Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 73.8 >
edited by Xiaoling
on 2022/09/12 11:35
To version < 68.5 >
edited by Xiaoling
on 2022/08/18 14:39
>
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Summary

Details

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Content
... ... @@ -30,7 +30,6 @@
30 30  
31 31  = 1.Introduction =
32 32  
33 -
34 34  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
35 35  
36 36  (((
... ... @@ -74,7 +74,7 @@
74 74  == 1.2 Specifications ==
75 75  
76 76  
77 -(% style="color:#037691" %)**Hardware System:**
76 +**Hardware System:**
78 78  
79 79  * STM32L072CZT6 MCU
80 80  * SX1276/78 Wireless Chip 
... ... @@ -83,13 +83,13 @@
83 83  ** 20dB Transmit: 65mA@12v
84 84  
85 85  
86 -(% style="color:#037691" %)**Interface for Model:**
85 +**Interface for Model:**
87 87  
88 88  * RS485
89 89  * Power Input 7~~ 24V DC. 
90 90  
91 91  
92 -(% style="color:#037691" %)**LoRa Spec:**
91 +**LoRa Spec:**
93 93  
94 94  * Frequency Range:
95 95  ** Band 1 (HF): 862 ~~ 1020 Mhz
... ... @@ -112,11 +112,12 @@
112 112  
113 113  
114 114  
114 +
115 115  == 1.3 Features ==
116 116  
117 117  
118 118  * LoRaWAN Class A & Class C protocol (default Class C)
119 -* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864/MA869
119 +* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
120 120  * AT Commands to change parameters
121 121  * Remote configure parameters via LoRa Downlink
122 122  * Firmware upgradable via program port
... ... @@ -126,6 +126,7 @@
126 126  
127 127  
128 128  
129 +
129 129  == 1.4 Applications ==
130 130  
131 131  
... ... @@ -138,6 +138,7 @@
138 138  
139 139  
140 140  
142 +
141 141  == 1.5 Firmware Change log ==
142 142  
143 143  
... ... @@ -184,7 +184,6 @@
184 184  
185 185  = 3. Operation Mode =
186 186  
187 -
188 188  == 3.1 How it works? ==
189 189  
190 190  
... ... @@ -202,7 +202,6 @@
202 202  
203 203  Here shows an example for how to join the TTN V3 Network. Below is the network structure, we use [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]] as LoRaWAN gateway here. 
204 204  
205 -
206 206  (% aria-label="1653268155545-638.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268155545-638.png||data-widget="image" height="334" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
207 207  
208 208  
... ... @@ -213,8 +213,6 @@
213 213  
214 214  (((
215 215  485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
216 -
217 -
218 218  )))
219 219  
220 220  (% aria-label="1653268227651-549.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268227651-549.png||data-widget="image" height="592" width="720"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
... ... @@ -241,8 +241,6 @@
241 241  (((
242 242  (((
243 243  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
244 -
245 -
246 246  )))
247 247  
248 248  (((
... ... @@ -256,11 +256,8 @@
256 256  
257 257  (% aria-label="image-20220519174512-3.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-3.png||data-widget="image" height="556" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
258 258  
259 -(% aria-label="image-20220519174512-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-4.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]]
255 +(% aria-label="image-20220519174512-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-4.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
260 260  
261 -
262 -(% title="Click and drag to resize" %)​
263 -
264 264  You can also choose to create the device manually.
265 265  
266 266  (% aria-label="1652953542269-423.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953542269-423.png||data-widget="image" height="710" width="723"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
... ... @@ -272,11 +272,8 @@
272 272  (% aria-label="1652953553383-907.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953553383-907.png||data-widget="image" height="514" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
273 273  
274 274  
275 -
276 276  (((
277 277  (% 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.
278 -
279 -
280 280  )))
281 281  
282 282  (% aria-label="1652953568895-172.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953568895-172.png||data-widget="image" height="232" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
... ... @@ -290,8 +290,6 @@
290 290  (((
291 291  (((
292 292  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.
293 -
294 -
295 295  )))
296 296  )))
297 297  
... ... @@ -310,7 +310,6 @@
310 310  
311 311  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:
312 312  
313 -
314 314  (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
315 315  |=(% style="width: 110px;" %)(((
316 316  **AT Commands**
... ... @@ -370,6 +370,8 @@
370 370  )))
371 371  
372 372  
360 +
361 +
373 373  === 3.3.2 Configure sensors ===
374 374  
375 375  
... ... @@ -398,6 +398,8 @@
398 398  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
399 399  
400 400  
390 +
391 +
401 401  === 3.3.3 Configure read commands for each sampling ===
402 402  
403 403  
... ... @@ -413,7 +413,6 @@
413 413  
414 414  (% style="color:#037691" %)**Each RS485 commands include two parts:**
415 415  
416 -
417 417  ~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.
418 418  
419 419  2. How to get wanted value the from RS485 sensors returns from by 1). There are total 15 AT Commands to handle the return, commands are **AT+DATACUT1**,**AT+DATACUT2**,…, **AT+DATACUTF** corresponding to the commands from 1). All commands are of same grammar.
... ... @@ -442,7 +442,7 @@
442 442  In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
443 443  
444 444  
445 -(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
435 +(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
446 446  
447 447  (% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
448 448  |(% style="width:510px" %)(((
... ... @@ -455,7 +455,6 @@
455 455  
456 456  **Examples:**
457 457  
458 -
459 459  * (% style="color:#037691" %)**Grab bytes**
460 460  
461 461  (% aria-label="image-20220602153621-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-1.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
... ... @@ -496,13 +496,15 @@
496 496  )))
497 497  
498 498  (((
499 -Final Payload is (% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
488 +Final Payload is
500 500  )))
501 501  
502 502  (((
503 -Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
492 +(% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
493 +)))
504 504  
505 -
495 +(((
496 +Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
506 506  )))
507 507  
508 508  (% aria-label="1653269759169-150.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653269759169-150.png||data-widget="image" height="513" width="716"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
... ... @@ -513,9 +513,11 @@
513 513  
514 514  Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
515 515  
516 -Final Payload is (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
507 +Final Payload is
517 517  
509 +(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
518 518  
511 +
519 519  1. PAYVER: Defined by AT+PAYVER
520 520  1. PAYLOAD COUNT: Total how many uplinks of this sampling.
521 521  1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
... ... @@ -535,7 +535,6 @@
535 535  
536 536  (% style="color:red" %)**Notice: In firmware v1.3, the Max bytes has been changed according to the max bytes in different Frequency Bands for lowest SF. As below:**
537 537  
538 -
539 539   ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
540 540  
541 541   * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
... ... @@ -544,30 +544,9 @@
544 544  
545 545   ~* For all other bands: max 51 bytes for each uplink.
546 546  
547 -(% style="color:red" %)*** When AT+DATAUP=1, the maximum number of segments is 15, and the maximum total number of bytes is 1500;**
548 548  
549 -(% style="color:red" %)** When AT+DATAUP=1 and AT+ADR=0, the maximum number of bytes of each payload is determined by the DR value. (Since v1.4.0)**
550 -
551 -
552 -(% style="color:#4f81bd" %)**If the data is empty, return to the display（Since v1.4.0）**
553 -
554 -1 )  When (% style="color:blue" %)**AT+MOD=1**(%%), if the data intercepted by** AT+DATACUT** or **AT+MBFUN** is empty, it will display **NULL**, and the payload will be filled with **n FFs**.
555 -
556 -
557 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/test/WebHome/image-20220824114359-3.png?width=1106&height=297&rev=1.1||alt="image-20220824114359-3.png" height="297" width="1106"]]
558 -
559 -
560 -
561 -2 )  When (% style="color:blue" %)**AT+MOD=2**(%%), if the data intercepted by **AT+DATACUT** or **AT+MBFUN** is empty, it will display **NULL**, and the payload will be filled with **n 00s**.
562 -
563 -
564 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/test/WebHome/image-20220824114330-2.png?rev=1.1||alt="image-20220824114330-2.png"]]
565 -
566 -
567 -
568 568  Below are the uplink payloads:
569 569  
570 -
571 571  (% aria-label="1654157178836-407.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654157178836-407.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
572 572  
573 573  
... ... @@ -577,11 +577,11 @@
577 577  
578 578  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.
579 579  
580 -(% style="color:blue" %)**Downlink control command:**
551 +Downlink control command:
581 581  
582 -(% style="color:#4472c4" %)** 0x08 command**(%%): Poll an uplink with current command set in RS485-LN.
553 +**0x08 command**: Poll an uplink with current command set in RS485-LN.
583 583  
584 -(% style="color:#4472c4" %)** 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors.
555 +**0xA8 command**: Send a command to RS485-LN and uplink the output from sensors.
585 585  
586 586  
587 587  
... ... @@ -590,7 +590,6 @@
590 590  
591 591  RS485-LN support external Interrupt uplink since hardware v1.2 release.
592 592  
593 -
594 594  (% aria-label="1654157342174-798.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654157342174-798.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
595 595  
596 596  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.
... ... @@ -600,10 +600,8 @@
600 600  == 3.4 Uplink Payload ==
601 601  
602 602  
603 -(% aria-label="image-20220606110929-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220606110929-1.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]]
573 +(% aria-label="image-20220606110929-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220606110929-1.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
604 604  
605 -(% title="Click and drag to resize" %)​
606 -
607 607  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
608 608  
609 609  
... ... @@ -645,11 +645,8 @@
645 645  
646 646  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.
647 647  
616 +(% aria-label="image-20220602163333-5.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602163333-5.png||data-widget="image" height="263" width="1160"]](% title="Click and drag to resize" %)​
648 648  
649 -(% aria-label="image-20220602163333-5.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602163333-5.png||data-widget="image" height="263" width="1160"]]
650 -
651 -(% title="Click and drag to resize" %)​
652 -
653 653  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)
654 654  
655 655  
... ... @@ -666,11 +666,11 @@
666 666  This command is used to configure the RS485 devices; they won't be used during sampling.
667 667  )))
668 668  
669 -(((
670 -* (% style="color:#037691" %)**AT Command**
634 +* (((
635 +(% style="color:#037691" %)**AT Command**
671 671  
672 672  (((
673 -(% style="color:#4472c4" %)** AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**  (%%) m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
638 +**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**  m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
674 674  )))
675 675  )))
676 676  
... ... @@ -683,7 +683,7 @@
683 683  )))
684 684  
685 685  (((
686 -Format: (% style="color:#4472c4" %)** A8 MM NN XX XX XX XX YY**
651 +Format: A8 MM NN XX XX XX XX YY
687 687  )))
688 688  
689 689  (((
... ... @@ -789,40 +789,28 @@
789 789  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.
790 790  )))
791 791  
792 -(((
793 -* (% style="color:#037691" %)**AT Command:**
757 +* (((
758 +(% style="color:#037691" %)**AT Command:**
794 794  
795 -(% style="color:#4472c4" %)** AT+PAYVER:    ** (%%) Set PAYVER field = 1
760 +**AT+PAYVER:    **Set PAYVER field = 1
796 796  
797 797  
798 798  )))
799 -
800 800  * (((
801 801  (% style="color:#037691" %)**Downlink Payload:**
802 802  )))
803 803  
804 804  (((
805 -(% style="color:#4472c4" %)** 0xAE 01** (%%) ~-~->  Set PAYVER field =  0x01
769 +**0xAE 01**  ~-~->  Set PAYVER field =  0x01
806 806  )))
807 807  
808 808  (((
809 -(% style="color:#4472c4" %)** 0xAE 0F**   (%%) ~-~->  Set PAYVER field =  0x0F
773 +**0xAE 0F**   ~-~->  Set PAYVER field =  0x0F
810 810  )))
811 811  
812 812  
813 -1 )  Add the interrupt flag at the highest bit of the Payver byte, that is, Byte7 of the first byte. (Since v1.4.0)
814 814  
815 -[[image:image-20220824145428-2.png||height="168" width="1300"]]
816 816  
817 -
818 -2 )  if the data intercepted by AT+DATACUT or AT+MBFUN is empty, it will display NULL, and the payload will be filled with n FFs.
819 -
820 -
821 -[[image:image-20220824145428-3.png||height="308" width="1200"]]
822 -
823 -
824 -
825 -
826 826  ==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
827 827  
828 828  
... ... @@ -842,9 +842,9 @@
842 842  (% style="color:#037691" %)**AT Command:**
843 843  )))
844 844  
845 -(% style="color:#4472c4" %)** AT+COMMANDx:    ** (%%) Configure RS485 read command to sensor.
798 +**AT+COMMANDx:    **Configure RS485 read command to sensor.
846 846  
847 -(% style="color:#4472c4" %)** AT+DATACUTx:        **(%%) Configure how to handle return from RS485 devices.
800 +**AT+DATACUTx:        **Configure how to handle return from RS485 devices.
848 848  
849 849  
850 850  * (((
... ... @@ -852,19 +852,19 @@
852 852  )))
853 853  
854 854  (((
855 -(% style="color:#4472c4" %)** 0xAF**(%%) downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
808 +**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
856 856  
857 857  
858 858  )))
859 859  
860 860  (((
861 -(% style="color:red" %)**Note : if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.**
814 +(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
862 862  
863 863  
864 864  )))
865 865  
866 866  (((
867 -Format: (% style="color:#4472c4" %)** AF MM NN LL XX XX XX XX YY**
820 +Format: AF MM NN LL XX XX XX XX YY
868 868  )))
869 869  
870 870  (((
... ... @@ -912,7 +912,7 @@
912 912  
913 913  
914 914  (((
915 -(% style="color:#4472c4" %)** 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]].
868 +**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]].
916 916  )))
917 917  
918 918  (((
... ... @@ -961,10 +961,10 @@
961 961  Default value: 0, range:  0 ~~ 65 seconds
962 962  )))
963 963  
964 -(((
965 -* (% style="color:#037691" %)** AT Command:**
917 +* (((
918 +(% style="color:#037691" %)** AT Command:**
966 966  
967 -(% style="color:#4472c4" %)** AT+CMDDLaa=hex(bb cc)*1000**
920 +**AT+CMDDLaa=hex(bb cc)*1000**
968 968  )))
969 969  
970 970  (((
... ... @@ -974,7 +974,7 @@
974 974  )))
975 975  
976 976  (((
977 -(% style="color:#4472c4" %)** AT+CMDDL1=1000** (%%)to send the open time to 1000ms
930 +**AT+CMDDL1=1000** to send the open time to 1000ms
978 978  )))
979 979  
980 980  (((
... ... @@ -986,12 +986,14 @@
986 986  )))
987 987  
988 988  (((
989 -(% style="color:#4472c4" %)** 0x AA aa bb cc**(%%) Same as: AT+CMDDLaa=hex(bb cc)*1000
942 +**0x AA aa bb cc**
990 990  )))
991 991  
992 992  (((
993 -
946 +Same as: AT+CMDDLaa=hex(bb cc)*1000
947 +)))
994 994  
949 +(((
995 995  **Example:**
996 996  )))
997 997  
... ... @@ -1015,19 +1015,13 @@
1015 1015  
1016 1016  )))
1017 1017  
1018 -(((
1019 -* (% style="color:#037691" %)** AT Command:**
1020 -
1021 -(% style="color:#4472c4" %)** AT+DATAUP=0**
1022 -
1023 -(% style="color:#4472c4" %)** AT+DATAUP=1**
1024 -
1025 -
973 +* (((
974 +(% style="color:#037691" %)** AT Command:**
1026 1026  )))
1027 1027  
1028 -(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1，20000  ~/~/  (00 00 14 is 20 seconds)
977 +**AT+DATAUP=0**
1029 1029  
1030 -Each uplink is sent to the server at 20-second intervals when segmented.
979 +**AT+DATAUP=1**
1031 1031  
1032 1032  
1033 1033  * (((
... ... @@ -1034,29 +1034,17 @@
1034 1034  (% style="color:#037691" %)** Downlink Payload:**
1035 1035  )))
1036 1036  
1037 -(% style="color:#4472c4" %)** 0xAD 00** (%%) **~-~->** Same as AT+DATAUP=0
1038 -
1039 -(% style="color:#4472c4" %)** 0xAD 01**  (%%) **~-~->** Same as AT+DATAUP=1  ~/~/Each uplink is sent to the server one after the other as it is segmented.
1040 -
1041 -
1042 -* (((
1043 -(% style="color:#037691" %)** AT Command:**
986 +(((
987 +**0xAD 00**  **~-~->** Same as AT+DATAUP=0
1044 1044  )))
1045 1045  
1046 -(% style="color:#4472c4" %)** AT+DATAUP=1,Timeout**
1047 -
1048 -
1049 -* (((
1050 -(% style="color:#037691" %)** Downlink Payload:**
990 +(((
991 +**0xAD 01**  **~-~->** Same as AT+DATAUP=1
1051 1051  )))
1052 1052  
1053 -(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1，20000  ~/~/  (00 00 14 is 20 seconds)
1054 1054  
1055 -Each uplink is sent to the server at 20-second intervals when segmented.
1056 1056  
1057 1057  
1058 -
1059 -
1060 1060  ==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
1061 1061  
1062 1062  
... ... @@ -1081,7 +1081,7 @@
1081 1081  )))
1082 1082  
1083 1083  (((
1084 -(% style="color:#4472c4" %)** 0x08 FF**(%%), RS485-LN will immediately send an uplink.
1021 +**0x08 FF**, RS485-LN will immediately send an uplink.
1085 1085  )))
1086 1086  
1087 1087  
... ... @@ -1101,12 +1101,10 @@
1101 1101  )))
1102 1102  
1103 1103  (((
1104 -(% style="color:#4472c4" %)** AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase
1041 +**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
1105 1105  )))
1106 1106  
1107 1107  (((
1108 -
1109 -
1110 1110  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1111 1111  )))
1112 1112  
... ... @@ -1130,7 +1130,7 @@
1130 1130  )))
1131 1131  
1132 1132  (((
1133 -(% style="color:#4472c4" %)** 0x09 aa bb** (%%) same as AT+CMDEAR=aa,bb
1068 +**0x09 aa bb** same as AT+CMDEAR=aa,bb
1134 1134  )))
1135 1135  
1136 1136  
... ... @@ -1141,22 +1141,19 @@
1141 1141  
1142 1142  (((
1143 1143  Set the Rs485 serial communication parameters:
1144 -
1145 -
1146 1146  )))
1147 1147  
1148 1148  * (((
1149 1149  (% style="color:#037691" %)** AT Command:**
1150 -
1151 -
1152 -
1153 1153  )))
1154 1154  
1155 1155  (((
1086 +
1087 +
1156 1156  * Set Baud Rate
1157 1157  )))
1158 1158  
1159 -(% style="color:#4472c4" %)** AT+BAUDR=9600** (%%) ~/~/  Options: (200~~115200)  When using low baud rate or receiving multiple bytes, you need to use AT+CMDDL to increase the receive timeout (the default receive timeout is 400ms), otherwise data will be lost
1091 +**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1160 1160  
1161 1161  
1162 1162  (((
... ... @@ -1163,7 +1163,7 @@
1163 1163  * Set UART Parity
1164 1164  )))
1165 1165  
1166 -(% style="color:#4472c4" %)** AT+PARITY=0** (%%) ~/~/  Option: 0: no parity, 1: odd parity, 2: even parity
1098 +**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1167 1167  
1168 1168  
1169 1169  (((
... ... @@ -1170,7 +1170,7 @@
1170 1170  * Set STOPBIT
1171 1171  )))
1172 1172  
1173 -(% style="color:#4472c4" %)** AT+STOPBIT=0** (%%) ~/~/  Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1105 +**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1174 1174  
1175 1175  
1176 1176  
... ... @@ -1179,17 +1179,15 @@
1179 1179  )))
1180 1180  
1181 1181  (((
1182 -(% style="color:#4472c4" %)** A7 01 aa bb**:   (%%) Same  AT+BAUDR=hex(aa bb)*100
1114 +**A7 01 aa bb**:  Same  AT+BAUDR=hex(aa bb)*100
1183 1183  )))
1184 1184  
1185 1185  (((
1186 -
1187 -
1188 1188  **Example:**
1189 1189  )))
1190 1190  
1191 1191  * (((
1192 -A7 01 00 60  same as AT+BAUDR=9600
1122 +A7 01 00 60   same as AT+BAUDR=9600
1193 1193  )))
1194 1194  * (((
1195 1195  A7 01 04 80  same as AT+BAUDR=115200
... ... @@ -1196,153 +1196,16 @@
1196 1196  )))
1197 1197  
1198 1198  (((
1199 -* A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1129 +A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1200 1200  )))
1201 1201  
1202 1202  (((
1203 -* A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1133 +A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1204 1204  )))
1205 1205  
1206 1206  
1207 1207  
1208 1208  
1209 -
1210 -==== (% style="color:blue" %)**Encrypted payload**(%%) ====
1211 -
1212 -(((
1213 -
1214 -)))
1215 -
1216 -* (((
1217 -(% style="color:#037691" %)** AT Command:**
1218 -)))
1219 -
1220 -(% style="color:#4472c4" %)** AT+DECRYPT=1  ** (%%) ~/~/ The payload is uploaded without encryption
1221 -
1222 -(% style="color:#4472c4" %)** AT+DECRYPT=0  ** (%%) ~/~/ Encrypt when uploading payload (default)
1223 -
1224 -
1225 -
1226 -
1227 -==== (% style="color:blue" %)**Get sensor value**(%%) ====
1228 -
1229 -
1230 -* (((
1231 -(% style="color:#037691" %)** AT Command:**
1232 -)))
1233 -
1234 -(% style="color:#4472c4" %)** AT+GETSENSORVALUE=0  **(%%) ~/~/ The serial port gets the reading of the current sensor
1235 -
1236 -(% style="color:#4472c4" %)** AT+GETSENSORVALUE=1  **(%%) ~/~/ The serial port gets the current sensor reading and uploads it.
1237 -
1238 -
1239 -
1240 -
1241 -==== (% style="color:blue" %)**Resets the downlink packet count**(%%) ====
1242 -
1243 -
1244 -* (((
1245 -(% style="color:#037691" %)** AT Command:**
1246 -)))
1247 -
1248 -(% style="color:#4472c4" %)** AT+DISFCNTCHECK=0  **(%%) ~/~/  When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
1249 -
1250 -(% style="color:#4472c4" %)** AT+DISFCNTCHECK=1  **(%%) ~/~/  When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
1251 -
1252 -
1253 -
1254 -
1255 -==== (% style="color:blue" %)**When the limit bytes are exceeded, upload in batches**(%%) ====
1256 -
1257 -
1258 -* (((
1259 -(% style="color:#037691" %)** AT Command:**
1260 -)))
1261 -
1262 - (% style="color:#4472c4" %)** AT+DISMACANS=0**  (%%) ~/~/  When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
1263 -
1264 - (% style="color:#4472c4" %)** AT+DISMACANS=1**   (%%) ~/~/  When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
1265 -
1266 -
1267 -* (((
1268 -(% style="color:#037691" %)** Downlink Payload:**
1269 -)))
1270 -
1271 -(% style="color:#4472c4" %)** 0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
1272 -
1273 -
1274 -
1275 -
1276 -==== (% style="color:blue" %)** Copy downlink to uplink **(%%) ====
1277 -
1278 -
1279 -* (((
1280 -(% style="color:#037691" %)** AT Command:**
1281 -)))
1282 -
1283 -(% style="color:#4472c4" %)** AT+RPL=5**  (%%) ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
1284 -
1285 -
1286 -Example：**aa xx xx xx xx**         ~/~/ aa indicates whether the configuration has changed, 00 is yes, 01 is no; xx xx xx xx are the bytes sent.
1287 -
1288 -
1289 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173747-6.png?width=1124&height=165&rev=1.1||alt="image-20220823173747-6.png"]]
1290 -
1291 -
1292 -
1293 -For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1294 -
1295 -
1296 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173833-7.png?width=1124&height=149&rev=1.1||alt="image-20220823173833-7.png"]]
1297 -
1298 -
1299 -For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
1300 -
1301 -
1302 -
1303 -
1304 -==== (% style="color:blue" %)**Query version number and frequency band 、TDC**(%%) ====
1305 -
1306 -
1307 -(((
1308 -* (% style="color:#037691" %)**Downlink Payload:**
1309 -
1310 -(% style="color:#4472c4" %)** 26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1311 -)))
1312 -
1313 -
1314 -Example：
1315 -
1316 -
1317 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
1318 -
1319 -
1320 -
1321 -
1322 -==== (% style="color:blue" %)** Monitor RS485 communication of other devices**(%%) ====
1323 -
1324 -
1325 -* (((
1326 -(% style="color:#037691" %)** AT Command:**
1327 -)))
1328 -
1329 -(% style="color:#4472c4" %)**AT+RXMODE=1,10**    (%%) ~/~/ When the RS485-LN receives more than 10 bytes from the RS485, it immediately sends the uplink of the received data.
1330 -
1331 -(% style="color:#4472c4" %)**AT+RXMODE=2,500    ** (%%) ~/~/  RS485-LN uploads data as uplink from the first byte received by RS485 to the data received within 500ms after that.
1332 -
1333 -(% style="color:#4472c4" %)**AT+RXMODE=0,0  ** (%%) ~/~/  Disable this mode (default)
1334 -
1335 -
1336 -* (((
1337 -(% style="color:#037691" %)**Downlink Payload:**
1338 -)))
1339 -
1340 -(% style="color:#4472c4" %)** A6 aa bb bb               ** (%%) ~/~/same as AT+RXMODE=aa,bb
1341 -
1342 -[[image:image-20220824144240-1.png]]
1343 -
1344 -
1345 -
1346 1346  == 3.6 Listening mode for RS485 network ==
1347 1347  
1348 1348  
... ... @@ -1356,12 +1356,10 @@
1356 1356  
1357 1357  )))
1358 1358  
1359 -(% aria-label="image-20220602171200-8.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602171200-8.png||data-widget="image" height="567" width="1007"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]]
1152 +(% aria-label="image-20220602171200-8.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602171200-8.png||data-widget="image" height="567" width="1007"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1360 1360  
1361 -(% title="Click and drag to resize" %)​
1362 -
1363 1363  (((
1364 -To enable the listening mode, use can run the command (% style="color:#4472c4" %)** AT+RXMODE**.
1155 +To enable the listening mode, use can run the command AT+RXMODE.
1365 1365  )))
1366 1366  
1367 1367  (((
... ... @@ -1396,13 +1396,11 @@
1396 1396  )))
1397 1397  
1398 1398  (((
1399 -
1400 -
1401 -(% style="color:#037691" %)**Downlink Command:**
1190 +(% style="color:#037691" %)** Downlink Command:**
1402 1402  )))
1403 1403  
1404 1404  (((
1405 -(% style="color:#4472c4" %)** 0xA6 aa bb cc **(%%) same as AT+RXMODE=aa,(bb<<8 | cc)
1194 +**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1406 1406  )))
1407 1407  
1408 1408  (((
... ... @@ -1460,6 +1460,8 @@
1460 1460  
1461 1461  
1462 1462  
1252 +
1253 +
1463 1463  == 3.8 LEDs ==
1464 1464  
1465 1465  
... ... @@ -1470,6 +1470,8 @@
1470 1470  
1471 1471  
1472 1472  
1264 +
1265 +
1473 1473  = 4. Case Study =
1474 1474  
1475 1475  
... ... @@ -1485,18 +1485,13 @@
1485 1485  
1486 1486  (((
1487 1487  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.
1488 -
1489 -
1490 1490  )))
1491 1491  
1492 1492  (% aria-label="1654162355560-817.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162355560-817.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1493 1493  
1494 1494  
1495 -
1496 1496  (((
1497 1497  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:
1498 -
1499 -
1500 1500  )))
1501 1501  
1502 1502  (% aria-label="1654162368066-342.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162368066-342.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
... ... @@ -1602,20 +1602,14 @@
1602 1602  
1603 1603  (((
1604 1604  (% style="color:blue" %)**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]].
1605 -
1606 -
1607 1607  )))
1608 1608  
1609 1609  (((
1610 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACP33wo_ZQLsxW2MJ70oUoba/RS485-LN/Firmware?dl=0&subfolder_nav_tracking=1]].
1611 -
1612 -
1396 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Firmware/]].
1613 1613  )))
1614 1614  
1615 1615  (((
1616 1616  (% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update.
1617 -
1618 -
1619 1619  )))
1620 1620  
1621 1621  (((
... ... @@ -1716,6 +1716,8 @@
1716 1716  
1717 1717  
1718 1718  
1501 +
1502 +
1719 1719  = 9.Packing Info =
1720 1720  
1721 1721  
... ... @@ -1734,6 +1734,8 @@
1734 1734  
1735 1735  
1736 1736  
1521 +
1522 +
1737 1737  = 10. FCC Caution for RS485LN-US915 =
1738 1738  
1739 1739  
... ... @@ -1754,7 +1754,7 @@
1754 1754  )))
1755 1755  
1756 1756  (((
1757 -(% style="color:red" %)**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:
1543 +**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:
1758 1758  )))
1759 1759  
1760 1760  (((
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