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Details

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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

Author

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1		-XWiki.Xiaoling
	1	+XWiki.Bei

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" %)
	21	+(((
	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
23	23	== 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
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24	24
25	25	(((
26	26	(((
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	38	+
	39	+
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
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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.
36	36	)))
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37	37
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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.
	59	+)))
40	40
	61	+(((
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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	64	+
42	42	)))
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44	44
45		-[[image:1653267211009-519.png||height="419" width="724"]]
	69	+(% 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
	72	+
48	48	== 1.2 Specifications ==
49	49
50	50
51		-**Hardware System:**
	76	+(% 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:**
	84	+(% style="color:#037691" %)**Interface for Model:**
60	60
61	61	* RS485
62	62	* Power Input 7~~ 24V DC.
63	63
64		-**LoRa Spec:**
	89	+(% style="color:#037691" %)**LoRa Spec:**
65	65
66	66	* Frequency Range:
67	67	** Band 1 (HF): 862 ~~ 1020 Mhz
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84	84
85	85	== 1.3 Features ==
86	86
	112	+
87	87	* LoRaWAN Class A & Class C protocol (default Class C)
88		-* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
	114	+* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864/MA869
89	89	* AT Commands to change parameters
90	90	* Remote configure parameters via LoRa Downlink
91	91	* Firmware upgradable via program port
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95	95
96	96	== 1.4 Applications ==
97	97
	124	+
98	98	* Smart Buildings & Home Automation
99	99	* Logistics and Supply Chain Management
100	100	* Smart Metering
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104	104
105	105	== 1.5 Firmware Change log ==
106	106
	134	+
107	107	[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
108	108
109	109
	138	+
110	110	== 1.6 Hardware Change log ==
111	111
	141	+
112	112	(((
113	113	(((
	144	+(((
114	114	v1.2: Add External Interrupt Pin.
	146	+)))
115	115
	148	+(((
116	116	v1.0: Release
	150	+)))
117	117
	152	+
118	118
119	119	)))
120	120	)))
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121	121
122	122	= 2. Power ON Device =
123	123
	159	+
124	124	(((
125	125	The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
126	126
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131	131	Once there is power, the RS485-LN will be on.
132	132	)))
133	133
134		-[[image:1653268091319-405.png]]
	170	+(% 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" %)​
135	135
	172	+
136	136
137	137	)))
138	138
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140	140
141	141	== 3.1 How it works? ==
142	142
	180	+
143	143	(((
	182	+(((
144	144	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.
	184	+)))
145	145
	186	+
146	146
147	147	)))
148	148
149	149	== 3.2 Example to join LoRaWAN network ==
150	150
	192	+
151	151	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.
152	152
153		-[[image:1653268155545-638.png||height="334" width="724"]]
	195	+(% 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" %)​
154	154
155	155
156	156	(((
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162	162	485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
163	163	)))
164	164
165		-[[image:1653268227651-549.png||height="592" width="720"]]
	207	+(% 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" %)​
166	166
	209	+
167	167	(((
168	168	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:
	212	+
	213	+
169	169	)))
170	170
171	171	(((
172		-**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
	217	+(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN.
173	173	)))
174	174
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177	177	)))
178	178	)))
179	179
180		-[[image:1652953462722-299.png]]
	225	+(% 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" %)​
181	181
	227	+
182	182	(((
183	183	(((
184	184	User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
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185	185	)))
186	186
187	187	(((
188		-Add APP EUI in the application.
	234	+**Add APP EUI in the application.**
189	189	)))
190	190	)))
191	191
192		-[[image:image-20220519174512-1.png]]
	238	+(% 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" %)​
193	193
194		-[[image:image-20220519174512-2.png||height="323" width="720"]]
	240	+(% 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" %)​
195	195
196		-[[image:image-20220519174512-3.png||height="556" width="724"]]
	242	+(% 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" %)​
197	197
198		-[[image:image-20220519174512-4.png]]
	244	+(% 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"]](% title="Click and drag to resize" %)​
199	199
200	200	You can also choose to create the device manually.
201	201
202		-[[image:1652953542269-423.png||height="710" width="723"]]
	248	+(% 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" %)​
203	203
204		-Add APP KEY and DEV EUI
205	205
206		-[[image:1652953553383-907.png||height="514" width="724"]]
207	207
	252	+**Add APP KEY and DEV EUI**
208	208
	254	+(% 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" %)​
	255	+
	256	+
209	209	(((
210		-**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.
	258	+(% 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.
211	211	)))
212	212
213		-[[image:1652953568895-172.png||height="232" width="724"]]
	261	+(% 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" %)​
214	214
215	215
	264	+
216	216	== 3.3 Configure Commands to read data ==
217	217
	267	+
218	218	(((
219	219	(((
220		-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.
	270	+(((
	271	+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.
221	221	)))
	273	+)))
222	222
223	223	(((
224		-(% 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
	276	+(((
	277	+(% 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**
	278	+)))
225	225
	280	+
226	226
227	227	)))
228	228	)))
229	229
230		-=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
	285	+=== 3.3.1 Configure UART settings for RS485 or TTL communication ===
231	231
	287	+
232	232	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:
233	233
234		-(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
235		-|(% style="width:128px" %)(((
	290	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	291	+|=(% style="width: 110px;" %)(((
236	236	**AT Commands**
237		-)))|(% style="width:305px" %)(((
	293	+)))|=(% style="width: 190px;" %)(((
238	238	**Description**
239		-)))|(% style="width:346px" %)(((
	295	+)))|=(% style="width: 190px;" %)(((
240	240	**Example**
241	241	)))
242		-|(% style="width:128px" %)(((
	298	+|(% style="width:110px" %)(((
243	243	AT+BAUDR
244		-)))|(% style="width:305px" %)(((
	300	+)))|(% style="width:190px" %)(((
245	245	Set the baud rate (for RS485 connection). Default Value is: 9600.
246		-)))|(% style="width:346px" %)(((
	302	+)))|(% style="width:190px" %)(((
247	247	(((
248	248	AT+BAUDR=9600
249	249	)))
...	...	@@ -252,11 +252,11 @@
252	252	Options: (1200,2400,4800,14400,19200,115200)
253	253	)))
254	254	)))
255		-|(% style="width:128px" %)(((
	311	+|(% style="width:110px" %)(((
256	256	AT+PARITY
257		-)))|(% style="width:305px" %)(((
	313	+)))|(% style="width:190px" %)(((
258	258	Set UART parity (for RS485 connection)
259		-)))|(% style="width:346px" %)(((
	315	+)))|(% style="width:190px" %)(((
260	260	(((
261	261	AT+PARITY=0
262	262	)))
...	...	@@ -265,9 +265,9 @@
265	265	Option: 0: no parity, 1: odd parity, 2: even parity
266	266	)))
267	267	)))
268		-|(% style="width:128px" %)(((
	324	+|(% style="width:110px" %)(((
269	269	AT+STOPBIT
270		-)))|(% style="width:305px" %)(((
	326	+)))|(% style="width:190px" %)(((
271	271	(((
272	272	Set serial stopbit (for RS485 connection)
273	273	)))
...	...	@@ -275,7 +275,7 @@
275	275	(((
276	276
277	277	)))
278		-)))|(% style="width:346px" %)(((
	334	+)))|(% style="width:190px" %)(((
279	279	(((
280	280	AT+STOPBIT=0 for 1bit
281	281	)))
...	...	@@ -289,28 +289,36 @@
289	289	)))
290	290	)))
291	291
292		-
293	293	=== 3.3.2 Configure sensors ===
294	294
	350	+
295	295	(((
296	296	(((
297		-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.
	353	+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.
	354	+
	355	+
298	298	)))
299	299	)))
300	300
301		-(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
302		-|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
303		-|AT+CFGDEV|(% style="width:418px" %)(((
	359	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	360	+|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
	361	+|AT+CFGDEV|(% style="width:110px" %)(((
	362	+(((
304	304	This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
	364	+)))
305	305
	366	+(((
306	306	AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
	368	+)))
307	307
	370	+(((
308	308	mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
309		-)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
	372	+)))
	373	+)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
310	310
311		-
312	312	=== 3.3.3 Configure read commands for each sampling ===
313	313
	377	+
314	314	(((
315	315	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.
316	316
...	...	@@ -321,7 +321,7 @@
321	321	During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
322	322
323	323
324		-**Each RS485 commands include two parts:**
	388	+(% style="color:#037691" %)**Each RS485 commands include two parts:**
325	325
326	326	~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.
327	327
...	...	@@ -332,15 +332,14 @@
332	332
333	333	After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
334	334
335		-
336	336	Below are examples for the how above AT Commands works.
337	337
338	338
339		-**AT+COMMANDx : **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is:
	402	+(% 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:
340	340
341	341	(% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
342	342	|(% style="width:496px" %)(((
343		-**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	406	+(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
344	344
345	345	**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
346	346
...	...	@@ -352,10 +352,10 @@
352	352	In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
353	353
354	354
355		-**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
	418	+(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
356	356
357		-(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
358		-|(% style="width:722px" %)(((
	420	+(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
	421	+|(% style="width:510px" %)(((
359	359	**AT+DATACUTx=a,b,c**
360	360
361	361	* **a: length for the return of AT+COMMAND**
...	...	@@ -365,25 +365,29 @@
365	365
366	366	**Examples:**
367	367
368		-* Grab bytes:
	431	+* (% style="color:#037691" %)**Grab bytes**
369	369
370		-[[image:image-20220602153621-1.png]]
	433	+(% 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" %)​
371	371
372	372
373		-* Grab a section.
374	374
375		-[[image:image-20220602153621-2.png]]
	437	+* (% style="color:#037691" %)**Grab a section**
376	376
	439	+(% 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" %)​
377	377
378		-* Grab different sections.
379	379
380		-[[image:image-20220602153621-3.png]]
381	381
	443	+* (% style="color:#037691" %)**Grab different sections**
	444	+
	445	+(% 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" %)​
	446	+
	447	+
382	382
383	383	)))
384	384
385	385	=== 3.3.4 Compose the uplink payload ===
386	386
	453	+
387	387	(((
388	388	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.**
389	389
...	...	@@ -412,7 +412,7 @@
412	412	Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
413	413	)))
414	414
415		-[[image:1653269759169-150.png||height="513" width="716"]]
	482	+(% 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" %)​
416	416
417	417
418	418	(% style="color:#037691" %)**Examples: AT+DATAUP=1**
...	...	@@ -430,7 +430,7 @@
430	430	1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
431	431	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
432	432
433		-[[image:image-20220602155039-4.png]]
	500	+(% 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" %)​
434	434
435	435
436	436	So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
...	...	@@ -442,7 +442,7 @@
442	442	DATA3=the rest of Valid value of RETURN10= **30**
443	443
444	444
445		-(% 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:
	512	+(% 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:**
446	446
447	447	~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
448	448
...	...	@@ -452,14 +452,31 @@
452	452
453	453	~* For all other bands: max 51 bytes for each uplink.
454	454
	522	+(% style="color:red" %)*** When AT+DATAUP=1, the maximum number of segments is 15, and the maximum total number of bytes is 1500;**
455	455
	524	+(% 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)**
	525	+
	526	+
	527	+(% style="color:#4f81bd" %)**If the data is empty, return to the display（Since v1.4.0）**
	528	+
	529	+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.
	530	+
	531	+[[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"]]
	532	+
	533	+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.
	534	+
	535	+[[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"]]
	536	+
	537	+
456	456	Below are the uplink payloads:
457	457
458		-[[image:1654157178836-407.png]]
	540	+(% 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" %)​
459	459
460	460
	543	+
461	461	=== 3.3.5 Uplink on demand ===
462	462
	546	+
463	463	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.
464	464
465	465	Downlink control command:
...	...	@@ -472,572 +472,1070 @@
472	472
473	473	=== 3.3.6 Uplink on Interrupt ===
474	474
	559	+
475	475	RS485-LN support external Interrupt uplink since hardware v1.2 release.
476	476
477		-[[image:1654157342174-798.png]]
	562	+(% 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" %)​
478	478
479	479	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.
480	480
481	481
	567	+
482	482	== 3.4 Uplink Payload ==
483	483
484		-(% border="1" style="background-color:#4bacc6; color:white; width:734px" %)
485		-|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands**
486		-|Value|(% style="width:120px" %)(((
487		-Battery(mV)
488	488
489		-&
	571	+(% 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" %)​
490	490
491		-Interrupt _Flag
492		-)))|(% style="width:116px" %)(((
493		-PAYLOAD_VER
	573	+Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
494	494
495		-
496		-)))|(% 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.
497	497
498		-Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
499	499
	577	+== 3.5 Configure RS485-LN via AT or Downlink ==
500	500
501		-== 3.5 Configure RS485-BL via AT or Downlink ==
502	502
	580	+(((
503	503	User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
	582	+)))
504	504
	584	+(((
505	505	There are two kinds of Commands:
	586	+)))
506	506
507		-* (% 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]]
	588	+* (((
	589	+(% 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]]
	590	+)))
508	508
509		-* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
	592	+* (((
	593	+(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
	594	+)))
510	510
	596	+(((
	597	+
	598	+)))
511	511
	600	+
	601	+
512	512	=== 3.5.1 Common Commands ===
513	513
	604	+
514	514	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]]
515	515
516	516
517		-=== 3.5.2 Sensor related commands ===
518	518
	609	+=== 3.5.2 Downlink Response(Since firmware v1.4) ===
	610	+
	611	+
519	519	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.
520	520
521		-[[image:image-20220602163333-5.png||height="263" width="1160"]]
	614	+(% 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" %)​
522	522
523	523	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)
524	524
525	525
	619	+
526	526	=== 3.5.3 Sensor related commands ===
527	527
528	528
529	529
530		-==== **RS485 Debug Command** ====
531	531
532		-This command is used to configure the RS485 devices; they won’t be used during sampling.
	625	+==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
533	533
534		-* **AT Command**
535	535
536		-(% class="box infomessage" %)
537	537	(((
538		-**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	629	+This command is used to configure the RS485 devices; they won't be used during sampling.
539	539	)))
540	540
541		-m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
	632	+* (((
	633	+(% style="color:#037691" %)**AT Command**
542	542
543		-* **Downlink Payload**
	635	+(((
	636	+**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
	637	+)))
	638	+)))
544	544
	640	+(((
	641	+
	642	+)))
	643	+
	644	+* (((
	645	+(% style="color:#037691" %)**Downlink Payload**
	646	+)))
	647	+
	648	+(((
545	545	Format: A8 MM NN XX XX XX XX YY
	650	+)))
546	546
	652	+(((
547	547	Where:
	654	+)))
548	548
549		-* MM: 1: add CRC-16/MODBUS ; 0: no CRC
550		-* NN: The length of RS485 command
551		-* XX XX XX XX: RS485 command total NN bytes
552		-* YY: How many bytes will be uplink from the return of this RS485 command,
553		-** if YY=0, RS485-LN will execute the downlink command without uplink;
554		-** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
555		-** if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
	656	+* (((
	657	+MM: 1: add CRC-16/MODBUS ; 0: no CRC
	658	+)))
	659	+* (((
	660	+NN: The length of RS485 command
	661	+)))
	662	+* (((
	663	+XX XX XX XX: RS485 command total NN bytes
	664	+)))
	665	+* (((
	666	+(((
	667	+YY: How many bytes will be uplink from the return of this RS485 command,
	668	+)))
556	556
557		-**Example 1** ~-~-> Configure without ask for uplink (YY=0)
	670	+* (((
	671	+if YY=0, RS485-LN will execute the downlink command without uplink;
	672	+)))
	673	+* (((
	674	+if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
	675	+)))
	676	+* (((
	677	+if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
	678	+)))
	679	+)))
558	558
	681	+(((
	682	+
	683	+
	684	+(% style="color:blue" %)**Example 1:**  (%%) ~-~-> Configure without ask for uplink (YY=0)
	685	+)))
	686	+
	687	+(((
559	559	To connect a Modbus Alarm with below commands.
	689	+)))
560	560
561		-* 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.
	691	+* (((
	692	+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.
	693	+)))
562	562
563		-* 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.
	695	+* (((
	696	+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.
	697	+)))
564	564
	699	+(((
	700	+
	701	+
565	565	So if user want to use downlink command to control to RS485 Alarm, he can use:
	703	+)))
566	566
	705	+(((
567	567	(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
	707	+)))
568	568
	709	+(((
569	569	(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
	711	+)))
570	570
	713	+(((
571	571	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.
	715	+)))
572	572
	717	+(((
	718	+
	719	+)))
573	573
574		-**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
	721	+(((
	722	+(% style="color:blue" %)**Example 2:**  (%%) ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
	723	+)))
575	575
	725	+(((
576	576	User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
	727	+)))
577	577
	729	+(((
	730	+
	731	+)))
578	578
579		-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:
	733	+(((
	734	+(((
	735	+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**
	736	+)))
580	580
581		- **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
	738	+
	739	+)))
582	582
583		- [[image:1654159460680-153.png]]
	741	+(((
	742	+ (% 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" %)​
	743	+)))
584	584
585	585
586	586
587		-==== **Set Payload version** ====
588	588
589		-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.
	748	+==== (% style="color:blue" %)**Set Payload version**(%%) ====
590	590
591		-* **AT Command:**
592	592
593		-(% class="box infomessage" %)
594	594	(((
595		-**AT+PAYVER: Set PAYVER field = 1**
	752	+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.
596	596	)))
597	597
598		-* **Downlink Payload:**
	755	+* (((
	756	+(% style="color:#037691" %)**AT Command:**
599	599
600		-**0xAE 01**  ~-~-> Set PAYVER field =  0x01
	758	+**AT+PAYVER:    **Set PAYVER field = 1
601	601
602		-**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
	760	+
	761	+)))
	762	+* (((
	763	+(% style="color:#037691" %)**Downlink Payload:**
	764	+)))
603	603
	766	+(((
	767	+**0xAE 01**  ~-~->  Set PAYVER field =  0x01
	768	+)))
604	604
	770	+(((
	771	+**0xAE 0F**   ~-~->  Set PAYVER field =  0x0F
	772	+)))
605	605
606		-==== **Set RS485 Sampling Commands** ====
607	607
608		-AT+COMMANDx or AT+DATACUTx
	775	+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"]]
609	609
610		-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"]].
611	611
	778	+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.
612	612
613		-* **AT Command:**
	780	+[[image:image-20220824145428-3.png||height="308" width="1200"]]
614	614
615		-(% class="box infomessage" %)
	782	+
	783	+==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
	784	+
	785	+
616	616	(((
617		-**AT+COMMANDx: Configure RS485 read command to sensor.**
	787	+AT+COMMANDx or AT+DATACUTx
618	618	)))
619	619
620		-(% class="box infomessage" %)
621	621	(((
622		-**AT+DATACUTx: Configure how to handle return from RS485 devices.**
	791	+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"]].
623	623	)))
624	624
	794	+(((
	795	+
	796	+)))
625	625
626		-* **Downlink Payload:**
	798	+* (((
	799	+(% style="color:#037691" %)**AT Command:**
	800	+)))
627	627
	802	+**AT+COMMANDx:    **Configure RS485 read command to sensor.
	803	+
	804	+**AT+DATACUTx:        **Configure how to handle return from RS485 devices.
	805	+
	806	+
	807	+* (((
	808	+(% style="color:#037691" %)**Downlink Payload:**
	809	+)))
	810	+
	811	+(((
628	628	**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
629	629
	814	+
	815	+)))
	816	+
	817	+(((
630	630	(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
631	631
	820	+
	821	+)))
	822	+
	823	+(((
632	632	Format: AF MM NN LL XX XX XX XX YY
	825	+)))
633	633
	827	+(((
634	634	Where:
	829	+)))
635	635
636		-* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
637		-* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
638		-* LL:  The length of AT+COMMAND or AT+DATACUT command
639		-* XX XX XX XX: AT+COMMAND or AT+DATACUT command
640		-* 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.
	831	+* (((
	832	+MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
	833	+)))
	834	+* (((
	835	+NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
	836	+)))
	837	+* (((
	838	+LL:  The length of AT+COMMAND or AT+DATACUT command
	839	+)))
	840	+* (((
	841	+XX XX XX XX: AT+COMMAND or AT+DATACUT command
	842	+)))
	843	+* (((
	844	+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.
	845	+)))
641	641
	847	+(((
	848	+
	849	+
642	642	**Example:**
	851	+)))
643	643
	853	+(((
644	644	(% 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
	855	+)))
645	645
	857	+(((
646	646	(% 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**
	859	+)))
647	647
	861	+(((
648	648	(% 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**
	863	+)))
649	649
650	650
651	651
652		-==== **Fast command to handle MODBUS device** ====
653	653
654		-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]].
	868	+==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
655	655
	870	+
	871	+(((
	872	+**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]].
	873	+)))
	874	+
	875	+(((
656	656	This command is valid since v1.3 firmware version
	877	+)))
657	657
	879	+(((
658	658	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.
	881	+)))
659	659
	883	+(((
	884	+
	885	+)))
660	660
	887	+(((
661	661	**Example:**
	889	+)))
662	662
663		-* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
664		-* 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.
665		-* 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.
	891	+* (((
	892	+AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2  are not configure (0,0,0). So RS485-LN.
	893	+)))
	894	+* (((
	895	+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.
	896	+)))
	897	+* (((
	898	+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.
666	666
667		-[[image:image-20220602165351-6.png]]
	900	+
	901	+)))
668	668
669		-[[image:image-20220602165351-7.png]]
	903	+(% 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" %)​
670	670
	905	+(% 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" %)​
671	671
672	672
673		-==== **RS485 command timeout** ====
674	674
	909	+
	910	+==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
	911	+
	912	+
	913	+(((
675	675	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.
	915	+)))
676	676
	917	+(((
677	677	Default value: 0, range:  0 ~~ 65 seconds
	919	+)))
678	678
679		-* **AT Command:**
	921	+* (((
	922	+(% style="color:#037691" %)** AT Command:**
680	680
681		-(% class="box infomessage" %)
682		-(((
683	683	**AT+CMDDLaa=hex(bb cc)*1000**
684	684	)))
685	685
	927	+(((
	928	+
	929	+
686	686	**Example:**
	931	+)))
687	687
	933	+(((
688	688	**AT+CMDDL1=1000** to send the open time to 1000ms
	935	+)))
689	689
	937	+(((
	938	+
	939	+)))
690	690
691		-* **Downlink Payload:**
	941	+* (((
	942	+(% style="color:#037691" %)** Downlink Payload:**
	943	+)))
692	692
	945	+(((
693	693	**0x AA aa bb cc**
	947	+)))
694	694
	949	+(((
695	695	Same as: AT+CMDDLaa=hex(bb cc)*1000
	951	+)))
696	696
697		- **Example:**
	953	+(((
	954	+**Example:**
	955	+)))
698	698
699		- 0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
	957	+(((
	958	+**0xAA 01 00 01**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
	959	+)))
700	700
701	701
	962	+==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
702	702
703		-==== **Uplink payload mode** ====
704	704
	965	+(((
705	705	Define to use one uplink or multiple uplinks for the sampling.
	967	+)))
706	706
	969	+(((
707	707	The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
708	708
709		-* **AT Command:**
	972	+
	973	+)))
710	710
711		-(% class="box infomessage" %)
712		-(((
	975	+* (((
	976	+(% style="color:#037691" %)** AT Command:**
	977	+
713	713	**AT+DATAUP=0**
714		-)))
715	715
716		-(% class="box infomessage" %)
717		-(((
718	718	**AT+DATAUP=1**
	981	+
	982	+
719	719	)))
720	720
	985	+**0xAD 01 00 00 14**  **~-~->** Same as AT+DATAUP=1，20000 ~/~/(00 00 14 is 20 seconds)
721	721
722		-* **Downlink Payload:**
	987	+Each uplink is sent to the server at 20-second intervals when segmented.
723	723
724		-**0xAD 00**  **~-~->** Same as AT+DATAUP=0
725	725
726		-**0xAD 01**  **~-~->** Same as AT+DATAUP=1
	990	+* (((
	991	+(% style="color:#037691" %)** Downlink Payload:**
	992	+)))
727	727
	994	+**0xAD 00**  **~-~->** Same as AT+DATAUP=0
728	728
	996	+**0xAD 01**  **~-~->** Same as AT+DATAUP=1  ~/~/Each uplink is sent to the server one after the other as it is segmented.
729	729
730		-==== **Manually trigger an Uplink** ====
731	731
	999	+* (((
	1000	+(% style="color:#037691" %)** AT Command:**
	1001	+)))
	1002	+
	1003	+**AT+DATAUP=1,Timeout**
	1004	+
	1005	+
	1006	+* (((
	1007	+(% style="color:#037691" %)** Downlink Payload:**
	1008	+)))
	1009	+
	1010	+**0xAD 01 00 00 14**  **~-~->** Same as AT+DATAUP=1，20000 ~/~/(00 00 14 is 20 seconds)
	1011	+
	1012	+Each uplink is sent to the server at 20-second intervals when segmented.
	1013	+
	1014	+==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
	1015	+
	1016	+
	1017	+(((
732	732	Ask device to send an uplink immediately.
	1019	+)))
733	733
734		-* **AT Command:**
	1021	+* (((
	1022	+(% style="color:#037691" %)** AT Command:**
	1023	+)))
735	735
	1025	+(((
736	736	No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
	1027	+)))
737	737
	1029	+(((
	1030	+
	1031	+)))
738	738
739		-* **Downlink Payload:**
	1033	+* (((
	1034	+(% style="color:#037691" %)** Downlink Payload:**
	1035	+)))
740	740
	1037	+(((
741	741	**0x08 FF**, RS485-LN will immediately send an uplink.
	1039	+)))
742	742
743	743
744	744
745		-==== **Clear RS485 Command** ====
746	746
	1044	+==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
	1045	+
	1046	+
	1047	+(((
747	747	The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
748	748
749		-* **AT Command:**
	1050	+
	1051	+)))
750	750
	1053	+* (((
	1054	+(% style="color:#037691" %)** AT Command:**
	1055	+)))
	1056	+
	1057	+(((
751	751	**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
	1059	+)))
752	752
	1061	+(((
753	753	Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	1063	+)))
754	754
	1065	+(((
755	755	Example screen shot after clear all RS485 commands.
	1067	+)))
756	756
	1069	+(((
	1070	+
	1071	+)))
757	757
	1073	+(((
758	758	The uplink screen shot is:
	1075	+)))
759	759
760		-[[image:1654160691922-496.png]]
	1077	+(% 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" %)​
761	761
762	762
763		-* **Downlink Payload:**
	1080	+* (((
	1081	+(% style="color:#037691" %)** Downlink Payload:**
	1082	+)))
764	764
	1084	+(((
765	765	**0x09 aa bb** same as AT+CMDEAR=aa,bb
	1086	+)))
766	766
767	767
768	768
769		-==== **Set Serial Communication Parameters** ====
770	770
	1091	+==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
	1092	+
	1093	+
	1094	+(((
771	771	Set the Rs485 serial communication parameters:
772	772
773		-* **AT Command:**
	1097	+
	1098	+)))
774	774
775		-Set Baud Rate:
	1100	+* (((
	1101	+(% style="color:#037691" %)** AT Command:**
	1102	+)))
776	776
777		-(% class="box infomessage" %)
778	778	(((
779		-**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
	1105	+* Set Baud Rate
780	780	)))
781	781
782		-Set UART Parity
	1108	+**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
783	783
784		-(% class="box infomessage" %)
	1110	+
785	785	(((
786		-**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
	1112	+* Set UART Parity
787	787	)))
788	788
789		-Set STOPBIT
	1115	+**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
790	790
791		-(% class="box infomessage" %)
	1117	+
792	792	(((
793		-**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
	1119	+* Set STOPBIT
794	794	)))
795	795
	1122	+**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
796	796
797		-* **Downlink Payload:**
798	798
799		-**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
800	800
	1126	+* (((
	1127	+(% style="color:#037691" %)** Downlink Payload:**
	1128	+)))
	1129	+
	1130	+(((
	1131	+**A7 01 aa bb**:  Same  AT+BAUDR=hex(aa bb)*100
	1132	+)))
	1133	+
	1134	+(((
801	801	**Example:**
	1136	+)))
802	802
803		-* A7 01 00 60   same as AT+BAUDR=9600
804		-* A7 01 04 80  same as AT+BAUDR=115200
	1138	+* (((
	1139	+A7 01 00 60   same as AT+BAUDR=9600
	1140	+)))
	1141	+* (((
	1142	+A7 01 04 80  same as AT+BAUDR=115200
	1143	+)))
805	805
806		-A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1145	+(((
	1146	+A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1147	+)))
807	807
808		-A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1149	+(((
	1150	+A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1151	+)))
809	809
810	810
	1154	+==== (% style="color:blue" %)**Encrypted payload**(%%) ====
	1155	+
	1156	+(((
	1157	+
	1158	+)))
	1159	+
	1160	+* (((
	1161	+(% style="color:#037691" %)** AT Command:**
	1162	+)))
	1163	+
	1164	+**AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
	1165	+
	1166	+**AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
	1167	+
	1168	+
	1169	+==== (% style="color:blue" %)**Get sensor value**(%%) ====
	1170	+
	1171	+
	1172	+* (((
	1173	+(% style="color:#037691" %)** AT Command:**
	1174	+)))
	1175	+
	1176	+**AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
	1177	+
	1178	+**AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
	1179	+
	1180	+
	1181	+==== (% style="color:blue" %)**Resets the downlink packet count**(%%) ====
	1182	+
	1183	+
	1184	+* (((
	1185	+(% style="color:#037691" %)** AT Command:**
	1186	+)))
	1187	+
	1188	+**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)
	1189	+
	1190	+**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.
	1191	+
	1192	+
	1193	+==== (% style="color:blue" %)**When the limit bytes are exceeded, upload in batches**(%%) ====
	1194	+
	1195	+
	1196	+* (((
	1197	+(% style="color:#037691" %)** AT Command:**
	1198	+)))
	1199	+
	1200	+ **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)
	1201	+
	1202	+ **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.
	1203	+
	1204	+
	1205	+* (((
	1206	+(% style="color:#037691" %)** Downlink Payload:**
	1207	+)))
	1208	+
	1209	+**0x21 00 01 ** ~/~/ Set  the DISMACANS=1
	1210	+
	1211	+
	1212	+==== (% style="color:blue" %)** Copy downlink to uplink **(%%) ====
	1213	+
	1214	+
	1215	+* (((
	1216	+(% style="color:#037691" %)** AT Command:**
	1217	+)))
	1218	+
	1219	+**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.
	1220	+
	1221	+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.
	1222	+
	1223	+[[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"]]
	1224	+
	1225	+For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
	1226	+
	1227	+[[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"]]
	1228	+
	1229	+For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
	1230	+
	1231	+
	1232	+==== (% style="color:blue" %)**Query version number and frequency band 、TDC**(%%) ====
	1233	+
	1234	+
	1235	+* (((
	1236	+(% style="color:#037691" %)**Downlink Payload:**
	1237	+
	1238	+**26 01  ** ~/~/ Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
	1239	+)))
	1240	+
	1241	+Example：
	1242	+
	1243	+[[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"]]
	1244	+
	1245	+(% class="wikigeneratedid" %)
	1246	+==== ====
	1247	+
	1248	+==== (% style="color:blue" %)** Monitor RS485 communication of other devices**(%%) ====
	1249	+
	1250	+
	1251	+* (((
	1252	+(% style="color:#037691" %)** AT Command:**
	1253	+)))
	1254	+
	1255	+**~ ​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.
	1256	+
	1257	+**~ ​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.
	1258	+
	1259	+ **AT+RXMODE=0,0  ** ~/~/Disable this mode (default)
	1260	+
	1261	+
	1262	+* (((
	1263	+(% style="color:#037691" %)**Downlink Payload:**
	1264	+)))
	1265	+
	1266	+**A6 aa bb bb  ** ~/~/same as AT+RXMODE=aa,bb
	1267	+
	1268	+[[image:image-20220824144240-1.png]]
	1269	+
	1270	+
	1271	+
811	811	== 3.6 Listening mode for RS485 network ==
812	812
	1274	+
	1275	+(((
813	813	This feature support since firmware v1.4
	1277	+)))
814	814
	1279	+(((
815	815	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.
816	816
817		-[[image:image-20220602171200-8.png||height="567" width="1007"]]
	1282	+
	1283	+)))
818	818
	1285	+(% 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" %)​
	1286	+
	1287	+(((
819	819	To enable the listening mode, use can run the command AT+RXMODE.
	1289	+)))
820	820
	1291	+(((
	1292	+
	1293	+)))
821	821
822		-(% border="1" style="background-color:#ffffcc; width:500px" %)
823		-|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
824		-|(% 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.
825		-|(% 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
826		-|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
827		-|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
	1295	+(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
	1296	+|=(% style="width: 100px;" %)(((
	1297	+**Command example**
	1298	+)))|=(% style="width: 400px;" %)(((
	1299	+**Function**
	1300	+)))
	1301	+|(% style="width:100px" %)(((
	1302	+AT+RXMODE=1,10
	1303	+)))|(% style="width:400px" %)(((
	1304	+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.
	1305	+)))
	1306	+|(% style="width:100px" %)(((
	1307	+AT+RXMODE=2,500
	1308	+)))|(% style="width:400px" %)(((
	1309	+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
	1310	+)))
	1311	+|(% style="width:100px" %)(((
	1312	+AT+RXMODE=0,0
	1313	+)))|(% style="width:400px" %)(((
	1314	+Disable listening mode. This is the default settings.
	1315	+)))
	1316	+|(% style="width:100px" %)(((
	1317	+
	1318	+)))|(% style="width:400px" %)(((
	1319	+A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
	1320	+)))
828	828
829		-**Downlink Command:**
	1322	+(((
	1323	+(% style="color:#037691" %)** Downlink Command:**
	1324	+)))
830	830
	1326	+(((
831	831	**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
	1328	+)))
832	832
	1330	+(((
	1331	+
	1332	+)))
833	833
	1334	+(((
834	834	**Example**:
	1336	+)))
835	835
	1338	+(((
836	836	The RS485-LN is set to AT+RXMODE=2,1000
	1340	+)))
837	837
	1342	+(((
838	838	There is a two Modbus commands in the RS485 network as below:
	1344	+)))
839	839
	1346	+(((
840	840	The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
	1348	+)))
841	841
	1350	+(((
842	842	And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
	1352	+)))
843	843
	1354	+(((
844	844	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
	1356	+)))
845	845
846		-[[image:image-20220602171200-9.png]]
	1358	+(((
	1359	+(% 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" %)​
	1360	+)))
847	847
	1362	+(((
	1363	+
	1364	+)))
848	848
849		-(% 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.
	1366	+(((
	1367	+(((
	1368	+(% 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.**
	1369	+)))
	1370	+)))
850	850
851	851
	1373	+
852	852	== 3.7 Buttons ==
853	853
854	854
855		-(% border="1" style="background-color:#f7faff; width:500px" %)
856		-|=**Button**|=(% style="width: 1420px;" %)**Feature**
857		-|**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**
858		-|**RST**|(% style="width:1420px" %)Reboot RS485
859		-|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>path:#upgrade_image]]
	1377	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1378	+|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
	1379	+|(% 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**
	1380	+|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
	1381	+|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
860	860
861	861	== 3.8 LEDs ==
862	862
863		-(% border="1" style="background-color:#f7faff; width:500px" %)
864		-|=**LEDs**|=**Feature**
	1385	+
	1386	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1387	+|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
865	865	|**PWR**|Always on if there is power
866		-|**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.
	1389	+|**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.
867	867
868	868	= 4. Case Study =
869	869
	1393	+
870	870	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]]
871	871
872	872
	1397	+
873	873	= 5. Use AT Command =
874	874
	1400	+
875	875	== 5.1 Access AT Command ==
876	876
877		-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.
878	878
879		-[[image:1654162355560-817.png]]
	1404	+(((
	1405	+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.
	1406	+)))
880	880
	1408	+(% 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" %)​
881	881
882		-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:
883	883
884		-[[image:1654162368066-342.png]]
	1411	+(((
	1412	+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:
	1413	+)))
885	885
	1415	+(% 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" %)​
886	886
887		-More detail AT Command manual can be found at [[AT Command Manual>>||anchor="3.5ConfigureRS485-BLviaATorDownlink"]]
888	888
	1418	+(((
	1419	+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/]]
	1420	+)))
889	889
	1422	+
	1423	+
890	890	== 5.2 Common AT Command Sequence ==
891	891
	1426	+
892	892	=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
893	893
	1429	+
894	894	If device has not joined network yet:
895	895
896		-(% class="box infomessage" %)
897		-(((
898		-**AT+FDR**
899		-)))
	1432	+* (% style="color:#037691" %)**AT+FDR**
	1433	+* (% style="color:#037691" %)**AT+NJM=0**
	1434	+* (% style="color:#037691" %)**ATZ**
900	900
901		-(% class="box infomessage" %)
902	902	(((
903		-**AT+NJM=0**
904		-)))
	1437	+
905	905
906		-(% class="box infomessage" %)
907		-(((
908		-**ATZ**
909		-)))
910		-
911		-
912	912	If device already joined network:
913	913
914		-(% class="box infomessage" %)
915		-(((
916		-**AT+NJM=0**
917		-)))
	1441	+* (% style="color:#037691" %)**AT+NJM=0**
	1442	+* (% style="color:#037691" %)**ATZ**
918	918
919		-(% class="box infomessage" %)
920		-(((
921		-**ATZ**
	1444	+
922	922	)))
923	923
924	924
	1448	+
925	925	=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
926	926
927	927
928		-(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
	1452	+(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
929	929
930		-(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
	1454	+(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
931	931
932		-(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
	1456	+(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
933	933
934		-(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)Set Data Rate
	1458	+(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
935	935
936		-(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
	1460	+(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
937	937
938		-(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
	1462	+(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
939	939
940		-(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
	1464	+(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
941	941
942		-(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
	1466	+(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
943	943
944		-(% 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.
	1468	+(% 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.
945	945
946		-(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
	1470	+(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
947	947
948	948
949	949	(% style="color:red" %)**Note:**
950	950
	1475	+(((
951	951	(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
952	952	2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
953	953	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.
954	954	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
955	955
956		-[[image:1654162478620-421.png]]
	1481	+
	1482	+)))
957	957
	1484	+(% 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" %)​
958	958
	1486	+
	1487	+
959	959	= 6. FAQ =
960	960
	1490	+
961	961	== 6.1 How to upgrade the image? ==
962	962
	1493	+
	1494	+(((
963	963	The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
	1496	+)))
964	964
965		-* Support new features
966		-* For bug fix
967		-* Change LoRaWAN bands.
	1498	+* (((
	1499	+Support new features
	1500	+)))
	1501	+* (((
	1502	+For bug fix
	1503	+)))
	1504	+* (((
	1505	+Change LoRaWAN bands.
	1506	+)))
968	968
	1508	+(((
969	969	Below shows the hardware connection for how to upload an image to RS485-LN:
	1510	+)))
970	970
971		-[[image:1654162535040-878.png]]
	1512	+(% 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"]]
972	972
973		-**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]].
	1514	+(% title="Click and drag to resize" %)​
974	974
975		-**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
	1516	+(((
	1517	+(% 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]].
	1518	+)))
976	976
977		-**Step3: **Open flashloader; choose the correct COM port to update.
	1520	+(((
	1521	+(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Firmware/]].
	1522	+)))
978	978
	1524	+(((
	1525	+(% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update.
	1526	+)))
	1527	+
	1528	+(((
	1529	+(((
	1530	+(((
979	979	(% 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.
	1532	+)))
	1533	+)))
	1534	+)))
980	980
981	981
982		-[[image:image-20220602175818-12.png]]
	1537	+(% 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" %)​
983	983
984	984
985		-[[image:image-20220602175848-13.png]]
	1540	+(% 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" %)​
986	986
987	987
988		-[[image:image-20220602175912-14.png]]
	1543	+(% 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" %)​
989	989
990	990
991		-**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
	1546	+(% 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:**
992	992
993		-[[image:image-20220602175638-10.png]]
	1548	+(% 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" %)​
994	994
995	995
	1551	+
996	996	== 6.2 How to change the LoRa Frequency Bands/Region? ==
997	997
	1554	+
998	998	User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
999	999
1000	1000
1001		-== 6.3 How many RS485-Slave can RS485-BL connects? ==
1002	1002
1003		-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"]].
	1559	+== 6.3 How many RS485-Slave can RS485-LN connects? ==
1004	1004
1005	1005
	1562	+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"]].
	1563	+
	1564	+
	1565	+
1006	1006	== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1007	1007
	1568	+
1008	1008	When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1009	1009
1010	1010	Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1011	1011
1012	1012
	1574	+
	1575	+== 6.5 Can i use point to point communication for RS485-LN? ==
	1576	+
	1577	+
	1578	+Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
	1579	+
	1580	+
	1581	+
	1582	+== 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
	1583	+
	1584	+
	1585	+[[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/]]
	1586	+
	1587	+
	1588	+
1013	1013	= 7. Trouble Shooting =
1014	1014
1015		-== 7.1 Downlink doesn’t work, how to solve it? ==
1016	1016
	1592	+== 7.1 Downlink doesn't work, how to solve it? ==
	1593	+
	1594	+
1017	1017	Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1018	1018
1019	1019
1020		-== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1021	1021
	1599	+== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
	1600	+
	1601	+
1022	1022	It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1023	1023
1024	1024
	1605	+
1025	1025	= 8. Order Info =
1026	1026
	1608	+
1027	1027	(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1028	1028
1029	1029	(% style="color:blue" %)**XXX:**
1030	1030
1031		-* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
1032		-* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
1033		-* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
1034		-* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
1035		-* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
1036		-* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
1037		-* (% style="color:blue" %)**US915**(%%): frequency bands US915
1038		-* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
1039		-* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1040		-* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
	1613	+* (% style="color:red" %)**EU433**(%%):  frequency bands EU433
	1614	+* (% style="color:red" %)**EU868**(%%):  frequency bands EU868
	1615	+* (% style="color:red" %)**KR920**(%%):  frequency bands KR920
	1616	+* (% style="color:red" %)**CN470**(%%):  frequency bands CN470
	1617	+* (% style="color:red" %)**AS923**(%%):  frequency bands AS923
	1618	+* (% style="color:red" %)**AU915**(%%):  frequency bands AU915
	1619	+* (% style="color:red" %)**US915**(%%):  frequency bands US915
	1620	+* (% style="color:red" %)**IN865**(%%):  frequency bands IN865
	1621	+* (% style="color:red" %)**RU864**(%%):  frequency bands RU864
	1622	+* (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1041	1041
1042	1042	= 9.Packing Info =
1043	1043
...	...	@@ -1057,30 +1057,66 @@
1057	1057
1058	1058	= 10. FCC Caution for RS485LN-US915 =
1059	1059
	1642	+
	1643	+(((
1060	1060	Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
	1645	+)))
1061	1061
	1647	+(((
1062	1062	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.
	1649	+)))
1063	1063
	1651	+(((
	1652	+
	1653	+)))
1064	1064
1065		-**IMPORTANT NOTE:**
	1655	+(((
	1656	+(% style="color:red" %)**IMPORTANT NOTE:**
	1657	+)))
1066	1066
1067		-**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:
	1659	+(((
	1660	+(% 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:
	1661	+)))
1068	1068
	1663	+(((
1069	1069	—Reorient or relocate the receiving antenna.
	1665	+)))
1070	1070
	1667	+(((
1071	1071	—Increase the separation between the equipment and receiver.
	1669	+)))
1072	1072
	1671	+(((
1073	1073	—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
	1673	+)))
1074	1074
	1675	+(((
1075	1075	—Consult the dealer or an experienced radio/TV technician for help.
	1677	+)))
1076	1076
	1679	+(((
	1680	+
	1681	+)))
1077	1077
1078		-**FCC Radiation Exposure Statement:**
	1683	+(((
	1684	+(% style="color:red" %)**FCC Radiation Exposure Statement:**
	1685	+)))
1079	1079
	1687	+(((
1080	1080	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.
	1689	+)))
1081	1081
1082	1082
	1692	+
1083	1083	= 11. Support =
1084	1084
1085		-* 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.
1086		-* 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]].
	1695	+
	1696	+* (((
	1697	+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.
	1698	+)))
	1699	+* (((
	1700	+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]].
	1701	+
	1702	+
	1703	+
	1704	+)))