	= 11. Support =
1094	1094
1095		-* Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
1096		-* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]].
	1729	+
	1730	+* (((
	1731	+Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
	1732	+)))
	1733	+* (((
	1734	+Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]].
	1735	+
	1736	+
	1737	+
	1738	+)))