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**
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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
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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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100	100	* Smart Cities
101	101	* Smart Factory
102	102
	136	+
103	103	== 1.5 Firmware Change log ==
104	104
105	105	[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
106	106
	141	+
107	107	== 1.6 Hardware Change log ==
108	108
109	109	(((
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111	111	v1.2: Add External Interrupt Pin.
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113	113	v1.0: Release
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116	116
117	117	= 2. Power ON Device =
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126	126	Once there is power, the RS485-LN will be on.
127	127	)))
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129		-[[image:1653268091319-405.png]]
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131	131
132	132	= 3. Operation Mode =
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134	134	== 3.1 How it works? ==
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137	137	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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140	140	== 3.2 Example to join LoRaWAN network ==
141	141
142	142	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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144		-[[image:1653268155545-638.png||height="334" width="724"]]
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147	147	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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149	149	485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
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150	150
151		-[[image:1653268227651-549.png||height="592" width="720"]]
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153	153	(((
154		-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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158		-**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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166		-[[image:1652953462722-299.png]]
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170	170	User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
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174		-Add APP EUI in the application.
	228	+**Add APP EUI in the application.**
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178		-[[image:image-20220519174512-1.png]]
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182		-[[image:image-20220519174512-3.png||height="556" width="724"]]
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184		-[[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" %)​
185	185
186	186	You can also choose to create the device manually.
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188		-[[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" %)​
189	189
190		-Add APP KEY and DEV EUI
191	191
192		-[[image:1652953553383-907.png||height="514" width="724"]]
193	193
	246	+**Add APP KEY and DEV EUI**
194	194
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	249	+
	250	+
195	195	(((
196		-**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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199		-[[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" %)​
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	257	+
201	201	== 3.3 Configure Commands to read data ==
202	202
203	203	(((
204	204	(((
205		-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.
206	206	)))
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208	208	(((
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209	209	(% 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
210	210	)))
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212	212
213	213	=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
214	214
215	215	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:
216	216
217		-(% border="1" style="background-color:#ffffcc; color:green; width:795px" %)
218		-|(((
	280	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	281	+|=(% style="width: 110px;" %)(((
219	219	**AT Commands**
220		-)))|(% style="width:285px" %)(((
	283	+)))|=(% style="width: 190px;" %)(((
221	221	**Description**
222		-)))|(% style="width:347px" %)(((
	285	+)))|=(% style="width: 190px;" %)(((
223	223	**Example**
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225		-|(((
	288	+|(% style="width:110px" %)(((
226	226	AT+BAUDR
227		-)))|(% style="width:285px" %)(((
	290	+)))|(% style="width:190px" %)(((
228	228	Set the baud rate (for RS485 connection). Default Value is: 9600.
229		-)))|(% style="width:347px" %)(((
	292	+)))|(% style="width:190px" %)(((
230	230	(((
231	231	AT+BAUDR=9600
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235	235	Options: (1200,2400,4800,14400,19200,115200)
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237	237	)))
238		-|(((
	301	+|(% style="width:110px" %)(((
239	239	AT+PARITY
240		-)))|(% style="width:285px" %)(((
	303	+)))|(% style="width:190px" %)(((
241	241	Set UART parity (for RS485 connection)
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243	243	(((
244	244	AT+PARITY=0
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248	248	Option: 0: no parity, 1: odd parity, 2: even parity
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250	250	)))
251		-|(((
	314	+|(% style="width:110px" %)(((
252	252	AT+STOPBIT
253		-)))|(% style="width:285px" %)(((
	316	+)))|(% style="width:190px" %)(((
254	254	(((
255	255	Set serial stopbit (for RS485 connection)
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258	258	(((
259	259
260	260	)))
261		-)))|(% style="width:347px" %)(((
	324	+)))|(% style="width:190px" %)(((
262	262	(((
263	263	AT+STOPBIT=0 for 1bit
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272	272	)))
273	273	)))
274	274
	338	+
	339	+
	340	+
275	275	=== 3.3.2 Configure sensors ===
276	276
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280	280	)))
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282	282
283		-(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
284		-|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
285		-|AT+CFGDEV|(% style="width:418px" %)(((
286		-This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
287		-
288		-AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
289		-
290		-mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
291		-)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
292		-
293		-=== 3.3.3 Configure read commands for each sampling ===
294		-
	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" %)(((
295	295	(((
296		-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.
297	297	)))
298	298
299	299	(((
300		-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,
301	301	)))
302	302
303	303	(((
304		-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
305	305	)))
	363	+)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
306	306
307		-(((
308		-This section describes how to achieve above goals.
309		-)))
310	310
311		-(((
312		-During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
313		-)))
314	314
315		-(((
316		-**Command from RS485-BL to Sensor:**
317		-)))
318	318
319		-(((
320		-RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar.
321		-)))
322	322
323		-(((
324		-**Handle return from sensors to RS485-BL**:
325		-)))
	369	+=== 3.3.3 Configure read commands for each sampling ===
326	326
327	327	(((
328		-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**
329		-)))
	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.
330	330
331		-* (((
332		-**AT+DATACUT**
333		-)))
	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.
334	334
335		-(((
336		-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.
337		-)))
	376	+This section describes how to achieve above goals.
338	338
339		-* (((
340		-**AT+SEARCH**
341		-)))
	378	+During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
342	342
343		-(((
344		-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.
345		-)))
346	346
347		-(((
348		-**Define wait timeout:**
349		-)))
	381	+(% style="color:#037691" %)**Each RS485 commands include two parts:**
350	350
351		-(((
352		-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
353		-)))
	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.
354	354
355		-(((
356		-After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
357		-)))
	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.
358	358
359		-**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
360	360
	389	+
	390	+After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
	391	+
361	361	Below are examples for the how above AT Commands works.
362	362
363		-**AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
364	364
365		-(% border="1" class="table-bordered" %)
366		-|(((
367		-**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:
368	368
	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	+
369	369	**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
370	370
371	371	**m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command**
372	372	)))
373	373
374		-(((
375	375	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.
376		-)))
377	377
378		-(((
379		-In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
380		-)))
	408	+In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
381	381
382		-(((
383		-**AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
384		-)))
385	385
386		-(% border="1" class="table-bordered" %)
387		-|(((
388		-**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.
389	389
390		-* **aa: 1: prefix match mode; 2: prefix and suffix match mode**
391		-* **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
392		-
393		-
394		-)))
395		-
396		-**Examples:**
397		-
398		-~1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
399		-
400		-If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
401		-
402		-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**
403		-
404		-[[image:1653269403619-508.png]]
405		-
406		-2. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
407		-
408		-If we set AT+SEARCH1=2, 1E 56 34+31 00 49
409		-
410		-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**
411		-
412		-[[image:1653269438444-278.png]]
413		-
414		-**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
415		-
416		-|(((
	413	+(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
	414	+|(% style="width:510px" %)(((
417	417	**AT+DATACUTx=a,b,c**
418	418
419	419	* **a: length for the return of AT+COMMAND**
...	...	@@ -421,48 +421,38 @@
421	421	* **c: define the position for valid value.  **
422	422	)))
423	423
424		-Examples:
	422	+**Examples:**
425	425
426		-* Grab bytes:
	424	+* (% style="color:#037691" %)**Grab bytes**
427	427
428		-[[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" %)​
429	429
430		-* Grab a section.
431	431
432		-[[image:1653269568276-930.png||height="325" width="718"]]
	429	+* (% style="color:#037691" %)**Grab a section**
433	433
434		-* 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" %)​
435	435
436		-[[image:1653269593172-426.png||height="303" width="725"]]
437	437
438		-(% style="color:red" %)**Note:**
	434	+* (% style="color:#037691" %)**Grab different sections**
439	439
440		-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" %)​
441	441
442		-Example:
443	443
444		-(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
	439	+
	440	+)))
445	445
446		-(% style="color:red" %)AT+SEARCH1=1,1E 56 34
447		-
448		-(% style="color:red" %)AT+DATACUT1=0,2,1~~5
449		-
450		-(% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
451		-
452		-(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
453		-
454		-(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
455		-
456		-[[image:1653269618463-608.png]]
457		-
458	458	=== 3.3.4 Compose the uplink payload ===
459	459
460	460	(((
461	461	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	+
462	462	)))
463	463
464	464	(((
465		-(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0**
	451	+(% style="color:#037691" %)**Examples: AT+DATAUP=0**
	452	+
	453	+
466	466	)))
467	467
468	468	(((
...	...	@@ -481,10 +481,12 @@
481	481	Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
482	482	)))
483	483
484		-[[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" %)​
485	485
486		-(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1**
487	487
	475	+(% style="color:#037691" %)**Examples: AT+DATAUP=1**
	476	+
	477	+
488	488	Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
489	489
490	490	Final Payload is
...	...	@@ -491,687 +491,928 @@
491	491
492	492	(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
493	493
494		-1. Battery Info (2 bytes): Battery voltage
495		-1. PAYVER (1 byte): Defined by AT+PAYVER
496		-1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
497		-1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
498		-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
499	499
500		-[[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
501	501
	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" %)​
502	502
503		-So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
504	504
505		-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
506	506
507		-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**
508	508
509		-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**
510	510
511		-Below are the uplink payloads:
	499	+DATA3=the rest of Valid value of RETURN10= **30**
512	512
513		-[[image:1653270130359-810.png]]
514	514
	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:
515	515
516		-(% 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.
517	517
518		- ~* 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.
519	519
520		- * 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.
521	521
522		- * 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.
523	523
524		- ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
525	525
526		-=== 3.3.5 Uplink on demand ===
	513	+Below are the uplink payloads:
527	527
528		-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" %)​
529	529
530		-Downlink control command:
531	531
532		-[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
533	533
534		-[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
	519	+=== 3.3.5 Uplink on demand ===
535	535
	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.
536	536
	523	+Downlink control command:
537	537
538		-1.
539		-11.
540		-111. Uplink on Interrupt
	525	+**0x08 command**: Poll an uplink with current command set in RS485-LN.
541	541
542		-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.
543	543
544		-AT+INTMOD=0  Disable Interrupt
545	545
546		-AT+INTMOD=1  Interrupt trigger by rising or falling edge.
547	547
548		-AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
	531	+=== 3.3.6 Uplink on Interrupt ===
549	549
550		-AT+INTMOD=3  Interrupt trigger by rising edge.
	533	+RS485-LN support external Interrupt uplink since hardware v1.2 release.
551	551
	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" %)​
552	552
553		-1.
554		-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.
555	555
556		-|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
557		-|Value|(((
558		-Battery(mV)
559	559
560		-&
	540	+== 3.4 Uplink Payload ==
561	561
562		-Interrupt _Flag
563		-)))|(((
564		-PAYLOAD_VER
565	565
566		-
567		-)))|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" %)​
568	568
569	569	Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
570	570
571	571
572		-function Decoder(bytes, port) {
	548	+== 3.5 Configure RS485-LN via AT or Downlink ==
573	573
574		-~/~/Payload Formats of RS485-BL Deceive
	550	+(((
	551	+User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
	552	+)))
575	575
576		-return {
	554	+(((
	555	+There are two kinds of Commands:
	556	+)))
577	577
578		- ~/~/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	+)))
579	579
580		- 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	+)))
581	581
582		- ~/~/GPIO_EXTI
	566	+(((
	567	+
	568	+)))
583	583
584		- EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
585	585
586		- ~/~/payload of version
	571	+=== 3.5.1 Common Commands ===
587	587
588		- 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]]
589	589
590		- };
591	591
592		- }
	576	+=== 3.5.2 Sensor related commands ===
593	593
	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.
594	594
	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" %)​
595	595
	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)
596	596
597	597
	585	+=== 3.5.3 Sensor related commands ===
598	598
599	599
600		-TTN V3 uplink screen shot.
601	601
602		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
603	603
604		-1.
605		-11. Configure RS485-BL via AT or Downlink
	590	+==== (% style="color:#037691" %)**RS485 Debug Command**(%%) ====
606	606
607		-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	+)))
608	608
609		-There are two kinds of Commands:
	596	+* (((
	597	+(% style="color:#037691" %)**AT Command**
610	610
611		-* **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	+)))
612	612
613		-* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
	604	+(((
	605	+
	606	+)))
614	614
615		-1.
616		-11.
617		-111. Common Commands:
	608	+* (((
	609	+(% style="color:#037691" %)**Downlink Payload**
	610	+)))
618	618
619		-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	+)))
620	620
	616	+(((
	617	+Where:
	618	+)))
621	621
622		-1.
623		-11.
624		-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	+)))
625	625
626		-==== 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	+)))
627	627
628		-RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
	645	+(((
	646	+
629	629
630		-* AT Command
	648	+**Example 1**  ~-~-> Configure without ask for uplink (YY=0)
	649	+)))
631	631
632		-**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	+)))
633	633
634		-**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	+)))
635	635
	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	+)))
636	636
637		-* Downlink Payload
	663	+(((
	664	+
638	638
639		-**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	+)))
640	640
	669	+(((
	670	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
	671	+)))
641	641
	673	+(((
	674	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
	675	+)))
642	642
643		-==== [[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	+)))
644	644
645		-This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
	681	+(((
	682	+
	683	+)))
646	646
647		-* AT Command
	685	+(((
	686	+**Example 2**  ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
	687	+)))
648	648
649		-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	+)))
650	650
651		-m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
	693	+(((
	694	+
	695	+)))
652	652
	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	+)))
653	653
	702	+
	703	+)))
654	654
655		-* 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	+)))
656	656
657		-Format: A8 MM NN XX XX XX XX YY
658	658
659		-Where:
660	660
661		-* MM: 1: add CRC-16/MODBUS ; 0: no CRC
662		-* NN: The length of RS485 command
663		-* XX XX XX XX: RS485 command total NN bytes
664		-* 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
665	665
666		-**Example 1:**
	712	+==== (% style="color:blue" %)**Set Payload version**(%%) ====
667	667
668		-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	+)))
669	669
670		-* 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:**
671	671
672		-* 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
673	673
674		-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	+)))
675	675
676		-**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
	729	+(((
	730	+**0xAE 01**  ~-~->  Set PAYVER field =  0x01
	731	+)))
677	677
678		-**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
	733	+(((
	734	+**0xAE 0F**   ~-~->  Set PAYVER field =  0x0F
	735	+)))
679	679
680		-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.
681	681
682	682
683		-**Example 2:**
684	684
685		-Check TTL Sensor return:
	740	+==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
686	686
687		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
	742	+(((
	743	+AT+COMMANDx or AT+DATACUTx
	744	+)))
688	688
	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	+)))
689	689
	750	+(((
	751	+
	752	+)))
690	690
	754	+* (((
	755	+(% style="color:#037691" %)**AT Command:**
	756	+)))
691	691
692		-==== Set Payload version ====
	758	+**AT+COMMANDx:    **Configure RS485 read command to sensor.
693	693
694		-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.
695	695
696		-* AT Command:
697	697
698		-AT+PAYVER: Set PAYVER field = 1
	763	+* (((
	764	+(% style="color:#037691" %)**Downlink Payload:**
	765	+)))
699	699
	767	+(((
	768	+**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	769	+)))
700	700
701		-* 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	+)))
702	702
703		-0xAE 01   à Set PAYVER field =  0x01
	775	+(((
	776	+Format: AF MM NN LL XX XX XX XX YY
	777	+)))
704	704
705		-0xAE 0F   à Set PAYVER field =  0x0F
	779	+(((
	780	+Where:
	781	+)))
706	706
	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	+)))
707	707
708		-==== Set RS485 Sampling Commands ====
	799	+(((
	800	+
709	709
710		-AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
	802	+**Example:**
	803	+)))
711	711
712		-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	+)))
713	713
	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	+)))
714	714
715		-* 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	+)))
716	716
717		-AT+COMMANDx: Configure RS485 read command to sensor.
718	718
719		-AT+DATACUTx: Configure how to handle return from RS485 devices.
720	720
721		-AT+SEARCHx: Configure search command
722	722
	820	+==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
723	723
724		-* 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	+)))
725	725
726		-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	+)))
727	727
728		-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	+)))
729	729
730		-Format: AF MM NN LL XX XX XX XX YY
	834	+(((
	835	+
	836	+)))
731	731
732		-Where:
	838	+(((
	839	+**Example:**
	840	+)))
733	733
734		-* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
735		-* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
736		-* LL: The length of AT+COMMAND or AT+DATACUT command
737		-* XX XX XX XX: AT+COMMAND or AT+DATACUT command
738		-* 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.
739	739
740		-Example:
	851	+
	852	+)))
741	741
742		-**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" %)​
743	743
744		-**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" %)​
745	745
746		-**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
747	747
748	748
749		-0xAB downlink command can be used for set AT+SEARCHx
750	750
751		-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**(%%) ====
752	752
753		-* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
754		-* 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	+)))
755	755
756		-**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	+)))
757	757
	871	+* (((
	872	+(% style="color:#037691" %)** AT Command:**
758	758
759		-==== Fast command to handle MODBUS device ====
	874	+**AT+CMDDLaa=hex(bb cc)*1000**
	875	+)))
760	760
761		-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	+
762	762
763		-This command is valid since v1.3 firmware version
	880	+**Example:**
	881	+)))
764	764
	883	+(((
	884	+**AT+CMDDL1=1000** to send the open time to 1000ms
	885	+)))
765	765
766		-AT+MBFUN has only two value:
	887	+(((
	888	+
	889	+)))
767	767
768		-* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
	891	+* (((
	892	+(% style="color:#037691" %)** Downlink Payload:**
	893	+)))
769	769
770		-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	+)))
771	771
772		-* AT+MBFUN=0: Disable Modbus fast reading.
	899	+(((
	900	+Same as: AT+CMDDLaa=hex(bb cc)*1000
	901	+)))
773	773
774		-Example:
	903	+(((
	904	+**Example:**
	905	+)))
775	775
776		-* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
777		-* 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.
778		-* 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	+)))
779	779
780		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
781	781
782	782
783		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
784	784
	914	+==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
785	785
786		-* Downlink Commands:
	916	+(((
	917	+Define to use one uplink or multiple uplinks for the sampling.
	918	+)))
787	787
788		-A9 aa -à Same as AT+MBFUN=aa
	920	+(((
	921	+The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
789	789
	923	+
	924	+)))
790	790
791		-==== RS485 command timeout ====
	926	+* (((
	927	+(% style="color:#037691" %)** AT Command:**
	928	+)))
792	792
793		-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**
794	794
795		-Default value: 0, range:  0 ~~ 5 seconds
	932	+**AT+DATAUP=1**
796	796
797	797
798		-* AT Command:
	935	+* (((
	936	+(% style="color:#037691" %)** Downlink Payload:**
	937	+)))
799	799
800		-AT+CMDDLaa=hex(bb cc)
	939	+(((
	940	+**0xAD 00**  **~-~->** Same as AT+DATAUP=0
	941	+)))
801	801
802		-Example:
	943	+(((
	944	+**0xAD 01**  **~-~->** Same as AT+DATAUP=1
	945	+)))
803	803
804		-**AT+CMDDL1=1000** to send the open time to 1000ms
805	805
806	806
807		-* Downlink Payload:
808	808
809		-0x AA aa bb cc
	950	+==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
810	810
811		-Same as: AT+CMDDLaa=hex(bb cc)
	952	+(((
	953	+Ask device to send an uplink immediately.
	954	+)))
812	812
813		- Example:
	956	+* (((
	957	+(% style="color:#037691" %)** AT Command:**
	958	+)))
814	814
815		- 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	+)))
816	816
	964	+(((
	965	+
	966	+)))
817	817
818		-==== [[Uplink>>path:#downlink_A8]] payload mode ====
	968	+* (((
	969	+(% style="color:#037691" %)** Downlink Payload:**
	970	+)))
819	819
820		-Define to use one uplink or multiple uplinks for the sampling.
	972	+(((
	973	+**0x08 FF**, RS485-LN will immediately send an uplink.
	974	+)))
821	821
822		-The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
823	823
824		-* AT Command:
825	825
826		-AT+DATAUP=0
827	827
828		-AT+DATAUP=1
	979	+==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
829	829
830		-
831		-* Downlink Payload:
832		-
833		-0xAD 00   à Same as AT+DATAUP=0
834		-
835		-0xAD 01   à Same as AT+DATAUP=1
836		-
837		-
838		-==== Manually trigger an Uplink ====
839		-
840		-Ask device to send an uplink immediately.
841		-
842		-* Downlink Payload:
843		-
844		-0x08 FF, RS485-BL will immediately send an uplink.
845		-
846		-
847		-==== Clear RS485 Command ====
848		-
	981	+(((
849	849	The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
850	850
	984	+
	985	+)))
851	851
852		-* AT Command:
	987	+* (((
	988	+(% style="color:#037691" %)** AT Command:**
	989	+)))
853	853
	991	+(((
854	854	**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
	993	+)))
855	855
	995	+(((
856	856	Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	997	+)))
857	857
	999	+(((
858	858	Example screen shot after clear all RS485 commands.
	1001	+)))
859	859
	1003	+(((
	1004	+
	1005	+)))
860	860
861		-
	1007	+(((
862	862	The uplink screen shot is:
	1009	+)))
863	863
864		-[[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" %)​
865	865
866	866
867		-* Downlink Payload:
	1014	+* (((
	1015	+(% style="color:#037691" %)** Downlink Payload:**
	1016	+)))
868	868
869		-0x09 aa bb same as AT+CMDEAR=aa,bb
	1018	+(((
	1019	+**0x09 aa bb** same as AT+CMDEAR=aa,bb
	1020	+)))
870	870
871	871
872		-==== Set Serial Communication Parameters ====
873	873
874		-Set the Rs485 serial communication parameters:
875	875
876		-* AT Command:
	1025	+==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
877	877
878		-Set Baud Rate:
	1027	+(((
	1028	+Set the Rs485 serial communication parameters:
	1029	+)))
879	879
880		-AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
	1031	+* (((
	1032	+(% style="color:#037691" %)** AT Command:**
	1033	+)))
881	881
	1035	+(((
	1036	+
882	882
883		-Set UART parity
	1038	+* Set Baud Rate
	1039	+)))
884	884
885		-AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
	1041	+**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
886	886
887	887
888		-Set STOPBIT
	1044	+(((
	1045	+* Set UART Parity
	1046	+)))
889	889
890		-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
891	891
892	892
893		-* Downlink Payload:
	1051	+(((
	1052	+* Set STOPBIT
	1053	+)))
894	894
895		-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
896	896
897		-Example:
898	898
899		-* A7 01 00 60   same as AT+BAUDR=9600
900		-* A7 01 04 80  same as AT+BAUDR=115200
901	901
902		-A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1059	+* (((
	1060	+(% style="color:#037691" %)** Downlink Payload:**
	1061	+)))
903	903
904		-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	+)))
905	905
	1067	+(((
	1068	+**Example:**
	1069	+)))
906	906
907		-==== 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	+)))
908	908
909		-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	+)))
910	910
911		-* AT Command:
	1082	+(((
	1083	+A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1084	+)))
912	912
913		-Example:
914	914
915		-AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
916	916
917		-AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
918	918
	1089	+== 3.6 Listening mode for RS485 network ==
919	919
920		-* LoRaWAN Downlink Command:
	1091	+(((
	1092	+This feature support since firmware v1.4
	1093	+)))
921	921
922		-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	+)))
923	923
924		-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" %)​
925	925
	1101	+(((
	1102	+To enable the listening mode, use can run the command AT+RXMODE.
	1103	+)))
926	926
	1105	+(((
	1106	+
	1107	+)))
927	927
	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	+)))
928	928
929		-1.
930		-11. Buttons
	1136	+(((
	1137	+(% style="color:#037691" %)** Downlink Command:**
	1138	+)))
931	931
932		-|**Button**|**Feature**
933		-|**RST**|Reboot RS485-BL
	1140	+(((
	1141	+**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
	1142	+)))
934	934
935		-1.
936		-11. +3V3 Output
	1144	+(((
	1145	+
	1146	+)))
937	937
938		-RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
	1148	+(((
	1149	+**Example**:
	1150	+)))
939	939
940		-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	+)))
941	941
	1156	+(((
	1157	+There is a two Modbus commands in the RS485 network as below:
	1158	+)))
942	942
943		-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	+)))
944	944
945		-**AT+3V3T=1000**
	1164	+(((
	1165	+And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
	1166	+)))
946	946
947		-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	+)))
948	948
	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	+)))
949	949
950		-By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
	1176	+(((
	1177	+
	1178	+)))
951	951
	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	+)))
952	952
953		-1.
954		-11. +5V Output
955	955
956		-RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
	1187	+== 3.7 Buttons ==
957	957
958		-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.
959	959
	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"]]
960	960
961		-The 5V output time can be controlled by AT Command.
962	962
963		-**AT+5VT=1000**
	1197	+== 3.8 LEDs ==
964	964
965		-Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
966	966
	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.
967	967
968		-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.
969	969
	1206	+= 4. Case Study =
970	970
	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]]
971	971
972	972
973		-1.
974		-11. LEDs
	1211	+= 5. Use AT Command =
975	975
976		-|**LEDs**|**Feature**
977		-|**LED1**|Blink when device transmit a packet.
	1213	+== 5.1 Access AT Command ==
978	978
979		-1.
980		-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	+)))
981	981
982		-|**Switch Jumper**|**Feature**
983		-|**SW1**|(((
984		-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" %)​
985	985
986		-Flash position: Configure device, check running status.
987		-)))
988		-|**SW2**|(((
989		-5V position: set to compatible with 5v I/O.
990	990
991		-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:
992	992	)))
993	993
994		-+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" %)​
995	995
996		-+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
997	997
998		-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	+)))
999	999
1000		-User can check this URL for some case studies.
1001	1001
1002		-[[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]]
1003	1003
	1235	+== 5.2 Common AT Command Sequence ==
1004	1004
1005	1005
	1238	+=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1006	1006
1007		-1. Use AT Command
1008		-11. Access AT Command
	1240	+If device has not joined network yet:
1009	1009
1010		-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**
1011	1011
1012		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
	1246	+(((
	1247	+
1013	1013
	1249	+If device already joined network:
1014	1014
1015		-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**
1016	1016
1017		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
	1254	+
	1255	+)))
1018	1018
1019	1019
	1258	+=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
1020	1020
1021		-More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
1022	1022
	1261	+(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
1023	1023
	1263	+(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
1024	1024
1025		-1.
1026		-11. Common AT Command Sequence
1027		-111. Multi-channel ABP mode (Use with SX1301/LG308)
	1265	+(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
1028	1028
1029		-If device has not joined network yet:
	1267	+(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
1030	1030
1031		-AT+FDR
	1269	+(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
1032	1032
1033		-AT+NJM=0
	1271	+(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
1034	1034
1035		-ATZ
	1273	+(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1036	1036
	1275	+(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
1037	1037
1038		-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.
1039	1039
1040		-AT+NJM=0
	1279	+(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1041	1041
1042		-ATZ
1043	1043
1044		-1.
1045		-11.
1046		-111. Single-channel ABP mode (Use with LG01/LG02)
	1282	+(% style="color:red" %)**Note:**
1047	1047
1048		-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	+)))
1049	1049
1050		-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" %)​
1051	1051
1052		-AT+ADR=0 Set the Adaptive Data Rate Off
1053	1053
1054		-AT+DR=5  Set Data Rate
	1294	+= 6. FAQ =
1055	1055
1056		-AT+TDC=60000  Set transmit interval to 60 seconds
	1296	+== 6.1 How to upgrade the image? ==
1057	1057
1058		-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	+)))
1059	1059
1060		-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	+)))
1061	1061
1062		-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	+)))
1063	1063
1064		-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" %)​
1065	1065
1066		-ATZ          Reset MCU
1067		-
1068		-**Note:**
1069		-
1070		-1. Make sure the device is set to ABP mode in the IoT Server.
1071		-1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1072		-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.
1073		-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
1074		-
1075		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1076		-
1077		-
1078		-1. FAQ
1079		-11. How to upgrade the image?
1080		-
1081		-The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1082		-
1083		-* Support new features
1084		-* For bug fix
1085		-* Change LoRaWAN bands.
1086		-
1087		-Below shows the hardware connection for how to upload an image to RS485-BL:
1088		-
1089		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1090		-
	1318	+(((
1091	1091	**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	+)))
1092	1092
	1322	+(((
1093	1093	**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
	1324	+)))
1094	1094
	1326	+(((
1095	1095	**Step3: **Open flashloader; choose the correct COM port to update.
1096		-
1097		-
1098		-|(((
1099		-HOLD PRO then press the RST button, SYS will be ON, then click next
1100	1100	)))
1101	1101
1102		-|(((
1103		-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.
1104	1104	)))
1105		-
1106		-|(((
1107		-
1108	1108	)))
	1336	+)))
1109	1109
1110		-[[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]]
1111	1111
	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" %)​
1112	1112
1113	1113
1114		-[[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" %)​
1115	1115
1116	1116
1117		-[[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" %)​
1118	1118
1119	1119
1120		-1.
1121		-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:
1122	1122
1123		-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" %)​
1124	1124
1125	1125
	1353	+== 6.2 How to change the LoRa Frequency Bands/Region? ==
1126	1126
1127		-1.
1128		-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.
1129	1129
1130		-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]].
1131	1131
	1358	+== 6.3 How many RS485-Slave can RS485-LN connects? ==
1132	1132
	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"]].
1133	1133
1134	1134
1135		-1. Trouble Shooting
1136		-11. Downlink doesn’t work, how to solve it?
	1363	+== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1137	1137
1138		-Please see this link for debug:
	1365	+When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1139	1139
1140		-[[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"]]
1141	1141
1142	1142
	1370	+= 7. Trouble Shooting =
1143	1143
1144		-1.
1145		-11. Why I can’t join TTN V3 in US915 /AU915 bands?
	1372	+== 7.1 Downlink doesn’t work, how to solve it? ==
1146	1146
1147		-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]]
1148	1148
1149		-[[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]]
1150	1150
	1377	+== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1151	1151
	1379	+It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1152	1152
1153		-1. Order Info
1154	1154
1155		-**Part Number: RS485-BL-XXX**
	1382	+= 8. Order Info =
1156	1156
1157		-**XXX:**
	1384	+(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1158	1158
1159		-* **EU433**: frequency bands EU433
1160		-* **EU868**: frequency bands EU868
1161		-* **KR920**: frequency bands KR920
1162		-* **CN470**: frequency bands CN470
1163		-* **AS923**: frequency bands AS923
1164		-* **AU915**: frequency bands AU915
1165		-* **US915**: frequency bands US915
1166		-* **IN865**: frequency bands IN865
1167		-* **RU864**: frequency bands RU864
1168		-* **KZ865: **frequency bands KZ865
	1386	+(% style="color:blue" %)**XXX:**
1169	1169
1170		-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
1171	1171
	1399	+
	1400	+= 9.Packing Info =
	1401	+
	1402	+
1172	1172	**Package Includes**:
1173	1173
1174		-* RS485-BL x 1
	1405	+* RS485-LN x 1
1175	1175	* Stick Antenna for LoRa RF part x 1
1176	1176	* Program cable x 1
1177	1177
...	...	@@ -1182,9 +1182,63 @@
1182	1182	* Package Size / pcs : 14.5 x 8 x 5 cm
1183	1183	* Weight / pcs : 170g
1184	1184
1185		-1. Support
1186	1186
1187		-* 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.
1188		-* 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 =
1189	1189
1190		-[[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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