Changes for page RS485-LN – RS485 to LoRaWAN Converter User Manual

Last modified by Bei Jinggeng on 2025/01/16 11:36

From version < 61.28 >

edited by Xiaoling
on 2022/06/14 11:57

To version < 68.1 >

edited by Bei Jinggeng
on 2022/08/06 09:30

Change comment: There is no comment for this version

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--XWiki.Xiaoling
++XWiki.Bei

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@@ -12,6 +12,11 @@
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  **Table of Contents:**
  {{toc/}}
@@ -110,6 +110,7 @@
  == 1.3 Features ==
++
  * LoRaWAN Class A & Class C protocol (default Class C)
  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
  * AT Commands to change parameters
@@ -123,6 +123,7 @@
  == 1.4 Applications ==
++
  * Smart Buildings & Home Automation
  * Logistics and Supply Chain Management
  * Smart Metering
@@ -134,11 +134,14 @@
  == 1.5 Firmware Change log ==
++
  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
++
  == 1.6 Hardware Change log ==
++
  (((
  (((
  (((
@@ -149,6 +149,7 @@
  v1.0: Release
  )))
++
  )))
  )))
@@ -155,6 +155,7 @@
  = 2. Power ON Device =
++
  (((
  The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
@@ -167,6 +167,7 @@
  (% 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" %)
++
  )))
@@ -174,16 +174,19 @@
  == 3.1 How it works? ==
++
  (((
  (((
  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.
  )))
++
  )))
  == 3.2 Example to join LoRaWAN network ==
++
  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.
  (% 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" %)
@@ -253,8 +253,10 @@
  (% 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" %)
++
  == 3.3 Configure Commands to read data ==
++
  (((
  (((
  (((
@@ -264,15 +264,17 @@
  (((
  (((
--(% 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
++(% 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**
  )))
++
  )))
  )))
--=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
++=== 3.3.1 Configure UART settings for RS485 or TTL communication ===
++
  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:
  (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
@@ -334,10 +334,9 @@
  )))
--
--
  === 3.3.2 Configure sensors ===
++
  (((
  (((
  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.
@@ -361,10 +361,9 @@
  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
--
--
  === 3.3.3 Configure read commands for each sampling ===
++
  (((
  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.
@@ -438,6 +438,7 @@
  === 3.3.4 Compose the uplink payload ===
++
  (((
  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.**
@@ -496,7 +496,7 @@
  DATA3=the rest of Valid value of RETURN10= **30**
--(% 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:
++(% 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:**
     ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
@@ -515,6 +515,7 @@
  === 3.3.5 Uplink on demand ===
++
  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.
  Downlink control command:
@@ -527,6 +527,7 @@
  === 3.3.6 Uplink on Interrupt ===
++
  RS485-LN support external Interrupt uplink since hardware v1.2 release.
  (% 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" %)
@@ -534,6 +534,7 @@
  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.
++
  == 3.4 Uplink Payload ==
@@ -542,8 +542,10 @@
  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
++
  == 3.5 Configure RS485-LN via AT or Downlink ==
++
  (((
  User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
  )))
@@ -565,26 +565,31 @@
  )))
++
  === 3.5.1 Common Commands ===
++
  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]]
++
  === 3.5.2 Sensor related commands ===
++
  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.
--(% 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"]](% style="background:url(~"http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png~") rgba(220, 220, 220, 0.5); left:0px; top:-15px" %)[[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" %)
++(% 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" %)
  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)
++
  === 3.5.3 Sensor related commands ===
--==== (% style="color:#037691" %)**RS485 Debug Command**(%%) ====
++==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
  (((
  This command is used to configure the RS485 devices; they won’t be used during sampling.
@@ -715,7 +715,7 @@
  * (((
  (% style="color:#037691" %)**AT Command:**
--**AT+PAYVER:    **Set PAYVER field = 1
++**AT+PAYVER:    **Set PAYVER field = 1
  )))
@@ -752,9 +752,9 @@
  (% style="color:#037691" %)**AT Command:**
  )))
--**AT+COMMANDx:    **Configure RS485 read command to sensor.
++**AT+COMMANDx:    **Configure RS485 read command to sensor.
--**AT+DATACUTx:        **Configure how to handle return from RS485 devices.
++**AT+DATACUTx:        **Configure how to handle return from RS485 devices.
  * (((
@@ -898,11 +898,11 @@
  )))
  (((
--   **Example:**
++**Example:**
  )))
  (((
--   0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
++**0xAA 01 00 01**    ~-~-> Same as  **AT+CMDDL1=1000 ms**
  )))
@@ -916,6 +916,8 @@
  (((
  The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
++
++
  )))
  * (((
@@ -975,6 +975,8 @@
  (((
  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
++
++
  )))
  * (((
@@ -1026,35 +1026,35 @@
  )))
  (((
--Set Baud Rate:
++
++
++* Set Baud Rate
  )))
--
  **AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
  (((
--Set UART Parity
++* Set UART Parity
  )))
--
  **AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
  (((
--Set STOPBIT
++* Set STOPBIT
  )))
--
  **AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
++
  * (((
  (% style="color:#037691" %)** Downlink Payload:**
  )))
  (((
--**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
++**A7 01 aa bb**:     Same  AT+BAUDR=hex(aa bb)*100
  )))
  (((
@@ -1069,11 +1069,11 @@
  )))
  (((
--A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
++A7 02 aa:    Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
  )))
  (((
--A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
++A7 03 aa:    Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
  )))
@@ -1081,6 +1081,7 @@
  == 3.6 Listening mode for RS485 network ==
++
  (((
  This feature support since firmware v1.4
  )))
@@ -1087,6 +1087,8 @@
  (((
  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.
++
++
  )))
  (% 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" %)
@@ -1127,7 +1127,7 @@
  )))
  (((
--**Downlink Command:**
++(% style="color:#037691" %)** Downlink Command:**
  )))
  (((
@@ -1172,11 +1172,12 @@
  (((
  (((
--(% 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.
++(% 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.**
  )))
  )))
++
  == 3.7 Buttons ==
@@ -1186,6 +1186,7 @@
  |(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
  |(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
++
  == 3.8 LEDs ==
@@ -1194,15 +1194,19 @@
  |**PWR**|Always on if there is power
  |**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.
++
  = 4. Case Study =
++
  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]]
++
  = 5. Use AT Command =
  == 5.1 Access AT Command ==
++
  (((
  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.
  )))
@@ -1225,63 +1225,51 @@
  == 5.2 Common AT Command Sequence ==
++
  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
++
  If device has not joined network yet:
--(% class="box infomessage" %)
--(((
--**AT+FDR**
--)))
++* (% style="color:#037691" %)**AT+FDR**
++* (% style="color:#037691" %)**AT+NJM=0**
++* (% style="color:#037691" %)**ATZ**
--(% class="box infomessage" %)
  (((
--**AT+NJM=0**
--)))
++
--(% class="box infomessage" %)
--(((
--**ATZ**
--)))
--
--
--(((
  If device already joined network:
--)))
--(% class="box infomessage" %)
--(((
--**AT+NJM=0**
--)))
++* (% style="color:#037691" %)**AT+NJM=0**
++* (% style="color:#037691" %)**ATZ**
--(% class="box infomessage" %)
--(((
--**ATZ**
++
  )))
++
  === 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
--(% style="background-color:#dcdcdc" %)**AT+FDR** (%%)      Reset Parameters to Factory Default, Keys Reserve
++(% style="background-color:#dcdcdc" %)**AT+FDR** (%%)          Reset Parameters to Factory Default, Keys Reserve
--(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
++(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)   Set to ABP mode
--(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
++(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)   Set the Adaptive Data Rate Off
--(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)Set Data Rate
++(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)   Set Data Rate
--(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
++(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%)                 Set transmit interval to 60 seconds
--(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
++(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)          Set transmit frequency to 868.4Mhz
--(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
++(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%)     Set RX2Frequency to 868.4Mhz (according to the result from server)
--(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
++(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%)                    Set RX2DR to match the downlink DR from server. see below
--(% style="background-color:#dcdcdc" %)**AT+DADDR=26** (%%) 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
++(% style="background-color:#dcdcdc" %)**AT+DADDR=26** (%%)                  01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
--(% style="background-color:#dcdcdc" %)**ATZ**       (%%)   Reset MCU
++(% style="background-color:#dcdcdc" %)**ATZ**       (%%)                                Reset MCU
  (% style="color:red" %)**Note:**
@@ -1296,10 +1296,12 @@
  (% 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" %)
++
  = 6. FAQ =
  == 6.1 How to upgrade the image? ==
++
  (((
  The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
  )))
@@ -1321,15 +1321,15 @@
  (% 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" %)
  (((
--**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]].
++(% 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]].
  )))
  (((
--**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
++(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Firmware/]].
  )))
  (((
--**Step3: **Open flashloader; choose the correct COM port to update.
++(% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update.
  )))
  (((
@@ -1350,57 +1350,86 @@
  (% 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" %)
--**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
++(% 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:**
  (% 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" %)
++
  == 6.2 How to change the LoRa Frequency Bands/Region? ==
++
  User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
++
  == 6.3 How many RS485-Slave can RS485-LN connects? ==
++
  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"]].
++
  == 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
++
  When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
  Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
++
++== 6.5 Can i use point to point communication for RS485-LN? ==
++
++
++Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
++
++
++
++== 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
++
++
++[[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/]]
++
++
++
  = 7. Trouble Shooting =
--== 7.1 Downlink doesn’t work, how to solve it? ==
++== 7.1 Downlink doesn't work, how to solve it? ==
++
++
  Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
--== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
++== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
++
++
  It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
++
  = 8. Order Info =
++
  (% style="color:blue" %)**Part Number: RS485-LN-XXX**
  (% style="color:blue" %)**XXX:**
--* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
--* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
--* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
--* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
--* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
--* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
--* (% style="color:blue" %)**US915**(%%): frequency bands US915
--* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
--* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
--* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
++* (% style="color:red" %)**EU433**(%%):  frequency bands EU433
++* (% style="color:red" %)**EU868**(%%):  frequency bands EU868
++* (% style="color:red" %)**KR920**(%%):  frequency bands KR920
++* (% style="color:red" %)**CN470**(%%):  frequency bands CN470
++* (% style="color:red" %)**AS923**(%%):  frequency bands AS923
++* (% style="color:red" %)**AU915**(%%):  frequency bands AU915
++* (% style="color:red" %)**US915**(%%):  frequency bands US915
++* (% style="color:red" %)**IN865**(%%):   frequency bands IN865
++* (% style="color:red" %)**RU864**(%%):  frequency bands RU864
++* (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
++
++
  = 9.Packing Info =
@@ -1417,8 +1417,12 @@
  * Package Size / pcs : 14.5 x 8 x 5 cm
  * Weight / pcs : 170g
++
++
++
  = 10. FCC Caution for RS485LN-US915 =
++
  (((
  Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
  )))
@@ -1432,7 +1432,7 @@
  )))
  (((
--**IMPORTANT NOTE:**
++(% style="color:red" %)**IMPORTANT NOTE:**
  )))
  (((
@@ -1460,7 +1460,7 @@
  )))
  (((
--**FCC Radiation Exposure Statement:**
++(% style="color:red" %)**FCC Radiation Exposure Statement:**
  )))
  (((
@@ -1468,8 +1468,10 @@
  )))
++
  = 11. Support =
++
  * (((
  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.
  )))

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