Changes for page RS485-LN – RS485 to LoRaWAN Converter User Manual
Last modified by Bei Jinggeng on 2025/01/16 11:36
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... ... @@ -12,6 +12,11 @@ 12 12 13 13 14 14 15 + 16 + 17 + 18 + 19 + 15 15 **Table of Contents:** 16 16 17 17 {{toc/}} ... ... @@ -69,7 +69,6 @@ 69 69 (% 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" %) 70 70 71 71 72 - 73 73 == 1.2 Specifications == 74 74 75 75 ... ... @@ -108,10 +108,8 @@ 108 108 * Packet engine up to 256 bytes with CRC 109 109 110 110 111 - 112 112 == 1.3 Features == 113 113 114 - 115 115 * LoRaWAN Class A & Class C protocol (default Class C) 116 116 * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864 117 117 * AT Commands to change parameters ... ... @@ -122,10 +122,8 @@ 122 122 * Support Interrupt uplink (Since hardware version v1.2) 123 123 124 124 125 - 126 126 == 1.4 Applications == 127 127 128 - 129 129 * Smart Buildings & Home Automation 130 130 * Logistics and Supply Chain Management 131 131 * Smart Metering ... ... @@ -134,17 +134,13 @@ 134 134 * Smart Factory 135 135 136 136 137 - 138 138 == 1.5 Firmware Change log == 139 139 140 - 141 141 [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]] 142 142 143 143 144 - 145 145 == 1.6 Hardware Change log == 146 146 147 - 148 148 ((( 149 149 ((( 150 150 ((( ... ... @@ -155,7 +155,6 @@ 155 155 v1.0: Release 156 156 ))) 157 157 158 - 159 159 160 160 ))) 161 161 ))) ... ... @@ -162,7 +162,6 @@ 162 162 163 163 = 2. Power ON Device = 164 164 165 - 166 166 ((( 167 167 The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below 168 168 ... ... @@ -175,7 +175,6 @@ 175 175 176 176 (% 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" %) 177 177 178 - 179 179 180 180 ))) 181 181 ... ... @@ -183,19 +183,16 @@ 183 183 184 184 == 3.1 How it works? == 185 185 186 - 187 187 ((( 188 188 ((( 189 189 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. 190 190 ))) 191 191 192 - 193 193 194 194 ))) 195 195 196 196 == 3.2 Example to join LoRaWAN network == 197 197 198 - 199 199 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. 200 200 201 201 (% 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" %) ... ... @@ -265,10 +265,8 @@ 265 265 (% 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" %) 266 266 267 267 268 - 269 269 == 3.3 Configure Commands to read data == 270 270 271 - 272 272 ((( 273 273 ((( 274 274 ((( ... ... @@ -278,17 +278,15 @@ 278 278 279 279 ((( 280 280 ((( 281 -(% 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**269 +(% 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 v1.1 282 282 ))) 283 283 284 - 285 285 286 286 ))) 287 287 ))) 288 288 289 -=== 3.3.1 Configure UART settings for RS485 or TTL communication ===276 +=== 3.3.1 onfigure UART settings for RS485 or TTL communication === 290 290 291 - 292 292 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: 293 293 294 294 (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) ... ... @@ -350,16 +350,11 @@ 350 350 ))) 351 351 352 352 353 - 354 - 355 355 === 3.3.2 Configure sensors === 356 356 357 - 358 358 ((( 359 359 ((( 360 -Some sensors might need to configure before normal operation. User can configure such sensor via PC and RS485 adapter or through RS485-LN AT Commands (% style="color:#4f81bd" %)**AT+CFGDEV**(%%). Each (% style="color:#4f81bd" %)**AT+CFGDEV **(%%)equals to send a RS485 command to sensors. This command will only run when user input it and won't run during each sampling. 361 - 362 - 343 +Some sensors might need to configure before normal operation. User can configure such sensor via PC and RS485 adapter or through RS485-LN AT Commands (% style="color:#4f81bd" %)**AT+CFGDEV**(%%). Each (% style="color:#4f81bd" %)**AT+CFGDEV **(%%)equals to send a RS485 command to sensors. This command will only run when user input it and won’t run during each sampling. 363 363 ))) 364 364 ))) 365 365 ... ... @@ -380,11 +380,8 @@ 380 380 )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 381 381 382 382 383 - 384 - 385 385 === 3.3.3 Configure read commands for each sampling === 386 386 387 - 388 388 ((( 389 389 During each sampling, we need confirm what commands we need to send to the RS485 sensors to read data. After the RS485 sensors send back the value, it normally include some bytes and we only need a few from them for a shorten payload. 390 390 ... ... @@ -458,7 +458,6 @@ 458 458 459 459 === 3.3.4 Compose the uplink payload === 460 460 461 - 462 462 ((( 463 463 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.** 464 464 ... ... @@ -517,7 +517,7 @@ 517 517 DATA3=the rest of Valid value of RETURN10= **30** 518 518 519 519 520 -(% 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:**497 +(% 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: 521 521 522 522 ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink. 523 523 ... ... @@ -536,7 +536,6 @@ 536 536 537 537 === 3.3.5 Uplink on demand === 538 538 539 - 540 540 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. 541 541 542 542 Downlink control command: ... ... @@ -549,7 +549,6 @@ 549 549 550 550 === 3.3.6 Uplink on Interrupt === 551 551 552 - 553 553 RS485-LN support external Interrupt uplink since hardware v1.2 release. 554 554 555 555 (% 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" %) ... ... @@ -557,7 +557,6 @@ 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. 558 558 559 559 560 - 561 561 == 3.4 Uplink Payload == 562 562 563 563 ... ... @@ -566,10 +566,8 @@ 566 566 Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors. 567 567 568 568 569 - 570 570 == 3.5 Configure RS485-LN via AT or Downlink == 571 571 572 - 573 573 ((( 574 574 User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands 575 575 ))) ... ... @@ -591,17 +591,13 @@ 591 591 ))) 592 592 593 593 594 - 595 595 === 3.5.1 Common Commands === 596 596 597 - 598 598 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]] 599 599 600 600 601 - 602 602 === 3.5.2 Sensor related commands === 603 603 604 - 605 605 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. 606 606 607 607 (% 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" %) ... ... @@ -1116,7 +1116,6 @@ 1116 1116 1117 1117 == 3.6 Listening mode for RS485 network == 1118 1118 1119 - 1120 1120 ((( 1121 1121 This feature support since firmware v1.4 1122 1122 ))) ... ... @@ -1123,8 +1123,6 @@ 1123 1123 1124 1124 ((( 1125 1125 RS485-LN supports listening mode, it can listen the RS485 network packets and send them via LoRaWAN uplink. Below is the structure. The blue arrow shows the RS485 network packets to RS485-LN. 1126 - 1127 - 1128 1128 ))) 1129 1129 1130 1130 (% 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" %) ... ... @@ -1210,12 +1210,11 @@ 1210 1210 1211 1211 ((( 1212 1212 ((( 1213 -(% style="color:red" %) **Notice: Listening mode can work with the default polling mode of RS485-LN. When RS485-LN is in to send the RS485 commands (from AT+COMMANDx), the listening mode will be interrupt for a while.**1178 +(% style="color:red" %)Notice: Listening mode can work with the default polling mode of RS485-LN. When RS485-LN is in to send the RS485 commands (from AT+COMMANDx), the listening mode will be interrupt for a while. 1214 1214 ))) 1215 1215 ))) 1216 1216 1217 1217 1218 - 1219 1219 == 3.7 Buttons == 1220 1220 1221 1221 ... ... @@ -1226,8 +1226,6 @@ 1226 1226 |(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 1227 1227 1228 1228 1229 - 1230 - 1231 1231 == 3.8 LEDs == 1232 1232 1233 1233 ... ... @@ -1237,20 +1237,15 @@ 1237 1237 |**SYS**|After device is powered on, the SYS will (% style="color:green" %)**fast blink in GREEN**(%%) for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be (% style="color:green" %)**on GREEN for 5 seconds** (%%)**. **SYS will (% style="color:green" %)**blink Blue**(%%) on every upload and (% style="color:green" %)**blink Green**(%%) once receive a downlink message. 1238 1238 1239 1239 1240 - 1241 - 1242 1242 = 4. Case Study = 1243 1243 1244 - 1245 1245 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]] 1246 1246 1247 1247 1248 - 1249 1249 = 5. Use AT Command = 1250 1250 1251 1251 == 5.1 Access AT Command == 1252 1252 1253 - 1254 1254 ((( 1255 1255 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. 1256 1256 ))) ... ... @@ -1276,7 +1276,6 @@ 1276 1276 1277 1277 === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 1278 1278 1279 - 1280 1280 If device has not joined network yet: 1281 1281 1282 1282 * (% style="color:#037691" %)**AT+FDR** ... ... @@ -1295,7 +1295,6 @@ 1295 1295 ))) 1296 1296 1297 1297 1298 - 1299 1299 === 5.5.2 Single-channel ABP mode (Use with LG01/LG02) === 1300 1300 1301 1301 ... ... @@ -1332,12 +1332,10 @@ 1332 1332 (% 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" %) 1333 1333 1334 1334 1335 - 1336 1336 = 6. FAQ = 1337 1337 1338 1338 == 6.1 How to upgrade the image? == 1339 1339 1340 - 1341 1341 ((( 1342 1342 The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to: 1343 1343 ))) ... ... @@ -1356,16 +1356,14 @@ 1356 1356 Below shows the hardware connection for how to upload an image to RS485-LN: 1357 1357 ))) 1358 1358 1359 -(% aria-label="1654162535040-878.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162535040-878.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]] 1312 +(% aria-label="1654162535040-878.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162535040-878.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 1360 1360 1361 -(% title="Click and drag to resize" %) 1362 - 1363 1363 ((( 1364 1364 (% 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]]. 1365 1365 ))) 1366 1366 1367 1367 ((( 1368 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:http s://www.dragino.com/downloads/index.php?dir=RS485-LN/Firmware/]].1319 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1369 1369 ))) 1370 1370 1371 1371 ((( ... ... @@ -1390,69 +1390,52 @@ 1390 1390 (% aria-label="image-20220602175912-14.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175912-14.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 1391 1391 1392 1392 1393 -(% style="color:red" %)**Notice**: **In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:**1344 +(% style="color:red" %)**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is: 1394 1394 1395 1395 (% 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" %) 1396 1396 1397 1397 1398 - 1399 1399 == 6.2 How to change the LoRa Frequency Bands/Region? == 1400 1400 1401 - 1402 1402 User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1403 1403 1404 1404 1405 - 1406 1406 == 6.3 How many RS485-Slave can RS485-LN connects? == 1407 1407 1408 - 1409 1409 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"]]. 1410 1410 1411 1411 1412 - 1413 1413 == 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? == 1414 1414 1415 - 1416 1416 When user need to use with ChirpStack or TTI. Please set AT+RPL=4. 1417 1417 1418 1418 Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]] 1419 1419 1420 1420 1421 - 1422 1422 == 6.5 Can i use point to point communication for RS485-LN? == 1423 1423 1424 - 1425 1425 Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]]. 1426 1426 1427 1427 1428 - 1429 1429 == 6.6 How to Use RS485-LN to connect to RS232 devices? == 1430 1430 1431 - 1432 1432 [[Use RS485-BL or RS485-LN to connect to RS232 devices. - DRAGINO>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/RS485%20to%20RS232/]] 1433 1433 1434 1434 1435 - 1436 1436 = 7. Trouble Shooting = 1437 1437 1438 - 1439 1439 == 7.1 Downlink doesn't work, how to solve it? == 1440 1440 1441 - 1442 1442 Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]] 1443 1443 1444 1444 1445 - 1446 1446 == 7.2 Why I can't join TTN V3 in US915 /AU915 bands? == 1447 1447 1448 - 1449 1449 It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 1450 1450 1451 1451 1452 - 1453 1453 = 8. Order Info = 1454 1454 1455 - 1456 1456 (% style="color:blue" %)**Part Number: RS485-LN-XXX** 1457 1457 1458 1458 (% style="color:blue" %)**XXX:** ... ... @@ -1469,7 +1469,6 @@ 1469 1469 * (% style="color:red" %)**KZ865**(%%): frequency bands KZ865 1470 1470 1471 1471 1472 - 1473 1473 = 9.Packing Info = 1474 1474 1475 1475 ... ... @@ -1487,10 +1487,8 @@ 1487 1487 * Weight / pcs : 170g 1488 1488 1489 1489 1490 - 1491 1491 = 10. FCC Caution for RS485LN-US915 = 1492 1492 1493 - 1494 1494 ((( 1495 1495 Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 1496 1496 ))) ... ... @@ -1543,7 +1543,6 @@ 1543 1543 1544 1544 = 11. Support = 1545 1545 1546 - 1547 1547 * ((( 1548 1548 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. 1549 1549 )))