Changes for page RS485-LN – RS485 to LoRaWAN Converter User Manual

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Details

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1		-RS485-BL – Waterproof RS485 to LoRaWAN Converter
	1	+RS485-LN – RS485 to LoRaWAN Converter

Content

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1	1	(% style="text-align:center" %)
2		-[[image:1652947681187-144.png||height="385" width="385"]]
	2	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1653266934636-343.png?width=385&height=385&rev=1.1||alt="1653266934636-343.png" height="385" width="385"]]
3	3
4	4
5	5
	6	+**RS485-LN – RS485 to LoRaWAN Converter User Manual**
6	6
7		-**RS485-BL – Waterproof RS485 to LoRaWAN Converter User Manual**
8	8
9	9
	10	+
10	10	**Table of Contents:**
11	11
	13	+* [[1.Introduction>>path:#H1.Introduction]]
	14	+** [[1.1 What is RS485-LN RS485 to LoRaWAN Converter>>path:#H1.1A0WhatisRS485-LNRS485toLoRaWANConverter]]
	15	+** [[1.2 Specifications>>path:#H1.2A0Specifications]]
	16	+** [[1.3 Features>>path:#H1.3Features]]
	17	+** [[1.4 Applications>>path:#H1.4A0Applications]]
	18	+** [[1.5 Firmware Change log>>path:#H1.5A0FirmwareChangelog]]
	19	+** [[1.6 Hardware Change log>>path:#H1.6HardwareChangelog]]
	20	+* [[2. Power ON Device>>path:#H2.PowerONDevice]]
	21	+* [[3. Operation Mode>>path:#H3.A0OperationMode]]
	22	+** [[3.1 How it works?>>path:#H3.1Howitworks3F]]
	23	+** [[3.2 Example to join LoRaWAN network>>path:#H3.2ExampletojoinLoRaWANnetwork]]
	24	+** [[3.3 Configure Commands to read data>>path:#H3.3ConfigureCommandstoreaddata]]
	25	+*** [[3.3.1 onfigure UART settings for RS485 or TTL communication>>path:#H3.3.1onfigureUARTsettingsforRS485orTTLcommunication]]
	26	+*** [[3.3.2 Configure sensors>>path:#H3.3.2Configuresensors]]
	27	+*** [[3.3.3 Configure read commands for each sampling>>path:#H3.3.3Configurereadcommandsforeachsampling]]
	28	+*** [[3.3.4 Compose the uplink payload>>path:#H3.3.4Composetheuplinkpayload]]
	29	+*** [[3.3.5 Uplink on demand>>path:#H3.3.5Uplinkondemand]]
	30	+*** [[3.3.6 Uplink on Interrupt>>path:#H3.3.6UplinkonInterrupt]]
	31	+** [[3.4 Uplink Payload>>path:#H3.4UplinkPayload]]
	32	+** [[3.5 Configure RS485-BL via AT or Downlink>>path:#H3.5ConfigureRS485-BLviaATorDownlink]]
	33	+*** [[3.5.1 Common Commands>>path:#H3.5.1CommonCommands]]
	34	+*** [[3.5.2 Sensor related commands>>path:#H3.5.2Sensorrelatedcommands]]
	35	+*** [[3.5.3 Sensor related commands>>path:#H3.5.3A0Sensorrelatedcommands]]
	36	+**** [[RS485 Debug Command>>path:#HRS485DebugCommand]]
	37	+**** [[Set Payload version>>path:#HSetPayloadversion]]
	38	+**** [[Set RS485 Sampling Commands>>path:#HSetRS485SamplingCommands]]
	39	+**** [[Fast command to handle MODBUS device>>path:#HFastcommandtohandleMODBUSdevice]]
	40	+**** [[RS485 command timeout>>path:#HRS485commandtimeout]]
	41	+**** [[Uplink payload mode>>path:#HUplinkpayloadmode]]
	42	+**** [[Manually trigger an Uplink>>path:#HManuallytriggeranUplink]]
	43	+**** [[Clear RS485 Command>>path:#HClearRS485Command]]
	44	+**** [[Set Serial Communication Parameters>>path:#HSetSerialCommunicationParameters]]
	45	+** [[3.6 Listening mode for RS485 network>>path:#H3.6A0ListeningmodeforRS485network]]
	46	+** [[3.7 Buttons>>path:#H3.7Buttons]]
	47	+** [[3.8 LEDs>>path:#H3.8LEDs]]
	48	+* [[4. Case Study>>path:#H4.CaseStudy]]
	49	+* [[5. Use AT Command>>path:#H5.UseATCommand]]
	50	+** [[5.1 Access AT Command>>path:#H5.1AccessATCommand]]
	51	+** [[5.2 Common AT Command Sequence>>path:#H5.2CommonATCommandSequence]]
	52	+*** [[5.2.1 Multi-channel ABP mode (Use with SX1301/LG308)>>path:#H5.2.1Multi-channelABPmode28UsewithSX13012FLG30829]]
	53	+*** [[5.5.2 Single-channel ABP mode (Use with LG01/LG02)>>path:#H5.5.2Single-channelABPmode28UsewithLG012FLG0229]]
	54	+* [[6. FAQ>>path:#H6.FAQ]]
	55	+** [[6.1 How to upgrade the image?>>path:#H6.1Howtoupgradetheimage3F]]
	56	+** [[6.2 How to change the LoRa Frequency Bands/Region?>>path:#H6.2HowtochangetheLoRaFrequencyBands2FRegion3F]]
	57	+** [[6.3 How many RS485-Slave can RS485-BL connects?>>path:#H6.3HowmanyRS485-SlavecanRS485-BLconnects3F]]
	58	+** [[6.4 Compatible question to ChirpStack and TTI LoRaWAN server ?>>path:#H6.4CompatiblequestiontoChirpStackandTTILoRaWANserver3F]]
	59	+* [[7. Trouble Shooting>>path:#H7.TroubleShooting]]
	60	+** [[7.1 Downlink doesn’t work, how to solve it?>>path:#H7.1Downlinkdoesn2019twork2Chowtosolveit3F]]
	61	+** [[7.2 Why I can’t join TTN V3 in US915 /AU915 bands?>>path:#H7.2WhyIcan2019tjoinTTNV3inUS9152FAU915bands3F]]
	62	+* [[8. Order Info>>path:#H8.OrderInfo]]
	63	+* [[9.Packing Info>>path:#H9.PackingInfo]]
	64	+* [[10. FCC Caution for RS485LN-US915>>path:#H10.FCCCautionforRS485LN-US915]]
	65	+* [[11. Support>>path:#H11.Support]]
12	12
13	13
14	14
15	15
	70	+
	71	+
	72	+
16	16	= 1.Introduction =
17	17
18		-== 1.1 What is RS485-BL RS485 to LoRaWAN Converter ==
	75	+== 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
19	19
20	20	(((
21		-
22		-)))
23		-
24	24	(((
25		-The Dragino RS485-BL is a **RS485 / UART to LoRaWAN Converter** for Internet of Things solutions. User can connect RS485 or UART sensor to RS485-BL converter, and configure RS485-BL to periodically read sensor data and upload via LoRaWAN network to IoT server.
	79	+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.
26	26	)))
27	27
28	28	(((
29		-RS485-BL can interface to RS485 sensor, 3.3v/5v UART sensor or interrupt sensor. RS485-BL provides **a 3.3v output** and** a 5v output** to power external sensors. Both output voltages are controllable to minimize the total system power consumption.
	83	+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.
30	30	)))
31	31
32	32	(((
33		-RS485-BL is IP67 **waterproof** and powered by **8500mAh Li-SOCI2 battery**, it is designed for long term use for several years.
	87	+(% 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.
34	34	)))
35	35
36	36	(((
37		-RS485-BL runs standard **LoRaWAN 1.0.3 in Class A**. It can reach long transfer range and easy to integrate with LoRaWAN compatible gateway and IoT server.
38		-)))
	91	+(% 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.
39	39
40		-(((
41		-For data uplink, RS485-BL sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-BL will process these returns data according to user-define rules to get the final payload and upload to LoRaWAN server.
	93	+(% 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]]
42	42	)))
43		-
44		-(((
45		-For data downlink, RS485-BL runs in LoRaWAN Class A. When there is downlink commands from LoRaWAN server, RS485-BL will forward the commands from LoRaWAN server to RS485 devices.
46	46	)))
47	47
48		-(((
49		-Each RS485-BL pre-load with a set of unique keys for LoRaWAN registration, register these keys to LoRaWAN server and it will auto connect after power on.
50		-)))
	97	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1653267211009-519.png?width=724&height=419&rev=1.1||alt="1653267211009-519.png" height="419" width="724"]]
51	51
52		-[[image:1652953304999-717.png||height="424" width="733"]]
53	53
54	54	== 1.2 Specifications ==
55	55
	102	+
56	56	**Hardware System:**
57	57
58	58	* STM32L072CZT6 MCU
59	59	* SX1276/78 Wireless Chip
60	60	* Power Consumption (exclude RS485 device):
61		-** Idle: 6uA@3.3v
	108	+** Idle: 32mA@12v
	109	+** 20dB Transmit: 65mA@12v
62	62
63		-*
64		-** 20dB Transmit: 130mA@3.3v
65		-
66	66	**Interface for Model:**
67	67
68		-* 1 x RS485 Interface
69		-* 1 x TTL Serial , 3.3v or 5v.
70		-* 1 x I2C Interface, 3.3v or 5v.
71		-* 1 x one wire interface
72		-* 1 x Interrupt Interface
73		-* 1 x Controllable 5V output, max
	113	+* RS485
	114	+* Power Input 7~~ 24V DC.
74	74
75	75	**LoRa Spec:**
76	76
...	...	@@ -79,27 +79,30 @@
79	79	** Band 2 (LF): 410 ~~ 528 Mhz
80	80	* 168 dB maximum link budget.
81	81	* +20 dBm - 100 mW constant RF output vs.
	123	+* +14 dBm high efficiency PA.
82	82	* Programmable bit rate up to 300 kbps.
83	83	* High sensitivity: down to -148 dBm.
84	84	* Bullet-proof front end: IIP3 = -12.5 dBm.
85	85	* Excellent blocking immunity.
	128	+* Low RX current of 10.3 mA, 200 nA register retention.
86	86	* Fully integrated synthesizer with a resolution of 61 Hz.
87		-* LoRa modulation.
	130	+* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
88	88	* Built-in bit synchronizer for clock recovery.
89	89	* Preamble detection.
90	90	* 127 dB Dynamic Range RSSI.
91		-* Automatic RF Sense and CAD with ultra-fast AFC. ​​​
	134	+* Automatic RF Sense and CAD with ultra-fast AFC.
	135	+* Packet engine up to 256 bytes with CRC
92	92
93	93	== 1.3 Features ==
94	94
95		-* LoRaWAN Class A & Class C protocol (default Class A)
	139	+* LoRaWAN Class A & Class C protocol (default Class C)
96	96	* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
97	97	* AT Commands to change parameters
98		-* Remote configure parameters via LoRaWAN Downlink
	142	+* Remote configure parameters via LoRa Downlink
99	99	* Firmware upgradable via program port
100	100	* Support multiply RS485 devices by flexible rules
101	101	* Support Modbus protocol
102		-* Support Interrupt uplink
	146	+* Support Interrupt uplink (Since hardware version v1.2)
103	103
104	104	== 1.4 Applications ==
105	105
...	...	@@ -112,53 +112,46 @@
112	112
113	113	== 1.5 Firmware Change log ==
114	114
115		-[[RS485-BL Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/RS485-BL/Firmware/||style="background-color: rgb(255, 255, 255);"]]
	159	+[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
116	116
	161	+
117	117	== 1.6 Hardware Change log ==
118	118
119	119	(((
120		-v1.4
121		-)))
122		-
123	123	(((
124		-~1. Change Power IC to TPS22916
125		-)))
	166	+v1.2: Add External Interrupt Pin.
126	126
	168	+v1.0: Release
127	127
128		-(((
129		-v1.3
	170	+
130	130	)))
131		-
132		-(((
133		-~1. Change JP3 from KF350-8P to KF350-11P, Add one extra interface for I2C and one extra interface for one-wire
134	134	)))
135	135
	174	+= 2. Power ON Device =
136	136
137	137	(((
138		-v1.2
139		-)))
	177	+The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
140	140
	179	+* Power Source VIN to RS485-LN VIN+
	180	+* Power Source GND to RS485-LN VIN-
	181	+
141	141	(((
142		-Release version ​​​​​
	183	+Once there is power, the RS485-LN will be on.
143	143	)))
144	144
145		-= 2. Pin mapping and Power ON Device =
	186	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1653268091319-405.png?rev=1.1||alt="1653268091319-405.png"]]
146	146
147		-(((
148		-The RS485-BL is powered on by 8500mAh battery. To save battery life, RS485-BL is shipped with power off. User can put the jumper to power on RS485-BL.
	188	+
149	149	)))
150	150
151		-[[image:1652953055962-143.png||height="387" width="728"]]
152		-
153		-
154		-The Left TXD and RXD are TTL interface for external sensor. TTL level is controlled by 3.3/5v Jumper.
155		-
156	156	= 3. Operation Mode =
157	157
158	158	== 3.1 How it works? ==
159	159
160	160	(((
161		-The RS485-BL is configured as LoRaWAN OTAA Class A 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-BL. It will auto join the network via OTAA.
	196	+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.
	197	+
	198	+
162	162	)))
163	163
164	164	== 3.2 Example to join LoRaWAN network ==
...	...	@@ -165,27 +165,37 @@
165	165
166	166	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.
167	167
168		-[[image:1652953414711-647.png||height="337" width="723"]]
	205	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1653268155545-638.png?width=724&height=334&rev=1.1||alt="1653268155545-638.png" height="334" width="724"]]
169	169
	207	+
170	170	(((
171		-The RS485-BL in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method.
	209	+(((
	210	+The RS485-LN in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method. The connection is as below:
172	172	)))
173	173
174	174	(((
175		-The LG308 is already set to connect to [[TTN V3 network >>url:https://www.thethingsnetwork.org/]]. So what we need to now is only configure the TTN V3:
	214	+485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
176	176	)))
177	177
	217	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1653268227651-549.png?width=720&height=592&rev=1.1||alt="1653268227651-549.png" height="592" width="720"]]
	218	+
178	178	(((
179		-**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-BL.
	220	+The LG308 is already set to connect to (% class="wikiinternallink" %)[[TTN V3 network >>url:https://www.thethingsnetwork.org/]](%%). So what we need to now is only configure the TTN V3:
180	180	)))
181	181
182	182	(((
183		-Each RS485-BL is shipped with a sticker with unique device EUI:
	224	+**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
184	184	)))
185	185
186		-[[image:1652953462722-299.png]]
	227	+(((
	228	+Each RS485-LN is shipped with a sticker with unique device EUI:
	229	+)))
	230	+)))
187	187
	232	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1652953462722-299.png?rev=1.1||alt="1652953462722-299.png"]]
	233	+
188	188	(((
	235	+(((
189	189	User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
190	190	)))
191	191
...	...	@@ -192,66 +192,63 @@
192	192	(((
193	193	Add APP EUI in the application.
194	194	)))
	242	+)))
195	195
	244	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220519174512-1.png?rev=1.1||alt="image-20220519174512-1.png"]]
196	196
	246	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220519174512-2.png?width=720&height=323&rev=1.1||alt="image-20220519174512-2.png" height="323" width="720"]]
197	197
	248	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220519174512-3.png?width=724&height=556&rev=1.1||alt="image-20220519174512-3.png" height="556" width="724"]]
198	198
199		-[[image:image-20220519174512-1.png]]
	250	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220519174512-4.png?rev=1.1||alt="image-20220519174512-4.png"]]
200	200
201		-[[image:image-20220519174512-2.png||height="328" width="731"]]
202		-
203		-[[image:image-20220519174512-3.png||height="556" width="724"]]
204		-
205		-[[image:image-20220519174512-4.png]]
206		-
207	207	You can also choose to create the device manually.
208	208
209		-[[image:1652953542269-423.png||height="710" width="723"]]
	254	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1652953542269-423.png?width=723&height=710&rev=1.1||alt="1652953542269-423.png" height="710" width="723"]]
210	210
211	211	Add APP KEY and DEV EUI
212	212
213		-[[image:1652953553383-907.png||height="514" width="724"]]
	258	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1652953553383-907.png?width=724&height=514&rev=1.1||alt="1652953553383-907.png" height="514" width="724"]]
214	214
215	215
216	216	(((
217		-**Step 2**: Power on RS485-BL 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.
	262	+**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.
218	218	)))
219	219
220		-[[image:1652953568895-172.png||height="232" width="724"]]
	265	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1652953568895-172.png?width=724&height=232&rev=1.1||alt="1652953568895-172.png" height="232" width="724"]]
221	221
	267	+
222	222	== 3.3 Configure Commands to read data ==
223	223
224	224	(((
225		-There are plenty of RS485 and TTL level devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-BL supports flexible command set. User can use [[AT Commands or LoRaWAN Downlink>>path:#AT_COMMAND]] Command to configure how RS485-BL should read the sensor and how to handle the return from RS485 or TTL sensors.
	271	+(((
	272	+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>>path:#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.
226	226	)))
227	227
228		-=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
	275	+(((
	276	+(% 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
229	229
230		-RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
	278	+
	279	+)))
	280	+)))
231	231
232		-**~1. RS485-MODBUS mode:**
	282	+=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
233	233
234		-AT+MOD=1 ~/~/ Support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
	284	+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:
235	235
236		-**2. TTL mode:**
237		-
238		-AT+MOD=2 ~/~/ Support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
239		-
240		-RS485-BL default UART settings is **9600, no parity, stop bit 1**. If the sensor has a different settings, user can change the RS485-BL setting to match.
241		-
242		-(% border="1" style="background-color:#ffffcc; color:green; width:795px" %)
243		-|(((
	286	+(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
	287	+|(% style="width:128px" %)(((
244	244	**AT Commands**
245		-)))|(% style="width:285px" %)(((
	289	+)))|(% style="width:305px" %)(((
246	246	**Description**
247		-)))|(% style="width:347px" %)(((
	291	+)))|(% style="width:346px" %)(((
248	248	**Example**
249	249	)))
250		-|(((
	294	+|(% style="width:128px" %)(((
251	251	AT+BAUDR
252		-)))|(% style="width:285px" %)(((
	296	+)))|(% style="width:305px" %)(((
253	253	Set the baud rate (for RS485 connection). Default Value is: 9600.
254		-)))|(% style="width:347px" %)(((
	298	+)))|(% style="width:346px" %)(((
255	255	(((
256	256	AT+BAUDR=9600
257	257	)))
...	...	@@ -260,18 +260,12 @@
260	260	Options: (1200,2400,4800,14400,19200,115200)
261	261	)))
262	262	)))
263		-|(((
	307	+|(% style="width:128px" %)(((
264	264	AT+PARITY
265		-)))|(% style="width:285px" %)(((
266		-(((
	309	+)))|(% style="width:305px" %)(((
267	267	Set UART parity (for RS485 connection)
268		-)))
269		-
	311	+)))|(% style="width:346px" %)(((
270	270	(((
271		-Default Value is: no parity.
272		-)))
273		-)))|(% style="width:347px" %)(((
274		-(((
275	275	AT+PARITY=0
276	276	)))
277	277
...	...	@@ -279,17 +279,17 @@
279	279	Option: 0: no parity, 1: odd parity, 2: even parity
280	280	)))
281	281	)))
282		-|(((
	320	+|(% style="width:128px" %)(((
283	283	AT+STOPBIT
284		-)))|(% style="width:285px" %)(((
	322	+)))|(% style="width:305px" %)(((
285	285	(((
286	286	Set serial stopbit (for RS485 connection)
287	287	)))
288	288
289	289	(((
290		-Default Value is: 1bit.
	328	+
291	291	)))
292		-)))|(% style="width:347px" %)(((
	330	+)))|(% style="width:346px" %)(((
293	293	(((
294	294	AT+STOPBIT=0 for 1bit
295	295	)))
...	...	@@ -306,12 +306,10 @@
306	306	=== 3.3.2 Configure sensors ===
307	307
308	308	(((
309		-Some sensors might need to configure before normal operation. User can configure such sensor via PC or through RS485-BL AT Commands (% style="color:#4f81bd" %)**AT+CFGDEV**.
310		-)))
311		-
312	312	(((
313		-When user issue an (% style="color:#4f81bd" %)**AT+CFGDEV**(%%) command, Each (% style="color:#4f81bd" %)**AT+CFGDEV**(%%) equals to send a command to the RS485 or TTL sensors. This command will only run when user input it and won’t run during each sampling.
	348	+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.
314	314	)))
	350	+)))
315	315
316	316	(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
317	317	|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
...	...	@@ -323,81 +323,37 @@
323	323	mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
324	324	)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
325	325
326		-Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>path:#AT_CFGDEV]].
327		-
328	328	=== 3.3.3 Configure read commands for each sampling ===
329	329
330	330	(((
331		-RS485-BL is a battery powered device; it will sleep most of time. And wake up on each period and read RS485 / TTL sensor data and uplink.
332		-)))
	365	+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.
333	333
334		-(((
335		-During each sampling, we need to confirm what commands we need to send to the sensors to read data. After the RS485/TTL sensors send back the value, it normally includes some bytes and we only need a few from them for a shorten payload.
336		-)))
337		-
338		-(((
339	339	To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
340		-)))
341	341
342		-(((
343	343	This section describes how to achieve above goals.
344		-)))
345	345
346		-(((
347		-During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
348		-)))
	371	+During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
349	349
350		-(((
351		-**Command from RS485-BL to Sensor:**
352		-)))
353	353
354		-(((
355		-RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar.
356		-)))
	374	+**Each RS485 commands include two parts:**
357	357
358		-(((
359		-**Handle return from sensors to RS485-BL**:
360		-)))
	376	+~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.
361	361
362		-(((
363		-After RS485-BL send out a string to sensor, RS485-BL will wait for the return from RS485 or TTL sensor. And user can specify how to handle the return, by **AT+DATACUT or AT+SEARCH commands**
364		-)))
	378	+2. How to get wanted value the from RS485 sensors returns from by 1). There are total 15 AT Commands to handle the return, commands are **AT+DATACUT1**,**AT+DATACUT2**,…, **AT+DATACUTF** corresponding to the commands from 1). All commands are of same grammar.
365	365
366		-* (((
367		-**AT+DATACUT**
368		-)))
	380	+3. Some RS485 device might has longer delay on reply, so user can use AT+CMDDL to set the timeout for getting reply after the RS485 command is sent. For example **AT+CMDDL1=1000** to send the open time to 1000ms
369	369
370		-(((
371		-When the return value from sensor have fix length and we know which position the valid value we should get, we can use AT+DATACUT command.
372		-)))
373	373
374		-* (((
375		-**AT+SEARCH**
376		-)))
377		-
378		-(((
379		-When the return value from sensor is dynamic length and we are not sure which bytes the valid data is, instead, we know what value the valid value following. We can use AT+SEARCH to search the valid value in the return string.
380		-)))
381		-
382		-(((
383		-**Define wait timeout:**
384		-)))
385		-
386		-(((
387		-Some RS485 device might has longer delay on reply, so user can use AT+CMDDL to set the timeout for getting reply after the RS485 command is sent. For example, AT+CMDDL1=1000 to send the open time to 1000ms
388		-)))
389		-
390		-(((
391	391	After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
392		-)))
393	393
394		-**Examples:**
395	395
396	396	Below are examples for the how above AT Commands works.
397	397
398		-**AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
399	399
400		-|(((
	389	+**AT+COMMANDx : **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is:
	390	+
	391	+(% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
	392	+|(% style="width:496px" %)(((
401	401	**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
402	402
403	403	**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
...	...	@@ -407,42 +407,13 @@
407	407
408	408	For example, if we have a RS485 sensor. The command to get sensor value is: 01 03 0B B8 00 02 46 0A. Where 01 03 0B B8 00 02 is the Modbus command to read the register 0B B8 where stored the sensor value. The 46 0A is the CRC-16/MODBUS which calculate manually.
409	409
410		-In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
	402	+In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
411	411
412		-**AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
413	413
414		-|(((
415		-**AT+SEARCHx=aa,xx xx xx xx xx**
416		-
417		-* **aa: 1: prefix match mode; 2: prefix and suffix match mode**
418		-* **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
419		-
420		-
421		-)))
422		-
423		-Examples:
424		-
425		-1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
426		-
427		-If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
428		-
429		-The valid data will be all bytes after 1E 56 34 , so it is 2e 30 58 5f 36 41 30 31 00 49
430		-
431		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
432		-
433		-
434		-1. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
435		-
436		-If we set AT+SEARCH1=2, 1E 56 34+31 00 49
437		-
438		-Device will search the bytes between 1E 56 34 and 31 00 49. So it is 2e 30 58 5f 36 41 30
439		-
440		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
441		-
442		-
443	443	**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
444	444
445		-|(((
	407	+(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
	408	+|(% style="width:722px" %)(((
446	446	**AT+DATACUTx=a,b,c**
447	447
448	448	* **a: length for the return of AT+COMMAND**
...	...	@@ -450,242 +450,184 @@
450	450	* **c: define the position for valid value.  **
451	451	)))
452	452
453		-Examples:
	416	+**Examples:**
454	454
455	455	* Grab bytes:
456	456
457		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
	420	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220602153621-1.png?rev=1.1||alt="image-20220602153621-1.png"]]
458	458
	422	+
459	459	* Grab a section.
460	460
461		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]
	425	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220602153621-2.png?rev=1.1||alt="image-20220602153621-2.png"]]
462	462
	427	+
463	463	* Grab different sections.
464	464
465		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
	430	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220602153621-3.png?rev=1.1||alt="image-20220602153621-3.png"]]
466	466
	432	+
	433	+)))
467	467
468		-Note:
	435	+=== 3.3.4 Compose the uplink payload ===
469	469
470		-AT+SEARCHx and AT+DATACUTx can be used together, if both commands are set, RS485-BL will first process AT+SEARCHx on the return string and get a temporary string, and then process AT+DATACUTx on this temporary string to get the final payload. In this case, AT+DATACUTx need to set to format AT+DATACUTx=0,xx,xx where the return bytes set to 0.
471		-
472		-Example:
473		-
474		-AT+COMMAND1=11 01 1E D0,0
475		-
476		-AT+SEARCH1=1,1E 56 34
477		-
478		-AT+DATACUT1=0,2,1~~5
479		-
480		-Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
481		-
482		-String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
483		-
484		-Valid payload after DataCUT command: 2e 30 58 5f 36
485		-
486		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
487		-
488		-
489		-
490		-
491		-1.
492		-11.
493		-111. Compose the uplink payload
494		-
	437	+(((
495	495	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.**
496	496
	440	+
	441	+)))
497	497
498		-**Examples: AT+DATAUP=0**
	443	+(((
	444	+(% style="color:#037691" %)**Examples: AT+DATAUP=0**
499	499
500		-Compose the uplink payload with value returns in sequence and send with **A SIGNLE UPLINK**.
	446	+
	447	+)))
501	501
	449	+(((
	450	+Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**A SIGNLE UPLINK**.
	451	+)))
	452	+
	453	+(((
502	502	Final Payload is
	455	+)))
503	503
504		-Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx
	457	+(((
	458	+(% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
	459	+)))
505	505
	461	+(((
506	506	Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
	463	+)))
507	507
508		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
	465	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1653269759169-150.png?width=716&height=513&rev=1.1||alt="1653269759169-150.png" height="513" width="716"]]
509	509
510	510
	468	+(% style="color:#037691" %)**Examples: AT+DATAUP=1**
511	511
512		-**Examples: AT+DATAUP=1**
513	513
514		-Compose the uplink payload with value returns in sequence and send with **Multiply UPLINKs**.
	471	+Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
515	515
516	516	Final Payload is
517	517
518		-Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA
	475	+(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
519	519
520		-1. Battery Info (2 bytes): Battery voltage
521		-1. PAYVER (1 byte): Defined by AT+PAYVER
522		-1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
523		-1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
524		-1. DATA: Valid value: max 6 bytes(US915 version here, [[Notice*!>>path:#max_byte]]) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes
525	525
526		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
	478	+1. PAYVER: Defined by AT+PAYVER
	479	+1. PAYLOAD COUNT: Total how many uplinks of this sampling.
	480	+1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
	481	+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
527	527
	483	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220602155039-4.png?rev=1.1||alt="image-20220602155039-4.png"]]
528	528
529		-So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
530	530
531		-DATA1=RETURN1 Valid Value = 20 20 0a 33 90 41
	486	+So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
532	532
533		-DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= 02 aa 05 81 0a 20
	488	+DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa**
534	534
535		-DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = 20 20 20 2d 30
	490	+DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d**
536	536
	492	+DATA3=the rest of Valid value of RETURN10= **30**
537	537
538	538
539		-Below are the uplink payloads:
	495	+(% 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:
540	540
541		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]]
	497	+ ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
542	542
	499	+ * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
543	543
544		-Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:
	501	+ * For US915 band, max 11 bytes for each uplink.
545	545
546		- ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
	503	+ ~* For all other bands: max 51 bytes for each uplink.
547	547
548		- * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
549	549
550		- * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
	506	+Below are the uplink payloads:
551	551
552		- ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
	508	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1654157178836-407.png?rev=1.1||alt="1654157178836-407.png"]]
553	553
554	554
	511	+=== 3.3.5 Uplink on demand ===
555	555
556		-1.
557		-11.
558		-111. Uplink on demand
	513	+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.
559	559
560		-Except uplink periodically, RS485-BL is able to uplink on demand. The server sends downlink command to RS485-BL and RS485 will uplink data base on the command.
561		-
562	562	Downlink control command:
563	563
564		-[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
	517	+**0x08 command**: Poll an uplink with current command set in RS485-LN.
565	565
566		-[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
	519	+**0xA8 command**: Send a command to RS485-LN and uplink the output from sensors.
567	567
568	568
569	569
570		-1.
571		-11.
572		-111. Uplink on Interrupt
	523	+=== 3.3.6 Uplink on Interrupt ===
573	573
574		-Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
	525	+RS485-LN support external Interrupt uplink since hardware v1.2 release.
575	575
576		-AT+INTMOD=0  Disable Interrupt
	527	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1654157342174-798.png?rev=1.1||alt="1654157342174-798.png"]]
577	577
578		-AT+INTMOD=1  Interrupt trigger by rising or falling edge.
	529	+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.
579	579
580		-AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
581	581
582		-AT+INTMOD=3  Interrupt trigger by rising edge.
	532	+== 3.4 Uplink Payload ==
583	583
584		-
585		-1.
586		-11. Uplink Payload
587		-
588		-|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
589		-|Value|(((
	534	+(% border="1" style="background-color:#4bacc6; color:white; width:734px" %)
	535	+|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands**
	536	+|Value|(% style="width:120px" %)(((
590	590	Battery(mV)
591	591
592	592	&
593	593
594	594	Interrupt _Flag
595		-)))|(((
	542	+)))|(% style="width:116px" %)(((
596	596	PAYLOAD_VER
597	597
598	598
599		-)))|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.
	546	+)))|(% 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.
600	600
601	601	Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
602	602
603	603
604		-function Decoder(bytes, port) {
	551	+== 3.5 Configure RS485-BL via AT or Downlink ==
605	605
606		-~/~/Payload Formats of RS485-BL Deceive
	553	+User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
607	607
608		-return {
609		-
610		- ~/~/Battery,units:V
611		-
612		- BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
613		-
614		- ~/~/GPIO_EXTI
615		-
616		- EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
617		-
618		- ~/~/payload of version
619		-
620		- Pay_ver:bytes[2],
621		-
622		- };
623		-
624		- }
625		-
626		-
627		-
628		-
629		-
630		-
631		-
632		-TTN V3 uplink screen shot.
633		-
634		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
635		-
636		-1.
637		-11. Configure RS485-BL via AT or Downlink
638		-
639		-User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
640		-
641	641	There are two kinds of Commands:
642	642
643		-* **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: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
	557	+* (% 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>>path:/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
644	644
645		-* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
	559	+* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
646	646
647		-1.
648		-11.
649		-111. Common Commands:
	561	+=== 3.5.1 Common Commands ===
650	650
651		-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: [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands>>url:http://wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands]]
	563	+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>>path:/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
652	652
653	653
654		-1.
655		-11.
656		-111. Sensor related commands:
	566	+=== 3.5.2 Sensor related commands ===
657	657
658		-==== Choose Device Type (RS485 or TTL) ====
	568	+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.
659	659
660		-RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
	570	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220602163333-5.png?width=1160&height=263&rev=1.1||alt="image-20220602163333-5.png" height="263" width="1160"]]
661	661
662		-* AT Command
	572	+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)
663	663
664		-**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
665	665
666		-**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
	575	+=== 3.5.3 Sensor related commands ===
667	667
668	668
669		-* Downlink Payload
670	670
671		-**0A aa**     à same as AT+MOD=aa
	579	+==== **RS485 Debug Command** ====
672	672
	581	+This command is used to configure the RS485 devices; they won’t be used during sampling.
673	673
	583	+* **AT Command**
674	674
675		-==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
	585	+(% class="box infomessage" %)
	586	+(((
	587	+**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	588	+)))
676	676
677		-This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
	590	+m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
678	678
679		-* AT Command
	592	+* **Downlink Payload**
680	680
681		-AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
682		-
683		-m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
684		-
685		-
686		-
687		-* Downlink Payload
688		-
689	689	Format: A8 MM NN XX XX XX XX YY
690	690
691	691	Where:
...	...	@@ -693,9 +693,12 @@
693	693	* MM: 1: add CRC-16/MODBUS ; 0: no CRC
694	694	* NN: The length of RS485 command
695	695	* XX XX XX XX: RS485 command total NN bytes
696		-* YY: How many bytes will be uplink from the return of this RS485 command, if YY=0, RS485-BL will execute the downlink command without uplink; if YY>0, RS485-BL will uplink total YY bytes from the output of this RS485 command
	601	+* YY: How many bytes will be uplink from the return of this RS485 command,
	602	+** if YY=0, RS485-LN will execute the downlink command without uplink;
	603	+** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
	604	+** if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
697	697
698		-**Example 1:**
	606	+**Example 1** ~-~-> Configure without ask for uplink (YY=0)
699	699
700	700	To connect a Modbus Alarm with below commands.
701	701
...	...	@@ -705,184 +705,190 @@
705	705
706	706	So if user want to use downlink command to control to RS485 Alarm, he can use:
707	707
708		-**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
	616	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
709	709
710		-**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
	618	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
711	711
712	712	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.
713	713
714	714
715		-**Example 2:**
	623	+**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
716	716
717		-Check TTL Sensor return:
	625	+User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
718	718
719		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
720	720
	628	+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:
721	721
	630	+ **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
722	722
	632	+ [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1654159460680-153.png?rev=1.1||alt="1654159460680-153.png"]]
723	723
724		-==== Set Payload version ====
725	725
726		-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.
727	727
728		-* AT Command:
	636	+==== **Set Payload version** ====
729	729
730		-AT+PAYVER: Set PAYVER field = 1
	638	+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.
731	731
	640	+* **AT Command:**
732	732
733		-* Downlink Payload:
	642	+(% class="box infomessage" %)
	643	+(((
	644	+**AT+PAYVER: Set PAYVER field = 1**
	645	+)))
734	734
735		-0xAE 01   à Set PAYVER field =  0x01
	647	+* **Downlink Payload:**
736	736
737		-0xAE 0F   à Set PAYVER field =  0x0F
	649	+**0xAE 01**  ~-~-> Set PAYVER field =  0x01
738	738
	651	+**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
739	739
740		-==== Set RS485 Sampling Commands ====
741	741
742		-AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
743	743
744		-These three commands are used to configure how the RS485-BL polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>path:#polling_485]].
	655	+==== **Set RS485 Sampling Commands** ====
745	745
	657	+AT+COMMANDx or AT+DATACUTx
746	746
747		-* AT Command:
	659	+These three commands are used to configure how the RS485-LN polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>path:#H3.3.3Configurereadcommandsforeachsampling]].
748	748
749		-AT+COMMANDx: Configure RS485 read command to sensor.
750	750
751		-AT+DATACUTx: Configure how to handle return from RS485 devices.
	662	+* **AT Command:**
752	752
753		-AT+SEARCHx: Configure search command
	664	+(% class="box infomessage" %)
	665	+(((
	666	+**AT+COMMANDx: Configure RS485 read command to sensor.**
	667	+)))
754	754
	669	+(% class="box infomessage" %)
	670	+(((
	671	+**AT+DATACUTx: Configure how to handle return from RS485 devices.**
	672	+)))
755	755
756		-* Downlink Payload:
757	757
758		-0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	675	+* **Downlink Payload:**
759	759
760		-Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	677	+**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
761	761
	679	+(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	680	+
762	762	Format: AF MM NN LL XX XX XX XX YY
763	763
764	764	Where:
765	765
766	766	* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
767		-* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
768		-* LL: The length of AT+COMMAND or AT+DATACUT command
	686	+* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
	687	+* LL:  The length of AT+COMMAND or AT+DATACUT command
769	769	* XX XX XX XX: AT+COMMAND or AT+DATACUT command
770		-* YY: If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-BL will execute an uplink after got this command.
	689	+* 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.
771	771
772		-Example:
	691	+**Example:**
773	773
774		-**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
	693	+(% 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
775	775
776		-**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
	695	+(% 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**
777	777
778		-**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
	697	+(% 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**
779	779
780	780
781		-0xAB downlink command can be used for set AT+SEARCHx
782	782
783		-Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
	701	+==== **Fast command to handle MODBUS device** ====
784	784
785		-* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
786		-* AB aa 02 03 xx xx xx 02 yy yy(03 means there are 3 bytes after 03, they are xx xx xx;02 means there are 2 bytes after 02, they are yy yy) so the commands
787		-
788		-**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
789		-
790		-
791		-==== Fast command to handle MODBUS device ====
792		-
793	793	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]].
794	794
795	795	This command is valid since v1.3 firmware version
796	796
	707	+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.
797	797
798		-AT+MBFUN has only two value:
799	799
800		-* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
	710	+**Example:**
801	801
802		-AT+MBFUN=1, device 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.
803		-
804		-* AT+MBFUN=0: Disable Modbus fast reading.
805		-
806		-Example:
807		-
808		-* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
	712	+* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
809	809	* 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.
810	810	* 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.
811	811
812		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
	716	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220602165351-6.png?rev=1.1||alt="image-20220602165351-6.png"]]
813	813
	718	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220602165351-7.png?rev=1.1||alt="image-20220602165351-7.png"]]
814	814
815		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
816	816
817	817
818		-* Downlink Commands:
	722	+==== **RS485 command timeout** ====
819	819
820		-A9 aa -à Same as AT+MBFUN=aa
	724	+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.
821	821
	726	+Default value: 0, range:  0 ~~ 65 seconds
822	822
823		-==== RS485 command timeout ====
	728	+* **AT Command:**
824	824
825		-Some Modbus device has slow action to send replies. This command is used to configure the RS485-BL to use longer time to wait for their action.
	730	+(% class="box infomessage" %)
	731	+(((
	732	+**AT+CMDDLaa=hex(bb cc)*1000**
	733	+)))
826	826
827		-Default value: 0, range:  0 ~~ 5 seconds
	735	+**Example:**
828	828
	737	+**AT+CMDDL1=1000** to send the open time to 1000ms
829	829
830		-* AT Command:
831	831
832		-AT+CMDDLaa=hex(bb cc)
	740	+* **Downlink Payload:**
833	833
834		-Example:
	742	+**0x AA aa bb cc**
835	835
836		-**AT+CMDDL1=1000** to send the open time to 1000ms
	744	+Same as: AT+CMDDLaa=hex(bb cc)*1000
837	837
	746	+ **Example:**
838	838
839		-* Downlink Payload:
	748	+ 0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
840	840
841		-0x AA aa bb cc
842	842
843		-Same as: AT+CMDDLaa=hex(bb cc)
844	844
845		- Example:
	752	+==== **Uplink payload mode** ====
846	846
847		- 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
	754	+Define to use one uplink or multiple uplinks for the sampling.
848	848
	756	+The use of this command please see: [[Compose Uplink payload>>path:#H3.3.4Composetheuplinkpayload]]
849	849
850		-==== [[Uplink>>path:#downlink_A8]] payload mode ====
	758	+* **AT Command:**
851	851
852		-Define to use one uplink or multiple uplinks for the sampling.
	760	+(% class="box infomessage" %)
	761	+(((
	762	+**AT+DATAUP=0**
	763	+)))
853	853
854		-The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
	765	+(% class="box infomessage" %)
	766	+(((
	767	+**AT+DATAUP=1**
	768	+)))
855	855
856		-* AT Command:
857	857
858		-AT+DATAUP=0
	771	+* **Downlink Payload:**
859	859
860		-AT+DATAUP=1
	773	+**0xAD 00**  **~-~->** Same as AT+DATAUP=0
861	861
	775	+**0xAD 01**  **~-~->** Same as AT+DATAUP=1
862	862
863		-* Downlink Payload:
864	864
865		-0xAD 00   à Same as AT+DATAUP=0
866	866
867		-0xAD 01   à Same as AT+DATAUP=1
	779	+==== **Manually trigger an Uplink** ====
868	868
	781	+Ask device to send an uplink immediately.
869	869
870		-==== Manually trigger an Uplink ====
	783	+* **AT Command:**
871	871
872		-Ask device to send an uplink immediately.
	785	+No AT Command for this, user can press the [[ACT button>>path:#H3.7Buttons]] for 1 second for the same.
873	873
874		-* Downlink Payload:
875	875
876		-0x08 FF, RS485-BL will immediately send an uplink.
	788	+* **Downlink Payload:**
877	877
	790	+**0x08 FF**, RS485-LN will immediately send an uplink.
878	878
879		-==== Clear RS485 Command ====
880	880
881		-The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
882	882
	794	+==== **Clear RS485 Command** ====
883	883
884		-* AT Command:
	796	+The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
885	885
	798	+* **AT Command:**
	799	+
886	886	**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
887	887
888	888	Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
...	...	@@ -890,43 +890,50 @@
890	890	Example screen shot after clear all RS485 commands.
891	891
892	892
893		-
894	894	The uplink screen shot is:
895	895
896		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
	809	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1654160691922-496.png?rev=1.1||alt="1654160691922-496.png"]]
897	897
898	898
899		-* Downlink Payload:
	812	+* **Downlink Payload:**
900	900
901		-0x09 aa bb same as AT+CMDEAR=aa,bb
	814	+**0x09 aa bb** same as AT+CMDEAR=aa,bb
902	902
903	903
904		-==== Set Serial Communication Parameters ====
905	905
	818	+==== **Set Serial Communication Parameters** ====
	819	+
906	906	Set the Rs485 serial communication parameters:
907	907
908		-* AT Command:
	822	+* **AT Command:**
909	909
910	910	Set Baud Rate:
911	911
912		-AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
	826	+(% class="box infomessage" %)
	827	+(((
	828	+**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
	829	+)))
913	913
	831	+Set UART Parity
914	914
915		-Set UART parity
	833	+(% class="box infomessage" %)
	834	+(((
	835	+**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
	836	+)))
916	916
917		-AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
918		-
919		-
920	920	Set STOPBIT
921	921
922		-AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
	840	+(% class="box infomessage" %)
	841	+(((
	842	+**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
	843	+)))
923	923
924	924
925		-* Downlink Payload:
	846	+* **Downlink Payload:**
926	926
927		-A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
	848	+**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
928	928
929		-Example:
	850	+**Example:**
930	930
931	931	* A7 01 00 60   same as AT+BAUDR=9600
932	932	* A7 01 04 80  same as AT+BAUDR=115200
...	...	@@ -936,189 +936,167 @@
936	936	A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
937	937
938	938
939		-==== Control output power duration ====
	860	+== 3.6 Listening mode for RS485 network ==
940	940
941		-User can set the output power duration before each sampling.
	862	+This feature support since firmware v1.4
942	942
943		-* AT Command:
	864	+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.
944	944
945		-Example:
	866	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220602171200-8.png?width=1007&height=567&rev=1.1||alt="image-20220602171200-8.png" height="567" width="1007"]]
946	946
947		-AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
	868	+To enable the listening mode, use can run the command AT+RXMODE.
948	948
949		-AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
950	950
	871	+(% border="1" style="background-color:#ffffcc; width:500px" %)
	872	+|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
	873	+|(% 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.
	874	+|(% 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
	875	+|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
	876	+|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
951	951
952		-* LoRaWAN Downlink Command:
	878	+**Downlink Command:**
953	953
954		-07 01 aa bb  Same as AT+5VT=(aa bb)
	880	+**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
955	955
956		-07 02 aa bb  Same as AT+3V3T=(aa bb)
957	957
	883	+**Example**:
958	958
	885	+The RS485-LN is set to AT+RXMODE=2,1000
959	959
	887	+There is a two Modbus commands in the RS485 network as below:
960	960
961		-1.
962		-11. Buttons
	889	+The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
963	963
964		-|**Button**|**Feature**
965		-|**RST**|Reboot RS485-BL
	891	+And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
966	966
967		-1.
968		-11. +3V3 Output
	893	+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
969	969
970		-RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
	895	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220602171200-9.png?rev=1.1||alt="image-20220602171200-9.png"]]
971	971
972		-The +3V3 output will be valid for every sampling. RS485-BL will enable +3V3 output before all sampling and disable the +3V3 after all sampling.
973	973
	898	+(% 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.
974	974
975		-The +3V3 output time can be controlled by AT Command.
976	976
977		-**AT+3V3T=1000**
	901	+== 3.7 Buttons ==
978	978
979		-Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
980	980
	904	+(% border="1" style="background-color:#f7faff; width:500px" %)
	905	+|=**Button**|=(% style="width: 1420px;" %)**Feature**
	906	+|**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**
	907	+|**RST**|(% style="width:1420px" %)Reboot RS485
	908	+|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>path:#H6.1Howtoupgradetheimage3F]]
981	981
982		-By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
	910	+== 3.8 LEDs ==
983	983
	912	+(% border="1" style="background-color:#f7faff; width:500px" %)
	913	+|=**LEDs**|=**Feature**
	914	+|**PWR**|Always on if there is power
	915	+|**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.
984	984
985		-1.
986		-11. +5V Output
	917	+= 4. Case Study =
987	987
988		-RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
	919	+User can check this URL for some case studies: [[APP RS485 COMMUNICATE WITH SENSORS>>path:/xwiki/bin/view/Main/Application%20Note%20%3A%20Communicate%20with%20Different%20Sensors%20-----%20RS485-LN%20%20RS485-BL/]]
989	989
990		-The +5V output will be valid for every sampling. RS485-BL will enable +5V output before all sampling and disable the +5v after all sampling.
991	991
	922	+= 5. Use AT Command =
992	992
993		-The 5V output time can be controlled by AT Command.
	924	+== 5.1 Access AT Command ==
994	994
995		-**AT+5VT=1000**
	926	+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.
996	996
997		-Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
	928	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1654162355560-817.png?rev=1.1||alt="1654162355560-817.png"]]
998	998
999	999
1000		-By default, the AT+5VT=0. If the external sensor which require 5v and require more time to get stable state, user can use this command to increase the power ON duration for this sensor.
	931	+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:
1001	1001
	933	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1654162368066-342.png?rev=1.1||alt="1654162368066-342.png"]]
1002	1002
1003	1003
	936	+More detail AT Command manual can be found at [[AT Command Manual>>url:https://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1004	1004
1005		-1.
1006		-11. LEDs
1007	1007
1008		-|**LEDs**|**Feature**
1009		-|**LED1**|Blink when device transmit a packet.
	939	+== 5.2 Common AT Command Sequence ==
1010	1010
1011		-1.
1012		-11. Switch Jumper
	941	+=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1013	1013
1014		-|**Switch Jumper**|**Feature**
1015		-|**SW1**|(((
1016		-ISP position: Upgrade firmware via UART
	943	+If device has not joined network yet:
1017	1017
1018		-Flash position: Configure device, check running status.
	945	+(% class="box infomessage" %)
	946	+(((
	947	+**AT+FDR**
1019	1019	)))
1020		-|**SW2**|(((
1021		-5V position: set to compatible with 5v I/O.
1022	1022
1023		-3.3v position: set to compatible with 3.3v I/O.,
	950	+(% class="box infomessage" %)
	951	+(((
	952	+**AT+NJM=0**
1024	1024	)))
1025	1025
1026		-+3.3V: is always ON
	955	+(% class="box infomessage" %)
	956	+(((
	957	+**ATZ**
	958	+)))
1027	1027
1028		-+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1029	1029
1030		-1. Case Study
	961	+If device already joined network:
1031	1031
1032		-User can check this URL for some case studies.
	963	+(% class="box infomessage" %)
	964	+(((
	965	+**AT+NJM=0**
	966	+)))
1033	1033
1034		-[[http:~~/~~/wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS>>url:http://wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS]]
	968	+(% class="box infomessage" %)
	969	+(((
	970	+**ATZ**
	971	+)))
1035	1035
1036	1036
	974	+=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
1037	1037
1038	1038
1039		-1. Use AT Command
1040		-11. Access AT Command
	977	+(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
1041	1041
1042		-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.
	979	+(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
1043	1043
1044		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
	981	+(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
1045	1045
	983	+(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)Set Data Rate
1046	1046
1047		-In PC, User needs to set **serial tool**(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to **9600** to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference:
	985	+(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
1048	1048
1049		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
	987	+(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
1050	1050
	989	+(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1051	1051
	991	+(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
1052	1052
1053		-More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
	993	+(% 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.
1054	1054
	995	+(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1055	1055
1056	1056
1057		-1.
1058		-11. Common AT Command Sequence
1059		-111. Multi-channel ABP mode (Use with SX1301/LG308)
	998	+(% style="color:red" %)**Note:**
1060	1060
1061		-If device has not joined network yet:
	1000	+(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
	1001	+2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
	1002	+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.
	1003	+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
1062	1062
1063		-AT+FDR
	1005	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1654162478620-421.png?rev=1.1||alt="1654162478620-421.png"]]
1064	1064
1065		-AT+NJM=0
1066	1066
1067		-ATZ
	1008	+= 6. FAQ =
1068	1068
	1010	+== 6.1 How to upgrade the image? ==
1069	1069
1070		-If device already joined network:
	1012	+The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1071	1071
1072		-AT+NJM=0
1073		-
1074		-ATZ
1075		-
1076		-1.
1077		-11.
1078		-111. Single-channel ABP mode (Use with LG01/LG02)
1079		-
1080		-AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1081		-
1082		-AT+NJM=0 Set to ABP mode
1083		-
1084		-AT+ADR=0 Set the Adaptive Data Rate Off
1085		-
1086		-AT+DR=5  Set Data Rate
1087		-
1088		-AT+TDC=60000  Set transmit interval to 60 seconds
1089		-
1090		-AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1091		-
1092		-AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1093		-
1094		-AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1095		-
1096		-AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1097		-
1098		-ATZ          Reset MCU
1099		-
1100		-**Note:**
1101		-
1102		-1. Make sure the device is set to ABP mode in the IoT Server.
1103		-1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1104		-1. 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.
1105		-1. 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
1106		-
1107		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1108		-
1109		-
1110		-1. FAQ
1111		-11. How to upgrade the image?
1112		-
1113		-The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1114		-
1115	1115	* Support new features
1116	1116	* For bug fix
1117	1117	* Change LoRaWAN bands.
1118	1118
1119		-Below shows the hardware connection for how to upload an image to RS485-BL:
	1018	+Below shows the hardware connection for how to upload an image to RS485-LN:
1120	1120
1121		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
	1020	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1654162535040-878.png?rev=1.1||alt="1654162535040-878.png"]]
1122	1122
1123	1123	**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]].
1124	1124
...	...	@@ -1126,84 +1126,77 @@
1126	1126
1127	1127	**Step3: **Open flashloader; choose the correct COM port to update.
1128	1128
1129		-
1130		-|(((
1131		-HOLD PRO then press the RST button, SYS will be ON, then click next
	1028	+(((
	1029	+(% 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.
1132	1132	)))
1133	1133
1134		-|(((
1135		-Board detected
1136		-)))
1137	1137
1138		-|(((
1139		-
1140		-)))
	1033	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220602175818-12.png?rev=1.1||alt="image-20220602175818-12.png"]]
1141	1141
1142		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image032.png]]
1143	1143
	1036	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220602175848-13.png?rev=1.1||alt="image-20220602175848-13.png"]]
1144	1144
1145	1145
1146		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image033.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image034.png]]
	1039	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220602175912-14.png?rev=1.1||alt="image-20220602175912-14.png"]]
1147	1147
1148	1148
1149		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image035.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.png]]
	1042	+**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1150	1150
	1044	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220602175638-10.png?rev=1.1||alt="image-20220602175638-10.png"]]
1151	1151
1152		-1.
1153		-11. How to change the LoRa Frequency Bands/Region?
1154	1154
1155		-User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
	1047	+== 6.2 How to change the LoRa Frequency Bands/Region? ==
1156	1156
	1049	+User can follow the introduction for [[how to upgrade image>>path:#H6.1Howtoupgradetheimage3F]]. When download the images, choose the required image file for download.
1157	1157
1158	1158
1159		-1.
1160		-11. How many RS485-Slave can RS485-BL connects?
	1052	+== 6.3 How many RS485-Slave can RS485-BL connects? ==
1161	1161
1162		-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>>path:#downlink_A8]].
	1054	+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>>path:#H3.3.3Configurereadcommandsforeachsampling]].
1163	1163
1164	1164
	1057	+== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1165	1165
	1059	+When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1166	1166
1167		-1. Trouble Shooting
1168		-11. Downlink doesn’t work, how to solve it?
	1061	+Detail info check this link: [[Set Packet Receiving Response Level>>path:/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H7.23SetPacketReceivingResponseLevel]]
1169	1169
1170		-Please see this link for debug:
1171	1171
1172		-[[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug>>url:http://wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug]]
	1064	+= 7. Trouble Shooting =
1173	1173
	1066	+== 7.1 Downlink doesn’t work, how to solve it? ==
1174	1174
	1068	+Please see this link for debug: [[LoRaWAN Communication Debug>>path:/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/]]
1175	1175
1176		-1.
1177		-11. Why I can’t join TTN V3 in US915 /AU915 bands?
1178	1178
1179		-It might about the channels mapping. Please see for detail.
	1071	+== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1180	1180
1181		-[[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band]]
	1073	+It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>path:/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H2.NoticeofUS9152FCN4702FAU915Frequencyband]]
1182	1182
1183	1183
	1076	+= 8. Order Info =
1184	1184
1185		-1. Order Info
	1078	+(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1186	1186
1187		-**Part Number: RS485-BL-XXX**
	1080	+(% style="color:blue" %)**XXX:**
1188	1188
1189		-**XXX:**
	1082	+* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
	1083	+* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
	1084	+* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
	1085	+* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
	1086	+* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
	1087	+* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
	1088	+* (% style="color:blue" %)**US915**(%%): frequency bands US915
	1089	+* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
	1090	+* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
	1091	+* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1190	1190
1191		-* **EU433**: frequency bands EU433
1192		-* **EU868**: frequency bands EU868
1193		-* **KR920**: frequency bands KR920
1194		-* **CN470**: frequency bands CN470
1195		-* **AS923**: frequency bands AS923
1196		-* **AU915**: frequency bands AU915
1197		-* **US915**: frequency bands US915
1198		-* **IN865**: frequency bands IN865
1199		-* **RU864**: frequency bands RU864
1200		-* **KZ865: **frequency bands KZ865
	1093	+= 9.Packing Info =
1201	1201
1202		-1. Packing Info
1203	1203
1204	1204	**Package Includes**:
1205	1205
1206		-* RS485-BL x 1
	1098	+* RS485-LN x 1
1207	1207	* Stick Antenna for LoRa RF part x 1
1208	1208	* Program cable x 1
1209	1209
...	...	@@ -1214,9 +1214,32 @@
1214	1214	* Package Size / pcs : 14.5 x 8 x 5 cm
1215	1215	* Weight / pcs : 170g
1216	1216
1217		-1. Support
	1109	+= 10. FCC Caution for RS485LN-US915 =
1218	1218
1219		-* 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.
1220		-* 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
	1111	+Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1221	1221
1222		-[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
	1113	+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.
	1114	+
	1115	+
	1116	+**IMPORTANT NOTE:**
	1117	+
	1118	+**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:
	1119	+
	1120	+—Reorient or relocate the receiving antenna.
	1121	+
	1122	+—Increase the separation between the equipment and receiver.
	1123	+
	1124	+—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
	1125	+
	1126	+—Consult the dealer or an experienced radio/TV technician for help.
	1127	+
	1128	+
	1129	+**FCC Radiation Exposure Statement:**
	1130	+
	1131	+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.
	1132	+
	1133	+
	1134	+= 11. Support =
	1135	+
	1136	+* 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.
	1137	+* 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]].

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