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Details

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Title

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

Content

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3	3
4	4
5	5
6		-**RS485-LN – RS485 to LoRaWAN Converter User Manual**
7	7
8	8
	8	+
	9	+
9	9	**Table of Contents:**
10	10
	12	+{{toc/}}
11	11
12	12
13	13
14	14
	17	+
	18	+
	19	+
15	15	= 1.Introduction =
16	16
17	17	== 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
...	...	@@ -18,23 +18,37 @@
18	18
19	19	(((
20	20	(((
	26	+(((
	27	+
	28	+
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.
22	22	)))
	31	+)))
23	23
24	24	(((
	34	+(((
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.
26	26	)))
	37	+)))
27	27
28	28	(((
	40	+(((
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	)))
	43	+)))
31	31
32	32	(((
	46	+(((
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.
	48	+)))
34	34
	50	+(((
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]]
	52	+
	53	+
36	36	)))
37	37	)))
	56	+)))
38	38
39	39	[[image:1653267211009-519.png||height="419" width="724"]]
40	40
...	...	@@ -74,8 +74,9 @@
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.
	96	+* Packet engine up to 256 bytes with CRC
78	78
	98	+
79	79	== 1.3 Features ==
80	80
81	81	* LoRaWAN Class A & Class C protocol (default Class C)
...	...	@@ -87,6 +87,7 @@
87	87	* Support Modbus protocol
88	88	* Support Interrupt uplink (Since hardware version v1.2)
89	89
	110	+
90	90	== 1.4 Applications ==
91	91
92	92	* Smart Buildings & Home Automation
...	...	@@ -96,6 +96,7 @@
96	96	* Smart Cities
97	97	* Smart Factory
98	98
	120	+
99	99	== 1.5 Firmware Change log ==
100	100
101	101	[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
...	...	@@ -105,9 +105,13 @@
105	105
106	106	(((
107	107	(((
	130	+(((
108	108	v1.2: Add External Interrupt Pin.
	132	+)))
109	109
	134	+(((
110	110	v1.0: Release
	136	+)))
111	111
112	112
113	113	)))
...	...	@@ -135,7 +135,9 @@
135	135	== 3.1 How it works? ==
136	136
137	137	(((
	164	+(((
138	138	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.
	166	+)))
139	139
140	140
141	141	)))
...	...	@@ -158,12 +158,13 @@
158	158
159	159	[[image:1653268227651-549.png||height="592" width="720"]]
160	160
	189	+
161	161	(((
162		-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:
	191	+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:
163	163	)))
164	164
165	165	(((
166		-**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
	195	+(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN.
167	167	)))
168	168
169	169	(((
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173	173
174	174	[[image:1652953462722-299.png]]
175	175
	205	+
176	176	(((
177	177	(((
178	178	User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
...	...	@@ -179,7 +179,7 @@
179	179	)))
180	180
181	181	(((
182		-Add APP EUI in the application.
	212	+**Add APP EUI in the application.**
183	183	)))
184	184	)))
185	185
...	...	@@ -195,13 +195,15 @@
195	195
196	196	[[image:1652953542269-423.png||height="710" width="723"]]
197	197
198		-Add APP KEY and DEV EUI
199	199
	229	+
	230	+**Add APP KEY and DEV EUI**
	231	+
200	200	[[image:1652953553383-907.png||height="514" width="724"]]
201	201
202	202
203	203	(((
204		-**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.
	236	+(% 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.
205	205	)))
206	206
207	207	[[image:1652953568895-172.png||height="232" width="724"]]
...	...	@@ -211,11 +211,15 @@
211	211
212	212	(((
213	213	(((
214		-There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>path:#AT_COMMAND]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
	246	+(((
	247	+There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>||anchor="H3.5ConfigureRS485-LNviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
215	215	)))
	249	+)))
216	216
217	217	(((
	252	+(((
218	218	(% style="color:red" %)Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1
	254	+)))
219	219
220	220
221	221	)))
...	...	@@ -225,19 +225,19 @@
225	225
226	226	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:
227	227
228		-(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
229		-|(% style="width:128px" %)(((
	264	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	265	+|=(% style="width: 110px;" %)(((
230	230	**AT Commands**
231		-)))|(% style="width:305px" %)(((
	267	+)))|=(% style="width: 190px;" %)(((
232	232	**Description**
233		-)))|(% style="width:346px" %)(((
	269	+)))|=(% style="width: 190px;" %)(((
234	234	**Example**
235	235	)))
236		-|(% style="width:128px" %)(((
	272	+|(% style="width:110px" %)(((
237	237	AT+BAUDR
238		-)))|(% style="width:305px" %)(((
	274	+)))|(% style="width:190px" %)(((
239	239	Set the baud rate (for RS485 connection). Default Value is: 9600.
240		-)))|(% style="width:346px" %)(((
	276	+)))|(% style="width:190px" %)(((
241	241	(((
242	242	AT+BAUDR=9600
243	243	)))
...	...	@@ -246,11 +246,11 @@
246	246	Options: (1200,2400,4800,14400,19200,115200)
247	247	)))
248	248	)))
249		-|(% style="width:128px" %)(((
	285	+|(% style="width:110px" %)(((
250	250	AT+PARITY
251		-)))|(% style="width:305px" %)(((
	287	+)))|(% style="width:190px" %)(((
252	252	Set UART parity (for RS485 connection)
253		-)))|(% style="width:346px" %)(((
	289	+)))|(% style="width:190px" %)(((
254	254	(((
255	255	AT+PARITY=0
256	256	)))
...	...	@@ -259,9 +259,9 @@
259	259	Option: 0: no parity, 1: odd parity, 2: even parity
260	260	)))
261	261	)))
262		-|(% style="width:128px" %)(((
	298	+|(% style="width:110px" %)(((
263	263	AT+STOPBIT
264		-)))|(% style="width:305px" %)(((
	300	+)))|(% style="width:190px" %)(((
265	265	(((
266	266	Set serial stopbit (for RS485 connection)
267	267	)))
...	...	@@ -269,7 +269,7 @@
269	269	(((
270	270
271	271	)))
272		-)))|(% style="width:346px" %)(((
	308	+)))|(% style="width:190px" %)(((
273	273	(((
274	274	AT+STOPBIT=0 for 1bit
275	275	)))
...	...	@@ -283,6 +283,8 @@
283	283	)))
284	284	)))
285	285
	322	+
	323	+
286	286	=== 3.3.2 Configure sensors ===
287	287
288	288	(((
...	...	@@ -291,16 +291,24 @@
291	291	)))
292	292	)))
293	293
294		-(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
295		-|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
296		-|AT+CFGDEV|(% style="width:418px" %)(((
	332	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	333	+|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
	334	+|AT+CFGDEV|(% style="width:110px" %)(((
	335	+(((
297	297	This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
	337	+)))
298	298
	339	+(((
299	299	AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
	341	+)))
300	300
	343	+(((
301	301	mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
302		-)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
	345	+)))
	346	+)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
303	303
	348	+
	349	+
304	304	=== 3.3.3 Configure read commands for each sampling ===
305	305
306	306	(((
...	...	@@ -313,7 +313,7 @@
313	313	During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
314	314
315	315
316		-**Each RS485 commands include two parts:**
	362	+(% style="color:#037691" %)**Each RS485 commands include two parts:**
317	317
318	318	~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.
319	319
...	...	@@ -324,15 +324,14 @@
324	324
325	325	After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
326	326
327		-
328	328	Below are examples for the how above AT Commands works.
329	329
330	330
331		-**AT+COMMANDx : **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is:
	376	+(% 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:
332	332
333	333	(% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
334	334	|(% style="width:496px" %)(((
335		-**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	380	+(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
336	336
337	337	**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
338	338
...	...	@@ -344,10 +344,10 @@
344	344	In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
345	345
346	346
347		-**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
	392	+(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
348	348
349		-(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
350		-|(% style="width:722px" %)(((
	394	+(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
	395	+|(% style="width:510px" %)(((
351	351	**AT+DATACUTx=a,b,c**
352	352
353	353	* **a: length for the return of AT+COMMAND**
...	...	@@ -357,20 +357,21 @@
357	357
358	358	**Examples:**
359	359
360		-* Grab bytes:
	405	+* (% style="color:#037691" %)**Grab bytes**
361	361
362	362	[[image:image-20220602153621-1.png]]
363	363
364	364
365		-* Grab a section.
	410	+* (% style="color:#037691" %)**Grab a section**
366	366
367	367	[[image:image-20220602153621-2.png]]
368	368
369	369
370		-* Grab different sections.
	415	+* (% style="color:#037691" %)**Grab different sections**
371	371
372	372	[[image:image-20220602153621-3.png]]
373	373
	419	+
374	374
375	375	)))
376	376
...	...	@@ -416,6 +416,7 @@
416	416
417	417	(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
418	418
	465	+
419	419	1. PAYVER: Defined by AT+PAYVER
420	420	1. PAYLOAD COUNT: Total how many uplinks of this sampling.
421	421	1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
...	...	@@ -446,681 +446,1008 @@
446	446
447	447	Below are the uplink payloads:
448	448
449		-[[image:1653270130359-810.png]]
	496	+[[image:1654157178836-407.png]]
450	450
451	451
452		-(% style="color:red" %)**Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:**
453	453
454		- ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
455		-
456		- * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
457		-
458		- * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
459		-
460		- ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
461		-
462	462	=== 3.3.5 Uplink on demand ===
463	463
464		-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.
	502	+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.
465	465
466	466	Downlink control command:
467	467
468		-[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
	506	+**0x08 command**: Poll an uplink with current command set in RS485-LN.
469	469
470		-[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
	508	+**0xA8 command**: Send a command to RS485-LN and uplink the output from sensors.
471	471
472	472
473	473
474		-1.
475		-11.
476		-111. Uplink on Interrupt
	512	+=== 3.3.6 Uplink on Interrupt ===
477	477
478		-Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
	514	+RS485-LN support external Interrupt uplink since hardware v1.2 release.
479	479
480		-AT+INTMOD=0  Disable Interrupt
	516	+[[image:1654157342174-798.png]]
481	481
482		-AT+INTMOD=1  Interrupt trigger by rising or falling edge.
	518	+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.
483	483
484		-AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
485	485
486		-AT+INTMOD=3  Interrupt trigger by rising edge.
	521	+== 3.4 Uplink Payload ==
487	487
488	488
489		-1.
490		-11. Uplink Payload
	524	+[[image:image-20220606110929-1.png]]
491	491
492		-|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
493		-|Value|(((
494		-Battery(mV)
495		-
496		-&
497		-
498		-Interrupt _Flag
499		-)))|(((
500		-PAYLOAD_VER
501		-
502		-
503		-)))|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.
504		-
505	505	Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
506	506
507	507
508		-function Decoder(bytes, port) {
	529	+== 3.5 Configure RS485-LN via AT or Downlink ==
509	509
510		-~/~/Payload Formats of RS485-BL Deceive
	531	+(((
	532	+User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
	533	+)))
511	511
512		-return {
513		-
514		- ~/~/Battery,units:V
515		-
516		- BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
517		-
518		- ~/~/GPIO_EXTI
519		-
520		- EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
521		-
522		- ~/~/payload of version
523		-
524		- Pay_ver:bytes[2],
525		-
526		- };
527		-
528		- }
529		-
530		-
531		-
532		-
533		-
534		-
535		-
536		-TTN V3 uplink screen shot.
537		-
538		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
539		-
540		-1.
541		-11. Configure RS485-BL via AT or Downlink
542		-
543		-User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
544		-
	535	+(((
545	545	There are two kinds of Commands:
	537	+)))
546	546
547		-* **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
	539	+* (((
	540	+(% 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]]
	541	+)))
548	548
549		-* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
	543	+* (((
	544	+(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
	545	+)))
550	550
551		-1.
552		-11.
553		-111. Common Commands:
	547	+(((
	548	+
	549	+)))
554	554
555		-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]]
556	556
	552	+=== 3.5.1 Common Commands ===
557	557
558		-1.
559		-11.
560		-111. Sensor related commands:
	554	+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]]
561	561
562		-==== Choose Device Type (RS485 or TTL) ====
563	563
564		-RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
	557	+=== 3.5.2 Sensor related commands ===
565	565
566		-* AT Command
	559	+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.
567	567
568		-**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
	561	+[[image:image-20220602163333-5.png||height="263" width="1160"]]
569	569
570		-**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
	563	+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)
571	571
572	572
573		-* Downlink Payload
	566	+=== 3.5.3 Sensor related commands ===
574	574
575		-**0A aa**     à same as AT+MOD=aa
576	576
577	577
578	578
579		-==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
	571	+==== (% style="color:#037691" %)**RS485 Debug Command**(%%) ====
580	580
581		-This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
	573	+(((
	574	+This command is used to configure the RS485 devices; they won’t be used during sampling.
	575	+)))
582	582
583		-* AT Command
	577	+* (((
	578	+(% style="color:#037691" %)**AT Command**
584	584
585		-AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
	580	+**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
586	586
587		-m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
	582	+
	583	+)))
588	588
	585	+(((
	586	+m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
	587	+)))
589	589
	589	+* (((
	590	+(% style="color:#037691" %)**Downlink Payload**
	591	+)))
590	590
591		-* Downlink Payload
592		-
	593	+(((
593	593	Format: A8 MM NN XX XX XX XX YY
	595	+)))
594	594
	597	+(((
595	595	Where:
	599	+)))
596	596
597		-* MM: 1: add CRC-16/MODBUS ; 0: no CRC
598		-* NN: The length of RS485 command
599		-* XX XX XX XX: RS485 command total NN bytes
600		-* YY: How many bytes will be uplink from the return of this RS485 command, if YY=0, RS485-BL will execute the downlink command without uplink; if YY>0, RS485-BL will uplink total YY bytes from the output of this RS485 command
	601	+* (((
	602	+MM: 1: add CRC-16/MODBUS ; 0: no CRC
	603	+)))
	604	+* (((
	605	+NN: The length of RS485 command
	606	+)))
	607	+* (((
	608	+XX XX XX XX: RS485 command total NN bytes
	609	+)))
	610	+* (((
	611	+(((
	612	+YY: How many bytes will be uplink from the return of this RS485 command,
	613	+)))
601	601
602		-**Example 1:**
	615	+* (((
	616	+if YY=0, RS485-LN will execute the downlink command without uplink;
	617	+)))
	618	+* (((
	619	+if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
	620	+)))
	621	+* (((
	622	+if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
	623	+)))
	624	+)))
603	603
	626	+(((
	627	+**Example 1** ~-~-> Configure without ask for uplink (YY=0)
	628	+)))
	629	+
	630	+(((
604	604	To connect a Modbus Alarm with below commands.
	632	+)))
605	605
606		-* 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.
	634	+* (((
	635	+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.
	636	+)))
607	607
608		-* 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.
	638	+* (((
	639	+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.
	640	+)))
609	609
	642	+(((
610	610	So if user want to use downlink command to control to RS485 Alarm, he can use:
	644	+)))
611	611
612		-**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
	646	+(((
	647	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
	648	+)))
613	613
614		-**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
	650	+(((
	651	+(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
	652	+)))
615	615
	654	+(((
616	616	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.
	656	+)))
617	617
	658	+(((
	659	+
	660	+)))
618	618
619		-**Example 2:**
	662	+(((
	663	+**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
	664	+)))
620	620
621		-Check TTL Sensor return:
	666	+(((
	667	+User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
	668	+)))
622	622
623		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
	670	+(((
	671	+
	672	+)))
624	624
	674	+(((
	675	+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:
	676	+)))
625	625
	678	+(((
	679	+ **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
	680	+)))
626	626
	682	+(((
	683	+ [[image:1654159460680-153.png]]
	684	+)))
627	627
628		-==== Set Payload version ====
629	629
630		-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.
631	631
632		-* AT Command:
633	633
634		-AT+PAYVER: Set PAYVER field = 1
	689	+==== **Set Payload version** ====
635	635
	691	+(((
	692	+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.
	693	+)))
636	636
637		-* Downlink Payload:
	695	+* (((
	696	+**AT Command:**
	697	+)))
638	638
639		-0xAE 01   à Set PAYVER field =  0x01
	699	+(% class="box infomessage" %)
	700	+(((
	701	+(((
	702	+**AT+PAYVER: Set PAYVER field = 1**
	703	+)))
	704	+)))
640	640
641		-0xAE 0F   à Set PAYVER field =  0x0F
	706	+* (((
	707	+**Downlink Payload:**
	708	+)))
642	642
	710	+(((
	711	+**0xAE 01**  ~-~-> Set PAYVER field =  0x01
	712	+)))
643	643
644		-==== Set RS485 Sampling Commands ====
	714	+(((
	715	+**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
	716	+)))
645	645
646		-AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
647	647
648		-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]].
649	649
650	650
651		-* AT Command:
	721	+==== **Set RS485 Sampling Commands** ====
652	652
653		-AT+COMMANDx: Configure RS485 read command to sensor.
	723	+(((
	724	+AT+COMMANDx or AT+DATACUTx
	725	+)))
654	654
655		-AT+DATACUTx: Configure how to handle return from RS485 devices.
	727	+(((
	728	+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"]].
	729	+)))
656	656
657		-AT+SEARCHx: Configure search command
	731	+(((
	732	+
	733	+)))
658	658
	735	+* (((
	736	+**AT Command:**
	737	+)))
659	659
660		-* Downlink Payload:
	739	+(% class="box infomessage" %)
	740	+(((
	741	+(((
	742	+**AT+COMMANDx: Configure RS485 read command to sensor.**
	743	+)))
	744	+)))
661	661
662		-0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	746	+(% class="box infomessage" %)
	747	+(((
	748	+(((
	749	+**AT+DATACUTx: Configure how to handle return from RS485 devices.**
	750	+)))
	751	+)))
663	663
664		-Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	753	+(((
	754	+
	755	+)))
665	665
666		-Format: AF MM NN LL XX XX XX XX YY
	757	+* (((
	758	+**Downlink Payload:**
	759	+)))
667	667
668		-Where:
	761	+(((
	762	+**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	763	+)))
669	669
670		-* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
671		-* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
672		-* LL: The length of AT+COMMAND or AT+DATACUT command
673		-* XX XX XX XX: AT+COMMAND or AT+DATACUT command
674		-* 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.
	765	+(((
	766	+(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	767	+)))
675	675
676		-Example:
	769	+(((
	770	+Format: AF MM NN LL XX XX XX XX YY
	771	+)))
677	677
678		-**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
	773	+(((
	774	+Where:
	775	+)))
679	679
680		-**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
	777	+* (((
	778	+MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
	779	+)))
	780	+* (((
	781	+NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
	782	+)))
	783	+* (((
	784	+LL:  The length of AT+COMMAND or AT+DATACUT command
	785	+)))
	786	+* (((
	787	+XX XX XX XX: AT+COMMAND or AT+DATACUT command
	788	+)))
	789	+* (((
	790	+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.
	791	+)))
681	681
682		-**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
	793	+(((
	794	+**Example:**
	795	+)))
683	683
	797	+(((
	798	+(% 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
	799	+)))
684	684
685		-0xAB downlink command can be used for set AT+SEARCHx
	801	+(((
	802	+(% 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**
	803	+)))
686	686
687		-Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
	805	+(((
	806	+(% 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**
	807	+)))
688	688
689		-* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
690		-* 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
691	691
692		-**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
693	693
694	694
695		-==== Fast command to handle MODBUS device ====
	812	+==== **Fast command to handle MODBUS device** ====
696	696
	814	+(((
697	697	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]].
	816	+)))
698	698
	818	+(((
699	699	This command is valid since v1.3 firmware version
	820	+)))
700	700
	822	+(((
	823	+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.
	824	+)))
701	701
702		-AT+MBFUN has only two value:
	826	+(((
	827	+
	828	+)))
703	703
704		-* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
	830	+(((
	831	+**Example:**
	832	+)))
705	705
706		-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.
	834	+* (((
	835	+AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
	836	+)))
	837	+* (((
	838	+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.
	839	+)))
	840	+* (((
	841	+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.
	842	+)))
707	707
708		-* AT+MBFUN=0: Disable Modbus fast reading.
	844	+[[image:image-20220602165351-6.png]]
709	709
710		-Example:
	846	+[[image:image-20220602165351-7.png]]
711	711
712		-* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
713		-* 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.
714		-* 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.
715	715
716		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
717	717
718	718
719		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
	851	+==== **RS485 command timeout** ====
720	720
	853	+(((
	854	+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.
	855	+)))
721	721
722		-* Downlink Commands:
	857	+(((
	858	+Default value: 0, range:  0 ~~ 65 seconds
	859	+)))
723	723
724		-A9 aa -à Same as AT+MBFUN=aa
	861	+* (((
	862	+**AT Command:**
	863	+)))
725	725
	865	+(% class="box infomessage" %)
	866	+(((
	867	+(((
	868	+**AT+CMDDLaa=hex(bb cc)*1000**
	869	+)))
	870	+)))
726	726
727		-==== RS485 command timeout ====
	872	+(((
	873	+**Example:**
	874	+)))
728	728
729		-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.
	876	+(((
	877	+**AT+CMDDL1=1000** to send the open time to 1000ms
	878	+)))
730	730
731		-Default value: 0, range:  0 ~~ 5 seconds
	880	+(((
	881	+
	882	+)))
732	732
	884	+* (((
	885	+**Downlink Payload:**
	886	+)))
733	733
734		-* AT Command:
	888	+(((
	889	+**0x AA aa bb cc**
	890	+)))
735	735
736		-AT+CMDDLaa=hex(bb cc)
	892	+(((
	893	+Same as: AT+CMDDLaa=hex(bb cc)*1000
	894	+)))
737	737
738		-Example:
	896	+(((
	897	+ **Example:**
	898	+)))
739	739
740		-**AT+CMDDL1=1000** to send the open time to 1000ms
	900	+(((
	901	+ 0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
	902	+)))
741	741
742	742
743		-* Downlink Payload:
744	744
745		-0x AA aa bb cc
746	746
747		-Same as: AT+CMDDLaa=hex(bb cc)
	907	+==== **Uplink payload mode** ====
748	748
749		- Example:
	909	+(((
	910	+Define to use one uplink or multiple uplinks for the sampling.
	911	+)))
750	750
751		- 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
	913	+(((
	914	+The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
	915	+)))
752	752
	917	+* (((
	918	+**AT Command:**
	919	+)))
753	753
754		-==== [[Uplink>>path:#downlink_A8]] payload mode ====
	921	+(% class="box infomessage" %)
	922	+(((
	923	+(((
	924	+**AT+DATAUP=0**
	925	+)))
	926	+)))
755	755
756		-Define to use one uplink or multiple uplinks for the sampling.
	928	+(% class="box infomessage" %)
	929	+(((
	930	+(((
	931	+**AT+DATAUP=1**
	932	+)))
	933	+)))
757	757
758		-The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
	935	+(((
	936	+
	937	+)))
759	759
760		-* AT Command:
	939	+* (((
	940	+**Downlink Payload:**
	941	+)))
761	761
762		-AT+DATAUP=0
	943	+(((
	944	+**0xAD 00**  **~-~->** Same as AT+DATAUP=0
	945	+)))
763	763
764		-AT+DATAUP=1
	947	+(((
	948	+**0xAD 01**  **~-~->** Same as AT+DATAUP=1
	949	+)))
765	765
766	766
767		-* Downlink Payload:
768	768
769		-0xAD 00   à Same as AT+DATAUP=0
770	770
771		-0xAD 01   à Same as AT+DATAUP=1
	954	+==== **Manually trigger an Uplink** ====
772	772
	956	+(((
	957	+Ask device to send an uplink immediately.
	958	+)))
773	773
774		-==== Manually trigger an Uplink ====
	960	+* (((
	961	+**AT Command:**
	962	+)))
775	775
776		-Ask device to send an uplink immediately.
	964	+(((
	965	+No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
	966	+)))
777	777
778		-* Downlink Payload:
	968	+(((
	969	+
	970	+)))
779	779
780		-0x08 FF, RS485-BL will immediately send an uplink.
	972	+* (((
	973	+**Downlink Payload:**
	974	+)))
781	781
	976	+(((
	977	+**0x08 FF**, RS485-LN will immediately send an uplink.
	978	+)))
782	782
783		-==== Clear RS485 Command ====
784	784
785		-The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
786	786
787	787
788		-* AT Command:
	983	+==== **Clear RS485 Command** ====
789	789
	985	+(((
	986	+The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
	987	+)))
	988	+
	989	+* (((
	990	+**AT Command:**
	991	+)))
	992	+
	993	+(((
790	790	**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
	995	+)))
791	791
	997	+(((
792	792	Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	999	+)))
793	793
	1001	+(((
794	794	Example screen shot after clear all RS485 commands.
	1003	+)))
795	795
	1005	+(((
	1006	+
	1007	+)))
796	796
797		-
	1009	+(((
798	798	The uplink screen shot is:
	1011	+)))
799	799
800		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
	1013	+[[image:1654160691922-496.png]]
801	801
802	802
803		-* Downlink Payload:
	1016	+* (((
	1017	+**Downlink Payload:**
	1018	+)))
804	804
805		-0x09 aa bb same as AT+CMDEAR=aa,bb
	1020	+(((
	1021	+**0x09 aa bb** same as AT+CMDEAR=aa,bb
	1022	+)))
806	806
807	807
808		-==== Set Serial Communication Parameters ====
809	809
	1026	+
	1027	+==== **Set Serial Communication Parameters** ====
	1028	+
	1029	+(((
810	810	Set the Rs485 serial communication parameters:
	1031	+)))
811	811
812		-* AT Command:
	1033	+* (((
	1034	+**AT Command:**
	1035	+)))
813	813
	1037	+(((
814	814	Set Baud Rate:
	1039	+)))
815	815
816		-AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
	1041	+(% class="box infomessage" %)
	1042	+(((
	1043	+(((
	1044	+**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
	1045	+)))
	1046	+)))
817	817
	1048	+(((
	1049	+Set UART Parity
	1050	+)))
818	818
819		-Set UART parity
	1052	+(% class="box infomessage" %)
	1053	+(((
	1054	+(((
	1055	+**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
	1056	+)))
	1057	+)))
820	820
821		-AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
822		-
823		-
	1059	+(((
824	824	Set STOPBIT
	1061	+)))
825	825
826		-AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
	1063	+(% class="box infomessage" %)
	1064	+(((
	1065	+(((
	1066	+**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
	1067	+)))
	1068	+)))
827	827
	1070	+(((
	1071	+
	1072	+)))
828	828
829		-* Downlink Payload:
	1074	+* (((
	1075	+**Downlink Payload:**
	1076	+)))
830	830
831		-A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
	1078	+(((
	1079	+**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
	1080	+)))
832	832
833		-Example:
	1082	+(((
	1083	+**Example:**
	1084	+)))
834	834
835		-* A7 01 00 60   same as AT+BAUDR=9600
836		-* A7 01 04 80  same as AT+BAUDR=115200
	1086	+* (((
	1087	+A7 01 00 60   same as AT+BAUDR=9600
	1088	+)))
	1089	+* (((
	1090	+A7 01 04 80  same as AT+BAUDR=115200
	1091	+)))
837	837
	1093	+(((
838	838	A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1095	+)))
839	839
	1097	+(((
840	840	A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1099	+)))
841	841
842	842
843		-==== Control output power duration ====
844	844
845		-User can set the output power duration before each sampling.
846	846
847		-* AT Command:
	1104	+== 3.6 Listening mode for RS485 network ==
848	848
849		-Example:
	1106	+(((
	1107	+This feature support since firmware v1.4
	1108	+)))
850	850
851		-AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
	1110	+(((
	1111	+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.
	1112	+)))
852	852
853		-AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
	1114	+[[image:image-20220602171200-8.png||height="567" width="1007"]]
854	854
	1116	+(((
	1117	+To enable the listening mode, use can run the command AT+RXMODE.
	1118	+)))
855	855
856		-* LoRaWAN Downlink Command:
	1120	+(((
	1121	+
	1122	+)))
857	857
858		-07 01 aa bb  Same as AT+5VT=(aa bb)
	1124	+(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
	1125	+|=(% style="width: 100px;" %)(((
	1126	+**Command example**
	1127	+)))|=(% style="width: 400px;" %)(((
	1128	+**Function**
	1129	+)))
	1130	+|(% style="width:100px" %)(((
	1131	+AT+RXMODE=1,10
	1132	+)))|(% style="width:400px" %)(((
	1133	+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.
	1134	+)))
	1135	+|(% style="width:100px" %)(((
	1136	+AT+RXMODE=2,500
	1137	+)))|(% style="width:400px" %)(((
	1138	+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
	1139	+)))
	1140	+|(% style="width:100px" %)(((
	1141	+AT+RXMODE=0,0
	1142	+)))|(% style="width:400px" %)(((
	1143	+Disable listening mode. This is the default settings.
	1144	+)))
	1145	+|(% style="width:100px" %)(((
	1146	+
	1147	+)))|(% style="width:400px" %)(((
	1148	+A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
	1149	+)))
859	859
860		-07 02 aa bb  Same as AT+3V3T=(aa bb)
	1151	+(((
	1152	+**Downlink Command:**
	1153	+)))
861	861
	1155	+(((
	1156	+**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
	1157	+)))
862	862
	1159	+(((
	1160	+
	1161	+)))
863	863
	1163	+(((
	1164	+**Example**:
	1165	+)))
864	864
865		-1.
866		-11. Buttons
	1167	+(((
	1168	+The RS485-LN is set to AT+RXMODE=2,1000
	1169	+)))
867	867
868		-|**Button**|**Feature**
869		-|**RST**|Reboot RS485-BL
	1171	+(((
	1172	+There is a two Modbus commands in the RS485 network as below:
	1173	+)))
870	870
871		-1.
872		-11. +3V3 Output
	1175	+(((
	1176	+The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
	1177	+)))
873	873
874		-RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
	1179	+(((
	1180	+And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
	1181	+)))
875	875
876		-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.
	1183	+(((
	1184	+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
	1185	+)))
877	877
	1187	+(((
	1188	+[[image:image-20220602171200-9.png]]
	1189	+)))
878	878
879		-The +3V3 output time can be controlled by AT Command.
	1191	+(((
	1192	+
	1193	+)))
880	880
881		-**AT+3V3T=1000**
	1195	+(((
	1196	+(((
	1197	+(% 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.
	1198	+)))
	1199	+)))
882	882
883		-Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
884	884
	1202	+== 3.7 Buttons ==
885	885
886		-By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
887	887
	1205	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1206	+|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
	1207	+|(% 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**
	1208	+|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
	1209	+|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
888	888
889		-1.
890		-11. +5V Output
	1211	+== 3.8 LEDs ==
891	891
892		-RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
893	893
894		-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.
	1214	+(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
	1215	+|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
	1216	+|**PWR**|Always on if there is power
	1217	+|**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.
895	895
	1219	+= 4. Case Study =
896	896
897		-The 5V output time can be controlled by AT Command.
	1221	+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]]
898	898
899		-**AT+5VT=1000**
900	900
901		-Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
	1224	+= 5. Use AT Command =
902	902
	1226	+== 5.1 Access AT Command ==
903	903
904		-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.
	1228	+(((
	1229	+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.
	1230	+)))
905	905
	1232	+[[image:1654162355560-817.png]]
906	906
907	907
	1235	+(((
	1236	+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:
	1237	+)))
908	908
909		-1.
910		-11. LEDs
	1239	+[[image:1654162368066-342.png]]
911	911
912		-|**LEDs**|**Feature**
913		-|**LED1**|Blink when device transmit a packet.
914	914
915		-1.
916		-11. Switch Jumper
917		-
918		-|**Switch Jumper**|**Feature**
919		-|**SW1**|(((
920		-ISP position: Upgrade firmware via UART
921		-
922		-Flash position: Configure device, check running status.
	1242	+(((
	1243	+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/]]
923	923	)))
924		-|**SW2**|(((
925		-5V position: set to compatible with 5v I/O.
926	926
927		-3.3v position: set to compatible with 3.3v I/O.,
928		-)))
929	929
930		-+3.3V: is always ON
931	931
932		-+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
	1248	+== 5.2 Common AT Command Sequence ==
933	933
934		-1. Case Study
	1250	+=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
935	935
936		-User can check this URL for some case studies.
	1252	+If device has not joined network yet:
937	937
938		-[[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]]
	1254	+(% class="box infomessage" %)
	1255	+(((
	1256	+**AT+FDR**
	1257	+)))
939	939
	1259	+(% class="box infomessage" %)
	1260	+(((
	1261	+**AT+NJM=0**
	1262	+)))
940	940
	1264	+(% class="box infomessage" %)
	1265	+(((
	1266	+**ATZ**
	1267	+)))
941	941
942	942
943		-1. Use AT Command
944		-11. Access AT Command
	1270	+(((
	1271	+If device already joined network:
	1272	+)))
945	945
946		-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.
	1274	+(% class="box infomessage" %)
	1275	+(((
	1276	+**AT+NJM=0**
	1277	+)))
947	947
948		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
	1279	+(% class="box infomessage" %)
	1280	+(((
	1281	+**ATZ**
	1282	+)))
949	949
950	950
951		-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:
	1285	+=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
952	952
953		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
954	954
	1288	+(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
955	955
	1290	+(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
956	956
957		-More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
	1292	+(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
958	958
	1294	+(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)Set Data Rate
959	959
	1296	+(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
960	960
961		-1.
962		-11. Common AT Command Sequence
963		-111. Multi-channel ABP mode (Use with SX1301/LG308)
	1298	+(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
964	964
965		-If device has not joined network yet:
	1300	+(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
966	966
967		-AT+FDR
	1302	+(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
968	968
969		-AT+NJM=0
	1304	+(% 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.
970	970
971		-ATZ
	1306	+(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
972	972
973	973
974		-If device already joined network:
	1309	+(% style="color:red" %)**Note:**
975	975
976		-AT+NJM=0
	1311	+(((
	1312	+(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
	1313	+2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
	1314	+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.
	1315	+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
	1316	+)))
977	977
978		-ATZ
	1318	+[[image:1654162478620-421.png]]
979	979
980		-1.
981		-11.
982		-111. Single-channel ABP mode (Use with LG01/LG02)
983	983
984		-AT+FDR   Reset Parameters to Factory Default, Keys Reserve
	1321	+= 6. FAQ =
985	985
986		-AT+NJM=0 Set to ABP mode
	1323	+== 6.1 How to upgrade the image? ==
987	987
988		-AT+ADR=0 Set the Adaptive Data Rate Off
	1325	+(((
	1326	+The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
	1327	+)))
989	989
990		-AT+DR=5  Set Data Rate
	1329	+* (((
	1330	+Support new features
	1331	+)))
	1332	+* (((
	1333	+For bug fix
	1334	+)))
	1335	+* (((
	1336	+Change LoRaWAN bands.
	1337	+)))
991	991
992		-AT+TDC=60000  Set transmit interval to 60 seconds
	1339	+(((
	1340	+Below shows the hardware connection for how to upload an image to RS485-LN:
	1341	+)))
993	993
994		-AT+CHS=868400000 Set transmit frequency to 868.4Mhz
	1343	+[[image:1654162535040-878.png]]
995	995
996		-AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
	1345	+(((
	1346	+**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]].
	1347	+)))
997	997
998		-AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
	1349	+(((
	1350	+**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
	1351	+)))
999	999
1000		-AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
	1353	+(((
	1354	+**Step3: **Open flashloader; choose the correct COM port to update.
	1355	+)))
1001	1001
1002		-ATZ          Reset MCU
	1357	+(((
	1358	+(((
	1359	+(((
	1360	+(% 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.
	1361	+)))
	1362	+)))
	1363	+)))
1003	1003
1004		-**Note:**
1005	1005
1006		-1. Make sure the device is set to ABP mode in the IoT Server.
1007		-1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1008		-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.
1009		-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
	1366	+[[image:image-20220602175818-12.png]]
1010	1010
1011		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1012	1012
	1369	+[[image:image-20220602175848-13.png]]
1013	1013
1014		-1. FAQ
1015		-11. How to upgrade the image?
1016	1016
1017		-The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
	1372	+[[image:image-20220602175912-14.png]]
1018	1018
1019		-* Support new features
1020		-* For bug fix
1021		-* Change LoRaWAN bands.
1022	1022
1023		-Below shows the hardware connection for how to upload an image to RS485-BL:
	1375	+**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1024	1024
1025		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
	1377	+[[image:image-20220602175638-10.png]]
1026	1026
1027		-**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]].
1028	1028
1029		-**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
	1380	+== 6.2 How to change the LoRa Frequency Bands/Region? ==
1030	1030
1031		-**Step3: **Open flashloader; choose the correct COM port to update.
	1382	+User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1032	1032
1033	1033
1034		-|(((
1035		-HOLD PRO then press the RST button, SYS will be ON, then click next
1036		-)))
	1385	+== 6.3 How many RS485-Slave can RS485-LN connects? ==
1037	1037
1038		-|(((
1039		-Board detected
1040		-)))
	1387	+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"]].
1041	1041
1042		-|(((
1043		-
1044		-)))
1045	1045
1046		-[[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]]
	1390	+== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1047	1047
	1392	+When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1048	1048
	1394	+Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1049	1049
1050		-[[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]]
1051	1051
	1397	+= 7. Trouble Shooting =
1052	1052
1053		-[[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]]
	1399	+== 7.1 Downlink doesn’t work, how to solve it? ==
1054	1054
	1401	+Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1055	1055
1056		-1.
1057		-11. How to change the LoRa Frequency Bands/Region?
1058	1058
1059		-User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
	1404	+== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1060	1060
	1406	+It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1061	1061
1062	1062
1063		-1.
1064		-11. How many RS485-Slave can RS485-BL connects?
	1409	+= 8. Order Info =
1065	1065
1066		-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]].
	1411	+(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1067	1067
	1413	+(% style="color:blue" %)**XXX:**
1068	1068
	1415	+* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
	1416	+* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
	1417	+* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
	1418	+* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
	1419	+* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
	1420	+* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
	1421	+* (% style="color:blue" %)**US915**(%%): frequency bands US915
	1422	+* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
	1423	+* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
	1424	+* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1069	1069
	1426	+= 9.Packing Info =
1070	1070
1071		-1. Trouble Shooting
1072		-11. Downlink doesn’t work, how to solve it?
1073	1073
1074		-Please see this link for debug:
	1429	+**Package Includes**:
1075	1075
1076		-[[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]]
	1431	+* RS485-LN x 1
	1432	+* Stick Antenna for LoRa RF part x 1
	1433	+* Program cable x 1
1077	1077
	1435	+**Dimension and weight**:
1078	1078
	1437	+* Device Size: 13.5 x 7 x 3 cm
	1438	+* Device Weight: 105g
	1439	+* Package Size / pcs : 14.5 x 8 x 5 cm
	1440	+* Weight / pcs : 170g
1079	1079
1080		-1.
1081		-11. Why I can’t join TTN V3 in US915 /AU915 bands?
	1442	+= 10. FCC Caution for RS485LN-US915 =
1082	1082
1083		-It might about the channels mapping. Please see for detail.
	1444	+(((
	1445	+Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
	1446	+)))
1084	1084
1085		-[[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]]
	1448	+(((
	1449	+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.
	1450	+)))
1086	1086
	1452	+(((
	1453	+
	1454	+)))
1087	1087
	1456	+(((
	1457	+**IMPORTANT NOTE:**
	1458	+)))
1088	1088
1089		-1. Order Info
	1460	+(((
	1461	+**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:
	1462	+)))
1090	1090
1091		-**Part Number: RS485-BL-XXX**
	1464	+(((
	1465	+—Reorient or relocate the receiving antenna.
	1466	+)))
1092	1092
1093		-**XXX:**
	1468	+(((
	1469	+—Increase the separation between the equipment and receiver.
	1470	+)))
1094	1094
1095		-* **EU433**: frequency bands EU433
1096		-* **EU868**: frequency bands EU868
1097		-* **KR920**: frequency bands KR920
1098		-* **CN470**: frequency bands CN470
1099		-* **AS923**: frequency bands AS923
1100		-* **AU915**: frequency bands AU915
1101		-* **US915**: frequency bands US915
1102		-* **IN865**: frequency bands IN865
1103		-* **RU864**: frequency bands RU864
1104		-* **KZ865: **frequency bands KZ865
	1472	+(((
	1473	+—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
	1474	+)))
1105	1105
1106		-1. Packing Info
	1476	+(((
	1477	+—Consult the dealer or an experienced radio/TV technician for help.
	1478	+)))
1107	1107
1108		-**Package Includes**:
	1480	+(((
	1481	+
	1482	+)))
1109	1109
1110		-* RS485-BL x 1
1111		-* Stick Antenna for LoRa RF part x 1
1112		-* Program cable x 1
	1484	+(((
	1485	+**FCC Radiation Exposure Statement:**
	1486	+)))
1113	1113
1114		-**Dimension and weight**:
	1488	+(((
	1489	+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.
	1490	+)))
1115	1115
1116		-* Device Size: 13.5 x 7 x 3 cm
1117		-* Device Weight: 105g
1118		-* Package Size / pcs : 14.5 x 8 x 5 cm
1119		-* Weight / pcs : 170g
1120	1120
1121		-1. Support
	1493	+= 11. Support =
1122	1122
1123		-* 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.
1124		-* 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
1125		-
1126		-[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
	1495	+* (((
	1496	+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.
	1497	+)))
	1498	+* (((
	1499	+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]].
	1500	+)))