Changes for page LG308N -- LoRaWAN Gateway User Manual
Last modified by Kilight Cao on 2025/02/07 08:57
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... ... @@ -104,11 +104,9 @@ 104 104 * Worldwide LTE,UMTS/HSPA+ and GSM/GPRS/EDGE coverage 105 105 * MIMO technology meets demands for data rate and link reliability in modem wireless communication systems 106 106 107 - 108 - 109 - 110 110 == 1.3 Features == 111 111 109 + 112 112 * Open Source Linux system 113 113 * Managed by Web GUI, SSH via LAN or WiFi 114 114 * Emulates 49x LoRa demodulators ... ... @@ -115,9 +115,6 @@ 115 115 * LoRaWAN Gateway 116 116 * 10 programmable parallel demodulation paths 117 117 118 - 119 - 120 - 121 121 == 1.4 Hardware System Structure == 122 122 123 123 [[image:1657011152828-178.png]] ... ... @@ -133,19 +133,17 @@ 133 133 134 134 LG308N has totally 6 LEDs, They are: 135 135 136 -* **Power LED 5" width="16"]] : This (% style="color:red" %)**LED**(%%) will be **solid on** if the device is properly powered.137 -* **HEART LED **[[image:image-20220705165446-2.png||height="1 6" width="15"]] : No function yet.138 -* **SYS LED** [[image:image-20220705165446-3.png||height=" 16" width="15"]] : This** LED** will shows different colors on different state:131 +* **Power LED **[[image:image-20220705165446-1.png||height="21" width="22"]] : This (% style="color:red" %)**LED**(%%) will be **solid on** if the device is properly powered. 132 +* **HEART LED **[[image:image-20220705165446-2.png||height="19" width="18"]] : No function yet. 133 +* **SYS LED** [[image:image-20220705165446-3.png||height="20" width="19"]] : This** LED** will shows different colors on different state: 139 139 ** (% style="color:red" %)**SOLID**(%%): Device is alive with LoRaWAN server connection. 140 140 ** (% style="color:red" %)**BLINKING**(%%)**:** a) Device has internet connection but no LoRaWAN Connection. or b) Device is in booting stage, in this stage, it will (% style="color:red" %)**BLINKING**(%%)** **for several seconds. 141 141 ** (% style="color:red" %)**OFF**(%%): Device doesn't have Internet connection. 142 142 143 -* **ETH LED** 5.png||height="15" width="17"]] [[image:image-20220705165446-5.png||height="15" width="17"]]: These two LEDs show the ETH interfaces connection status.144 -* **WiFi LED** [[image:image-20220705165446-6.png||height="1 5" width="15"]]** **: This LED shows the WiFi interface connection status.138 +* **ETH LED**[[image:image-20220705165446-4.png||height="19" width="22"]] [[image:image-20220705165446-5.png||height="18" width="20"]] : These two LEDs show the ETH interfaces connection status. 139 +* **WiFi LED** [[image:image-20220705165446-6.png||height="19" width="19"]]** **: This LED shows the WiFi interface connection status. 145 145 146 -((( 147 147 (% style="color:red" %)**Note: Above LED indication are for firmware version > LG02_LG08~-~-build-v5.3.1584002217-20200312-1639** 148 -))) 149 149 150 150 151 151 ((( ... ... @@ -156,7 +156,7 @@ 156 156 157 157 = 2. Access and Configure LG308N = 158 158 159 -The LG308N is configured as a WiFi Access Point by default. User can access and configure the L G308N after connecting to its WiFi network, or via its Ethernet port.152 +The LG308N is configured as a WiFi Access Point by default. User can access and configure the DLOS8N after connecting to its WiFi network, or via its Ethernet port. 160 160 161 161 162 162 == 2.1 Find IP address of LG308N == ... ... @@ -255,11 +255,9 @@ 255 255 * **Cellular Mode** 256 256 257 257 258 - 259 - 260 260 == 3.2 Use WAN port to access Internet == 261 261 262 -By default, the L G308N is set to use the WAN port to connect to an upstream network. When you connect the LG308N's WAN port to an upstream router, LG308N will get an IP address from the router and have Internet access via the upstream router. The network status can be checked in the (% style="color:#4f81bd" %)**home page**:253 +By default, the DLOS8N is set to use the WAN port to connect to an upstream network. When you connect the DLOS8N’s WAN port to an upstream router, DLOS8N will get an IP address from the router and have Internet access via the upstream router. The network status can be checked in the (% style="color:#4f81bd" %)**home page**: 263 263 264 264 [[image:1657012559318-672.png]] 265 265 ... ... @@ -373,6 +373,7 @@ 373 373 * Australia 1 (% style="color:red" %)**corresponding Gateway server address: **(% style="color:black" %)au1.cloud.thethings.network 374 374 * Legacy V2 Console : (% style="color:red" %)**TTN v2 shuts down in December 2021** 375 375 367 + 376 376 (% style="color:#4f81bd" %)**Step 4: Create a Gateway** 377 377 378 378 [[image:1652422440891-514.png||height="360" width="747"]] ... ... @@ -626,7 +626,7 @@ 626 626 [[image:1652428648903-878.png||height="266" width="731"]] 627 627 628 628 629 -== 5.4 621 +== 5.4 MQTT Settings == 630 630 631 631 If end nodes works in ABP mode, user can configure LG308N to transfer the data to MQTT broker, 632 632 ... ... @@ -637,9 +637,9 @@ 637 637 638 638 639 639 640 -== 5.5 632 +== 5.5 System == 641 641 642 -=== 5.5.1 634 +=== 5.5.1 System ~-~-> System Overview === 643 643 644 644 Shows the system info: 645 645 ... ... @@ -647,7 +647,7 @@ 647 647 648 648 649 649 650 -=== 5.5.2 642 +=== 5.5.2 System ~-~-> General ( login settings) === 651 651 652 652 [[image:1652428861256-300.png||height="354" width="724"]] 653 653 ... ... @@ -674,7 +674,7 @@ 674 674 675 675 ))) 676 676 677 -=== 5.5.3 669 +=== 5.5.3 System ~-~-> Network === 678 678 679 679 [[image:1652429149053-824.png||height="467" width="725"]] 680 680 ... ... @@ -692,7 +692,7 @@ 692 692 693 693 694 694 695 -=== 5.5.4 687 +=== 5.5.4 System ~-~-> WiFi === 696 696 697 697 LG308N WiFi Settings. 698 698 ... ... @@ -700,7 +700,7 @@ 700 700 701 701 702 702 703 -=== 5.5.5 695 +=== 5.5.5 System ~-~-> Cellular === 704 704 705 705 While use the cellular as Backup WAN, device will use Cellular for internet connection while WAN port or WiFi is not valid and switch back to WAN port or WiFi after they recover. 706 706 ... ... @@ -710,13 +710,13 @@ 710 710 711 711 712 712 713 -=== 5.5.6 705 +=== 5.5.6 System ~-~-> Network Status === 714 714 715 715 [[image:1652429486609-208.png||height="415" width="728"]] 716 716 717 717 718 718 719 -=== 5.5.7 711 +=== 5.5.7 System ~-~-> Remote Mgnt & Auto Provision === 720 720 721 721 Auto Provision is the feature for batch configure and remote management. It can be used in below two cases: 722 722 ... ... @@ -741,7 +741,7 @@ 741 741 742 742 743 743 744 -=== 5.5.8 736 +=== 5.5.8 System ~-~-> Firmware Upgrade === 745 745 746 746 We keep improving the DLOS8N Linux side firmware for new features and bug fixes. Below are the links for reference. 747 747 ... ... @@ -765,7 +765,6 @@ 765 765 766 766 [[image:1652429711145-862.png||height="270" width="737"]] 767 767 768 - 769 769 Select the required image and click **Flash Image.** The image will be uploaded to the device, and then click **Process Update** to upgrade. 770 770 771 771 (% style="color:red" %)**NOTE**: (% style="color:black" %)You normally need to **//uncheck//** the **Preserve Settings** checkbox when doing an upgrade to ensure that there is no conflict between the old settings and the new firmware. The new firmware will start up with its default settings. ... ... @@ -780,22 +780,18 @@ 780 780 781 781 (% style="color:#4f81bd" %)**//root@OpenWrt:~~# /sbin/sysupgrade –n /var/Your_Image//** 782 782 783 - 784 784 (% style="color:red" %)**NOTE**(%%) : it is important to transfer the image in the /var directory, otherwise it may exceed the available flash size. 785 785 786 786 777 +=== 5.5.9 System ~-~-> Reboot/Reset === 787 787 788 -=== 5.5.9 System ~-~-> Reboot/Reset === 789 - 790 790 [[image:1652430197132-330.png||height="256" width="724"]] 791 791 792 792 ((( 793 793 794 - 795 - 796 796 ))) 797 797 798 -=== 5.5.10 785 +=== 5.5.10 System ~-~-> Package Maintain === 799 799 800 800 [[image:1652430243826-126.png||height="289" width="723"]] 801 801 ... ... @@ -802,45 +802,52 @@ 802 802 Place to show what package has installed and possible to upgrade packages. 803 803 804 804 792 +== 5.6 LogRead == 805 805 806 -== 5.6 794 +=== 5.6.1 LogRead ~-~-> LoRa Log === 807 807 808 -=== 5.6.1 LogRead ~-~-> LoRa Log === 809 809 810 810 Show the frequency for LoRa Radio and traffics. 811 811 812 -[[image: 1657069890320-513.png]]799 +[[image:image-20220615204306-1.png||height="575" width="733"]] 813 813 814 814 802 +Show the IoT Server Connection State and FWD State 815 815 804 +[[image:image-20220616083933-1.png||height="556" width="729"]] 816 816 817 - ===5.6.2LogRead~-~->SystemLog===806 +DLOS8 can view GPS location in the Logread FWD State 818 818 819 -Show the system log 820 820 821 - [[image:1657069922599-794.png]]809 +Show the Error logs, RxTxJson lorawan packages, and PULL State 822 822 811 +[[image:image-20220615205416-6.png||height="442" width="884"]] 823 823 824 824 825 -= 6. Morefeatures=814 +=== 5.6.2 LogRead ~-~-> System Log === 826 826 827 - == 6.1 Moreinstructions==816 +Show the system log 828 828 829 -[[ LoRaWAN Gateway Instruction>>doc:Main.WebHome]](LoRaWAN Gateway)818 +[[image:1652430369760-511.png||height="373" width="730"]] 830 830 820 += 6. More features = 831 831 822 +== 6.1 More instructions == 832 832 833 - = 7.LinuxSystem=824 +[[LoRaWAN Gateway Instruction>>doc:Main.WebHome]](LoRaWAN Gateway) 834 834 835 -The LG308N is based on the OpenWrt Linux system. It is open source, and users are free to configure and modify the Linux settings. 836 836 827 += 7. Linux System = 837 837 838 - ==7.1SSHAccessfor Linuxconsole==829 +The DLOS8N is based on the OpenWrt Linux system. It is open source, and users are free to configure and modify the Linux settings. 839 839 840 -User can access the Linux console via the SSH protocol. Make sure your PC and the LG308N are connected to the same network, then use a SSH tool (such as [[putty>>url:http://www.chiark.greenend.org.uk/~~sgtatham/putty/download.html]] in Windows) to access it. 841 841 842 - IPaddress:IPaddressof LG308N832 +== 7.1 SSH Access for Linux console == 843 843 834 +User can access the Linux console via the SSH protocol. Make sure your PC and the DLOS8N are connected to the same network, then use a SSH tool (such as [[putty>>url:http://www.chiark.greenend.org.uk/~~sgtatham/putty/download.html]] in Windows) to access it. 835 + 836 +IP address: IP address of DLOS8N 837 + 844 844 Port: 22 (via WiFi AP mode) or 2222 (via WAN Interface) 845 845 846 846 User Name: (% style="color:green" %)**root** ... ... @@ -847,22 +847,19 @@ 847 847 848 848 Password: (% style="color:green" %)**dragino** (% style="color:black" %)(default) 849 849 850 - 851 851 After logging in, you will be in the Linux console and can enter commands as shown below. 852 852 853 853 [[image:1652431588565-830.png]] 854 854 855 - 856 856 The “(% class="mark" %)**logread -f**(%%)” command can be used to debug how system runs. 857 857 858 -[[image:165 7070133275-283.png]]850 +[[image:1652431609193-637.png||height="214" width="732"]] 859 859 860 860 853 +== 7.2 Edit and Transfer files == 861 861 862 -== 7.2 Edit and Transfer files == 863 - 864 864 ((( 865 -The L G308N supports the (% style="color:green" %)**SCP protocol** (% style="color:black" %)and has a built-in (% style="color:green" %)**SFTP server**. (% style="color:black" %)There are many ways to edit and transfer files using these protocols.856 +The DLOS8N supports the (% style="color:green" %)**SCP protocol** (% style="color:black" %)and has a built-in (% style="color:green" %)**SFTP server**. (% style="color:black" %)There are many ways to edit and transfer files using these protocols. 866 866 ))) 867 867 868 868 ((( ... ... @@ -870,7 +870,7 @@ 870 870 ))) 871 871 872 872 ((( 873 -After establishing access via WinSCP to the device, you can use an FTP style window to drag / drop files to the L G308N, or edit the files directly in the windows.864 +After establishing access via WinSCP to the device, you can use an FTP style window to drag / drop files to the DLOS8N, or edit the files directly in the windows. 874 874 ))) 875 875 876 876 ((( ... ... @@ -880,25 +880,25 @@ 880 880 [[image:1652431650755-450.png]] 881 881 882 882 883 -== 7.3 874 +== 7.3 File System == 884 884 885 885 ((( 877 +The DLOS8N has a 16MB flash and a 64MB RAM. The /var and /tmp directories are in the RAM, so contents stored in /tmp and /var will be erased after rebooting the device. Other directories are in the flash and will remain after reboot. 878 +))) 879 + 886 886 ((( 887 -The L G308Nhasa 16MB flashanda 64MBRAM.The/var and /tmp directoryarein theRAM, contentsstoredin/tmpand /varwill be erased afterreboot the device. Other directoriesarein the flashand will keep after reboot.881 +The Linux system uses around 8MB ~~10MB flash size which means there is not much room for user to store data in the DLOS8N flash. 888 888 ))) 889 889 890 - 891 891 ((( 892 - The Linux system use around8MB ~~10MB flash size which meansthere is not much room for userto store data intheLG308N flash. User can use an external USB flash to extend the size for storage.885 +You can use an external USB flash memory device to extend the size of flash memory for storage. 893 893 ))) 894 -))) 895 895 896 896 889 +== 7.4 Package maintenance system == 897 897 898 - ==7.4Package maintenance system==891 +DLOS8N uses the OpenWrt [[**OPKG package maintenance system**>>https://oldwiki.archive.openwrt.org/doc/techref/opkg]]. There are more than 3000+ packages available in our package server for users to install for their applications. For example, if you want to add the **//iperf //** tool, you can install the related packages and configure DLOS8N to use **//iperf //**. 899 899 900 -LG308N uses the OpenWrt [[**OPKG package maintenance system**>>https://oldwiki.archive.openwrt.org/doc/techref/opkg]]. There are more than 3000+ packages available in our package server for users to install for their applications. For example, if you want to add the **//iperf //** tool, you can install the related packages and configure DLOS8N to use **//iperf //**. 901 - 902 902 ((( 903 903 Below are some example **//opkg //** commands. For more information please refer to the [[OPKG package maintain system>>https://oldwiki.archive.openwrt.org/doc/techref/opkg]]** **([[https:~~/~~/oldwiki.archive.openwrt.org/doc/techref/opkg>>https://oldwiki.archive.openwrt.org/doc/techref/opkg]]) 904 904 ))) ... ... @@ -948,19 +948,15 @@ 948 948 949 949 ((( 950 950 (% style="background-color:#dcdcdc" %)//Configuring iperf.// 951 - 952 - 953 - 954 954 ))) 955 955 956 -= 8. 944 += 8. Upgrade Linux Firmware = 957 957 958 958 947 += 9. FAQ = 959 959 960 -= 9. FAQ=949 +== 9.1 How can I configure for a customized frequency band? == 961 961 962 -== 9.1 How can I configure for a customized frequency band? == 963 - 964 964 ((( 965 965 See below link for how to customize frequency band: **[[How to customized LoRaWAN frequency band>>doc:Main.How to customized LoRaWAN frequency band.WebHome]]** 966 966 ))) ... ... @@ -969,15 +969,15 @@ 969 969 970 970 ))) 971 971 972 -== 9.2 959 +== 9.2 Can I connect DLOS8N to LORIOT? == 973 973 974 974 Yes, the set up instruction is here: **[[Notes for LORIOT>>doc:Main.Notes for LORIOT.WebHome]]** 975 975 976 976 977 -== 9.3 964 +== 9.3 Can I make my own firmware for the gateway, where can I find the source code? == 978 978 979 979 ((( 980 -Yes, You can make your own firmware for the L G308N for branding purposes or to add customized applications.967 +Yes, You can make your own firmware for the DLOS8N for branding purposes or to add customized applications. 981 981 ))) 982 982 983 983 ((( ... ... @@ -985,37 +985,11 @@ 985 985 ))) 986 986 987 987 988 -== 9.4 975 +== 9.4 Can I use 868Mhz version for 915Mhz bands? == 989 989 990 990 It is possible but the distance will be very short, you can select US915 frequency band in 868Mhz version hardware. It will work but you will see the performance is greatly decreased because the 868Mhz version has an RF filter for band 863~~870Mhz, all other frequencies will have high attenuation. 991 991 992 992 993 -== 9.5 Can I control the LEDs? == 994 - 995 -Except the PWR LED is controlled by +3v3 power directly. All other LEDs can be controlled by developer. 996 - 997 - 998 -(% style="color:blue" %)**Control Globe LED:** 999 - 1000 -ON: echo 1 > /sys/class/leds/dragino2\:red\:wlan/brightness 1001 - 1002 -OFF: echo 0 > /sys/class/leds/dragino2\:red\:wlan/brightness 1003 - 1004 - 1005 -(% style="color:blue" %)**Control HEART LED:** 1006 - 1007 -First export the gpio27 and set to out 1008 - 1009 -echo 27 > /sys/class/gpio/export 1010 - 1011 -echo out > /sys/class/gpio/gpio27/direction 1012 - 1013 -ON: echo 0 > /sys/class/gpio/gpio27/value 1014 - 1015 -OFF: echo 1 > /sys/class/gpio/gpio27/value 1016 - 1017 - 1018 - 1019 1019 = 10. Trouble Shooting = 1020 1020 1021 1021 == 10.1 I get kernel error when install new package, how to fix? == ... ... @@ -1041,9 +1041,8 @@ 1041 1041 (% style="background-color:yellow" %)Opkg install kmod-dragino2-si3217x_3.10.49+0.2-1_ar71xx.ipk –force-depends 1042 1042 1043 1043 1005 +== 10.2 How to recover the DLOS8N if the firmware crashes == 1044 1044 1045 -== 10.2 How to recover the LG308N if the firmware crashes == 1046 - 1047 1047 ((( 1048 1048 Please follow this instruction to recover your gateway: **[[Recover Gateway>>doc:Main.How to Recover Gateway if can't access it.WebHome]]** 1049 1049 ))) ... ... @@ -1052,12 +1052,12 @@ 1052 1052 1053 1053 ))) 1054 1054 1055 -== 10.3 I configured L G308N for WiFi access and lost its IP. What to do now? ==1015 +== 10.3 I configured DLOS8N for WiFi access and lost its IP. What to do now? == 1056 1056 1057 -[[image:165 7071488240-907.png]]1017 +[[image:1652435238615-272.png||height="247" width="727"]] 1058 1058 1059 1059 ((( 1060 -The L G308N has a fall-back IP address on its WAN port. This IP is always enabled so you can use the fall-back IP to access LG308N no matter what the WiFi IP is. The fall back IP is useful for connecting and debug the unit.1020 +The DLOS8N has a fall-back IP address on its WAN port. This IP is always enabled so you can use the fall-back IP to access DLOS8N no matter what the WiFi IP is. The fall back IP is useful for connecting and debug the unit. 1061 1061 ))) 1062 1062 1063 1063 (% style="color:red" %)Note: fallback IP can be disabled in the WAN and DHCP page. ... ... @@ -1065,37 +1065,37 @@ 1065 1065 1066 1066 Steps to connect via fall back IP: 1067 1067 1068 -~1. Connect PC 's Ethernet port to LG01'sLAN port1028 +~1. Connect PC’s Ethernet port to DLOS8N’s WAN port 1069 1069 1070 -2. Configure PC's Ethernet port has IP: 172.31.255.253 and Netmask: 255.255.255.252 1030 +2. Configure PC’s Ethernet port has 1031 + IP: 172.31.255.253 and 1032 + Netmask: 255.255.255.252 1071 1071 1072 1072 As below photo: 1073 1073 1074 1074 [[image:1652435256286-879.png]] 1075 1075 1076 -3. In PC, use 172.31.255.254 to access L G308N via Web or Console.1038 +3. In the PC, use IP address 172.31.255.254 to access the DLOS8N via Web or Console. 1077 1077 1040 +Please note the latest firmware uses port 8000 for http and 2222 for ssh access. 1078 1078 1079 1079 1080 1080 = 11. Order Info = 1081 1081 1045 +(% style="color:#4f81bd" %) **//PART: DLOS8N-XXX-YYY//: ** 1082 1082 1083 -(% style="color:#4f81bd" %)**// PART: DLOS8N-XXX-YYY//: **1047 +(% style="color:#4f81bd" %) **//XXX: Frequency Band//** 1084 1084 1085 -(% style="color:#4f81bd" %)**//XXX: Frequency Band//** 1049 +* (% style="color:#4f81bd" %)** 868**(% style="color:black" %) : valid frequency: 863Mhz ~~ 870Mhz. for bands EU868, RU864, IN865 or KZ865. 1050 +* (% style="color:#4f81bd" %)** 915**(% style="color:black" %): valid frequency: 902Mhz ~~ 928Mhz. for bands US915, AU915, AS923 or KR920 1086 1086 1087 -* (% style="color:red" %)** 868**(% style="color:black" %) : valid frequency: 863Mhz ~~ 870Mhz. for bands EU868, RU864, IN865 or KZ865. 1088 -* (% style="color:red" %)** 915**(% style="color:black" %): valid frequency: 902Mhz ~~ 928Mhz. for bands US915, AU915, AS923 or KR920 1052 +(% style="color:#4f81bd" %) **//YYY: 4G Cellular Option//** 1089 1089 1090 -(% style="color:#4f81bd" %) 1054 +* (% style="color:#4f81bd" %)** E**(% style="color:black" %): EMEA, Korea, Thailand, India. 1055 +* (% style="color:#4f81bd" %)** A**(% style="color:black" %): North America/ Rogers/AT&T/T-Mobile. 1056 +* (% style="color:#4f81bd" %)** AU**(% style="color:black" %): Latin America, New Zeland, Taiwan 1057 +* (% style="color:#4f81bd" %)** J**(% style="color:black" %): Japan, DOCOMO/SoftBank/ KDDI 1091 1091 1092 -(% style="color:#4f81bd" %)**//YYY: 4G Cellular Option//** 1093 - 1094 -* (% style="color:red" %)** EC25-E**(% style="color:black" %): EMEA, Korea, Thailand, India. 1095 -* (% style="color:red" %)** EC25-A**(% style="color:black" %): North America/ Rogers/AT&T/T-Mobile. 1096 -* (% style="color:red" %)** EC25-AU**(% style="color:black" %): Latin America, New Zeland, Taiwan 1097 -* (% style="color:red" %)** EC25-J**(% style="color:black" %): Japan, DOCOMO/SoftBank/ KDDI 1098 - 1099 1099 More info about valid bands, please see [[EC25-E product page>>url:https://www.quectel.com/product/ec25.htm]]. 1100 1100 1101 1101 ... ... @@ -1102,19 +1102,14 @@ 1102 1102 = 12. Packing Info = 1103 1103 1104 1104 ((( 1105 - 1106 - 1107 1107 **Package Includes**: 1066 +))) 1108 1108 1109 -* LG308N or LG08 LoRa Gateway x 1 1110 -* Stick Antenna for LoRa RF part. Frequency is one of 433 or 868 or 915Mhz depends the model ordered 1111 -* Power Adapter: EU/AU/US type power adapter depends on country to be used 1068 +* DLOS8N LoRaWAN Gateway x 1 1069 +* Stick Antenna for LoRa RF part. Frequency is one of 470 or 868 or 915Mhz depends the model ordered 1112 1112 * Packaging with environmental protection paper box 1113 -))) 1114 1114 1115 1115 ((( 1116 - 1117 - 1118 1118 **Dimension and weight**: 1119 1119 ))) 1120 1120 ... ... @@ -1123,8 +1123,6 @@ 1123 1123 * Package Size: 49 x 19.5 x x 19Package Size: 4912 cm 1124 1124 * Weight: 2.5kg 1125 1125 1126 - 1127 - 1128 1128 = 13. Support = 1129 1129 1130 1130 * Try to see if your questions already answered in the [[wiki>>doc:Main.WebHome]].
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