Changes for page RS485-BL – Waterproof RS485 to LoRaWAN Converter

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...	...	@@ -94,8 +94,6 @@
94	94	* 127 dB Dynamic Range RSSI.
95	95	* Automatic RF Sense and CAD with ultra-fast AFC. ​​​
96	96
97		-
98		-
99	99	== 1.3 Features ==
100	100
101	101	* LoRaWAN Class A & Class C protocol (default Class A)
...	...	@@ -107,8 +107,6 @@
107	107	* Support Modbus protocol
108	108	* Support Interrupt uplink
109	109
110		-
111		-
112	112	== 1.4 Applications ==
113	113
114	114	* Smart Buildings & Home Automation
...	...	@@ -128,29 +128,47 @@
128	128	(((
129	129
130	130
	127	+(((
131	131	v1.4
132	132	)))
	130	+)))
133	133
134	134	(((
	133	+(((
135	135	~1. Change Power IC to TPS22916
136	136	)))
	136	+)))
137	137
	138	+(((
	139	+
	140	+)))
138	138
139	139	(((
	143	+(((
140	140	v1.3
141	141	)))
	146	+)))
142	142
143	143	(((
	149	+(((
144	144	~1. Change JP3 from KF350-8P to KF350-11P, Add one extra interface for I2C and one extra interface for one-wire
145	145	)))
	152	+)))
146	146
	154	+(((
	155	+
	156	+)))
147	147
148	148	(((
	159	+(((
149	149	v1.2
150	150	)))
	162	+)))
151	151
152	152	(((
	165	+(((
153	153	Release version ​​​​​
	167	+)))
154	154
155	155
156	156	)))
...	...	@@ -244,82 +244,131 @@
244	244
245	245	=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
246	246
	261	+(((
247	247	RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
	263	+)))
248	248
	265	+(((
249	249	**~1. RS485-MODBUS mode:**
	267	+)))
250	250
	269	+(((
251	251	AT+MOD=1 ~/~/ Support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
	271	+)))
252	252
	273	+(((
253	253	**2. TTL mode:**
	275	+)))
254	254
	277	+(((
255	255	AT+MOD=2 ~/~/ Support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
	279	+)))
256	256
	281	+(((
257	257	RS485-BL default UART settings is **9600, no parity, stop bit 1**. If the sensor has a different settings, user can change the RS485-BL setting to match.
	283	+)))
258	258
259		-(% border="1" style="background-color:#ffffcc; color:green; width:795px" %)
260		-|(((
	285	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	286	+|=(% style="width: 80px;" %)(((
	287	+(((
261	261	**AT Commands**
262		-)))|(% style="width:285px" %)(((
	289	+)))
	290	+)))|=(% style="width: 210px;" %)(((
	291	+(((
263	263	**Description**
264		-)))|(% style="width:347px" %)(((
	293	+)))
	294	+)))|=(% style="width: 210px;" %)(((
	295	+(((
265	265	**Example**
266	266	)))
267		-|(((
	298	+)))
	299	+|(% style="width:80px" %)(((
	300	+(((
268	268	AT+BAUDR
269		-)))|(% style="width:285px" %)(((
	302	+)))
	303	+)))|(% style="width:210px" %)(((
	304	+(((
270	270	Set the baud rate (for RS485 connection). Default Value is: 9600.
271		-)))|(% style="width:347px" %)(((
	306	+)))
	307	+)))|(% style="width:210px" %)(((
272	272	(((
	309	+(((
273	273	AT+BAUDR=9600
274	274	)))
	312	+)))
275	275
276	276	(((
	315	+(((
277	277	Options: (1200,2400,4800,14400,19200,115200)
278	278	)))
279	279	)))
280		-|(((
	319	+)))
	320	+|(% style="width:80px" %)(((
	321	+(((
281	281	AT+PARITY
282		-)))|(% style="width:285px" %)(((
	323	+)))
	324	+)))|(% style="width:210px" %)(((
283	283	(((
	326	+(((
284	284	Set UART parity (for RS485 connection)
285	285	)))
	329	+)))
286	286
287	287	(((
	332	+(((
288	288	Default Value is: no parity.
289	289	)))
290		-)))|(% style="width:347px" %)(((
	335	+)))
	336	+)))|(% style="width:210px" %)(((
291	291	(((
	338	+(((
292	292	AT+PARITY=0
293	293	)))
	341	+)))
294	294
295	295	(((
	344	+(((
296	296	Option: 0: no parity, 1: odd parity, 2: even parity
297	297	)))
298	298	)))
299		-|(((
	348	+)))
	349	+|(% style="width:80px" %)(((
	350	+(((
300	300	AT+STOPBIT
301		-)))|(% style="width:285px" %)(((
	352	+)))
	353	+)))|(% style="width:210px" %)(((
302	302	(((
	355	+(((
303	303	Set serial stopbit (for RS485 connection)
304	304	)))
	358	+)))
305	305
306	306	(((
	361	+(((
307	307	Default Value is: 1bit.
308	308	)))
309		-)))|(% style="width:347px" %)(((
	364	+)))
	365	+)))|(% style="width:210px" %)(((
310	310	(((
	367	+(((
311	311	AT+STOPBIT=0 for 1bit
312	312	)))
	370	+)))
313	313
314	314	(((
	373	+(((
315	315	AT+STOPBIT=1 for 1.5 bit
316	316	)))
	376	+)))
317	317
318	318	(((
	379	+(((
319	319	AT+STOPBIT=2 for 2 bits
320	320	)))
321	321	)))
	383	+)))
322	322
	385	+
323	323	=== 3.3.2 Configure sensors ===
324	324
325	325	(((
...	...	@@ -330,19 +330,20 @@
330	330	When user issue an (% style="color:#4f81bd" %)**AT+CFGDEV**(%%) command, Each (% style="color:#4f81bd" %)**AT+CFGDEV**(%%) equals to send a command to the RS485 or TTL sensors. This command will only run when user input it and won’t run during each sampling.
331	331	)))
332	332
333		-(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
334		-|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
335		-|AT+CFGDEV|(% style="width:418px" %)(((
	396	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	397	+|=(% style="width: 80px;" %)**AT Commands**|=(% style="width: 210px;" %)**Description**|=(% style="width: 210px;" %)**Example**
	398	+|AT+CFGDEV|(% style="width:80px" %)(((
336	336	This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
337	337
338	338	AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
339	339
340	340	mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
341		-)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
	404	+)))|(% style="width:210px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
342	342
343	343	Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>||anchor="HRS485DebugCommand28AT2BCFGDEV29"]].
344	344
345	345
	409	+
346	346	=== 3.3.3 Configure read commands for each sampling ===
347	347
348	348	(((
...	...	@@ -409,117 +409,213 @@
409	409	After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
410	410	)))
411	411
	476	+(((
412	412	**Examples:**
	478	+)))
413	413
	480	+(((
414	414	Below are examples for the how above AT Commands works.
	482	+)))
415	415
	484	+(((
416	416	**AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
	486	+)))
417	417
418		-(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:501px" %)
	488	+(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:500px" %)
419	419	|(% style="width:498px" %)(((
	490	+(((
420	420	**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
	492	+)))
421	421
	494	+(((
422	422	**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
	496	+)))
423	423
	498	+(((
424	424	**m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command**
425	425	)))
	501	+)))
426	426
	503	+(((
427	427	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.
	505	+)))
428	428
	507	+(((
429	429	In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
	509	+)))
430	430
	511	+(((
	512	+
	513	+)))
	514	+
	515	+(((
431	431	**AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
	517	+)))
432	432
433		-(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:580px" %)
	519	+(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:500px" %)
434	434	|(% style="width:577px" %)(((
	521	+(((
435	435	**AT+SEARCHx=aa,xx xx xx xx xx**
	523	+)))
436	436
437		-* **aa: 1: prefix match mode; 2: prefix and suffix match mode**
438		-* **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
	525	+* (((
	526	+**aa: 1: prefix match mode; 2: prefix and suffix match mode**
439	439	)))
	528	+* (((
	529	+**xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
	530	+)))
	531	+)))
440	440
	533	+(((
441	441	**Examples:**
	535	+)))
442	442
	537	+(((
443	443	1）For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
	539	+)))
444	444
	541	+(((
445	445	If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
	543	+)))
446	446
	545	+(((
447	447	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**
	547	+)))
448	448
	549	+(((
449	449	[[image:1653271044481-711.png]]
	551	+)))
450	450
	553	+(((
451	451	2）For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
	555	+)))
452	452
	557	+(((
453	453	If we set AT+SEARCH1=2, 1E 56 34+31 00 49
	559	+)))
454	454
	561	+(((
455	455	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**
	563	+)))
456	456
	565	+(((
457	457	[[image:1653271276735-972.png]]
	567	+)))
458	458
	569	+(((
459	459	**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
	571	+)))
460	460
461		-(% style="background-color:#4f81bd; color:white; width:729px" %)
	573	+(% style="background-color:#4f81bd; color:white; width:510px" %)
462	462	|(% style="width:726px" %)(((
	575	+(((
463	463	**AT+DATACUTx=a,b,c**
	577	+)))
464	464
465		-* **a: length for the return of AT+COMMAND**
466		-* **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
467		-* **c: define the position for valid value.  **
	579	+* (((
	580	+**a: length for the return of AT+COMMAND**
468	468	)))
	582	+* (((
	583	+**b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
	584	+)))
	585	+* (((
	586	+**c: define the position for valid value.  **
	587	+)))
	588	+)))
469	469
	590	+(((
470	470	**Examples:**
	592	+)))
471	471
472		-* Grab bytes:
	594	+* (((
	595	+Grab bytes:
	596	+)))
473	473
	598	+(((
474	474	[[image:1653271581490-837.png||height="313" width="722"]]
	600	+)))
475	475
	602	+(((
	603	+
	604	+)))
476	476
477		-* Grab a section.
	606	+* (((
	607	+Grab a section.
	608	+)))
478	478
	610	+(((
479	479	[[image:1653271648378-342.png||height="326" width="720"]]
	612	+)))
480	480
	614	+(((
	615	+
	616	+)))
481	481
482		-* Grab different sections.
	618	+* (((
	619	+Grab different sections.
	620	+)))
483	483
	622	+(((
484	484	[[image:1653271657255-576.png||height="305" width="730"]]
	624	+)))
485	485
486	486	(((
	627	+(((
487	487	(% style="color:red" %)**Note:**
488	488	)))
	630	+)))
489	489
490	490	(((
	633	+(((
491	491	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.
492	492	)))
	636	+)))
493	493
494	494	(((
	639	+(((
495	495	**Example:**
496	496	)))
	642	+)))
497	497
498	498	(((
	645	+(((
499	499	(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
500	500	)))
	648	+)))
501	501
502	502	(((
	651	+(((
503	503	(% style="color:red" %)AT+SEARCH1=1,1E 56 34
504	504	)))
	654	+)))
505	505
506	506	(((
	657	+(((
507	507	(% style="color:red" %)AT+DATACUT1=0,2,1~~5
508	508	)))
	660	+)))
509	509
510	510	(((
	663	+(((
511	511	(% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
512	512	)))
	666	+)))
513	513
514	514	(((
	669	+(((
515	515	(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
516	516	)))
	672	+)))
517	517
518	518	(((
	675	+(((
519	519	(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
520	520	)))
	678	+)))
521	521
	680	+(((
522	522	[[image:1653271763403-806.png]]
	682	+)))
523	523
524	524
525	525	=== 3.3.4 Compose the uplink payload ===
...	...	@@ -526,10 +526,14 @@
526	526
527	527	(((
528	528	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.**
	689	+
	690	+
529	529	)))
530	530
531	531	(((
532	532	(% style="color:#037691" %)**Examples: AT+DATAUP=0**
	695	+
	696	+
533	533	)))
534	534
535	535	(((
...	...	@@ -662,26 +662,8 @@
662	662
663	663	== 3.4 Uplink Payload ==
664	664
665		-(% border="1" style="background-color:#4f81bd; color:white; width:850px" %)
666		-|**Size(bytes)**|(% style="width:130px" %)**2**|(% style="width:93px" %)**1**|(% style="width:509px" %)**Length depends on the return from the commands**
667		-|Value|(% style="width:130px" %)(((
668		-(((
669		-Battery(mV)
670		-)))
	829	+[[image:image-20220606105412-1.png]]
671	671
672		-(((
673		-&
674		-)))
675		-
676		-(((
677		-Interrupt _Flag
678		-)))
679		-)))|(% style="width:93px" %)(((
680		-PAYLOAD_VER
681		-
682		-
683		-)))|(% style="width:509px" %)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.
684		-
685	685	Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
686	686
687	687	(((
...	...	@@ -739,16 +739,23 @@
739	739
740	740	== 3.5 Configure RS485-BL via AT or Downlink ==
741	741
	888	+(((
742	742	User can configure RS485-BL via AT Commands or LoRaWAN Downlink Commands
	890	+)))
743	743
	892	+(((
744	744	There are two kinds of Commands:
	894	+)))
745	745
746		-* (% 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]]
	896	+* (((
	897	+(% 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]]
	898	+)))
747	747
748		-* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL.  User can see these commands below:
	900	+* (((
	901	+(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL.  User can see these commands below:
	902	+)))
749	749
750	750
751		-
752	752	=== 3.5.1 Common Commands: ===
753	753
754	754	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]]
...	...	@@ -757,6 +757,7 @@
757	757	=== 3.5.2 Sensor related commands: ===
758	758
759	759
	913	+
760	760	==== **Choose Device Type (RS485 or TTL)** ====
761	761
762	762	RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
...	...	@@ -780,57 +780,109 @@
780	780
781	781
782	782
	937	+
783	783	==== **RS485 Debug Command (AT+CFGDEV)** ====
784	784
	940	+(((
785	785	This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
	942	+)))
786	786
787		-* **AT Command**
	944	+* (((
	945	+**AT Command**
	946	+)))
788	788
789	789	(% class="box infomessage" %)
790	790	(((
	950	+(((
791	791	**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
792	792	)))
	953	+)))
793	793
	955	+(((
794	794	m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
	957	+)))
795	795
	959	+(((
	960	+
	961	+)))
796	796
797		-* **Downlink Payload**
	963	+* (((
	964	+**Downlink Payload**
	965	+)))
798	798
	967	+(((
799	799	Format: A8 MM NN XX XX XX XX YY
	969	+)))
800	800
	971	+(((
801	801	Where:
	973	+)))
802	802
803		-* MM: 1: add CRC-16/MODBUS ; 0: no CRC
804		-* NN: The length of RS485 command
805		-* XX XX XX XX: RS485 command total NN bytes
806		-* 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
	975	+* (((
	976	+MM: 1: add CRC-16/MODBUS ; 0: no CRC
	977	+)))
	978	+* (((
	979	+NN: The length of RS485 command
	980	+)))
	981	+* (((
	982	+XX XX XX XX: RS485 command total NN bytes
	983	+)))
	984	+* (((
	985	+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
	986	+)))
807	807
	988	+(((
808	808	**Example 1:**
	990	+)))
809	809
	992	+(((
810	810	To connect a Modbus Alarm with below commands.
	994	+)))
811	811
812		-* 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.
	996	+* (((
	997	+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.
	998	+)))
813	813
814		-* 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.
	1000	+* (((
	1001	+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.
	1002	+)))
815	815
	1004	+(((
816	816	So if user want to use downlink command to control to RS485 Alarm, he can use:
	1006	+)))
817	817
	1008	+(((
818	818	(% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
	1010	+)))
819	819
	1012	+(((
820	820	(% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
	1014	+)))
821	821
	1016	+(((
822	822	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.
	1018	+)))
823	823
	1020	+(((
	1021	+
	1022	+)))
824	824
	1024	+(((
825	825	**Example 2:**
	1026	+)))
826	826
	1028	+(((
827	827	Check TTL Sensor return:
	1030	+)))
828	828
	1032	+(((
829	829	[[image:1654132684752-193.png]]
	1034	+)))
830	830
831	831
832	832
833	833
	1039	+
834	834	==== **Set Payload version** ====
835	835
836	836	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.
...	...	@@ -851,87 +851,171 @@
851	851
852	852
853	853
	1060	+
854	854	==== **Set RS485 Sampling Commands** ====
855	855
	1063	+(((
856	856	AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
	1065	+)))
857	857
	1067	+(((
858	858	These three commands are used to configure how the RS485-BL polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
	1069	+)))
859	859
	1071	+(((
	1072	+
	1073	+)))
860	860
861		-* **AT Command:**
	1075	+* (((
	1076	+**AT Command:**
	1077	+)))
862	862
863	863	(% class="box infomessage" %)
864	864	(((
	1081	+(((
865	865	**AT+COMMANDx: Configure RS485 read command to sensor.**
866	866	)))
	1084	+)))
867	867
868	868	(% class="box infomessage" %)
869	869	(((
	1088	+(((
870	870	**AT+DATACUTx: Configure how to handle return from RS485 devices.**
871	871	)))
	1091	+)))
872	872
873	873	(% class="box infomessage" %)
874	874	(((
	1095	+(((
875	875	**AT+SEARCHx: Configure search command**
876	876	)))
	1098	+)))
877	877
	1100	+(((
	1101	+
	1102	+)))
878	878
879		-* **Downlink Payload:**
	1104	+* (((
	1105	+**Downlink Payload:**
	1106	+)))
880	880
	1108	+(((
881	881	**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
	1110	+)))
882	882
	1112	+(((
883	883	(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	1114	+)))
884	884
	1116	+(((
885	885	Format: AF MM NN LL XX XX XX XX YY
	1118	+)))
886	886
	1120	+(((
887	887	Where:
	1122	+)))
888	888
889		-* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
890		-* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
891		-* LL:  The length of AT+COMMAND or AT+DATACUT command
892		-* XX XX XX XX: AT+COMMAND or AT+DATACUT command
893		-* 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.
	1124	+* (((
	1125	+MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
	1126	+)))
	1127	+* (((
	1128	+NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
	1129	+)))
	1130	+* (((
	1131	+LL:  The length of AT+COMMAND or AT+DATACUT command
	1132	+)))
	1133	+* (((
	1134	+XX XX XX XX: AT+COMMAND or AT+DATACUT command
	1135	+)))
	1136	+* (((
	1137	+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.
	1138	+)))
894	894
	1140	+(((
895	895	**Example:**
	1142	+)))
896	896
	1144	+(((
897	897	(% 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
	1146	+)))
898	898
	1148	+(((
899	899	(% 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**
	1150	+)))
900	900
	1152	+(((
901	901	(% 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**
	1154	+)))
902	902
	1156	+(((
	1157	+
	1158	+)))
903	903
	1160	+(((
904	904	**0xAB** downlink command can be used for set AT+SEARCHx
	1162	+)))
905	905
	1164	+(((
906	906	**Example:** **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
	1166	+)))
907	907
908		-* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
909		-* 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
	1168	+* (((
	1169	+AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
	1170	+)))
	1171	+* (((
	1172	+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
	1173	+)))
910	910
	1175	+(((
911	911	**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
	1177	+)))
912	912
913	913
914	914
	1181	+
915	915	==== **Fast command to handle MODBUS device** ====
916	916
	1184	+(((
917	917	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]].
	1186	+)))
918	918
	1188	+(((
919	919	This command is valid since v1.3 firmware version
	1190	+)))
920	920
	1192	+(((
	1193	+
	1194	+)))
921	921
	1196	+(((
922	922	**AT+MBFUN has only two value:**
	1198	+)))
923	923
924		-* **AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return
	1200	+* (((
	1201	+**AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return
	1202	+)))
925	925
	1204	+(((
926	926	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.
	1206	+)))
927	927
928		-* **AT+MBFUN=0**: Disable Modbus fast reading.
	1208	+* (((
	1209	+**AT+MBFUN=0**: Disable Modbus fast reading.
	1210	+)))
929	929
	1212	+(((
930	930	**Example:**
	1214	+)))
931	931
932		-* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
933		-* 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.
934		-* 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.
	1216	+* (((
	1217	+AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
	1218	+)))
	1219	+* (((
	1220	+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.
	1221	+)))
	1222	+* (((
	1223	+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.
	1224	+)))
935	935
936	936	[[image:1654133913295-597.png]]
937	937
...	...	@@ -939,70 +939,124 @@
939	939	[[image:1654133954153-643.png]]
940	940
941	941
942		-* **Downlink Commands:**
	1232	+* (((
	1233	+**Downlink Commands:**
	1234	+)))
943	943
	1236	+(((
944	944	**A9 aa** ~-~-> Same as AT+MBFUN=aa
	1238	+)))
945	945
946	946
947	947
	1242	+
948	948	==== **RS485 command timeout** ====
949	949
	1245	+(((
950	950	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.
	1247	+)))
951	951
	1249	+(((
952	952	Default value: 0, range:  0 ~~ 5 seconds
	1251	+)))
953	953
	1253	+(((
	1254	+
	1255	+)))
954	954
955		-* **AT Command:**
	1257	+* (((
	1258	+**AT Command:**
	1259	+)))
956	956
957	957	(% class="box infomessage" %)
958	958	(((
	1263	+(((
959	959	**AT+CMDDLaa=hex(bb cc)**
960	960	)))
	1266	+)))
961	961
	1268	+(((
962	962	**Example:**
	1270	+)))
963	963
	1272	+(((
964	964	**AT+CMDDL1=1000** to send the open time to 1000ms
	1274	+)))
965	965
	1276	+(((
	1277	+
	1278	+)))
966	966
967		-* **Downlink Payload:**
	1280	+* (((
	1281	+**Downlink Payload:**
	1282	+)))
968	968
	1284	+(((
969	969	0x AA aa bb cc
	1286	+)))
970	970
	1288	+(((
971	971	Same as: AT+CMDDLaa=hex(bb cc)
	1290	+)))
972	972
	1292	+(((
973	973	**Example:**
	1294	+)))
974	974
	1296	+(((
975	975	**0xAA 01 03 E8**  ~-~-> Same as **AT+CMDDL1=1000 ms**
	1298	+)))
976	976
977	977
978	978
	1302	+
979	979	==== **Uplink payload mode** ====
980	980
	1305	+(((
981	981	Define to use one uplink or multiple uplinks for the sampling.
	1307	+)))
982	982
	1309	+(((
983	983	The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
	1311	+)))
984	984
985		-* **AT Command:**
	1313	+* (((
	1314	+**AT Command:**
	1315	+)))
986	986
987	987	(% class="box infomessage" %)
988	988	(((
	1319	+(((
989	989	**AT+DATAUP=0**
990	990	)))
	1322	+)))
991	991
992	992	(% class="box infomessage" %)
993	993	(((
	1326	+(((
994	994	**AT+DATAUP=1**
995	995	)))
	1329	+)))
996	996
	1331	+(((
	1332	+
	1333	+)))
997	997
998		-* **Downlink Payload:**
	1335	+* (((
	1336	+**Downlink Payload:**
	1337	+)))
999	999
	1339	+(((
1000	1000	**0xAD 00**  **~-~->** Same as AT+DATAUP=0
	1341	+)))
1001	1001
	1343	+(((
1002	1002	**0xAD 01**  **~-~->** Same as AT+DATAUP=1
	1345	+)))
1003	1003
1004	1004
1005	1005
	1349	+
1006	1006	==== **Manually trigger an Uplink** ====
1007	1007
1008	1008	Ask device to send an uplink immediately.
...	...	@@ -1013,134 +1013,251 @@
1013	1013
1014	1014
1015	1015
	1360	+
1016	1016	==== **Clear RS485 Command** ====
1017	1017
	1363	+(((
1018	1018	The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
	1365	+)))
1019	1019
	1367	+(((
	1368	+
	1369	+)))
1020	1020
1021		-* **AT Command:**
	1371	+* (((
	1372	+**AT Command:**
	1373	+)))
1022	1022
	1375	+(((
1023	1023	(% style="color:#037691" %)**AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
	1377	+)))
1024	1024
	1379	+(((
1025	1025	Example screen shot after clear all RS485 commands.
	1381	+)))
1026	1026
	1383	+(((
	1384	+
	1385	+)))
1027	1027
	1387	+(((
1028	1028	The uplink screen shot is:
	1389	+)))
1029	1029
	1391	+(((
1030	1030	[[image:1654134704555-320.png]]
	1393	+)))
1031	1031
	1395	+(((
	1396	+
	1397	+)))
1032	1032
1033		-* **Downlink Payload:**
	1399	+* (((
	1400	+**Downlink Payload:**
	1401	+)))
1034	1034
	1403	+(((
1035	1035	**0x09 aa bb** same as AT+CMDEAR=aa,bb
	1405	+)))
1036	1036
1037	1037
1038	1038
	1409	+
1039	1039	==== **Set Serial Communication Parameters** ====
1040	1040
	1412	+(((
1041	1041	Set the Rs485 serial communication parameters:
	1414	+)))
1042	1042
1043		-* **AT Command:**
	1416	+* (((
	1417	+**AT Command:**
	1418	+)))
1044	1044
	1420	+(((
1045	1045	Set Baud Rate:
	1422	+)))
1046	1046
1047	1047	(% class="box infomessage" %)
1048	1048	(((
	1426	+(((
1049	1049	**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1050	1050	)))
	1429	+)))
1051	1051
	1431	+(((
1052	1052	Set UART Parity
	1433	+)))
1053	1053
1054	1054	(% class="box infomessage" %)
1055	1055	(((
	1437	+(((
1056	1056	**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1057	1057	)))
	1440	+)))
1058	1058
	1442	+(((
1059	1059	Set STOPBIT
	1444	+)))
1060	1060
1061	1061	(% class="box infomessage" %)
1062	1062	(((
	1448	+(((
1063	1063	**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1064	1064	)))
	1451	+)))
1065	1065
	1453	+(((
	1454	+
	1455	+)))
1066	1066
1067		-* **Downlink Payload:**
	1457	+* (((
	1458	+**Downlink Payload:**
	1459	+)))
1068	1068
	1461	+(((
1069	1069	**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
	1463	+)))
1070	1070
	1465	+(((
1071	1071	**Example:**
	1467	+)))
1072	1072
1073		-* A7 01 00 60   same as AT+BAUDR=9600
1074		-* A7 01 04 80  same as AT+BAUDR=115200
	1469	+* (((
	1470	+A7 01 00 60   same as AT+BAUDR=9600
	1471	+)))
	1472	+* (((
	1473	+A7 01 04 80  same as AT+BAUDR=115200
	1474	+)))
1075	1075
	1476	+(((
1076	1076	A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
	1478	+)))
1077	1077
	1480	+(((
1078	1078	A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
	1482	+)))
1079	1079
1080	1080
1081	1081
	1486	+
1082	1082	==== **Control output power duration** ====
1083	1083
	1489	+(((
1084	1084	User can set the output power duration before each sampling.
	1491	+)))
1085	1085
1086		-* **AT Command:**
	1493	+* (((
	1494	+**AT Command:**
	1495	+)))
1087	1087
	1497	+(((
1088	1088	**Example:**
	1499	+)))
1089	1089
	1501	+(((
1090	1090	**AT+3V3T=1000**  ~/~/ 3V3 output power will open 1s before each sampling.
	1503	+)))
1091	1091
	1505	+(((
1092	1092	**AT+5VT=1000**  ~/~/ +5V output power will open 1s before each sampling.
	1507	+)))
1093	1093
	1509	+(((
	1510	+
	1511	+)))
1094	1094
1095		-* **LoRaWAN Downlink Command:**
	1513	+* (((
	1514	+**LoRaWAN Downlink Command:**
	1515	+)))
1096	1096
	1517	+(((
1097	1097	**07 01 aa bb**  Same as AT+5VT=(aa bb)
	1519	+)))
1098	1098
	1521	+(((
1099	1099	**07 02 aa bb**  Same as AT+3V3T=(aa bb)
	1523	+)))
1100	1100
1101	1101
	1526	+
1102	1102	== 3.6 Buttons ==
1103	1103
1104		-(% border="1" style="background-color:#ffffcc; color:green; width:233px" %)
	1529	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:233px" %)
1105	1105	|=(% style="width: 89px;" %)**Button**|=(% style="width: 141px;" %)**Feature**
1106	1106	|(% style="width:89px" %)**RST**|(% style="width:141px" %)Reboot RS485-BL
1107	1107
1108	1108
1109		-
1110	1110	== 3.7 +3V3 Output ==
1111	1111
	1536	+(((
1112	1112	RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
	1538	+)))
1113	1113
	1540	+(((
1114	1114	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.
	1542	+)))
1115	1115
	1544	+(((
1116	1116	The +3V3 output time can be controlled by AT Command.
	1546	+)))
1117	1117
	1548	+(((
	1549	+
	1550	+)))
1118	1118
	1552	+(((
1119	1119	(% style="color:#037691" %)**AT+3V3T=1000**
	1554	+)))
1120	1120
	1556	+(((
	1557	+
	1558	+)))
1121	1121
	1560	+(((
1122	1122	Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
	1562	+)))
1123	1123
	1564	+(((
1124	1124	By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
	1566	+)))
1125	1125
1126	1126
1127	1127	== 3.8 +5V Output ==
1128	1128
	1571	+(((
1129	1129	RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
	1573	+)))
1130	1130
	1575	+(((
1131	1131	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.
	1577	+)))
1132	1132
	1579	+(((
1133	1133	The 5V output time can be controlled by AT Command.
	1581	+)))
1134	1134
	1583	+(((
	1584	+
	1585	+)))
1135	1135
	1587	+(((
1136	1136	(% style="color:#037691" %)**AT+5VT=1000**
	1589	+)))
1137	1137
	1591	+(((
	1592	+
	1593	+)))
1138	1138
	1595	+(((
1139	1139	Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
	1597	+)))
1140	1140
	1599	+(((
1141	1141	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.
	1601	+)))
1142	1142
1143	1143
	1604	+
1144	1144	== 3.9 LEDs ==
1145	1145
1146	1146	(% border="1" style="background-color:#ffffcc; color:green; width:332px" %)
...	...	@@ -1148,7 +1148,6 @@
1148	1148	|**LED1**|(% style="width:274px" %)Blink when device transmit a packet.
1149	1149
1150	1150
1151		-
1152	1152	== 3.10 Switch Jumper ==
1153	1153
1154	1154	(% border="1" style="background-color:#ffffcc; color:green; width:515px" %)
...	...	@@ -1164,9 +1164,13 @@
1164	1164	3.3v position: set to compatible with 3.3v I/O.,
1165	1165	)))
1166	1166
	1627	+(((
1167	1167	**+3.3V**: is always ON
	1629	+)))
1168	1168
	1631	+(((
1169	1169	**+5V**: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
	1633	+)))
1170	1170
1171	1171
1172	1172	= 4. Case Study =
...	...	@@ -1178,17 +1178,23 @@
1178	1178
1179	1179	== 5.1 Access AT Command ==
1180	1180
	1645	+(((
1181	1181	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.
	1647	+)))
1182	1182
1183	1183	[[image:1654135840598-282.png]]
1184	1184
1185	1185
	1652	+(((
1186	1186	In PC, User needs to set (% style="color:blue" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference:
	1654	+)))
1187	1187
1188	1188	[[image:1654136105500-922.png]]
1189	1189
1190	1190
1191		-More detail AT Command manual can be found at [[AT Command Manual>>||anchor="3.5ConfigureRS485-BLviaATorDownlink"]]
	1659	+(((
	1660	+More detail AT Command manual can be found at [[AT Command Manual>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]]
	1661	+)))
1192	1192
1193	1193
1194	1194	== 5.2 Common AT Command Sequence ==
...	...	@@ -1213,7 +1213,9 @@
1213	1213	)))
1214	1214
1215	1215
	1686	+(((
1216	1216	If device already joined network:
	1688	+)))
1217	1217
1218	1218	(% class="box infomessage" %)
1219	1219	(((
...	...	@@ -1252,10 +1252,12 @@
1252	1252
1253	1253	(% style="color:red" %)**Note:**
1254	1254
	1727	+(((
1255	1255	(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1256	1256	2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1257	1257	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.
1258	1258	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
	1732	+)))
1259	1259
1260	1260	[[image:1654136435598-589.png]]
1261	1261
...	...	@@ -1264,13 +1264,23 @@
1264	1264
1265	1265	== 6.1 How to upgrade the image? ==
1266	1266
	1741	+(((
1267	1267	The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
	1743	+)))
1268	1268
1269		-* Support new features
1270		-* For bug fix
1271		-* Change LoRaWAN bands.
	1745	+* (((
	1746	+Support new features
	1747	+)))
	1748	+* (((
	1749	+For bug fix
	1750	+)))
	1751	+* (((
	1752	+Change LoRaWAN bands.
	1753	+)))
1272	1272
	1755	+(((
1273	1273	Below shows the hardware connection for how to upload an image to RS485-BL:
	1757	+)))
1274	1274
1275	1275	[[image:1654136646995-976.png]]
1276	1276
...	...	@@ -1292,13 +1292,17 @@
1292	1292
1293	1293	== 6.2 How to change the LoRa Frequency Bands/Region? ==
1294	1294
	1779	+(((
1295	1295	User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
	1781	+)))
1296	1296
1297	1297
1298	1298
1299	1299	== 6.3 How many RS485-Slave can RS485-BL connects? ==
1300	1300
	1787	+(((
1301	1301	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>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
	1789	+)))
1302	1302
1303	1303
1304	1304
...	...	@@ -1370,5 +1370,9 @@
1370	1370
1371	1371	= 10. Support =
1372	1372
1373		-* 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.
1374		-* 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]]
	1861	+* (((
	1862	+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.
	1863	+)))
	1864	+* (((
	1865	+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]]
	1866	+)))

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