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.
30	30	)))
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31	31
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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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119	119	)))
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131	131	Once there is power, the RS485-LN will be on.
132	132	)))
133	133
134		-[[image:1653268091319-405.png]]
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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	(((
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162	162	485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
163	163	)))
164	164
165		-[[image:1653268227651-549.png||height="592" width="720"]]
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167	167	(((
168		-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:
169	169	)))
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172		-**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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180		-[[image:1652953462722-299.png]]
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182	182	(((
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184	184	User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
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188		-Add APP EUI in the application.
	228	+**Add APP EUI in the application.**
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192		-[[image:image-20220519174512-1.png]]
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196		-[[image:image-20220519174512-3.png||height="556" width="724"]]
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198		-[[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" %)​
199	199
200	200	You can also choose to create the device manually.
201	201
202		-[[image:1652953542269-423.png||height="710" width="723"]]
	242	+(% aria-label="1652953542269-423.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953542269-423.png||data-widget="image" height="710" width="723"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
203	203
204		-Add APP KEY and DEV EUI
205	205
206		-[[image:1652953553383-907.png||height="514" width="724"]]
207	207
	246	+**Add APP KEY and DEV EUI**
208	208
	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	+
209	209	(((
210		-**Step 2**: Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
	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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213		-[[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" %)​
214	214
	257	+
215	215	== 3.3 Configure Commands to read data ==
216	216
217	217	(((
218	218	(((
219		-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.
220	220	)))
	265	+)))
221	221
222	222	(((
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223	223	(% 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
224	224	)))
	271	+
	272	+
225	225	)))
	274	+)))
226	226
227	227	=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
228	228
229	229	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:
230	230
231		-(% border="1" style="background-color:#ffffcc; color:green; width:795px" %)
232		-|(((
	280	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	281	+|=(% style="width: 110px;" %)(((
233	233	**AT Commands**
234		-)))|(% style="width:285px" %)(((
	283	+)))|=(% style="width: 190px;" %)(((
235	235	**Description**
236		-)))|(% style="width:347px" %)(((
	285	+)))|=(% style="width: 190px;" %)(((
237	237	**Example**
238	238	)))
239		-|(((
	288	+|(% style="width:110px" %)(((
240	240	AT+BAUDR
241		-)))|(% style="width:285px" %)(((
	290	+)))|(% style="width:190px" %)(((
242	242	Set the baud rate (for RS485 connection). Default Value is: 9600.
243		-)))|(% style="width:347px" %)(((
	292	+)))|(% style="width:190px" %)(((
244	244	(((
245	245	AT+BAUDR=9600
246	246	)))
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249	249	Options: (1200,2400,4800,14400,19200,115200)
250	250	)))
251	251	)))
252		-|(((
	301	+|(% style="width:110px" %)(((
253	253	AT+PARITY
254		-)))|(% style="width:285px" %)(((
	303	+)))|(% style="width:190px" %)(((
255	255	Set UART parity (for RS485 connection)
256		-)))|(% style="width:347px" %)(((
	305	+)))|(% style="width:190px" %)(((
257	257	(((
258	258	AT+PARITY=0
259	259	)))
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262	262	Option: 0: no parity, 1: odd parity, 2: even parity
263	263	)))
264	264	)))
265		-|(((
	314	+|(% style="width:110px" %)(((
266	266	AT+STOPBIT
267		-)))|(% style="width:285px" %)(((
	316	+)))|(% style="width:190px" %)(((
268	268	(((
269	269	Set serial stopbit (for RS485 connection)
270	270	)))
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272	272	(((
273	273
274	274	)))
275		-)))|(% style="width:347px" %)(((
	324	+)))|(% style="width:190px" %)(((
276	276	(((
277	277	AT+STOPBIT=0 for 1bit
278	278	)))
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294	294	)))
295	295	)))
296	296
297		-(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
298		-|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
299		-|AT+CFGDEV|(% style="width:418px" %)(((
	346	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	347	+|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
	348	+|AT+CFGDEV|(% style="width:110px" %)(((
	349	+(((
300	300	This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
	351	+)))
301	301
	353	+(((
302	302	AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
	355	+)))
303	303
	357	+(((
304	304	mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
305		-)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
	359	+)))
	360	+)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
306	306
307	307	=== 3.3.3 Configure read commands for each sampling ===
308	308
309	309	(((
310		-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.
311		-)))
	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.
312	312
313		-(((
314		-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.
315		-)))
316		-
317		-(((
318	318	To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
319		-)))
320	320
321		-(((
322	322	This section describes how to achieve above goals.
323		-)))
324	324
325		-(((
326		-During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
327		-)))
	371	+During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
328	328
329		-(((
330		-**Command from RS485-BL to Sensor:**
331		-)))
332	332
333		-(((
334		-RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar.
335		-)))
	374	+(% style="color:#037691" %)**Each RS485 commands include two parts:**
336	336
337		-(((
338		-**Handle return from sensors to RS485-BL**:
339		-)))
	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.
340	340
341		-(((
342		-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**
343		-)))
	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.
344	344
345		-* (((
346		-**AT+DATACUT**
347		-)))
	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
348	348
349		-(((
350		-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.
351		-)))
352	352
353		-* (((
354		-**AT+SEARCH**
355		-)))
356		-
357		-(((
358		-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.
359		-)))
360		-
361		-(((
362		-**Define wait timeout:**
363		-)))
364		-
365		-(((
366		-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
367		-)))
368		-
369		-(((
370	370	After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
371		-)))
372	372
373		-**Examples:**
374		-
375	375	Below are examples for the how above AT Commands works.
376	376
377		-**AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
378	378
379		-(% border="1" class="table-bordered" %)
380		-|(((
381		-**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	388	+(% 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:
382	382
	390	+(% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
	391	+|(% style="width:496px" %)(((
	392	+(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	393	+
383	383	**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
384	384
385	385	**m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command**
386	386	)))
387	387
388		-(((
389	389	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.
390		-)))
391	391
392		-(((
393		-In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
394		-)))
	401	+In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
395	395
396		-(((
397		-**AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
398		-)))
399	399
400		-(% border="1" class="table-bordered" %)
401		-|(((
402		-**AT+SEARCHx=aa,xx xx xx xx xx**
	404	+(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
403	403
404		-* **aa: 1: prefix match mode; 2: prefix and suffix match mode**
405		-* **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
406		-
407		-
408		-)))
409		-
410		-**Examples:**
411		-
412		-~1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
413		-
414		-If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
415		-
416		-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**
417		-
418		-[[image:1653269403619-508.png]]
419		-
420		-2. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
421		-
422		-If we set AT+SEARCH1=2, 1E 56 34+31 00 49
423		-
424		-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**
425		-
426		-[[image:1653269438444-278.png]]
427		-
428		-**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
429		-
430		-|(((
	406	+(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
	407	+|(% style="width:510px" %)(((
431	431	**AT+DATACUTx=a,b,c**
432	432
433	433	* **a: length for the return of AT+COMMAND**
...	...	@@ -435,48 +435,38 @@
435	435	* **c: define the position for valid value.  **
436	436	)))
437	437
438		-Examples:
	415	+**Examples:**
439	439
440		-* Grab bytes:
	417	+* (% style="color:#037691" %)**Grab bytes**
441	441
442		-[[image:1653269551753-223.png||height="311" width="717"]]
	419	+(% 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" %)​
443	443
444		-* Grab a section.
445	445
446		-[[image:1653269568276-930.png||height="325" width="718"]]
	422	+* (% style="color:#037691" %)**Grab a section**
447	447
448		-* Grab different sections.
	424	+(% 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" %)​
449	449
450		-[[image:1653269593172-426.png||height="303" width="725"]]
451	451
452		-(% style="color:red" %)**Note:**
	427	+* (% style="color:#037691" %)**Grab different sections**
453	453
454		-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.
	429	+(% 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" %)​
455	455
456		-Example:
457	457
458		-(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
	432	+
	433	+)))
459	459
460		-(% style="color:red" %)AT+SEARCH1=1,1E 56 34
461		-
462		-(% style="color:red" %)AT+DATACUT1=0,2,1~~5
463		-
464		-(% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
465		-
466		-(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
467		-
468		-(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
469		-
470		-[[image:1653269618463-608.png]]
471		-
472	472	=== 3.3.4 Compose the uplink payload ===
473	473
474	474	(((
475	475	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.**
	439	+
	440	+
476	476	)))
477	477
478	478	(((
479		-(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0**
	444	+(% style="color:#037691" %)**Examples: AT+DATAUP=0**
	445	+
	446	+
480	480	)))
481	481
482	482	(((
...	...	@@ -495,10 +495,12 @@
495	495	Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
496	496	)))
497	497
498		-[[image:1653269759169-150.png||height="513" width="716"]]
	465	+(% 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" %)​
499	499
500		-(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1**
501	501
	468	+(% style="color:#037691" %)**Examples: AT+DATAUP=1**
	469	+
	470	+
502	502	Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
503	503
504	504	Final Payload is
...	...	@@ -505,687 +505,928 @@
505	505
506	506	(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
507	507
508		-1. Battery Info (2 bytes): Battery voltage
509		-1. PAYVER (1 byte): Defined by AT+PAYVER
510		-1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
511		-1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
512		-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
513	513
514		-[[image:1653269916228-732.png||height="433" width="711"]]
	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
515	515
	483	+(% 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" %)​
516	516
517		-So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
518	518
519		-DATA1=RETURN1 Valid Value = (% style="background-color:green; color:white" %)20 20 0a 33 90 41
	486	+So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
520	520
521		-DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10=(% style="background-color:green; color:white" %) 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**
522	522
523		-DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = (% style="background-color:green; color:white" %)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**
524	524
525		-Below are the uplink payloads:
	492	+DATA3=the rest of Valid value of RETURN10= **30**
526	526
527		-[[image:1653270130359-810.png]]
528	528
	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:
529	529
530		-(% style="color:red" %)**Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:**
	497	+ ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
531	531
532		- ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
	499	+ * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
533	533
534		- * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
	501	+ * For US915 band, max 11 bytes for each uplink.
535	535
536		- * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
	503	+ ~* For all other bands: max 51 bytes for each uplink.
537	537
538		- ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
539	539
540		-=== 3.3.5 Uplink on demand ===
	506	+Below are the uplink payloads:
541	541
542		-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.
	508	+(% 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" %)​
543	543
544		-Downlink control command:
545	545
546		-[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
547	547
548		-[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
	512	+=== 3.3.5 Uplink on demand ===
549	549
	514	+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.
550	550
	516	+Downlink control command:
551	551
552		-1.
553		-11.
554		-111. Uplink on Interrupt
	518	+**0x08 command**: Poll an uplink with current command set in RS485-LN.
555	555
556		-Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
	520	+**0xA8 command**: Send a command to RS485-LN and uplink the output from sensors.
557	557
558		-AT+INTMOD=0  Disable Interrupt
559	559
560		-AT+INTMOD=1  Interrupt trigger by rising or falling edge.
561	561
562		-AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
	524	+=== 3.3.6 Uplink on Interrupt ===
563	563
564		-AT+INTMOD=3  Interrupt trigger by rising edge.
	526	+RS485-LN support external Interrupt uplink since hardware v1.2 release.
565	565
	528	+(% 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" %)​
566	566
567		-1.
568		-11. Uplink Payload
	530	+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.
569	569
570		-|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
571		-|Value|(((
572		-Battery(mV)
573	573
574		-&
	533	+== 3.4 Uplink Payload ==
575	575
576		-Interrupt _Flag
577		-)))|(((
578		-PAYLOAD_VER
579	579
580		-
581		-)))|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.
	536	+(% 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" %)​
582	582
583	583	Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
584	584
585	585
586		-function Decoder(bytes, port) {
	541	+== 3.5 Configure RS485-LN via AT or Downlink ==
587	587
588		-~/~/Payload Formats of RS485-BL Deceive
	543	+(((
	544	+User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
	545	+)))
589	589
590		-return {
	547	+(((
	548	+There are two kinds of Commands:
	549	+)))
591	591
592		- ~/~/Battery,units:V
	551	+* (((
	552	+(% 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]]
	553	+)))
593	593
594		- BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
	555	+* (((
	556	+(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
	557	+)))
595	595
596		- ~/~/GPIO_EXTI
	559	+(((
	560	+
	561	+)))
597	597
598		- EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
599	599
600		- ~/~/payload of version
	564	+=== 3.5.1 Common Commands ===
601	601
602		- Pay_ver:bytes[2],
	566	+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]]
603	603
604		- };
605	605
606		- }
	569	+=== 3.5.2 Sensor related commands ===
607	607
	571	+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.
608	608
	573	+(% 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" %)​
609	609
	575	+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)
610	610
611	611
	578	+=== 3.5.3 Sensor related commands ===
612	612
613	613
614		-TTN V3 uplink screen shot.
615	615
616		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
617	617
618		-1.
619		-11. Configure RS485-BL via AT or Downlink
	583	+==== (% style="color:#037691" %)**RS485 Debug Command**(%%) ====
620	620
621		-User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
	585	+(((
	586	+This command is used to configure the RS485 devices; they won’t be used during sampling.
	587	+)))
622	622
623		-There are two kinds of Commands:
	589	+* (((
	590	+(% style="color:#037691" %)**AT Command**
624	624
625		-* **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
	592	+(((
	593	+**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
	594	+)))
	595	+)))
626	626
627		-* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
	597	+(((
	598	+
	599	+)))
628	628
629		-1.
630		-11.
631		-111. Common Commands:
	601	+* (((
	602	+(% style="color:#037691" %)**Downlink Payload**
	603	+)))
632	632
633		-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]]
	605	+(((
	606	+Format: A8 MM NN XX XX XX XX YY
	607	+)))
634	634
	609	+(((
	610	+Where:
	611	+)))
635	635
636		-1.
637		-11.
638		-111. Sensor related commands:
	613	+* (((
	614	+MM: 1: add CRC-16/MODBUS ; 0: no CRC
	615	+)))
	616	+* (((
	617	+NN: The length of RS485 command
	618	+)))
	619	+* (((
	620	+XX XX XX XX: RS485 command total NN bytes
	621	+)))
	622	+* (((
	623	+(((
	624	+YY: How many bytes will be uplink from the return of this RS485 command,
	625	+)))
639	639
640		-==== Choose Device Type (RS485 or TTL) ====
	627	+* (((
	628	+if YY=0, RS485-LN will execute the downlink command without uplink;
	629	+)))
	630	+* (((
	631	+if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
	632	+)))
	633	+* (((
	634	+if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
	635	+)))
	636	+)))
641	641
642		-RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
	638	+(((
	639	+
643	643
644		-* AT Command
	641	+**Example 1**  ~-~-> Configure without ask for uplink (YY=0)
	642	+)))
645	645
646		-**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
	644	+(((
	645	+To connect a Modbus Alarm with below commands.
	646	+)))
647	647
648		-**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
	648	+* (((
	649	+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.
	650	+)))
649	649
	652	+* (((
	653	+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.
	654	+)))
650	650
651		-* Downlink Payload
	656	+(((
	657	+
652	652
653		-**0A aa**     à same as AT+MOD=aa
	659	+So if user want to use downlink command to control to RS485 Alarm, he can use:
	660	+)))
654	654
	662	+(((
	663	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
	664	+)))
655	655
	666	+(((
	667	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
	668	+)))
656	656
657		-==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
	670	+(((
	671	+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.
	672	+)))
658	658
659		-This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
	674	+(((
	675	+
	676	+)))
660	660
661		-* AT Command
	678	+(((
	679	+**Example 2**  ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
	680	+)))
662	662
663		-AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
	682	+(((
	683	+User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
	684	+)))
664	664
665		-m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
	686	+(((
	687	+
	688	+)))
666	666
	690	+(((
	691	+(((
	692	+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**
	693	+)))
667	667
	695	+
	696	+)))
668	668
669		-* Downlink Payload
	698	+(((
	699	+ (% 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" %)​
	700	+)))
670	670
671		-Format: A8 MM NN XX XX XX XX YY
672	672
673		-Where:
674	674
675		-* MM: 1: add CRC-16/MODBUS ; 0: no CRC
676		-* NN: The length of RS485 command
677		-* XX XX XX XX: RS485 command total NN bytes
678		-* 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
679	679
680		-**Example 1:**
	705	+==== (% style="color:blue" %)**Set Payload version**(%%) ====
681	681
682		-To connect a Modbus Alarm with below commands.
	707	+(((
	708	+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.
	709	+)))
683	683
684		-* 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.
	711	+* (((
	712	+(% style="color:#037691" %)**AT Command:**
685	685
686		-* 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.
	714	+**AT+PAYVER:    **Set PAYVER field = 1
687	687
688		-So if user want to use downlink command to control to RS485 Alarm, he can use:
	716	+
	717	+)))
	718	+* (((
	719	+(% style="color:#037691" %)**Downlink Payload:**
	720	+)))
689	689
690		-**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
	722	+(((
	723	+**0xAE 01**  ~-~->  Set PAYVER field =  0x01
	724	+)))
691	691
692		-**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
	726	+(((
	727	+**0xAE 0F**   ~-~->  Set PAYVER field =  0x0F
	728	+)))
693	693
694		-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.
695	695
696	696
697		-**Example 2:**
698	698
699		-Check TTL Sensor return:
	733	+==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
700	700
701		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
	735	+(((
	736	+AT+COMMANDx or AT+DATACUTx
	737	+)))
702	702
	739	+(((
	740	+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"]].
	741	+)))
703	703
	743	+(((
	744	+
	745	+)))
704	704
	747	+* (((
	748	+(% style="color:#037691" %)**AT Command:**
	749	+)))
705	705
706		-==== Set Payload version ====
	751	+**AT+COMMANDx:    **Configure RS485 read command to sensor.
707	707
708		-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.
	753	+**AT+DATACUTx:        **Configure how to handle return from RS485 devices.
709	709
710		-* AT Command:
711	711
712		-AT+PAYVER: Set PAYVER field = 1
	756	+* (((
	757	+(% style="color:#037691" %)**Downlink Payload:**
	758	+)))
713	713
	760	+(((
	761	+**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	762	+)))
714	714
715		-* Downlink Payload:
	764	+(((
	765	+(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	766	+)))
716	716
717		-0xAE 01   à Set PAYVER field =  0x01
	768	+(((
	769	+Format: AF MM NN LL XX XX XX XX YY
	770	+)))
718	718
719		-0xAE 0F   à Set PAYVER field =  0x0F
	772	+(((
	773	+Where:
	774	+)))
720	720
	776	+* (((
	777	+MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
	778	+)))
	779	+* (((
	780	+NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
	781	+)))
	782	+* (((
	783	+LL:  The length of AT+COMMAND or AT+DATACUT command
	784	+)))
	785	+* (((
	786	+XX XX XX XX: AT+COMMAND or AT+DATACUT command
	787	+)))
	788	+* (((
	789	+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.
	790	+)))
721	721
722		-==== Set RS485 Sampling Commands ====
	792	+(((
	793	+
723	723
724		-AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
	795	+**Example:**
	796	+)))
725	725
726		-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]].
	798	+(((
	799	+(% 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
	800	+)))
727	727
	802	+(((
	803	+(% 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**
	804	+)))
728	728
729		-* AT Command:
	806	+(((
	807	+(% 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**
	808	+)))
730	730
731		-AT+COMMANDx: Configure RS485 read command to sensor.
732	732
733		-AT+DATACUTx: Configure how to handle return from RS485 devices.
734	734
735		-AT+SEARCHx: Configure search command
736	736
	813	+==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
737	737
738		-* Downlink Payload:
	815	+(((
	816	+**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]].
	817	+)))
739	739
740		-0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	819	+(((
	820	+This command is valid since v1.3 firmware version
	821	+)))
741	741
742		-Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	823	+(((
	824	+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.
	825	+)))
743	743
744		-Format: AF MM NN LL XX XX XX XX YY
	827	+(((
	828	+
	829	+)))
745	745
746		-Where:
	831	+(((
	832	+**Example:**
	833	+)))
747	747
748		-* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
749		-* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
750		-* LL: The length of AT+COMMAND or AT+DATACUT command
751		-* XX XX XX XX: AT+COMMAND or AT+DATACUT command
752		-* 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.
	835	+* (((
	836	+AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2  are not configure (0,0,0). So RS485-LN.
	837	+)))
	838	+* (((
	839	+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.
	840	+)))
	841	+* (((
	842	+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.
753	753
754		-Example:
	844	+
	845	+)))
755	755
756		-**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
	847	+(% 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" %)​
757	757
758		-**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
	849	+(% 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" %)​
759	759
760		-**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
761	761
762	762
763		-0xAB downlink command can be used for set AT+SEARCHx
764	764
765		-Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
	854	+==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
766	766
767		-* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
768		-* 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
	856	+(((
	857	+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.
	858	+)))
769	769
770		-**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
	860	+(((
	861	+Default value: 0, range:  0 ~~ 65 seconds
	862	+)))
771	771
	864	+* (((
	865	+(% style="color:#037691" %)** AT Command:**
772	772
773		-==== Fast command to handle MODBUS device ====
	867	+**AT+CMDDLaa=hex(bb cc)*1000**
	868	+)))
774	774
775		-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]].
	870	+(((
	871	+
776	776
777		-This command is valid since v1.3 firmware version
	873	+**Example:**
	874	+)))
778	778
	876	+(((
	877	+**AT+CMDDL1=1000** to send the open time to 1000ms
	878	+)))
779	779
780		-AT+MBFUN has only two value:
	880	+(((
	881	+
	882	+)))
781	781
782		-* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
	884	+* (((
	885	+(% style="color:#037691" %)** Downlink Payload:**
	886	+)))
783	783
784		-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.
	888	+(((
	889	+**0x AA aa bb cc**
	890	+)))
785	785
786		-* AT+MBFUN=0: Disable Modbus fast reading.
	892	+(((
	893	+Same as: AT+CMDDLaa=hex(bb cc)*1000
	894	+)))
787	787
788		-Example:
	896	+(((
	897	+**Example:**
	898	+)))
789	789
790		-* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
791		-* 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.
792		-* 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.
	900	+(((
	901	+**0xAA 01 00 01**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
	902	+)))
793	793
794		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
795	795
796	796
797		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
798	798
	907	+==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
799	799
800		-* Downlink Commands:
	909	+(((
	910	+Define to use one uplink or multiple uplinks for the sampling.
	911	+)))
801	801
802		-A9 aa -à Same as AT+MBFUN=aa
	913	+(((
	914	+The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
803	803
	916	+
	917	+)))
804	804
805		-==== RS485 command timeout ====
	919	+* (((
	920	+(% style="color:#037691" %)** AT Command:**
	921	+)))
806	806
807		-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.
	923	+**AT+DATAUP=0**
808	808
809		-Default value: 0, range:  0 ~~ 5 seconds
	925	+**AT+DATAUP=1**
810	810
811	811
812		-* AT Command:
	928	+* (((
	929	+(% style="color:#037691" %)** Downlink Payload:**
	930	+)))
813	813
814		-AT+CMDDLaa=hex(bb cc)
	932	+(((
	933	+**0xAD 00**  **~-~->** Same as AT+DATAUP=0
	934	+)))
815	815
816		-Example:
	936	+(((
	937	+**0xAD 01**  **~-~->** Same as AT+DATAUP=1
	938	+)))
817	817
818		-**AT+CMDDL1=1000** to send the open time to 1000ms
819	819
820	820
821		-* Downlink Payload:
822	822
823		-0x AA aa bb cc
	943	+==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
824	824
825		-Same as: AT+CMDDLaa=hex(bb cc)
	945	+(((
	946	+Ask device to send an uplink immediately.
	947	+)))
826	826
827		- Example:
	949	+* (((
	950	+(% style="color:#037691" %)** AT Command:**
	951	+)))
828	828
829		- 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
	953	+(((
	954	+No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
	955	+)))
830	830
	957	+(((
	958	+
	959	+)))
831	831
832		-==== [[Uplink>>path:#downlink_A8]] payload mode ====
	961	+* (((
	962	+(% style="color:#037691" %)** Downlink Payload:**
	963	+)))
833	833
834		-Define to use one uplink or multiple uplinks for the sampling.
	965	+(((
	966	+**0x08 FF**, RS485-LN will immediately send an uplink.
	967	+)))
835	835
836		-The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
837	837
838		-* AT Command:
839	839
840		-AT+DATAUP=0
841	841
842		-AT+DATAUP=1
	972	+==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
843	843
844		-
845		-* Downlink Payload:
846		-
847		-0xAD 00   à Same as AT+DATAUP=0
848		-
849		-0xAD 01   à Same as AT+DATAUP=1
850		-
851		-
852		-==== Manually trigger an Uplink ====
853		-
854		-Ask device to send an uplink immediately.
855		-
856		-* Downlink Payload:
857		-
858		-0x08 FF, RS485-BL will immediately send an uplink.
859		-
860		-
861		-==== Clear RS485 Command ====
862		-
	974	+(((
863	863	The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
864	864
	977	+
	978	+)))
865	865
866		-* AT Command:
	980	+* (((
	981	+(% style="color:#037691" %)** AT Command:**
	982	+)))
867	867
	984	+(((
868	868	**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
	986	+)))
869	869
	988	+(((
870	870	Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	990	+)))
871	871
	992	+(((
872	872	Example screen shot after clear all RS485 commands.
	994	+)))
873	873
	996	+(((
	997	+
	998	+)))
874	874
875		-
	1000	+(((
876	876	The uplink screen shot is:
	1002	+)))
877	877
878		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
	1004	+(% 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" %)​
879	879
880	880
881		-* Downlink Payload:
	1007	+* (((
	1008	+(% style="color:#037691" %)** Downlink Payload:**
	1009	+)))
882	882
883		-0x09 aa bb same as AT+CMDEAR=aa,bb
	1011	+(((
	1012	+**0x09 aa bb** same as AT+CMDEAR=aa,bb
	1013	+)))
884	884
885	885
886		-==== Set Serial Communication Parameters ====
887	887
888		-Set the Rs485 serial communication parameters:
889	889
890		-* AT Command:
	1018	+==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
891	891
892		-Set Baud Rate:
	1020	+(((
	1021	+Set the Rs485 serial communication parameters:
	1022	+)))
893	893
894		-AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
	1024	+* (((
	1025	+(% style="color:#037691" %)** AT Command:**
	1026	+)))
895	895
	1028	+(((
	1029	+
896	896
897		-Set UART parity
	1031	+* Set Baud Rate
	1032	+)))
898	898
899		-AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
	1034	+**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
900	900
901	901
902		-Set STOPBIT
	1037	+(((
	1038	+* Set UART Parity
	1039	+)))
903	903
904		-AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
	1041	+**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
905	905
906	906
907		-* Downlink Payload:
	1044	+(((
	1045	+* Set STOPBIT
	1046	+)))
908	908
909		-A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
	1048	+**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
910	910
911		-Example:
912	912
913		-* A7 01 00 60   same as AT+BAUDR=9600
914		-* A7 01 04 80  same as AT+BAUDR=115200
915	915
916		-A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1052	+* (((
	1053	+(% style="color:#037691" %)** Downlink Payload:**
	1054	+)))
917	917
918		-A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1056	+(((
	1057	+**A7 01 aa bb**:  Same  AT+BAUDR=hex(aa bb)*100
	1058	+)))
919	919
	1060	+(((
	1061	+**Example:**
	1062	+)))
920	920
921		-==== Control output power duration ====
	1064	+* (((
	1065	+A7 01 00 60   same as AT+BAUDR=9600
	1066	+)))
	1067	+* (((
	1068	+A7 01 04 80  same as AT+BAUDR=115200
	1069	+)))
922	922
923		-User can set the output power duration before each sampling.
	1071	+(((
	1072	+A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1073	+)))
924	924
925		-* AT Command:
	1075	+(((
	1076	+A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1077	+)))
926	926
927		-Example:
928	928
929		-AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
930	930
931		-AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
932	932
	1082	+== 3.6 Listening mode for RS485 network ==
933	933
934		-* LoRaWAN Downlink Command:
	1084	+(((
	1085	+This feature support since firmware v1.4
	1086	+)))
935	935
936		-07 01 aa bb  Same as AT+5VT=(aa bb)
	1088	+(((
	1089	+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.
	1090	+)))
937	937
938		-07 02 aa bb  Same as AT+3V3T=(aa bb)
	1092	+(% 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" %)​
939	939
	1094	+(((
	1095	+To enable the listening mode, use can run the command AT+RXMODE.
	1096	+)))
940	940
	1098	+(((
	1099	+
	1100	+)))
941	941
	1102	+(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
	1103	+|=(% style="width: 100px;" %)(((
	1104	+**Command example**
	1105	+)))|=(% style="width: 400px;" %)(((
	1106	+**Function**
	1107	+)))
	1108	+|(% style="width:100px" %)(((
	1109	+AT+RXMODE=1,10
	1110	+)))|(% style="width:400px" %)(((
	1111	+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.
	1112	+)))
	1113	+|(% style="width:100px" %)(((
	1114	+AT+RXMODE=2,500
	1115	+)))|(% style="width:400px" %)(((
	1116	+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
	1117	+)))
	1118	+|(% style="width:100px" %)(((
	1119	+AT+RXMODE=0,0
	1120	+)))|(% style="width:400px" %)(((
	1121	+Disable listening mode. This is the default settings.
	1122	+)))
	1123	+|(% style="width:100px" %)(((
	1124	+
	1125	+)))|(% style="width:400px" %)(((
	1126	+A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
	1127	+)))
942	942
943		-1.
944		-11. Buttons
	1129	+(((
	1130	+(% style="color:#037691" %)** Downlink Command:**
	1131	+)))
945	945
946		-|**Button**|**Feature**
947		-|**RST**|Reboot RS485-BL
	1133	+(((
	1134	+**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
	1135	+)))
948	948
949		-1.
950		-11. +3V3 Output
	1137	+(((
	1138	+
	1139	+)))
951	951
952		-RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
	1141	+(((
	1142	+**Example**:
	1143	+)))
953	953
954		-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.
	1145	+(((
	1146	+The RS485-LN is set to AT+RXMODE=2,1000
	1147	+)))
955	955
	1149	+(((
	1150	+There is a two Modbus commands in the RS485 network as below:
	1151	+)))
956	956
957		-The +3V3 output time can be controlled by AT Command.
	1153	+(((
	1154	+The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
	1155	+)))
958	958
959		-**AT+3V3T=1000**
	1157	+(((
	1158	+And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
	1159	+)))
960	960
961		-Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
	1161	+(((
	1162	+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
	1163	+)))
962	962
	1165	+(((
	1166	+(% 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" %)​
	1167	+)))
963	963
964		-By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
	1169	+(((
	1170	+
	1171	+)))
965	965
	1173	+(((
	1174	+(((
	1175	+(% 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.
	1176	+)))
	1177	+)))
966	966
967		-1.
968		-11. +5V Output
969	969
970		-RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
	1180	+== 3.7 Buttons ==
971	971
972		-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.
973	973
	1183	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1184	+|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
	1185	+|(% 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**
	1186	+|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
	1187	+|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
974	974
975		-The 5V output time can be controlled by AT Command.
976	976
977		-**AT+5VT=1000**
	1190	+== 3.8 LEDs ==
978	978
979		-Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
980	980
	1193	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1194	+|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
	1195	+|**PWR**|Always on if there is power
	1196	+|**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.
981	981
982		-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.
983	983
	1199	+= 4. Case Study =
984	984
	1201	+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]]
985	985
986	986
987		-1.
988		-11. LEDs
	1204	+= 5. Use AT Command =
989	989
990		-|**LEDs**|**Feature**
991		-|**LED1**|Blink when device transmit a packet.
	1206	+== 5.1 Access AT Command ==
992	992
993		-1.
994		-11. Switch Jumper
	1208	+(((
	1209	+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.
	1210	+)))
995	995
996		-|**Switch Jumper**|**Feature**
997		-|**SW1**|(((
998		-ISP position: Upgrade firmware via UART
	1212	+(% 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" %)​
999	999
1000		-Flash position: Configure device, check running status.
1001		-)))
1002		-|**SW2**|(((
1003		-5V position: set to compatible with 5v I/O.
1004	1004
1005		-3.3v position: set to compatible with 3.3v I/O.,
	1215	+(((
	1216	+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:
1006	1006	)))
1007	1007
1008		-+3.3V: is always ON
	1219	+(% 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" %)​
1009	1009
1010		-+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1011	1011
1012		-1. Case Study
	1222	+(((
	1223	+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/]]
	1224	+)))
1013	1013
1014		-User can check this URL for some case studies.
1015	1015
1016		-[[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]]
1017	1017
	1228	+== 5.2 Common AT Command Sequence ==
1018	1018
1019	1019
	1231	+=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1020	1020
1021		-1. Use AT Command
1022		-11. Access AT Command
	1233	+If device has not joined network yet:
1023	1023
1024		-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.
	1235	+* (% style="color:#037691" %)**AT+FDR**
	1236	+* (% style="color:#037691" %)**AT+NJM=0**
	1237	+* (% style="color:#037691" %)**ATZ**
1025	1025
1026		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
	1239	+(((
	1240	+
1027	1027
	1242	+If device already joined network:
1028	1028
1029		-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:
	1244	+* (% style="color:#037691" %)**AT+NJM=0**
	1245	+* (% style="color:#037691" %)**ATZ**
1030	1030
1031		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
	1247	+
	1248	+)))
1032	1032
1033	1033
	1251	+=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
1034	1034
1035		-More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
1036	1036
	1254	+(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
1037	1037
	1256	+(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
1038	1038
1039		-1.
1040		-11. Common AT Command Sequence
1041		-111. Multi-channel ABP mode (Use with SX1301/LG308)
	1258	+(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
1042	1042
1043		-If device has not joined network yet:
	1260	+(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
1044	1044
1045		-AT+FDR
	1262	+(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
1046	1046
1047		-AT+NJM=0
	1264	+(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
1048	1048
1049		-ATZ
	1266	+(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1050	1050
	1268	+(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
1051	1051
1052		-If device already joined network:
	1270	+(% 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.
1053	1053
1054		-AT+NJM=0
	1272	+(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1055	1055
1056		-ATZ
1057	1057
1058		-1.
1059		-11.
1060		-111. Single-channel ABP mode (Use with LG01/LG02)
	1275	+(% style="color:red" %)**Note:**
1061	1061
1062		-AT+FDR   Reset Parameters to Factory Default, Keys Reserve
	1277	+(((
	1278	+(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
	1279	+2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
	1280	+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.
	1281	+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
	1282	+)))
1063	1063
1064		-AT+NJM=0 Set to ABP mode
	1284	+(% 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" %)​
1065	1065
1066		-AT+ADR=0 Set the Adaptive Data Rate Off
1067	1067
1068		-AT+DR=5  Set Data Rate
	1287	+= 6. FAQ =
1069	1069
1070		-AT+TDC=60000  Set transmit interval to 60 seconds
	1289	+== 6.1 How to upgrade the image? ==
1071	1071
1072		-AT+CHS=868400000 Set transmit frequency to 868.4Mhz
	1291	+(((
	1292	+The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
	1293	+)))
1073	1073
1074		-AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
	1295	+* (((
	1296	+Support new features
	1297	+)))
	1298	+* (((
	1299	+For bug fix
	1300	+)))
	1301	+* (((
	1302	+Change LoRaWAN bands.
	1303	+)))
1075	1075
1076		-AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
	1305	+(((
	1306	+Below shows the hardware connection for how to upload an image to RS485-LN:
	1307	+)))
1077	1077
1078		-AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
	1309	+(% 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" %)​
1079	1079
1080		-ATZ          Reset MCU
1081		-
1082		-**Note:**
1083		-
1084		-1. Make sure the device is set to ABP mode in the IoT Server.
1085		-1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1086		-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.
1087		-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
1088		-
1089		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1090		-
1091		-
1092		-1. FAQ
1093		-11. How to upgrade the image?
1094		-
1095		-The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1096		-
1097		-* Support new features
1098		-* For bug fix
1099		-* Change LoRaWAN bands.
1100		-
1101		-Below shows the hardware connection for how to upload an image to RS485-BL:
1102		-
1103		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1104		-
	1311	+(((
1105	1105	**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]].
	1313	+)))
1106	1106
	1315	+(((
1107	1107	**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
	1317	+)))
1108	1108
	1319	+(((
1109	1109	**Step3: **Open flashloader; choose the correct COM port to update.
1110		-
1111		-
1112		-|(((
1113		-HOLD PRO then press the RST button, SYS will be ON, then click next
1114	1114	)))
1115	1115
1116		-|(((
1117		-Board detected
	1323	+(((
	1324	+(((
	1325	+(((
	1326	+(% 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.
1118	1118	)))
1119		-
1120		-|(((
1121		-
1122	1122	)))
	1329	+)))
1123	1123
1124		-[[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]]
1125	1125
	1332	+(% 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" %)​
1126	1126
1127	1127
1128		-[[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]]
	1335	+(% 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" %)​
1129	1129
1130	1130
1131		-[[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]]
	1338	+(% 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" %)​
1132	1132
1133	1133
1134		-1.
1135		-11. How to change the LoRa Frequency Bands/Region?
	1341	+**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1136	1136
1137		-User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
	1343	+(% 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" %)​
1138	1138
1139	1139
	1346	+== 6.2 How to change the LoRa Frequency Bands/Region? ==
1140	1140
1141		-1.
1142		-11. How many RS485-Slave can RS485-BL connects?
	1348	+User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1143	1143
1144		-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]].
1145	1145
	1351	+== 6.3 How many RS485-Slave can RS485-LN connects? ==
1146	1146
	1353	+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"]].
1147	1147
1148	1148
1149		-1. Trouble Shooting
1150		-11. Downlink doesn’t work, how to solve it?
	1356	+== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1151	1151
1152		-Please see this link for debug:
	1358	+When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1153	1153
1154		-[[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]]
	1360	+Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1155	1155
1156	1156
	1363	+= 7. Trouble Shooting =
1157	1157
1158		-1.
1159		-11. Why I can’t join TTN V3 in US915 /AU915 bands?
	1365	+== 7.1 Downlink doesn’t work, how to solve it? ==
1160	1160
1161		-It might about the channels mapping. Please see for detail.
	1367	+Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1162	1162
1163		-[[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]]
1164	1164
	1370	+== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1165	1165
	1372	+It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1166	1166
1167		-1. Order Info
1168	1168
1169		-**Part Number: RS485-BL-XXX**
	1375	+= 8. Order Info =
1170	1170
1171		-**XXX:**
	1377	+(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1172	1172
1173		-* **EU433**: frequency bands EU433
1174		-* **EU868**: frequency bands EU868
1175		-* **KR920**: frequency bands KR920
1176		-* **CN470**: frequency bands CN470
1177		-* **AS923**: frequency bands AS923
1178		-* **AU915**: frequency bands AU915
1179		-* **US915**: frequency bands US915
1180		-* **IN865**: frequency bands IN865
1181		-* **RU864**: frequency bands RU864
1182		-* **KZ865: **frequency bands KZ865
	1379	+(% style="color:blue" %)**XXX:**
1183	1183
1184		-1. Packing Info
	1381	+* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
	1382	+* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
	1383	+* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
	1384	+* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
	1385	+* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
	1386	+* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
	1387	+* (% style="color:blue" %)**US915**(%%): frequency bands US915
	1388	+* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
	1389	+* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
	1390	+* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1185	1185
	1392	+
	1393	+= 9.Packing Info =
	1394	+
	1395	+
1186	1186	**Package Includes**:
1187	1187
1188		-* RS485-BL x 1
	1398	+* RS485-LN x 1
1189	1189	* Stick Antenna for LoRa RF part x 1
1190	1190	* Program cable x 1
1191	1191
...	...	@@ -1196,9 +1196,63 @@
1196	1196	* Package Size / pcs : 14.5 x 8 x 5 cm
1197	1197	* Weight / pcs : 170g
1198	1198
1199		-1. Support
1200	1200
1201		-* 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.
1202		-* 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
	1410	+= 10. FCC Caution for RS485LN-US915 =
1203	1203
1204		-[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
	1412	+(((
	1413	+Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
	1414	+)))
	1415	+
	1416	+(((
	1417	+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.
	1418	+)))
	1419	+
	1420	+(((
	1421	+
	1422	+)))
	1423	+
	1424	+(((
	1425	+**IMPORTANT NOTE:**
	1426	+)))
	1427	+
	1428	+(((
	1429	+**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:
	1430	+)))
	1431	+
	1432	+(((
	1433	+—Reorient or relocate the receiving antenna.
	1434	+)))
	1435	+
	1436	+(((
	1437	+—Increase the separation between the equipment and receiver.
	1438	+)))
	1439	+
	1440	+(((
	1441	+—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
	1442	+)))
	1443	+
	1444	+(((
	1445	+—Consult the dealer or an experienced radio/TV technician for help.
	1446	+)))
	1447	+
	1448	+(((
	1449	+
	1450	+)))
	1451	+
	1452	+(((
	1453	+**FCC Radiation Exposure Statement:**
	1454	+)))
	1455	+
	1456	+(((
	1457	+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.
	1458	+)))
	1459	+
	1460	+
	1461	+= 11. Support =
	1462	+
	1463	+* (((
	1464	+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.
	1465	+)))
	1466	+* (((
	1467	+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]].
	1468	+)))

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