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

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Details

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

Content

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1		-(% style="text-align:center" %)
2		-[[image:1653266934636-343.png||height="385" width="385"]]
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5	5
6		-**RS485-LN – RS485 to LoRaWAN Converter User Manual**
7	7
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9	9	**Table of Contents:**
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	22	+{{toc/}}
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15	15	= 1.Introduction =
16	16
17	17	== 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
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18	18
19	19	(((
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21	21	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.
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25	25	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.
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29	29	(% style="color:blue" %)**For data uplink**(%%), RS485-LN sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-LN will process these returns according to user-define rules to get the final payload and upload to LoRaWAN server.
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33	33	(% style="color:blue" %)**For data downlink**(%%), RS485-LN runs in LoRaWAN Class C. When there downlink commands from LoRaWAN server, RS485-LN will forward the commands from LoRaWAN server to RS485 devices.
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34	34
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35	35	(% 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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38	38
39		-[[image:1653267211009-519.png||height="419" width="724"]]
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40	40
41	41
42	42	== 1.2 Specifications ==
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74	74	* Preamble detection.
75	75	* 127 dB Dynamic Range RSSI.
76	76	* Automatic RF Sense and CAD with ultra-fast AFC.
77		-* Packet engine up to 256 bytes with CRC.
	112	+* Packet engine up to 256 bytes with CRC
78	78
79	79
80		-
81	81	== 1.3 Features ==
82	82
83	83	* LoRaWAN Class A & Class C protocol (default Class C)
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90	90	* Support Interrupt uplink (Since hardware version v1.2)
91	91
92	92
93		-
94	94	== 1.4 Applications ==
95	95
96	96	* Smart Buildings & Home Automation
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101	101	* Smart Factory
102	102
103	103
104		-
105	105	== 1.5 Firmware Change log ==
106	106
107	107	[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
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114	114	v1.2: Add External Interrupt Pin.
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116	116	v1.0: Release
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131	131	Once there is power, the RS485-LN will be on.
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134		-[[image:1653268091319-405.png]]
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141	141	== 3.1 How it works? ==
142	142
143	143	(((
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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.
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150	150
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.
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153		-[[image:1653268155545-638.png||height="334" width="724"]]
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156	156	The RS485-LN in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method. The connection is as below:
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158	158	485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
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159	159
160		-[[image:1653268227651-549.png||height="592" width="720"]]
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162	162	(((
163		-The LG308 is already set to connect to [[TTN V3 network >>path:eu1.cloud.thethings.network/]]. So what we need to now is only configure the TTN V3:
	207	+The LG308 is already set to connect to [[TTN V3 network >>path:https://www.thethingsnetwork.org/]]. So what we need to now is only configure the TTN V3:
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167		-**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
	211	+(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN.
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175		-[[image:1652953462722-299.png]]
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177	177	(((
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179	179	User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
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183		-Add APP EUI in the application.
	228	+**Add APP EUI in the application.**
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187		-[[image:image-20220519174512-1.png]]
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189		-[[image:image-20220519174512-2.png||height="323" width="720"]]
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191		-[[image:image-20220519174512-3.png||height="556" width="724"]]
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193		-[[image:image-20220519174512-4.png]]
	238	+(% 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" %)​
194	194
195	195	You can also choose to create the device manually.
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197		-[[image:1652953542269-423.png||height="710" width="723"]]
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198	198
199		-Add APP KEY and DEV EUI
200	200
201		-[[image:1652953553383-907.png||height="514" width="724"]]
202	202
	246	+**Add APP KEY and DEV EUI**
203	203
	248	+(% 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" %)​
	249	+
	250	+
204	204	(((
205		-**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.
	252	+(% 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.
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208		-[[image:1652953568895-172.png||height="232" width="724"]]
	255	+(% 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" %)​
209	209
	257	+
210	210	== 3.3 Configure Commands to read data ==
211	211
212	212	(((
213	213	(((
214		-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:#AT_COMMAND]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
	262	+(((
	263	+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.
215	215	)))
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217	217	(((
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218	218	(% 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
219	219	)))
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221	221
222	222	=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
223	223
224	224	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:
225	225
226		-(% border="1" style="background-color:#ffffcc; color:green; width:795px" %)
227		-|(((
	280	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	281	+|=(% style="width: 110px;" %)(((
228	228	**AT Commands**
229		-)))|(% style="width:285px" %)(((
	283	+)))|=(% style="width: 190px;" %)(((
230	230	**Description**
231		-)))|(% style="width:347px" %)(((
	285	+)))|=(% style="width: 190px;" %)(((
232	232	**Example**
233	233	)))
234		-|(((
	288	+|(% style="width:110px" %)(((
235	235	AT+BAUDR
236		-)))|(% style="width:285px" %)(((
	290	+)))|(% style="width:190px" %)(((
237	237	Set the baud rate (for RS485 connection). Default Value is: 9600.
238		-)))|(% style="width:347px" %)(((
	292	+)))|(% style="width:190px" %)(((
239	239	(((
240	240	AT+BAUDR=9600
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244	244	Options: (1200,2400,4800,14400,19200,115200)
245	245	)))
246	246	)))
247		-|(((
	301	+|(% style="width:110px" %)(((
248	248	AT+PARITY
249		-)))|(% style="width:285px" %)(((
	303	+)))|(% style="width:190px" %)(((
250	250	Set UART parity (for RS485 connection)
251		-)))|(% style="width:347px" %)(((
	305	+)))|(% style="width:190px" %)(((
252	252	(((
253	253	AT+PARITY=0
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257	257	Option: 0: no parity, 1: odd parity, 2: even parity
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259	259	)))
260		-|(((
	314	+|(% style="width:110px" %)(((
261	261	AT+STOPBIT
262		-)))|(% style="width:285px" %)(((
	316	+)))|(% style="width:190px" %)(((
263	263	(((
264	264	Set serial stopbit (for RS485 connection)
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267	267	(((
268	268
269	269	)))
270		-)))|(% style="width:347px" %)(((
	324	+)))|(% style="width:190px" %)(((
271	271	(((
272	272	AT+STOPBIT=0 for 1bit
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281	281	)))
282	282	)))
283	283
	338	+
	339	+
	340	+
284	284	=== 3.3.2 Configure sensors ===
285	285
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289	289	)))
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291	291
292		-(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
293		-|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
294		-|AT+CFGDEV|(% style="width:418px" %)(((
295		-This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
296		-
297		-AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
298		-
299		-mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
300		-)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
301		-
302		-=== 3.3.3 Configure read commands for each sampling ===
303		-
	349	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	350	+|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
	351	+|AT+CFGDEV|(% style="width:110px" %)(((
304	304	(((
305		-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.
	353	+This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
306	306	)))
307	307
308	308	(((
309		-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.
	357	+AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
310	310	)))
311	311
312	312	(((
313		-To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
	361	+mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
314	314	)))
	363	+)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
315	315
316		-(((
317		-This section describes how to achieve above goals.
318		-)))
319	319
320		-(((
321		-During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
322		-)))
323	323
324		-(((
325		-**Command from RS485-BL to Sensor:**
326		-)))
327	327
328		-(((
329		-RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar.
330		-)))
331	331
332		-(((
333		-**Handle return from sensors to RS485-BL**:
334		-)))
	369	+=== 3.3.3 Configure read commands for each sampling ===
335	335
336	336	(((
337		-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**
338		-)))
	372	+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.
339	339
340		-* (((
341		-**AT+DATACUT**
342		-)))
	374	+To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
343	343
344		-(((
345		-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.
346		-)))
	376	+This section describes how to achieve above goals.
347	347
348		-* (((
349		-**AT+SEARCH**
350		-)))
	378	+During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
351	351
352		-(((
353		-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.
354		-)))
355	355
356		-(((
357		-**Define wait timeout:**
358		-)))
	381	+(% style="color:#037691" %)**Each RS485 commands include two parts:**
359	359
360		-(((
361		-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
362		-)))
	383	+~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.
363	363
364		-(((
365		-After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
366		-)))
	385	+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.
367	367
368		-**Examples:**
	387	+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
	389	+
	390	+After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
	391	+
370	370	Below are examples for the how above AT Commands works.
371	371
372		-**AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
373	373
374		-(% border="1" class="table-bordered" %)
375		-|(((
376		-**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	395	+(% 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:
377	377
	397	+(% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
	398	+|(% style="width:496px" %)(((
	399	+(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	400	+
378	378	**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
379	379
380	380	**m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command**
381	381	)))
382	382
383		-(((
384	384	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.
385		-)))
386	386
387		-(((
388		-In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
389		-)))
	408	+In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
390	390
391		-(((
392		-**AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
393		-)))
394	394
395		-(% border="1" class="table-bordered" %)
396		-|(((
397		-**AT+SEARCHx=aa,xx xx xx xx xx**
	411	+(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
398	398
399		-* **aa: 1: prefix match mode; 2: prefix and suffix match mode**
400		-* **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
401		-
402		-
403		-)))
404		-
405		-**Examples:**
406		-
407		-~1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
408		-
409		-If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
410		-
411		-The valid data will be all bytes after 1E 56 34 , so it is (% style="background-color:yellow" %)** 2e 30 58 5f 36 41 30 31 00 49**
412		-
413		-[[image:1653269403619-508.png]]
414		-
415		-2. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
416		-
417		-If we set AT+SEARCH1=2, 1E 56 34+31 00 49
418		-
419		-Device will search the bytes between 1E 56 34 and 31 00 49. So it is (% style="background-color:yellow" %)** 2e 30 58 5f 36 41 30**
420		-
421		-[[image:1653269438444-278.png]]
422		-
423		-**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
424		-
425		-|(((
	413	+(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
	414	+|(% style="width:510px" %)(((
426	426	**AT+DATACUTx=a,b,c**
427	427
428	428	* **a: length for the return of AT+COMMAND**
...	...	@@ -430,48 +430,38 @@
430	430	* **c: define the position for valid value.  **
431	431	)))
432	432
433		-Examples:
	422	+**Examples:**
434	434
435		-* Grab bytes:
	424	+* (% style="color:#037691" %)**Grab bytes**
436	436
437		-[[image:1653269551753-223.png||height="311" width="717"]]
	426	+(% 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" %)​
438	438
439		-* Grab a section.
440	440
441		-[[image:1653269568276-930.png||height="325" width="718"]]
	429	+* (% style="color:#037691" %)**Grab a section**
442	442
443		-* Grab different sections.
	431	+(% 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" %)​
444	444
445		-[[image:1653269593172-426.png||height="303" width="725"]]
446	446
447		-(% style="color:red" %)**Note:**
	434	+* (% style="color:#037691" %)**Grab different sections**
448	448
449		-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.
	436	+(% 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" %)​
450	450
451		-Example:
452	452
453		-(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
	439	+
	440	+)))
454	454
455		-(% style="color:red" %)AT+SEARCH1=1,1E 56 34
456		-
457		-(% style="color:red" %)AT+DATACUT1=0,2,1~~5
458		-
459		-(% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
460		-
461		-(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
462		-
463		-(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
464		-
465		-[[image:1653269618463-608.png]]
466		-
467	467	=== 3.3.4 Compose the uplink payload ===
468	468
469	469	(((
470	470	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.**
	446	+
	447	+
471	471	)))
472	472
473	473	(((
474		-(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0**
	451	+(% style="color:#037691" %)**Examples: AT+DATAUP=0**
	452	+
	453	+
475	475	)))
476	476
477	477	(((
...	...	@@ -490,10 +490,12 @@
490	490	Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
491	491	)))
492	492
493		-[[image:1653269759169-150.png||height="513" width="716"]]
	472	+(% 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" %)​
494	494
495		-(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1**
496	496
	475	+(% style="color:#037691" %)**Examples: AT+DATAUP=1**
	476	+
	477	+
497	497	Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
498	498
499	499	Final Payload is
...	...	@@ -500,687 +500,928 @@
500	500
501	501	(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
502	502
503		-1. Battery Info (2 bytes): Battery voltage
504		-1. PAYVER (1 byte): Defined by AT+PAYVER
505		-1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
506		-1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
507		-1. DATA: Valid value: max 6 bytes(US915 version here, Notice*!) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes
508	508
509		-[[image:1653269916228-732.png||height="433" width="711"]]
	485	+1. PAYVER: Defined by AT+PAYVER
	486	+1. PAYLOAD COUNT: Total how many uplinks of this sampling.
	487	+1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
	488	+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
510	510
	490	+(% 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" %)​
511	511
512		-So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
513	513
514		-DATA1=RETURN1 Valid Value = (% style="background-color:green; color:white" %)20 20 0a 33 90 41
	493	+So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
515	515
516		-DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10=(% style="background-color:green; color:white" %) 02 aa 05 81 0a 20
	495	+DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa**
517	517
518		-DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = (% style="background-color:green; color:white" %)20 20 20 2d 30
	497	+DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d**
519	519
520		-Below are the uplink payloads:
	499	+DATA3=the rest of Valid value of RETURN10= **30**
521	521
522		-[[image:1653270130359-810.png]]
523	523
	502	+(% 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:
524	524
525		-(% style="color:red" %)**Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:**
	504	+ ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
526	526
527		- ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
	506	+ * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
528	528
529		- * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
	508	+ * For US915 band, max 11 bytes for each uplink.
530	530
531		- * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
	510	+ ~* For all other bands: max 51 bytes for each uplink.
532	532
533		- ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
534	534
535		-=== 3.3.5 Uplink on demand ===
	513	+Below are the uplink payloads:
536	536
537		-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.
	515	+(% 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" %)​
538	538
539		-Downlink control command:
540	540
541		-[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
542	542
543		-[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
	519	+=== 3.3.5 Uplink on demand ===
544	544
	521	+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.
545	545
	523	+Downlink control command:
546	546
547		-1.
548		-11.
549		-111. Uplink on Interrupt
	525	+**0x08 command**: Poll an uplink with current command set in RS485-LN.
550	550
551		-Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
	527	+**0xA8 command**: Send a command to RS485-LN and uplink the output from sensors.
552	552
553		-AT+INTMOD=0  Disable Interrupt
554	554
555		-AT+INTMOD=1  Interrupt trigger by rising or falling edge.
556	556
557		-AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
	531	+=== 3.3.6 Uplink on Interrupt ===
558	558
559		-AT+INTMOD=3  Interrupt trigger by rising edge.
	533	+RS485-LN support external Interrupt uplink since hardware v1.2 release.
560	560
	535	+(% 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" %)​
561	561
562		-1.
563		-11. Uplink Payload
	537	+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.
564	564
565		-|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
566		-|Value|(((
567		-Battery(mV)
568	568
569		-&
	540	+== 3.4 Uplink Payload ==
570	570
571		-Interrupt _Flag
572		-)))|(((
573		-PAYLOAD_VER
574	574
575		-
576		-)))|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.
	543	+(% 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" %)​
577	577
578	578	Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
579	579
580	580
581		-function Decoder(bytes, port) {
	548	+== 3.5 Configure RS485-LN via AT or Downlink ==
582	582
583		-~/~/Payload Formats of RS485-BL Deceive
	550	+(((
	551	+User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
	552	+)))
584	584
585		-return {
	554	+(((
	555	+There are two kinds of Commands:
	556	+)))
586	586
587		- ~/~/Battery,units:V
	558	+* (((
	559	+(% 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]]
	560	+)))
588	588
589		- BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
	562	+* (((
	563	+(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
	564	+)))
590	590
591		- ~/~/GPIO_EXTI
	566	+(((
	567	+
	568	+)))
592	592
593		- EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
594	594
595		- ~/~/payload of version
	571	+=== 3.5.1 Common Commands ===
596	596
597		- Pay_ver:bytes[2],
	573	+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]]
598	598
599		- };
600	600
601		- }
	576	+=== 3.5.2 Sensor related commands ===
602	602
	578	+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.
603	603
	580	+(% 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"]](% style="background:url(~"http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png~") rgba(220, 220, 220, 0.5); left:0px; top:-15px" %)[[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" %)​
604	604
	582	+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)
605	605
606	606
	585	+=== 3.5.3 Sensor related commands ===
607	607
608	608
609		-TTN V3 uplink screen shot.
610	610
611		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
612	612
613		-1.
614		-11. Configure RS485-BL via AT or Downlink
	590	+==== (% style="color:#037691" %)**RS485 Debug Command**(%%) ====
615	615
616		-User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
	592	+(((
	593	+This command is used to configure the RS485 devices; they won’t be used during sampling.
	594	+)))
617	617
618		-There are two kinds of Commands:
	596	+* (((
	597	+(% style="color:#037691" %)**AT Command**
619	619
620		-* **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
	599	+(((
	600	+**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
	601	+)))
	602	+)))
621	621
622		-* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
	604	+(((
	605	+
	606	+)))
623	623
624		-1.
625		-11.
626		-111. Common Commands:
	608	+* (((
	609	+(% style="color:#037691" %)**Downlink Payload**
	610	+)))
627	627
628		-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]]
	612	+(((
	613	+Format: A8 MM NN XX XX XX XX YY
	614	+)))
629	629
	616	+(((
	617	+Where:
	618	+)))
630	630
631		-1.
632		-11.
633		-111. Sensor related commands:
	620	+* (((
	621	+MM: 1: add CRC-16/MODBUS ; 0: no CRC
	622	+)))
	623	+* (((
	624	+NN: The length of RS485 command
	625	+)))
	626	+* (((
	627	+XX XX XX XX: RS485 command total NN bytes
	628	+)))
	629	+* (((
	630	+(((
	631	+YY: How many bytes will be uplink from the return of this RS485 command,
	632	+)))
634	634
635		-==== Choose Device Type (RS485 or TTL) ====
	634	+* (((
	635	+if YY=0, RS485-LN will execute the downlink command without uplink;
	636	+)))
	637	+* (((
	638	+if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
	639	+)))
	640	+* (((
	641	+if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
	642	+)))
	643	+)))
636	636
637		-RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
	645	+(((
	646	+
638	638
639		-* AT Command
	648	+**Example 1**  ~-~-> Configure without ask for uplink (YY=0)
	649	+)))
640	640
641		-**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
	651	+(((
	652	+To connect a Modbus Alarm with below commands.
	653	+)))
642	642
643		-**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
	655	+* (((
	656	+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.
	657	+)))
644	644
	659	+* (((
	660	+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.
	661	+)))
645	645
646		-* Downlink Payload
	663	+(((
	664	+
647	647
648		-**0A aa**     à same as AT+MOD=aa
	666	+So if user want to use downlink command to control to RS485 Alarm, he can use:
	667	+)))
649	649
	669	+(((
	670	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
	671	+)))
650	650
	673	+(((
	674	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
	675	+)))
651	651
652		-==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
	677	+(((
	678	+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.
	679	+)))
653	653
654		-This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
	681	+(((
	682	+
	683	+)))
655	655
656		-* AT Command
	685	+(((
	686	+**Example 2**  ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
	687	+)))
657	657
658		-AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
	689	+(((
	690	+User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
	691	+)))
659	659
660		-m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
	693	+(((
	694	+
	695	+)))
661	661
	697	+(((
	698	+(((
	699	+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**
	700	+)))
662	662
	702	+
	703	+)))
663	663
664		-* Downlink Payload
	705	+(((
	706	+ (% 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" %)​
	707	+)))
665	665
666		-Format: A8 MM NN XX XX XX XX YY
667	667
668		-Where:
669	669
670		-* MM: 1: add CRC-16/MODBUS ; 0: no CRC
671		-* NN: The length of RS485 command
672		-* XX XX XX XX: RS485 command total NN bytes
673		-* 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
674	674
675		-**Example 1:**
	712	+==== (% style="color:blue" %)**Set Payload version**(%%) ====
676	676
677		-To connect a Modbus Alarm with below commands.
	714	+(((
	715	+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.
	716	+)))
678	678
679		-* 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.
	718	+* (((
	719	+(% style="color:#037691" %)**AT Command:**
680	680
681		-* 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.
	721	+**AT+PAYVER:    **Set PAYVER field = 1
682	682
683		-So if user want to use downlink command to control to RS485 Alarm, he can use:
	723	+
	724	+)))
	725	+* (((
	726	+(% style="color:#037691" %)**Downlink Payload:**
	727	+)))
684	684
685		-**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
	729	+(((
	730	+**0xAE 01**  ~-~->  Set PAYVER field =  0x01
	731	+)))
686	686
687		-**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
	733	+(((
	734	+**0xAE 0F**   ~-~->  Set PAYVER field =  0x0F
	735	+)))
688	688
689		-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.
690	690
691	691
692		-**Example 2:**
693	693
694		-Check TTL Sensor return:
	740	+==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
695	695
696		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
	742	+(((
	743	+AT+COMMANDx or AT+DATACUTx
	744	+)))
697	697
	746	+(((
	747	+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"]].
	748	+)))
698	698
	750	+(((
	751	+
	752	+)))
699	699
	754	+* (((
	755	+(% style="color:#037691" %)**AT Command:**
	756	+)))
700	700
701		-==== Set Payload version ====
	758	+**AT+COMMANDx:    **Configure RS485 read command to sensor.
702	702
703		-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.
	760	+**AT+DATACUTx:        **Configure how to handle return from RS485 devices.
704	704
705		-* AT Command:
706	706
707		-AT+PAYVER: Set PAYVER field = 1
	763	+* (((
	764	+(% style="color:#037691" %)**Downlink Payload:**
	765	+)))
708	708
	767	+(((
	768	+**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	769	+)))
709	709
710		-* Downlink Payload:
	771	+(((
	772	+(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	773	+)))
711	711
712		-0xAE 01   à Set PAYVER field =  0x01
	775	+(((
	776	+Format: AF MM NN LL XX XX XX XX YY
	777	+)))
713	713
714		-0xAE 0F   à Set PAYVER field =  0x0F
	779	+(((
	780	+Where:
	781	+)))
715	715
	783	+* (((
	784	+MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
	785	+)))
	786	+* (((
	787	+NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
	788	+)))
	789	+* (((
	790	+LL:  The length of AT+COMMAND or AT+DATACUT command
	791	+)))
	792	+* (((
	793	+XX XX XX XX: AT+COMMAND or AT+DATACUT command
	794	+)))
	795	+* (((
	796	+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.
	797	+)))
716	716
717		-==== Set RS485 Sampling Commands ====
	799	+(((
	800	+
718	718
719		-AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
	802	+**Example:**
	803	+)))
720	720
721		-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]].
	805	+(((
	806	+(% 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
	807	+)))
722	722
	809	+(((
	810	+(% 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**
	811	+)))
723	723
724		-* AT Command:
	813	+(((
	814	+(% 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**
	815	+)))
725	725
726		-AT+COMMANDx: Configure RS485 read command to sensor.
727	727
728		-AT+DATACUTx: Configure how to handle return from RS485 devices.
729	729
730		-AT+SEARCHx: Configure search command
731	731
	820	+==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
732	732
733		-* Downlink Payload:
	822	+(((
	823	+**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]].
	824	+)))
734	734
735		-0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	826	+(((
	827	+This command is valid since v1.3 firmware version
	828	+)))
736	736
737		-Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	830	+(((
	831	+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.
	832	+)))
738	738
739		-Format: AF MM NN LL XX XX XX XX YY
	834	+(((
	835	+
	836	+)))
740	740
741		-Where:
	838	+(((
	839	+**Example:**
	840	+)))
742	742
743		-* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
744		-* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
745		-* LL: The length of AT+COMMAND or AT+DATACUT command
746		-* XX XX XX XX: AT+COMMAND or AT+DATACUT command
747		-* 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.
	842	+* (((
	843	+AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2  are not configure (0,0,0). So RS485-LN.
	844	+)))
	845	+* (((
	846	+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.
	847	+)))
	848	+* (((
	849	+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.
748	748
749		-Example:
	851	+
	852	+)))
750	750
751		-**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
	854	+(% 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" %)​
752	752
753		-**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
	856	+(% 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" %)​
754	754
755		-**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
756	756
757	757
758		-0xAB downlink command can be used for set AT+SEARCHx
759	759
760		-Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
	861	+==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
761	761
762		-* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
763		-* 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
	863	+(((
	864	+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.
	865	+)))
764	764
765		-**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
	867	+(((
	868	+Default value: 0, range:  0 ~~ 65 seconds
	869	+)))
766	766
	871	+* (((
	872	+(% style="color:#037691" %)** AT Command:**
767	767
768		-==== Fast command to handle MODBUS device ====
	874	+**AT+CMDDLaa=hex(bb cc)*1000**
	875	+)))
769	769
770		-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]].
	877	+(((
	878	+
771	771
772		-This command is valid since v1.3 firmware version
	880	+**Example:**
	881	+)))
773	773
	883	+(((
	884	+**AT+CMDDL1=1000** to send the open time to 1000ms
	885	+)))
774	774
775		-AT+MBFUN has only two value:
	887	+(((
	888	+
	889	+)))
776	776
777		-* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
	891	+* (((
	892	+(% style="color:#037691" %)** Downlink Payload:**
	893	+)))
778	778
779		-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.
	895	+(((
	896	+**0x AA aa bb cc**
	897	+)))
780	780
781		-* AT+MBFUN=0: Disable Modbus fast reading.
	899	+(((
	900	+Same as: AT+CMDDLaa=hex(bb cc)*1000
	901	+)))
782	782
783		-Example:
	903	+(((
	904	+**Example:**
	905	+)))
784	784
785		-* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
786		-* 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.
787		-* 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.
	907	+(((
	908	+**0xAA 01 00 01**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
	909	+)))
788	788
789		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
790	790
791	791
792		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
793	793
	914	+==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
794	794
795		-* Downlink Commands:
	916	+(((
	917	+Define to use one uplink or multiple uplinks for the sampling.
	918	+)))
796	796
797		-A9 aa -à Same as AT+MBFUN=aa
	920	+(((
	921	+The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
798	798
	923	+
	924	+)))
799	799
800		-==== RS485 command timeout ====
	926	+* (((
	927	+(% style="color:#037691" %)** AT Command:**
	928	+)))
801	801
802		-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.
	930	+**AT+DATAUP=0**
803	803
804		-Default value: 0, range:  0 ~~ 5 seconds
	932	+**AT+DATAUP=1**
805	805
806	806
807		-* AT Command:
	935	+* (((
	936	+(% style="color:#037691" %)** Downlink Payload:**
	937	+)))
808	808
809		-AT+CMDDLaa=hex(bb cc)
	939	+(((
	940	+**0xAD 00**  **~-~->** Same as AT+DATAUP=0
	941	+)))
810	810
811		-Example:
	943	+(((
	944	+**0xAD 01**  **~-~->** Same as AT+DATAUP=1
	945	+)))
812	812
813		-**AT+CMDDL1=1000** to send the open time to 1000ms
814	814
815	815
816		-* Downlink Payload:
817	817
818		-0x AA aa bb cc
	950	+==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
819	819
820		-Same as: AT+CMDDLaa=hex(bb cc)
	952	+(((
	953	+Ask device to send an uplink immediately.
	954	+)))
821	821
822		- Example:
	956	+* (((
	957	+(% style="color:#037691" %)** AT Command:**
	958	+)))
823	823
824		- 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
	960	+(((
	961	+No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
	962	+)))
825	825
	964	+(((
	965	+
	966	+)))
826	826
827		-==== [[Uplink>>path:#downlink_A8]] payload mode ====
	968	+* (((
	969	+(% style="color:#037691" %)** Downlink Payload:**
	970	+)))
828	828
829		-Define to use one uplink or multiple uplinks for the sampling.
	972	+(((
	973	+**0x08 FF**, RS485-LN will immediately send an uplink.
	974	+)))
830	830
831		-The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
832	832
833		-* AT Command:
834	834
835		-AT+DATAUP=0
836	836
837		-AT+DATAUP=1
	979	+==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
838	838
839		-
840		-* Downlink Payload:
841		-
842		-0xAD 00   à Same as AT+DATAUP=0
843		-
844		-0xAD 01   à Same as AT+DATAUP=1
845		-
846		-
847		-==== Manually trigger an Uplink ====
848		-
849		-Ask device to send an uplink immediately.
850		-
851		-* Downlink Payload:
852		-
853		-0x08 FF, RS485-BL will immediately send an uplink.
854		-
855		-
856		-==== Clear RS485 Command ====
857		-
	981	+(((
858	858	The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
859	859
	984	+
	985	+)))
860	860
861		-* AT Command:
	987	+* (((
	988	+(% style="color:#037691" %)** AT Command:**
	989	+)))
862	862
	991	+(((
863	863	**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
	993	+)))
864	864
	995	+(((
865	865	Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	997	+)))
866	866
	999	+(((
867	867	Example screen shot after clear all RS485 commands.
	1001	+)))
868	868
	1003	+(((
	1004	+
	1005	+)))
869	869
870		-
	1007	+(((
871	871	The uplink screen shot is:
	1009	+)))
872	872
873		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
	1011	+(% 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" %)​
874	874
875	875
876		-* Downlink Payload:
	1014	+* (((
	1015	+(% style="color:#037691" %)** Downlink Payload:**
	1016	+)))
877	877
878		-0x09 aa bb same as AT+CMDEAR=aa,bb
	1018	+(((
	1019	+**0x09 aa bb** same as AT+CMDEAR=aa,bb
	1020	+)))
879	879
880	880
881		-==== Set Serial Communication Parameters ====
882	882
883		-Set the Rs485 serial communication parameters:
884	884
885		-* AT Command:
	1025	+==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
886	886
887		-Set Baud Rate:
	1027	+(((
	1028	+Set the Rs485 serial communication parameters:
	1029	+)))
888	888
889		-AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
	1031	+* (((
	1032	+(% style="color:#037691" %)** AT Command:**
	1033	+)))
890	890
	1035	+(((
	1036	+
891	891
892		-Set UART parity
	1038	+* Set Baud Rate
	1039	+)))
893	893
894		-AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
	1041	+**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
895	895
896	896
897		-Set STOPBIT
	1044	+(((
	1045	+* Set UART Parity
	1046	+)))
898	898
899		-AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
	1048	+**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
900	900
901	901
902		-* Downlink Payload:
	1051	+(((
	1052	+* Set STOPBIT
	1053	+)))
903	903
904		-A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
	1055	+**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
905	905
906		-Example:
907	907
908		-* A7 01 00 60   same as AT+BAUDR=9600
909		-* A7 01 04 80  same as AT+BAUDR=115200
910	910
911		-A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1059	+* (((
	1060	+(% style="color:#037691" %)** Downlink Payload:**
	1061	+)))
912	912
913		-A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1063	+(((
	1064	+**A7 01 aa bb**:  Same  AT+BAUDR=hex(aa bb)*100
	1065	+)))
914	914
	1067	+(((
	1068	+**Example:**
	1069	+)))
915	915
916		-==== Control output power duration ====
	1071	+* (((
	1072	+A7 01 00 60   same as AT+BAUDR=9600
	1073	+)))
	1074	+* (((
	1075	+A7 01 04 80  same as AT+BAUDR=115200
	1076	+)))
917	917
918		-User can set the output power duration before each sampling.
	1078	+(((
	1079	+A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1080	+)))
919	919
920		-* AT Command:
	1082	+(((
	1083	+A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1084	+)))
921	921
922		-Example:
923	923
924		-AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
925	925
926		-AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
927	927
	1089	+== 3.6 Listening mode for RS485 network ==
928	928
929		-* LoRaWAN Downlink Command:
	1091	+(((
	1092	+This feature support since firmware v1.4
	1093	+)))
930	930
931		-07 01 aa bb  Same as AT+5VT=(aa bb)
	1095	+(((
	1096	+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.
	1097	+)))
932	932
933		-07 02 aa bb  Same as AT+3V3T=(aa bb)
	1099	+(% 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" %)​
934	934
	1101	+(((
	1102	+To enable the listening mode, use can run the command AT+RXMODE.
	1103	+)))
935	935
	1105	+(((
	1106	+
	1107	+)))
936	936
	1109	+(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
	1110	+|=(% style="width: 100px;" %)(((
	1111	+**Command example**
	1112	+)))|=(% style="width: 400px;" %)(((
	1113	+**Function**
	1114	+)))
	1115	+|(% style="width:100px" %)(((
	1116	+AT+RXMODE=1,10
	1117	+)))|(% style="width:400px" %)(((
	1118	+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.
	1119	+)))
	1120	+|(% style="width:100px" %)(((
	1121	+AT+RXMODE=2,500
	1122	+)))|(% style="width:400px" %)(((
	1123	+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
	1124	+)))
	1125	+|(% style="width:100px" %)(((
	1126	+AT+RXMODE=0,0
	1127	+)))|(% style="width:400px" %)(((
	1128	+Disable listening mode. This is the default settings.
	1129	+)))
	1130	+|(% style="width:100px" %)(((
	1131	+
	1132	+)))|(% style="width:400px" %)(((
	1133	+A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
	1134	+)))
937	937
938		-1.
939		-11. Buttons
	1136	+(((
	1137	+(% style="color:#037691" %)** Downlink Command:**
	1138	+)))
940	940
941		-|**Button**|**Feature**
942		-|**RST**|Reboot RS485-BL
	1140	+(((
	1141	+**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
	1142	+)))
943	943
944		-1.
945		-11. +3V3 Output
	1144	+(((
	1145	+
	1146	+)))
946	946
947		-RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
	1148	+(((
	1149	+**Example**:
	1150	+)))
948	948
949		-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.
	1152	+(((
	1153	+The RS485-LN is set to AT+RXMODE=2,1000
	1154	+)))
950	950
	1156	+(((
	1157	+There is a two Modbus commands in the RS485 network as below:
	1158	+)))
951	951
952		-The +3V3 output time can be controlled by AT Command.
	1160	+(((
	1161	+The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
	1162	+)))
953	953
954		-**AT+3V3T=1000**
	1164	+(((
	1165	+And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
	1166	+)))
955	955
956		-Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
	1168	+(((
	1169	+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
	1170	+)))
957	957
	1172	+(((
	1173	+(% 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" %)​
	1174	+)))
958	958
959		-By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
	1176	+(((
	1177	+
	1178	+)))
960	960
	1180	+(((
	1181	+(((
	1182	+(% 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.
	1183	+)))
	1184	+)))
961	961
962		-1.
963		-11. +5V Output
964	964
965		-RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
	1187	+== 3.7 Buttons ==
966	966
967		-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.
968	968
	1190	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1191	+|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
	1192	+|(% 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**
	1193	+|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
	1194	+|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
969	969
970		-The 5V output time can be controlled by AT Command.
971	971
972		-**AT+5VT=1000**
	1197	+== 3.8 LEDs ==
973	973
974		-Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
975	975
	1200	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1201	+|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
	1202	+|**PWR**|Always on if there is power
	1203	+|**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.
976	976
977		-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.
978	978
	1206	+= 4. Case Study =
979	979
	1208	+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]]
980	980
981	981
982		-1.
983		-11. LEDs
	1211	+= 5. Use AT Command =
984	984
985		-|**LEDs**|**Feature**
986		-|**LED1**|Blink when device transmit a packet.
	1213	+== 5.1 Access AT Command ==
987	987
988		-1.
989		-11. Switch Jumper
	1215	+(((
	1216	+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.
	1217	+)))
990	990
991		-|**Switch Jumper**|**Feature**
992		-|**SW1**|(((
993		-ISP position: Upgrade firmware via UART
	1219	+(% 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" %)​
994	994
995		-Flash position: Configure device, check running status.
996		-)))
997		-|**SW2**|(((
998		-5V position: set to compatible with 5v I/O.
999	999
1000		-3.3v position: set to compatible with 3.3v I/O.,
	1222	+(((
	1223	+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:
1001	1001	)))
1002	1002
1003		-+3.3V: is always ON
	1226	+(% 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" %)​
1004	1004
1005		-+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1006	1006
1007		-1. Case Study
	1229	+(((
	1230	+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/]]
	1231	+)))
1008	1008
1009		-User can check this URL for some case studies.
1010	1010
1011		-[[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]]
1012	1012
	1235	+== 5.2 Common AT Command Sequence ==
1013	1013
1014	1014
	1238	+=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1015	1015
1016		-1. Use AT Command
1017		-11. Access AT Command
	1240	+If device has not joined network yet:
1018	1018
1019		-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.
	1242	+* (% style="color:#037691" %)**AT+FDR**
	1243	+* (% style="color:#037691" %)**AT+NJM=0**
	1244	+* (% style="color:#037691" %)**ATZ**
1020	1020
1021		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
	1246	+(((
	1247	+
1022	1022
	1249	+If device already joined network:
1023	1023
1024		-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:
	1251	+* (% style="color:#037691" %)**AT+NJM=0**
	1252	+* (% style="color:#037691" %)**ATZ**
1025	1025
1026		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
	1254	+
	1255	+)))
1027	1027
1028	1028
	1258	+=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
1029	1029
1030		-More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
1031	1031
	1261	+(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
1032	1032
	1263	+(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
1033	1033
1034		-1.
1035		-11. Common AT Command Sequence
1036		-111. Multi-channel ABP mode (Use with SX1301/LG308)
	1265	+(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
1037	1037
1038		-If device has not joined network yet:
	1267	+(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
1039	1039
1040		-AT+FDR
	1269	+(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
1041	1041
1042		-AT+NJM=0
	1271	+(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
1043	1043
1044		-ATZ
	1273	+(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1045	1045
	1275	+(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
1046	1046
1047		-If device already joined network:
	1277	+(% 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.
1048	1048
1049		-AT+NJM=0
	1279	+(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1050	1050
1051		-ATZ
1052	1052
1053		-1.
1054		-11.
1055		-111. Single-channel ABP mode (Use with LG01/LG02)
	1282	+(% style="color:red" %)**Note:**
1056	1056
1057		-AT+FDR   Reset Parameters to Factory Default, Keys Reserve
	1284	+(((
	1285	+(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
	1286	+2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
	1287	+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.
	1288	+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
	1289	+)))
1058	1058
1059		-AT+NJM=0 Set to ABP mode
	1291	+(% 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" %)​
1060	1060
1061		-AT+ADR=0 Set the Adaptive Data Rate Off
1062	1062
1063		-AT+DR=5  Set Data Rate
	1294	+= 6. FAQ =
1064	1064
1065		-AT+TDC=60000  Set transmit interval to 60 seconds
	1296	+== 6.1 How to upgrade the image? ==
1066	1066
1067		-AT+CHS=868400000 Set transmit frequency to 868.4Mhz
	1298	+(((
	1299	+The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
	1300	+)))
1068	1068
1069		-AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
	1302	+* (((
	1303	+Support new features
	1304	+)))
	1305	+* (((
	1306	+For bug fix
	1307	+)))
	1308	+* (((
	1309	+Change LoRaWAN bands.
	1310	+)))
1070	1070
1071		-AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
	1312	+(((
	1313	+Below shows the hardware connection for how to upload an image to RS485-LN:
	1314	+)))
1072	1072
1073		-AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
	1316	+(% 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"]](% title="Click and drag to resize" %)​
1074	1074
1075		-ATZ          Reset MCU
1076		-
1077		-**Note:**
1078		-
1079		-1. Make sure the device is set to ABP mode in the IoT Server.
1080		-1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1081		-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.
1082		-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
1083		-
1084		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1085		-
1086		-
1087		-1. FAQ
1088		-11. How to upgrade the image?
1089		-
1090		-The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1091		-
1092		-* Support new features
1093		-* For bug fix
1094		-* Change LoRaWAN bands.
1095		-
1096		-Below shows the hardware connection for how to upload an image to RS485-BL:
1097		-
1098		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1099		-
	1318	+(((
1100	1100	**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]].
	1320	+)))
1101	1101
	1322	+(((
1102	1102	**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
	1324	+)))
1103	1103
	1326	+(((
1104	1104	**Step3: **Open flashloader; choose the correct COM port to update.
1105		-
1106		-
1107		-|(((
1108		-HOLD PRO then press the RST button, SYS will be ON, then click next
1109	1109	)))
1110	1110
1111		-|(((
1112		-Board detected
	1330	+(((
	1331	+(((
	1332	+(((
	1333	+(% 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.
1113	1113	)))
1114		-
1115		-|(((
1116		-
1117	1117	)))
	1336	+)))
1118	1118
1119		-[[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]]
1120	1120
	1339	+(% 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" %)​
1121	1121
1122	1122
1123		-[[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]]
	1342	+(% 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" %)​
1124	1124
1125	1125
1126		-[[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]]
	1345	+(% 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" %)​
1127	1127
1128	1128
1129		-1.
1130		-11. How to change the LoRa Frequency Bands/Region?
	1348	+**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1131	1131
1132		-User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
	1350	+(% 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" %)​
1133	1133
1134	1134
	1353	+== 6.2 How to change the LoRa Frequency Bands/Region? ==
1135	1135
1136		-1.
1137		-11. How many RS485-Slave can RS485-BL connects?
	1355	+User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1138	1138
1139		-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]].
1140	1140
	1358	+== 6.3 How many RS485-Slave can RS485-LN connects? ==
1141	1141
	1360	+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"]].
1142	1142
1143	1143
1144		-1. Trouble Shooting
1145		-11. Downlink doesn’t work, how to solve it?
	1363	+== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1146	1146
1147		-Please see this link for debug:
	1365	+When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1148	1148
1149		-[[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]]
	1367	+Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1150	1150
1151	1151
	1370	+= 7. Trouble Shooting =
1152	1152
1153		-1.
1154		-11. Why I can’t join TTN V3 in US915 /AU915 bands?
	1372	+== 7.1 Downlink doesn’t work, how to solve it? ==
1155	1155
1156		-It might about the channels mapping. Please see for detail.
	1374	+Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1157	1157
1158		-[[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]]
1159	1159
	1377	+== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1160	1160
	1379	+It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1161	1161
1162		-1. Order Info
1163	1163
1164		-**Part Number: RS485-BL-XXX**
	1382	+= 8. Order Info =
1165	1165
1166		-**XXX:**
	1384	+(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1167	1167
1168		-* **EU433**: frequency bands EU433
1169		-* **EU868**: frequency bands EU868
1170		-* **KR920**: frequency bands KR920
1171		-* **CN470**: frequency bands CN470
1172		-* **AS923**: frequency bands AS923
1173		-* **AU915**: frequency bands AU915
1174		-* **US915**: frequency bands US915
1175		-* **IN865**: frequency bands IN865
1176		-* **RU864**: frequency bands RU864
1177		-* **KZ865: **frequency bands KZ865
	1386	+(% style="color:blue" %)**XXX:**
1178	1178
1179		-1. Packing Info
	1388	+* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
	1389	+* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
	1390	+* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
	1391	+* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
	1392	+* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
	1393	+* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
	1394	+* (% style="color:blue" %)**US915**(%%): frequency bands US915
	1395	+* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
	1396	+* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
	1397	+* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1180	1180
	1399	+
	1400	+= 9.Packing Info =
	1401	+
	1402	+
1181	1181	**Package Includes**:
1182	1182
1183		-* RS485-BL x 1
	1405	+* RS485-LN x 1
1184	1184	* Stick Antenna for LoRa RF part x 1
1185	1185	* Program cable x 1
1186	1186
...	...	@@ -1191,9 +1191,63 @@
1191	1191	* Package Size / pcs : 14.5 x 8 x 5 cm
1192	1192	* Weight / pcs : 170g
1193	1193
1194		-1. Support
1195	1195
1196		-* 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.
1197		-* 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
	1417	+= 10. FCC Caution for RS485LN-US915 =
1198	1198
1199		-[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
	1419	+(((
	1420	+Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
	1421	+)))
	1422	+
	1423	+(((
	1424	+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.
	1425	+)))
	1426	+
	1427	+(((
	1428	+
	1429	+)))
	1430	+
	1431	+(((
	1432	+**IMPORTANT NOTE:**
	1433	+)))
	1434	+
	1435	+(((
	1436	+**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:
	1437	+)))
	1438	+
	1439	+(((
	1440	+—Reorient or relocate the receiving antenna.
	1441	+)))
	1442	+
	1443	+(((
	1444	+—Increase the separation between the equipment and receiver.
	1445	+)))
	1446	+
	1447	+(((
	1448	+—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
	1449	+)))
	1450	+
	1451	+(((
	1452	+—Consult the dealer or an experienced radio/TV technician for help.
	1453	+)))
	1454	+
	1455	+(((
	1456	+
	1457	+)))
	1458	+
	1459	+(((
	1460	+**FCC Radiation Exposure Statement:**
	1461	+)))
	1462	+
	1463	+(((
	1464	+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.
	1465	+)))
	1466	+
	1467	+
	1468	+= 11. Support =
	1469	+
	1470	+* (((
	1471	+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.
	1472	+)))
	1473	+* (((
	1474	+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]].
	1475	+)))

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