<
From version < 102.1 >
edited by Bei Jinggeng
on 2023/04/19 11:41
To version < 95.1 >
edited by Bei Jinggeng
on 2022/11/30 10:47
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -28,8 +28,9 @@
28 28  
29 29  
30 30  
31 -= 1. Introduction =
31 += 1.Introduction =
32 32  
33 +
33 33  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
34 34  
35 35  
... ... @@ -57,6 +57,7 @@
57 57  (% aria-label="1653267211009-519.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653267211009-519.png||data-widget="image" height="419" 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" %)​
58 58  
59 59  
61 +
60 60  == 1.2 Specifications ==
61 61  
62 62  
... ... @@ -125,6 +125,7 @@
125 125  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
126 126  
127 127  
130 +
128 128  == 1.6 Hardware Change log ==
129 129  
130 130  
... ... @@ -138,6 +138,7 @@
138 138  v1.0: Release
139 139  )))
140 140  
144 +
141 141  
142 142  )))
143 143  )))
... ... @@ -157,11 +157,13 @@
157 157  
158 158  (% aria-label="1653268091319-405.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268091319-405.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" %)​
159 159  
164 +
160 160  
161 161  )))
162 162  
163 163  = 3. Operation Mode =
164 164  
170 +
165 165  == 3.1 How it works? ==
166 166  
167 167  
... ... @@ -170,6 +170,7 @@
170 170  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.
171 171  )))
172 172  
179 +
173 173  
174 174  )))
175 175  
... ... @@ -258,6 +258,7 @@
258 258  (% 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" %)​
259 259  
260 260  
268 +
261 261  == 3.3 Configure Commands to read data ==
262 262  
263 263  
... ... @@ -275,6 +275,7 @@
275 275  (% 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**
276 276  )))
277 277  
286 +
278 278  
279 279  )))
280 280  )))
... ... @@ -446,6 +446,7 @@
446 446  
447 447  (% aria-label="image-20220602153621-3.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-3.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
448 448  
458 +
449 449  
450 450  )))
451 451  
... ... @@ -534,6 +534,7 @@
534 534  (% 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" %)​
535 535  
536 536  
547 +
537 537  === 3.3.5 Uplink on demand ===
538 538  
539 539  
... ... @@ -546,6 +546,7 @@
546 546  (% style="color:#4472c4" %)** 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors.
547 547  
548 548  
560 +
549 549  === 3.3.6 Uplink on Interrupt ===
550 550  
551 551  
... ... @@ -557,6 +557,7 @@
557 557  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.
558 558  
559 559  
572 +
560 560  == 3.4 Uplink Payload ==
561 561  
562 562  
... ... @@ -585,6 +585,7 @@
585 585  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
586 586  
587 587  
601 +
588 588  == 3.5 Configure RS485-LN via AT or Downlink ==
589 589  
590 590  
... ... @@ -609,6 +609,7 @@
609 609  )))
610 610  
611 611  
626 +
612 612  === 3.5.1 Common Commands ===
613 613  
614 614  
... ... @@ -615,6 +615,7 @@
615 615  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]]
616 616  
617 617  
633 +
618 618  === 3.5.2 Downlink Response(Since firmware v1.4) ===
619 619  
620 620  
... ... @@ -628,10 +628,12 @@
628 628  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)
629 629  
630 630  
647 +
631 631  === 3.5.3 Sensor related commands ===
632 632  
633 633  
634 634  
652 +
635 635  ==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
636 636  
637 637  
... ... @@ -754,6 +754,7 @@
754 754  
755 755  
756 756  
775 +
757 757  ==== (% style="color:blue" %)**Set Payload version**(%%) ====
758 758  
759 759  
... ... @@ -796,6 +796,7 @@
796 796  
797 797  
798 798  
818 +
799 799  ==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
800 800  
801 801  
... ... @@ -880,6 +880,7 @@
880 880  
881 881  
882 882  
903 +
883 883  ==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
884 884  
885 885  
... ... @@ -923,6 +923,7 @@
923 923  
924 924  
925 925  
947 +
926 926  ==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
927 927  
928 928  
... ... @@ -959,7 +959,7 @@
959 959  )))
960 960  
961 961  (((
962 -(% style="color:#4472c4" %)** 0x AA aa bb cc**(%%) Same as: AT+CMDDLaa=hex (bb cc)
984 +(% style="color:#4472c4" %)** 0x AA aa bb cc**(%%) Same as: AT+CMDDLaa=hex(bb cc)*1000
963 963  )))
964 964  
965 965  (((
... ... @@ -969,11 +969,12 @@
969 969  )))
970 970  
971 971  (((
972 -**0xAA 01 03 E8**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
994 +**0xAA 01 00 01**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
973 973  )))
974 974  
975 975  
976 976  
999 +
977 977  ==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
978 978  
979 979  
... ... @@ -1028,6 +1028,7 @@
1028 1028  
1029 1029  
1030 1030  
1054 +
1031 1031  ==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
1032 1032  
1033 1033  
... ... @@ -1057,6 +1057,7 @@
1057 1057  
1058 1058  
1059 1059  
1084 +
1060 1060  ==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
1061 1061  
1062 1062  
... ... @@ -1105,6 +1105,7 @@
1105 1105  
1106 1106  
1107 1107  
1133 +
1108 1108  ==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
1109 1109  
1110 1110  
... ... @@ -1188,7 +1188,7 @@
1188 1188  
1189 1189  
1190 1190  
1191 -==== (% style="color:blue" %)**Encrypted payload(Since Version 1.4.0)**(%%) ====
1217 +==== (% style="color:blue" %)**Encrypted payload**(%%) ====
1192 1192  
1193 1193  (((
1194 1194  
... ... @@ -1204,9 +1204,10 @@
1204 1204  
1205 1205  
1206 1206  
1207 -==== (% style="color:blue" %)**Get sensor value(Since Version 1.4.0)**(%%) ====
1208 1208  
1234 +==== (% style="color:blue" %)**Get sensor value**(%%) ====
1209 1209  
1236 +
1210 1210  * (((
1211 1211  (% style="color:#037691" %)** AT Command:**
1212 1212  )))
... ... @@ -1217,9 +1217,10 @@
1217 1217  
1218 1218  
1219 1219  
1220 -==== (% style="color:blue" %)**Resets the downlink packet count(Since Version 1.4.0)**(%%) ====
1221 1221  
1248 +==== (% style="color:blue" %)**Resets the downlink packet count**(%%) ====
1222 1222  
1250 +
1223 1223  * (((
1224 1224  (% style="color:#037691" %)** AT Command:**
1225 1225  )))
... ... @@ -1230,9 +1230,10 @@
1230 1230  
1231 1231  
1232 1232  
1233 -==== (% style="color:blue" %)**When the limit bytes are exceeded, upload in batches(Since Version 1.4.0)**(%%) ====
1234 1234  
1262 +==== (% style="color:blue" %)**When the limit bytes are exceeded, upload in batches**(%%) ====
1235 1235  
1264 +
1236 1236  * (((
1237 1237  (% style="color:#037691" %)** AT Command:**
1238 1238  )))
... ... @@ -1250,9 +1250,10 @@
1250 1250  
1251 1251  
1252 1252  
1253 -==== (% style="color:blue" %)**Copy downlink to uplink (Since Version 1.4.0)**(%%) ====
1254 1254  
1283 +==== (% style="color:blue" %)** Copy downlink to uplink **(%%) ====
1255 1255  
1285 +
1256 1256  * (((
1257 1257  (% style="color:#037691" %)** AT Command:**
1258 1258  )))
... ... @@ -1274,9 +1274,10 @@
1274 1274  
1275 1275  
1276 1276  
1277 -==== (% style="color:blue" %)**Query version number and frequency band 、TDC(Since Version 1.4.0)**(%%) ====
1278 1278  
1308 +==== (% style="color:blue" %)**Query version number and frequency band 、TDC**(%%) ====
1279 1279  
1310 +
1280 1280  (((
1281 1281  * (% style="color:#037691" %)**Downlink Payload:**
1282 1282  
... ... @@ -1291,9 +1291,10 @@
1291 1291  
1292 1292  
1293 1293  
1294 -==== (% style="color:blue" %)** Monitor RS485 communication of other devices(Since Version 1.4.0)**(%%) ====
1295 1295  
1326 +==== (% style="color:blue" %)** Monitor RS485 communication of other devices**(%%) ====
1296 1296  
1328 +
1297 1297  * (((
1298 1298  (% style="color:#037691" %)** AT Command:**
1299 1299  )))
... ... @@ -1314,6 +1314,7 @@
1314 1314  [[image:image-20220824144240-1.png]]
1315 1315  
1316 1316  
1349 +
1317 1317  == 3.6 Listening mode for RS485 network ==
1318 1318  
1319 1319  
... ... @@ -1393,15 +1393,15 @@
1393 1393  )))
1394 1394  
1395 1395  (((
1396 -The Modbus master send a command: (% style="background-color:#ffc000" %)**01 03 00 00 00 02 c4 0b**
1429 +The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1397 1397  )))
1398 1398  
1399 1399  (((
1400 -And Modbus slave reply with: (% style="background-color:green" %)**01 03 04 00 00 00 00 fa 33**
1433 +And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1401 1401  )))
1402 1402  
1403 1403  (((
1404 -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**
1437 +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
1405 1405  
1406 1406  
1407 1407  )))
... ... @@ -1421,6 +1421,7 @@
1421 1421  )))
1422 1422  
1423 1423  
1457 +
1424 1424  == 3.7 Buttons ==
1425 1425  
1426 1426  
... ... @@ -1446,8 +1446,10 @@
1446 1446  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]]
1447 1447  
1448 1448  
1483 +
1449 1449  = 5. Use AT Command =
1450 1450  
1486 +
1451 1451  == 5.1 Access AT Command ==
1452 1452  
1453 1453  
... ... @@ -1475,8 +1475,10 @@
1475 1475  )))
1476 1476  
1477 1477  
1514 +
1478 1478  == 5.2 Common AT Command Sequence ==
1479 1479  
1517 +
1480 1480  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1481 1481  
1482 1482  
... ... @@ -1493,6 +1493,8 @@
1493 1493  
1494 1494  * (% style="color:#037691" %)**AT+NJM=0**
1495 1495  * (% style="color:#037691" %)**ATZ**
1534 +
1535 +
1496 1496  )))
1497 1497  
1498 1498  
... ... @@ -1535,8 +1535,10 @@
1535 1535  (% aria-label="1654162478620-421.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162478620-421.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1536 1536  
1537 1537  
1578 +
1538 1538  = 6. FAQ =
1539 1539  
1581 +
1540 1540  == 6.1 How to upgrade the image? ==
1541 1541  
1542 1542  
... ... @@ -1603,6 +1603,7 @@
1603 1603  (% aria-label="image-20220602175638-10.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175638-10.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1604 1604  
1605 1605  
1648 +
1606 1606  == 6.2 How to change the LoRa Frequency Bands/Region? ==
1607 1607  
1608 1608  
... ... @@ -1609,6 +1609,7 @@
1609 1609  User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1610 1610  
1611 1611  
1655 +
1612 1612  == 6.3 How many RS485-Slave can RS485-LN connects? ==
1613 1613  
1614 1614  
... ... @@ -1615,6 +1615,7 @@
1615 1615  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"]].
1616 1616  
1617 1617  
1662 +
1618 1618  == 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1619 1619  
1620 1620  
... ... @@ -1623,6 +1623,7 @@
1623 1623  Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1624 1624  
1625 1625  
1671 +
1626 1626  == 6.5 Can i use point to point communication for RS485-LN? ==
1627 1627  
1628 1628  
... ... @@ -1629,6 +1629,7 @@
1629 1629  Yes, please updating point-to-point [[firmware>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACP33wo_ZQLsxW2MJ70oUoba/RS485-LN/Firmware?dl=0&subfolder_nav_tracking=1]],then refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
1630 1630  
1631 1631  
1678 +
1632 1632  == 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
1633 1633  
1634 1634  
... ... @@ -1637,7 +1637,7 @@
1637 1637  
1638 1638  == 6.7 How to judge whether there is a problem with the set COMMAND ==
1639 1639  
1640 -=== 6.7.1 Introduce: ===
1687 += Introduce: =
1641 1641  
1642 1642  
1643 1643  Users can use below the structure to fast debug the communication between RS485BL and RS485-LN. The principle is to put the PC in the RS485 network and sniff the packet between Modbus MTU and RS485-BL/LN. We can use this way to:
... ... @@ -1655,46 +1655,42 @@
1655 1655  [[image:image-20221130104310-2.png]]
1656 1656  
1657 1657  
1658 -=== 6.7.2 Set up PC to monitor RS485 network With Serial tool ===
1705 += Set up PC to monitor RS485 network =
1659 1659  
1707 +== With Serial tool ==
1660 1660  
1661 -(% style="color:red" %)**Note: Receive and send set to hex mode**
1709 +Note: Receive and send set to hex mode
1662 1662  
1663 1663  [[image:image-20221130104310-3.png||height="616" width="714"]]
1664 1664  
1665 1665  
1666 -=== 6.7.3 With ModRSsim2: ===
1714 +== With ModRSsim2: ==
1667 1667  
1716 +(1)Select serial port MODBUS RS-232
1668 1668  
1669 -(% style="color:blue" %)**(1) Select serial port MODBUS RS-232**
1670 -
1671 1671  [[image:image-20221130104310-4.png||height="390" width="865"]]
1672 1672  
1673 1673  
1674 -(% style="color:blue" %)**(2) Click the serial port icon**
1721 +(2)Click the serial port icon
1675 1675  
1676 1676  [[image:image-20221130104310-5.png||height="392" width="870"]]
1677 1677  
1678 1678  
1679 -(% style="color:blue" %)**(3) After selecting the correct serial port and baud rate, click ok**
1726 +(3)After selecting the correct serial port and baud rate, click ok
1680 1680  
1681 1681  [[image:image-20221130104310-6.png]]
1682 1682  
1730 +(4)Click the comms.
1683 1683  
1684 -(% style="color:blue" %)**(4) Click the comms.**
1685 -
1686 1686  [[image:image-20221130104310-7.png||height="376" width="835"]]
1687 1687  
1688 -(% class="wikigeneratedid" id="HRunRS485-LN2FBLcommandandmonitorifitiscorrect." %)
1689 -**Run RS485-LN/BL command and monitor if it is correct.**
1734 += Run RS485-LN/BL command and monitor if it is correct. =
1690 1690  
1736 +== Example – Test the CFGDEV command ==
1691 1691  
1692 -=== 6.7.4 Example – Test the CFGDEV command ===
1693 -
1694 -
1695 1695  RS485-LN sent below command:
1696 1696  
1697 -(% style="color:blue" %)**AT+CFGDEV=01 03 00 20 00 01,1**(%%) to RS485 network, and PC is able to get this command and return commands from MTU to show in the serial tool.
1740 +AT+CFGDEV=01 03 20 00 01 85 c0,1 to RS485 network, and PC is able to get this command and return commands from MTU to show in the serial tool.
1698 1698  
1699 1699  
1700 1700  We can see the output from the Serial port tool to analyze. And check if they are expected result.
... ... @@ -1701,30 +1701,28 @@
1701 1701  
1702 1702  [[image:image-20221130104310-8.png||height="214" width="797"]]
1703 1703  
1747 +We can also use ModRSsim2 to see the output.
1704 1704  
1705 -We can also use (% style="color:blue" %)**ModRSsim2**(%%) to see the output.
1706 -
1707 1707  [[image:image-20221130104310-9.png||height="531" width="729"]]
1708 1708  
1709 1709  
1710 -=== 6.7.5 Example – Test CMD command sets. ===
1711 1711  
1753 +== Example – Test CMD command sets. ==
1712 1712  
1713 -Run (% style="color:blue" %)**AT+SENSORVALUE=1**(%%) to test the CMD commands set in RS485-LN.
1755 +Run AT+SENSORVALUE=1 to test the CMD commands set in RS485-LN.
1714 1714  
1715 1715  
1716 -(% style="color:blue" %)**Serial port tool:**
1758 +Serial port tool:
1717 1717  
1718 1718  [[image:image-20221130104310-10.png||height="339" width="844"]]
1719 1719  
1762 +ModRSsim2:
1720 1720  
1721 -(% style="color:blue" %)**ModRSsim2:**
1722 -
1723 1723  [[image:image-20221130104310-11.png||height="281" width="962"]]
1724 1724  
1725 1725  
1726 -=== 6.7.6 Test with PC ===
1727 1727  
1768 += **Test with PC** =
1728 1728  
1729 1729  If there is still have problem to set up correctly the commands between RS485-LN and MTU. User can test the correct RS485 command set in PC and compare with the RS485 command sent out via RS485-LN. as long as both commands are the same, the MTU should return correct result.
1730 1730  
... ... @@ -1731,27 +1731,19 @@
1731 1731  
1732 1732  Or User can send the working commands set in PC serial tool to Dragino Support to check what should be configured in RS485-LN.
1733 1733  
1734 -(% style="color:blue" %)**Connection method:**
1775 +Connection method:
1735 1735  
1736 1736  [[image:image-20221130104310-12.png]]
1737 1737  
1779 +Link situation:
1738 1738  
1739 -(% style="color:blue" %)**Link situation:**
1740 -
1741 1741  [[image:image-20221130104310-13.png||height="458" width="486"]]
1742 1742  
1743 -
1744 1744  [[image:image-20221130104310-14.png||height="371" width="823"]]
1745 1745  
1746 -
1747 -== 6.8 Where to get the decoder for RS485-LN? ==
1748 -
1749 -
1750 -The decoder for RS485-LN needs to be written by yourself. Because the sensor to which the user is connected is custom, the read device data bytes also need custom parsing, so there is no universal decoder. We can only provide [[templates>>https://github.com/dragino/dragino-end-node-decoder/tree/main/RS485-LN]] for decoders (no intermediate data parsing part involved)
1751 -
1752 -
1753 1753  = 7. Trouble Shooting =
1754 1754  
1787 +
1755 1755  == 7.1 Downlink doesn't work, how to solve it? ==
1756 1756  
1757 1757  
... ... @@ -1758,6 +1758,7 @@
1758 1758  Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1759 1759  
1760 1760  
1794 +
1761 1761  == 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
1762 1762  
1763 1763  
... ... @@ -1764,6 +1764,7 @@
1764 1764  It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1765 1765  
1766 1766  
1801 +
1767 1767  = 8. Order Info =
1768 1768  
1769 1769  
... ... @@ -1783,7 +1783,7 @@
1783 1783  * (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1784 1784  
1785 1785  
1786 -= 9. Packing Info =
1821 += 9.Packing Info =
1787 1787  
1788 1788  
1789 1789  **Package Includes**:
... ... @@ -1852,6 +1852,7 @@
1852 1852  )))
1853 1853  
1854 1854  
1890 +
1855 1855  = 11. Support =
1856 1856  
1857 1857  
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