Changes for page PG1302 -- LoRaWAN Concentrator User Manual

Last modified by Kilight Cao on 2024/06/22 10:43

From version < 128.2 >

edited by Xiaoling
on 2023/05/27 17:18

To version < 110.1 >

edited by Xiaoye
on 2022/09/28 18:13

Change comment: There is no comment for this version

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@@ -1,1 +1,1 @@
--XWiki.Xiaoling
++XWiki.Xiaoye

Content

@@ -14,13 +14,14 @@
  )))
--= 1. Introduction =
++= **1. Introduction** =
--== 1.1  What is PG1302 LoRaWAN Concentrator? ==
++== **1.1  What is PG1302 LoRaWAN Concentrator?** ==
++
  (((
--The PG1302 is a (% style="color:blue" %)**multi-channel high-performance transmitter/receiver**(%%) designed to simultaneously receive several LoRa packets using random spreading factors on random channels. Its goal is to enable robust connection between a central wireless data concentrator and a massive amount of wireless end-points spread over a very wide range of distances.
++The PG1302 is a (% style="color:green" %)**multi-channel high-performance transmitter/receiver**(%%) designed to simultaneously receive several LoRa packets using random spreading factors on random channels. Its goal is to enable robust connection between a central wireless data concentrator and a massive amount of wireless end-points spread over a very wide range of distances.
  )))
  (((
@@ -28,15 +28,16 @@
  )))
  (((
--PG1302 is fully compatible with (% style="color:blue" %)**RPi3/4 or Tinker Board**(%%), users can use the pre-build OS from Dragino to set up and easy to use the module by Web UI. Or install the raw LoRaWAN driver in the existing OS.
++PG1302 is fully compatible with (% style="color:green" %)**RPi3/4 or Tinker Board**(%%), users can use the pre-build OS from Dragino to set up and easy to use the module by Web UI. Or install the raw LoRaWAN driver in the existing OS.
  )))
--== 1.2 Features ==
++== **1.2 Features** ==
++
  * Base on Semtech SX1302 solution
--* Support Raspberry Pi 3B/3B+/4, TinkerBoard2/2S, Orange Pi Pc/PC PLUS.
++* Support Raspberry Pi 3B/3B+/4
  * Up to -140dBm sensitivity
  * Support 3.3v and 5v.
  * Mini-PCIe Interface
@@ -44,25 +44,25 @@
--== 1.3 General Interfaces for PG1302 ==
++== **1.3 General Interfaces for PG1302** ==
  * SPI interface for LoRa
  * Power Input: 5v, 1A
  * 1 x I-PEX for LoRa
--* Working Temperature: -40 ℃ ~~ 80℃
--== 1.4 Pin Mapping ==
++== **1.4 Pin Mapping** ==
       [[image:1651743282627-547.png||height="402" width="425"]]
--== 1.5 LEDs ==
++== **1.5 LEDs** ==
++
  (((
  TX: Blink when transmit a packet
  RX: Blink when receive a packet
@@ -70,17 +70,19 @@
  )))
--== 1.6 Power Consumption ==
++== **1.6 Power Consumption** ==
++
  <300mA @ 3.3v.
  Detail Test Report see [[this link>>https://www.dropbox.com/sh/89virm4y0b02c7i/AAA-cgQEsSc8gNGFYAB0qZ_Za?dl=0]]
--== 1.7 Applications ==
++== **1.7 Applications** ==
++
  * Smart Buildings & Home Automation
  * Logistics and Supply Chain Management
  * Smart Metering
@@ -90,11 +90,12 @@
--= 2. Example: Set up as LoRaWAN gateway =
++= **2. Example: Set up as LoRaWAN gateway** =
--== 2.1 System structure ==
++== **2.1 System structure** ==
++
  (((
  This example is an example to show how to set up the PG1302 + RPi as a LoRaWAN gateway to use with [[TheThingsNetwork>>url:http://www.thethingsnetwork.org/]](TTN) LoRaWAN server. Set up method for other server are similar.
@@ -104,49 +104,41 @@
  [[image:1651743698677-436.png||height="457" width="686"]]
--== 2.2 Hardware Installation ==
++== **2.2 Hardware Installation** ==
++
  (% style="color:red" %)**Important Notice: Please power the RPI with 5V,3A cable.**
  [[image:image-20220621104746-1.png||height="381" width="451"]]
--= 3. Install the software? =
++= **3. Install the software?** =
--**Raspberry Pi 3B/3B+/4,**
++There are two ways to install the software in RPi4 to use PG1302.
++
  * Flash SD card with Dragino pre-build image which supports Web UI.
--* Install [[Dragino-FWD>>http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20All%20Gateway%20models/PG1302/#H5.2.2.A0Selecttheappropriatedeviceversiontodownload:]] in existing RPi OS.
++* Install Lora packet forwarder in existing RPi OS.
--**TinkerBoard2/2S, **
++= **4. Flash with pre-build image** =
--* Install [[Dragino-FWD>>http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20All%20Gateway%20models/PG1302/#H5.2.2.A0Selecttheappropriatedeviceversiontodownload:]] in the existing OS.
++== **4.1 Download the dragino image for RPI** ==
--**Orange Pi PC/PC PLUS.**
--
--* Install [[Dragino-FWD>>http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20All%20Gateway%20models/PG1302/#H5.2.2.A0Selecttheappropriatedeviceversiontodownload:]] in the existing OS.
--
--
--
--= 4. Flash with pre-build image =
--
--== 4.1 Download the dragino image for RPI ==
--
--
  (((
  Download PG1302_for_Rpi4_64_with_webui from: [[https:~~/~~/www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0>>https://www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0]]
  )))
--== 4.2 Flash the image to an SD card ==
++== **4.2 Flash the image to an SD card** ==
++
  Flash the image to the SD card:
  [[image:1651744119133-233.png||height="373" width="621"]]
@@ -155,9 +155,10 @@
  (% style="color:red" %)**Note: Download the flash tool following this link：**[[https:~~/~~/www.balena.io/etcher/>>https://www.balena.io/etcher/]]
--== 4.3 Access the Linux console ==
++== **4.3 Access the Linux console** ==
++
  (((
  Connect the RPI Ethernet port to your router,  RPi will obtain an IP address from your router. In the router's management portal, you should be able to find what IP address the router has assigned to the RPI. You can use this IP to connect the WEB UI or SSH access of RPI. Make sure your PC and the RPI is in the same network, then use a SSH tool (such as [[putty>>url:http://www.chiark.greenend.org.uk/~~sgtatham/putty/download.html]]) to access it. Below are screenshots
  )))
@@ -194,11 +194,13 @@
  [[image:1651744358515-107.png||height="366" width="581"]]
--== 4.4 Access the WebUI of RPi4 ==
--=== 4.4.1 Home page ===
++== **4.4 Access the WebUI of RPi4** ==
++=== **4.4.1 Home page** ===
++
++
  (((
  Open a browser on the PC and type the RPI ip address **http:~/~/IP_ADDRESS ** (If the IP is assigned by the uplink router)
  You will see the login interface of RPI as shown below.
@@ -215,9 +215,10 @@
  [[image:1651744457761-993.png||height="352" width="621"]]
--=== 4.4.2 LoRa Page ===
++=== **4.4.2 LoRa Page** ===
++
  This page shows the LoRa Radio Settings. There are a set of default frequency band according to LoRaWAN protocol, and user can customize the band* as well.
@@ -234,11 +234,13 @@
  (% style="color:red" %)**Note *: [[See this instruction for how to customize frequency band>>doc:Main.How to customized LoRaWAN frequency band.WebHome]]**
--=== 4.4.3 LoRaWAN Page ===
--==== 4.4.3.1 Semtech UDP ====
++=== **4.4.3 LoRaWAN Page** ===
++==== **4.4.3.1 Semtech UDP** ====
++
++
  [[image:1651744767914-283.png||height="352" width="621"]]
@@ -245,9 +245,10 @@
  (% style="color:red" %)**Note *: [[See this instruction for how to configure TTN>>doc:Main.Notes for TTN.WebHome]].**
--==== 4.4.3.2 Basic Station ====
++==== **4.4.3.2 Basic Station** ====
++
  [[image:1651744890629-683.png||height="380" width="621"]]
@@ -254,11 +254,13 @@
  (% style="color:red" %)**Note *: [[See this instruction for how to configure AWS-loT-Core>>doc:Main.AWS IoT Core for LoRaWAN.WebHome]].**
--=== 4.4.4 LogRead ===
--==== 4.4.4.1 LoRa Log ====
++=== **4.4.4 LogRead** ===
++==== **4.4.4.1 LoRa Log** ====
++
++
  [[image:1651744955955-452.png||height="571" width="621"]]
@@ -265,60 +265,38 @@
  Show the frequency for LoRa Radio and traffics.
--==== 4.4.4.2 System Log ====
++==== **4.4.4.2 System Log** ====
++
  Show system log.
++
  [[image:1651745003470-264.png||height="477" width="621"]]
--==== 4.4.4.3 Record Log ====
++==== **4.4.4.3 Record Log** ====
++
  **Record the system log.**
++
  [[image:1651745069814-662.png||height="144" width="621"]]
--= 5. Install stand-alone LoRa Packet Forwarder =
--== 5.1 Choose the right installation package for your OS ==
++= **5. Install stand-alone LoRa Packet Forwarder** =
--(((
--**draginofwd-32bit (RPI, Orange PI)**
++== **5.1 OS requirement** ==
--**Download URL:** https:~/~/www.dragino.com/downloads/downloads/LoRa_Gateway/PG1302/software/draginofwd-32bit.deb
--**Linux Command:** wget https:~/~/www.dragino.com/downloads/downloads/LoRa_Gateway/PG1302/software/draginofwd-32bit.deb && dpkg -i draginofwd-32bit.deb
--
--
--**dragino-64bit (RPI, Orange PI)**
--
--**Download URL: **https:~/~/www.dragino.com/downloads/downloads/LoRa_Gateway/PG1302/software/draginofwd-64bit.deb
--)))
--
--**Linux Command: **wget https:~/~/www.dragino.com/downloads/downloads/LoRa_Gateway/PG1302/software/draginofwd-64bit.deb && dpkg -i draginofwd-64bit.deb
--
--
--**dragino-tiker-32bit (Tinker Board)**
--
--**Download URL: **https:~/~/www.dragino.com/downloads/downloads/LoRa_Gateway/PG1302/software/draginofwd-tinker-32bit.deb
--
--**Linux Command: **wget https:~/~/www.dragino.com/downloads/downloads/LoRa_Gateway/PG1302/software/draginofwd-tinker-32bit.deb && dpkg -i draginofwd-tinker-32bit.deb
--
--
--**Install details:**
--
--[[image:image-20220928181226-1.png||height="218" width="1100"]]
--
--
  RPI in this example is RPI model 4B with fresh Raspbian OS install.
  (% class="box" %)
  (((
--**~        pi@raspberrypi:~~$ cat /etc/os-release
++        pi@raspberrypi:~~$ cat /etc/os-release
          PRETTY_NAME="Raspbian GNU/Linux 8 (jessie)"
          NAME="Raspbian GNU/Linux"
          VERSION_ID="8"
@@ -327,31 +327,16 @@
          ID_LIKE=debian
          HOME_URL="http:~/~/www.raspbian.org/"
          SUPPORT_URL="http:~/~/www.raspbian.org/RaspbianForums"
--        BUG_REPORT_URL="http:~/~/www.raspbian.org/RaspbianBugs"**
++        BUG_REPORT_URL="http:~/~/www.raspbian.org/RaspbianBugs"
  )))
--== 5.2 Select the mode of connection to the server ==
++== **5.2 Get Gateway ID in Raspberry and input this in TTN v3** ==
--The Dragino LoRa Packet Forware supports the Semtech UDP and Basic Station mode.
--The User can choose one of the methods as the connection mode.
--
--
--**~1. Semtech UDP Mode  ~-~-> 5.2.1**
--
--**2. Basic Station Mode   ~-~-> 5.2.2**
--
--
--=== 5.2.1 Semtech UDP Mode ===
--
--
--==== **a). Get a gateway EUI from the device ETH MAC.** ====
--
--
  In RPI, run the below command to get a Gateway ID
  (% class="box infomessage" %)
@@ -366,10 +366,6 @@
  (((
  We got the ether (eth0 MAC) address is b8:27:eb:49:62:bc). Add ffff at the end and remove “:” to get the gateway ID: b827ebxxxxbcffff.  Input this to TTN v3. Make sure to select legacy packet forwarder.
--
--
--==== **b). Input this Gateway EUI to the TTN-Stack** ====
--
  )))
  )))
@@ -379,95 +379,100 @@
  [[image:1651745306744-481.png||height="478" width="621"]]
++After set up, the status should show not connected as below:
--==== **c). After Register, the status should show not connected as below:** ====
--
--
  [[image:1651745366987-458.png||height="363" width="621"]]
--==== **d). Enable SPI and I2C on your device** ====
++=== **5.2.1 Download and install LoRaWAN packet forwarder** ===
--**the below example is using Raspberry 4B.**
++Enable SPI and I2C first:
++a)  SPI needs to be enabled on the Raspberry Pi
  Run  (% style="background-color:yellow" %) **sudo raspi-config**(%%) to open the config window
  [[image:1651745476754-240.png||height="234" width="629"]]
--
  [[image:image-20220505181135-1.png]]
--
  [[image:image-20220505181135-2.png||height="229" width="622"]]
--==== **e). Access the root account:** ====
++In RPI, Fist: Enter the root account:
  (((
  [[image:1651745583363-614.png||height="151" width="732"]]
--
  )))
--==== **f). Modify the configuration of FWD** ====
++Select the appropriate device version to download
++
  (((
--After installation, user can find the configuration file in** (% style="color:#0000ff" %)/etc/lora/ (%%)**Replace the gateway ID we got above to the (% style="color:#0000ff" %)**gateway_ID** (%%)in file (% style="color:#0000ff" %)**local_conf.json.**
++draginofwd-32bit
++
++wget https:~/~/www.dragino.com/downloads/downloads/LoRa_Gateway/PG1302/software/draginofwd-32bit.deb && dpkg -i draginofwd-32bit.deb
++
++
++dragino-64bit
  )))
--(((
--The default LoRaWAN server points to localhost, user need to put the correct server address to the server_address field in file (% style="color:#0000ff" %)**local_conf.json**(%%), like below.
++wget https:~/~/www.dragino.com/downloads/downloads/LoRa_Gateway/PG1302/software/draginofwd-64bit.deb && dpkg -i draginofwd-64bit.deb
--the User can find the lora configuration directory in (% style="color:#0000ff" %)**/etc/lora/**(%%) there are the cfg-302 directory and the global_conf.json, and local_conf.json files.
++dragino-tiker-32bit
--/etc/lora/
--├── cfg-302                   ~-~--> global configuration file
--├── devskey                  ~-~--> Database
--├── global_conf.json     ~-~--> Frequency plan for current applications
--└── local_conf.json        ~-~--> Local fwd configuration
++wget https:~/~/www.dragino.com/downloads/downloads/LoRa_Gateway/PG1302/software/draginofwd-tinker-32bit.deb && dpkg -i draginofwd-tinker-32bit.deb
--At default, the users need to change two configurations file: global_conf.json and local_conf.json.
++(((
++
--===== **1.) Configure gateway EUI and server address, port for fwd** =====
++[[image:image-20220928181226-1.png]]
  )))
--[[image:1651745709709-887.png||height="820" width="621"]]
++=== **5.2.2 Config Gateway ID, Frequency Band and Server address** ===
--**Note: Users can find the TTN v3 server address from [[Server Addresses ~| The Things Stack for LoRaWAN (thethingsindustries.com)>>url:https://www.thethingsindustries.com/docs/getting-started/server-addresses/#deployments]]**
++(((
++After installation, user can find the configuration file in** (% style="color:#0000ff" %)/etc/lora/ (%%)**Replace the gateway ID we got above to the (% style="color:#0000ff" %)**gateway_ID** (%%)in file (% style="color:#0000ff" %)**local_conf.json.**
++)))
++(((
++The default LoRaWAN server points to localhost, user need to put the correct server address to the server_address field in file (% style="color:#0000ff" %)**local_conf.json**(%%), like below.
--===== **2). Override the global_conf.json file by selecting the appropriate frequency plan for your region in cfg-302** =====
++
++)))
++[[image:1651745709709-887.png||height="820" width="621"]]
--the default frequency band is US915 in the (% style="color:#0000ff" %)**global_conf.json**(%%) file.
--[[image:1651745838008-820.png||height="650" width="621"]]
++User can find the TTN v3 server address from: [[Server Addresses ~| The Things Stack for LoRaWAN (thethingsindustries.com)>>url:https://www.thethingsindustries.com/docs/getting-started/server-addresses/#deployments]]
++And the default frequency band is US915 in (% style="color:#0000ff" %)**global_conf.json**(%%) file.
--If the user wants to change to other frequency bands, the User can copy the file from(% style="color:#0000ff" %)** /etc/lora/cfg-302**(%%) ** **and put it into** (% style="color:#0000ff" %)/etc/lora/global_conf.json(%%).**
++[[image:1651745838008-820.png||height="650" width="621"]]
--**//eg: cp /etc/lora/cfg-302/EU-global_conf.json /etc/lora/global_conf.json //**
++* If user want to change to other frequency bands, User can copy the file from(% style="color:#0000ff" %)** /etc/lora/cfg-302**(%%) ** **and put it into** (% style="color:#0000ff" %)/etc/lora/global_conf.json(%%).**
++**~     1). Chose your need the name of region frequency.**
--====== **Selecting the appropriate frequency plan for your region in cfg-302.** ======
  [[image:1651745867516-322.png||height="83" width="740"]]
--====== **Override the global_conf.json** ======
++**~  2). Use this command to copy it.**
++
  (% class="box infomessage" %)
  (((
  **cp /etc/lora/cfg-302/EU-global_conf.json /etc/lora/global_conf.json**
@@ -476,20 +476,30 @@
  [[image:1651745984006-868.png||height="87" width="745"]]
--==== (% style="color:inherit; font-family:inherit; font-size:23px" %)**g). Running the Fwd Server**(%%) ====
++* If user wants to change to other LoRaWAN server, modify the (% style="color:#0000ff" %)**global_conf.json**(%%) file.
++
++=== **5.2.3 Check result** ===
++
++
  (((
--Run the below command to restart the dragino_fwd:
++Run below command to restart the dragino_fwd:
  )))
  (((
  (% class="box infomessage" %)
  (((
++**sudo systemctl stop draginofwd**
++)))
++
++(% class="box infomessage" %)
++(((
  **sudo systemctl start draginofwd**
  )))
  )))
++
  (((
  debug check the ruing status of fwd:
  )))
@@ -504,13 +504,15 @@
  [[image:1651746045057-414.png||height="193" width="729"]]
--Wait for a few minutes, the gateway will be online/active on the TTN-Stack.
++The dragino_fwd will start with the new gateway ID and TTN v3 should show the connection ok:
++
++
  [[image:1651746078253-168.png||height="372" width="621"]]
--Get the draginofwd real-time running log:
++We can check dragino_fwd running states in RPi by running:
  (% class="box infomessage" %)
  (((
@@ -526,8 +526,10 @@
  [[image:1651746139304-966.png||height="326" width="621"]]
--==== **h). Commands to handle service** ====
++=== **5.2.4 Commands to handle service** ===
++
++
  * (% style="color:#0000ff" %)**Stop** (%%)dragino_fwd service:  sudo systemctl stop draginofwd
  * (% style="color:#0000ff" %)**Disable**(%%) dragino_fwd auto run after boot: sudo systemctl disable draginofwd
  * (% style="color:#0000ff" %)**Start** (%%)dragino_fwd :  sudo systemctl start draginofwd
@@ -536,140 +536,9 @@
--=== 5.2.2 Basic Station Mode. ===
++= **6. Order Info** =
--==== **a). Get a gateway EUI from the device ETH MAC.** ====
--
--
--In RPI, run the below command to get a Gateway EUI
--
--(% class="box infomessage" %)
--(((
--**~   ifconfig eth0**
--)))
--
--[[image:1651745210205-512.png||height="130" width="621"]]
--
--
--(((
--(((
--We got the ether (eth0 MAC) address is b8:27:eb:49:62:bc). Add ffff at the end and remove “:” to get the gateway ID: b827ebxxxxbcffff.  Input this to TTN v3. Make sure to select legacy packet forwarder.
--)))
--)))
--
--
--
--==== **b). Register the gateway with the Basic Station Mode on the TTN-Stack** ====
--
--
--[[image:image-20230329164417-5.png]]
--
--
--
--==== **c). Download the gateway API keys, and then upload them to the gateway.** ====
--
--
--[[image:image-20230329164704-6.png]]
--
--
--==== **d). The status Shows disconnect.** ====
--
--
--[[image:image-20230329165619-7.png||height="568" width="948"]]
--
--
--==== **e.) Uploda API keys into the gateway** ====
--
--
--the User can find the Basic Station configuration directory in (% style="color:#0000ff" %)**/etc/station/**(%%) there is the station.conf files, and ttnstack directory.
--
--//**directory tree:**//
--
--///etc/station/
--├── station.conf
--└── ttnstack              ~-~--> ** ttnstack configuration file directory**
--    ├── cups.trust       ~-~-->  ttnstack auth file
--    ├── cups.uri          ~-~-->  ttnstack server URI file
--    └── station.conf   ~-~-~-~-> backup configuration file//
--
--
--
--**and then upload the downloaded keys to this directory((% style="color:#0000ff" %)/etc/station/(%%))**
--
--eg:
--
--/etc/station/
--├── cups.key           ~-~--> uploaded by you
--├── lns.key              ~-~--> uploaded by you
--├── station.conf
--
--
--==== **f). Configure gateway EUI and server address** ====
--
--
--[[image:image-20230329195650-10.png]]
--
--
--After the user enters the correct parameters, the server will be run automatically
--
--
--Tree Directory:
--
--/etc/station/
--├── cups.key
--├── cups.trust
--├── cups.uri
--├── lns.key
--├── start-configure.sh
--├── station.conf
--└── ttnstack
--    ├── cups.trust
--    ├── cups.uri
--    └── station.conf
--
--
--==== **g). Check station running log** ====
--
--
--tail -f /var/log/station.log
--
--
--[[image:image-20230329201624-11.png]]
--
--
--= 6. Trouble Shooting =
--
--== 6.1 Failed to start the concentrator how to debug ==
--
--
--When the problem "failed to start the concentrator" occurs, the user needs to check whether the I2C and SPI are enabled,
--
--Users can enter the following command to check whether I2C is detected, and the detection of **"60"** is correct.
--
--(% class="box infomessage" %)
--(((
--**i2cdetect -y 1**
--)))
--
--[[image:image-20230518091900-1.png]]
--
--
--Check whether the SPI path of the configuration file is correct,
--
--(% class="box infomessage" %)
--(((
--**cat /etc/lora/global_conf.json **
--)))
--
--(% class="wikigeneratedid" %)
--[[image:image-20230518092732-2.png||height="378" width="691"]]
--
--
--
--= 7. Order Info =
--
--
  Part Number:  (% style="color:#0000ff" %)**PG1302-XX**   (%%) Or  Part Number:  (% style="color:#0000ff" %)**PG1302-PI-XX   **(%%)(Include RPi converter board for RPI 3/4)
  **~     (% style="color:#0000ff" %)XX:(%%)**
@@ -680,21 +680,25 @@
--= 8. Packing Info =
++= **7. Packing Info** =
--
  (((
++
++
  **PG1302 Package Includes**:
  )))
  (((
++(((
  * PG1302 x 1
  * LoRa Antenna x 1
  )))
++)))
++(((
++
--(((
  **PG1302-PI Package Includes**:
  )))
@@ -704,7 +704,6 @@
  * Screws to hole converter PCB on RPI.
--
  **PG1302-PI Dimension and weight: **
  * Device Size: 18 x 8 x 4 cm
@@ -712,13 +712,22 @@
--= 9. Support =
++(((
++= **8. Support** =
  (((
--If you are experiencing issues and can't solve, you can send mail to [[support@dragino.com>>mailto:support@dragino.com]].
++If you are experiencing issues and can't solve, you can send mail to
  )))
  (((
++[[support@dragino.com>>mailto:support@dragino.com]]
++)))
++
++(((
  With your question as detail as possible. We will reply and help you in the shortest.
++
++
++
  )))
++)))

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Changes for page PG1302 -- LoRaWAN Concentrator User Manual

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