Changes for page DLOS8N - Outdoor LoRaWAN Gateway User Manual
Last modified by Kilight Cao on 2025/06/05 09:47
Summary
-
Page properties (1 modified, 0 added, 0 removed)
Details
- Page properties
-
- Content
-
... ... @@ -20,6 +20,7 @@ 20 20 21 21 = 1. Introduction = 22 22 23 + 23 23 == 1.1 What is the DLOS8N == 24 24 25 25 ... ... @@ -48,6 +48,7 @@ 48 48 [[image:1652411526195-923.png||height="494" width="731"]] 49 49 50 50 52 + 51 51 == 1.2 Specifications == 52 52 53 53 ... ... @@ -128,7 +128,6 @@ 128 128 * Managed by Web GUI, SSH via LAN or WiFi 129 129 * Support Semtech UDP packet forwarder 130 130 * Support LoRaWAN Station Connection 131 -* Support MQTTS 132 132 * Cellular Failover conntection(option) 133 133 * Direct Communication to LoRaWAN ABP Node 134 134 * LoRaWAN packet filtering ... ... @@ -141,7 +141,6 @@ 141 141 * IP65 142 142 * Lighting Protection 143 143 * Power Consumption:12v ,300-500mA 144 -* Operating Temperature: -20~~85°C 145 145 146 146 147 147 ... ... @@ -151,6 +151,7 @@ 151 151 [[image:image-20220907154423-1.png]] 152 152 153 153 154 + 154 154 == 1.5 DLOS8N Applications == 155 155 156 156 ... ... @@ -157,6 +157,7 @@ 157 157 [[image:image-20220916144221-26.png]] 158 158 159 159 161 + 160 160 == 1.6 LED Indicators == 161 161 162 162 ... ... @@ -177,31 +177,16 @@ 177 177 ))) 178 178 * ((( 179 179 (% style="color:red" %)**SOLID RED**: (% style="color:black" %)Device doesn't have Internet connection. 180 - 181 181 183 + 184 + 182 182 183 183 ))) 184 184 ))) 185 185 186 -== 1.7 ButtonInstruction ==189 +== 1.7 WiFi Direction == 187 187 188 188 189 -DLOS8N has a black toggle button, which is: 190 - 191 - 192 -(% style="color:blue" %)**//➢ //Long press 4-5s: **(%%)the gateway will reload the Network and Initialize wifi configuration 193 - 194 - **LED status: ** LED will BLINKING GREEN Until the reload is finished. 195 - 196 - 197 -(% style="color:blue" %)**➢ Long press more than 30s: **(%%)the gateway will restart and restore factory settings. 198 - 199 - **LED status: ** When the user releases the button, the LED will TURN OFF. 200 - 201 - 202 -== 1.8 WiFi Direction == 203 - 204 - 205 205 DLOS8N use directional WiFi Antenna. The best direction is as below: 206 206 207 207 ... ... @@ -208,6 +208,7 @@ 208 208 [[image:1652412859663-161.png||height="341" width="333"]] 209 209 210 210 198 + 211 211 = 2. Access and Configure DLOS8N = 212 212 213 213 ... ... @@ -214,8 +214,10 @@ 214 214 The DLOS8N 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. 215 215 216 216 205 + 217 217 == 2.1 Find IP address of DLOS8N == 218 218 208 + 219 219 === 2.1.1 Connect via WiFi === 220 220 221 221 ... ... @@ -233,6 +233,7 @@ 233 233 ((( 234 234 User can use a PC to connect to this WiFi network. The PC will get an IP address 10.130.1.xxx and the DLOS8N has the default IP (% style="color:green" %)**10.130.1.1** 235 235 226 + 236 236 237 237 ))) 238 238 ... ... @@ -247,6 +247,7 @@ 247 247 Alternatively, connect the DLOS8N Ethernet port to your router and DLOS8N 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 DLOS8N. You can also use this IP to connect. 248 248 ))) 249 249 241 + 250 250 251 251 ))) 252 252 ... ... @@ -259,6 +259,7 @@ 259 259 If the DLOS8N already connect to the router via WiFi, use can use the WiFi IP to connect to DLOS8N. 260 260 261 261 254 + 262 262 === 2.1.4 Connect via Ethernet with fall back ip === 263 263 264 264 ... ... @@ -267,6 +267,7 @@ 267 267 ))) 268 268 269 269 263 + 270 270 == 2.2 Access Configure Web UI == 271 271 272 272 ... ... @@ -293,8 +293,10 @@ 293 293 [[image:1652414287022-223.png]] 294 294 295 295 290 + 296 296 = 3. Typical Network Setup = 297 297 293 + 298 298 == 3.1 Overview == 299 299 300 300 ... ... @@ -319,6 +319,7 @@ 319 319 [[image:image-20220916112129-1.png||height="414" width="887"]] 320 320 321 321 318 + 322 322 == 3.3 Access the Internet as a WiFi Client == 323 323 324 324 ... ... @@ -340,6 +340,7 @@ 340 340 ((( 341 341 In the WiFi Survey Choose the WiFi AP, and input the Passphrase then click Save & Apply to connect. 342 342 340 + 343 343 344 344 ))) 345 345 ... ... @@ -388,6 +388,7 @@ 388 388 (% style="color:red" %)**Note** ***: For DLOS8N which doesn’t have the cellular module, this page will shows Cellular not detected.** 389 389 390 390 389 + 391 391 == 3.5 Check Internet connection == 392 392 393 393 ... ... @@ -396,10 +396,12 @@ 396 396 * GREEN Tick [[image:1652436675869-206.png||height="14" width="15"]] : This interface has Internet connection. 397 397 * Yellow Tick [[image:1652436705761-420.png||height="15" width="15"]] : This interface has IP address but don't use it for internet connection. 398 398 * RED Cross [[image:1652436787176-950.png||height="14" width="15"]] : This interface doesn't connected. 398 +* 399 399 400 400 [[image:image-20220916112620-2.png||height="384" width="872"]](% style="display:none" %) 401 401 402 402 403 + 403 403 = 4. Example: Configure as a LoRaWAN gateway = 404 404 405 405 ... ... @@ -418,6 +418,7 @@ 418 418 TheThingsNetwork v3(TTN v3)[[ LoRaWAN Server>>url:https://www.thethingsnetwork.org/]] ([[www.thethingsnetwork.org>>url:http://www.thethingsnetwork.org/]]) 419 419 420 420 422 + 421 421 == 4.1 Create a gateway in TTN V3 Server == 422 422 423 423 ... ... @@ -468,6 +468,8 @@ 468 468 * Australia 1 (% style="color:red" %)corresponding Gateway server address:** **(% style="color:black" %)au1.cloud.thethings.network 469 469 * Legacy V2 Console : (% style="color:red" %)TTN v2 shuts down in December 2021 470 470 473 + 474 + 471 471 (% style="color:blue" %)**Step 4: Create a Gateway** 472 472 473 473 ... ... @@ -496,6 +496,7 @@ 496 496 [[image:1657089571089-281.png]] 497 497 498 498 503 + 499 499 == 4.2 Configure DLOS8N to connect to TTN v3 == 500 500 501 501 ... ... @@ -529,6 +529,7 @@ 529 529 [[image:1657089753667-298.png]] 530 530 531 531 537 + 532 532 == 4.3 Configure frequency == 533 533 534 534 ... ... @@ -545,6 +545,7 @@ 545 545 [[image:1652422763536-750.png||height="514" width="730"]] 546 546 547 547 554 + 548 548 == 4.4 Add a LoRaWAN End Device == 549 549 550 550 ... ... @@ -652,8 +652,10 @@ 652 652 [[image:1657089884131-489.png]] 653 653 654 654 662 + 655 655 = 5. Web Configure Pages = 656 656 665 + 657 657 == 5.1 Home == 658 658 659 659 ... ... @@ -663,8 +663,10 @@ 663 663 [[image:image-20220916113702-4.png||height="331" width="727"]] 664 664 665 665 675 + 666 666 == 5.2 LoRa Settings == 667 667 678 + 668 668 === 5.2.1 LoRa ~-~-> LoRa === 669 669 670 670 ... ... @@ -693,6 +693,7 @@ 693 693 (% style="color:red" %)**Note *: [[See this instruction for how to customize frequency band>>doc:Main.How to customized LoRaWAN frequency band.WebHome]]** 694 694 695 695 707 + 696 696 === 5.2.2 LoRa ~-~-> ABP Decryption === 697 697 698 698 ... ... @@ -712,8 +712,10 @@ 712 712 [[image:image-20220916114346-7.png||height="363" width="886"]] 713 713 714 714 727 + 715 715 == 5.3 LoRaWAN Settings == 716 716 730 + 717 717 === 5.3.1 LoRaWAN ~-~-> LoRaWAN === 718 718 719 719 ... ... @@ -732,6 +732,7 @@ 732 732 **See:** **[[Filter unwanted LoRaWAN packets>>doc:Main.Filter unwanted LoRaWAN packets.WebHome]]** 733 733 734 734 749 + 735 735 === 5.3.2 LoRaWAN ~-~-> Amazon AWS-IoT === 736 736 737 737 ... ... @@ -741,6 +741,7 @@ 741 741 ((( 742 742 Please see this instruction to know more detail and demo for how to connect to **[[AWS-IoT LoRaWAN Core>>doc:Main.AWS IoT Core for LoRaWAN.WebHome]].** 743 743 759 + 744 744 745 745 ))) 746 746 ... ... @@ -760,6 +760,7 @@ 760 760 [[image:image-20220916115143-9.png||height="314" width="858"]] 761 761 762 762 779 + 763 763 == 5.4 MQTT Settings == 764 764 765 765 ... ... @@ -771,8 +771,10 @@ 771 771 [[image:1657090037148-906.png]] 772 772 773 773 791 + 774 774 == 5.5 System == 775 775 794 + 776 776 === 5.5.1 System ~-~-> System Overview === 777 777 778 778 ... ... @@ -782,6 +782,7 @@ 782 782 [[image:image-20220916133758-10.png||height="611" width="865"]] 783 783 784 784 804 + 785 785 === 5.5.2 System ~-~-> General ( login settings) === 786 786 787 787 ... ... @@ -807,6 +807,7 @@ 807 807 ((( 808 808 (% style="color:#037691" %)**__Port forwarding: __**(%%)Enable/Disable the HTTP and SSH access via WAN interface. 809 809 830 + 810 810 811 811 ))) 812 812 ... ... @@ -827,6 +827,7 @@ 827 827 ((( 828 828 (% style="color:#037691" %)__**WiFi Settings: **__(%%)Setting for DLOS8N WiFi IP when use it as WiFi Client 829 829 851 + 830 830 831 831 ))) 832 832 ... ... @@ -839,6 +839,7 @@ 839 839 [[image:image-20220916134831-13.png||height="426" width="909"]](% style="display:none" %) 840 840 841 841 864 + 842 842 === 5.5.5 System ~-~-> Cellular === 843 843 844 844 ... ... @@ -851,6 +851,7 @@ 851 851 (% style="color:red" %)**Note *: For DLOS8N which doesn't have the cellular module, this page will shows Cellular not detected.** 852 852 853 853 877 + 854 854 === 5.5.6 System ~-~-> Network Status === 855 855 856 856 ... ... @@ -857,6 +857,7 @@ 857 857 [[image:image-20220916135207-15.png||height="630" width="926"]] 858 858 859 859 884 + 860 860 === 5.5.7 System ~-~-> Remote Mgnt & Auto Provision === 861 861 862 862 ... ... @@ -882,6 +882,7 @@ 882 882 [[image:image-20220916140017-16.png||height="619" width="911"]] 883 883 884 884 910 + 885 885 === 5.5.8 System ~-~-> Firmware Upgrade === 886 886 887 887 ... ... @@ -927,6 +927,7 @@ 927 927 (% style="color:red" %)**NOTE**(%%) : it is important to transfer the image in the /var directory, otherwise it may exceed the available flash size. 928 928 929 929 956 + 930 930 === 5.5.9 System ~-~-> Reboot/Reset === 931 931 932 932 ... ... @@ -934,6 +934,8 @@ 934 934 935 935 ((( 936 936 964 + 965 + 937 937 ))) 938 938 939 939 === 5.5.10 System ~-~-> Package Maintain === ... ... @@ -945,8 +945,10 @@ 945 945 Place to show what package has installed and possible to upgrade packages. 946 946 947 947 977 + 948 948 == 5.6 LogRead == 949 949 980 + 950 950 === 5.6.1 LogRead ~-~-> LoRa Log === 951 951 952 952 (% style="display:none" %) (%%) ... ... @@ -957,6 +957,7 @@ 957 957 [[image:image-20220916140549-20.png||height="729" width="877"]] 958 958 959 959 991 + 960 960 === 5.6.2 LogRead ~-~-> System Log === 961 961 962 962 ... ... @@ -966,68 +966,17 @@ 966 966 [[image:image-20220916140732-21.png||height="710" width="872"]] 967 967 968 968 1001 + 969 969 = 6. More features = 970 970 971 -== 6.1 Packet Filtering == 972 972 1005 +== 6.1 More instructions == 973 973 974 -Drop unwanted packets. 975 975 976 -See: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Filter%20unwanted%20LoRaWAN%20packets/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Filter%20unwanted%20LoRaWAN%20packets/]] 977 - 978 - 979 -== 6.2 Remote Access == 980 - 981 - 982 -Remote Access Devices for management. 983 - 984 -Instruction: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Monitor%20%26%20Remote%20Access%20Gateway/?Remote%20Access>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Monitor%20%26%20Remote%20Access%20Gateway/?Remote%20Access]] 985 - 986 - 987 -== 6.3 How to decode ABP LoRaWAN node == 988 - 989 - 990 -Decode ABP: 991 - 992 -[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Communicate%20with%20ABP%20End%20Node%20without%20LoRaWAN%20Network%20Server%20~~-~~--%20LG308/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Communicate%20with%20ABP%20End%20Node%20without%20LoRaWAN%20Network%20Server%20---%20LG308/]] 993 - 994 - 995 -== 6.4 How to set data to MQTT broker == 996 - 997 - 998 -Only support ABP LoRaWAN End Node 999 - 1000 -Instruction: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/MQTT%20Forward%20Instruction/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/MQTT%20Forward%20Instruction/]] 1001 - 1002 - 1003 -== 6.5 How the gateway connects to Chirpstack v3/v4 via gateway-bridge == 1004 - 1005 - 1006 -If the Chirpstack v3 Gateway-bridge is used, the corresponding gateway firmware must be used : 1007 - 1008 -[[Chirpstack-gateway-bridge/Chirpstack-Bridge-V3.14.6-Bridge~~-~~-build-v5.4.1679487778-20230322-2024/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LPS8/Firmware/Release/Chirpstack-gateway-bridge/Chirpstack-Bridge-V3.14.6-Bridge--build-v5.4.1679487778-20230322-2024/]] 1009 - 1010 -Chirpstack v3 via gateway-bridge Instruction: [[https:~~/~~/www.chirpstack.io/gateway-bridge/gateway/dragino/>>url:https://www.chirpstack.io/gateway-bridge/gateway/dragino/]] 1011 - 1012 - 1013 -If the Chirpstack v4 Gateway-bridge is used, the corresponding gateway firmware must be used : 1014 - 1015 -[[Chirpstack-gateway-bridge/Chirpstack-Bridge-V4~~-~~-build-v5.4.1670655072-20221210-1452/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LPS8/Firmware/Release/Chirpstack-gateway-bridge/Chirpstack-Bridge-V4--build-v5.4.1670655072-20221210-1452/]] 1016 - 1017 -Chirpstack v4 via gateway-bridge Instruction: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Notes%20for%20ChirpStack/#H4.A0HowthegatewayconnectstoChirpstackv4viagateway-bridge>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Notes%20for%20ChirpStack/#H4.A0HowthegatewayconnectstoChirpstackv4viagateway-bridge]] 1018 - 1019 - 1020 -(% style="color:red" %)**NOTE***(%%): Different chirpstack versions use different gateway-bridge configurations. 1021 - 1022 -After updating the Chirpstack gateway-bridge firmware, there is no need to re-download and install the Chirpstack gateway-bridge package 1023 - 1024 - 1025 -== 6.6 More instructions == 1026 - 1027 - 1028 1028 [[LoRaWAN Gateway Instruction>>doc:Main.WebHome]](LoRaWAN Gateway) 1029 1029 1030 1030 1011 + 1031 1031 = 7. Linux System = 1032 1032 1033 1033 ... ... @@ -1034,6 +1034,7 @@ 1034 1034 The DLOS8N is based on the OpenWrt Linux system. It is open source, and users are free to configure and modify the Linux settings. 1035 1035 1036 1036 1018 + 1037 1037 == 7.1 SSH Access for Linux console == 1038 1038 1039 1039 ... ... @@ -1057,6 +1057,7 @@ 1057 1057 [[image:1657090508015-884.png]] 1058 1058 1059 1059 1042 + 1060 1060 == 7.2 Edit and Transfer files == 1061 1061 1062 1062 ... ... @@ -1081,6 +1081,7 @@ 1081 1081 [[image:1652431650755-450.png]] 1082 1082 1083 1083 1067 + 1084 1084 == 7.3 File System == 1085 1085 1086 1086 ... ... @@ -1097,6 +1097,7 @@ 1097 1097 ))) 1098 1098 1099 1099 1084 + 1100 1100 == 7.4 Package maintenance system == 1101 1101 1102 1102 ... ... @@ -1154,10 +1154,11 @@ 1154 1154 ((( 1155 1155 (% style="background-color:#dcdcdc" %)//Configuring iperf.// 1156 1156 1142 + 1157 1157 1158 1158 ))) 1159 1159 1160 -= 8. Upgrade Linux Firmware = 1146 += 8. Upgrade Linux Firmware = 1161 1161 1162 1162 1163 1163 We keep improving the DLOS8N Linux side firmware for new features and bug fixes. Below are the links for reference. ... ... @@ -1176,9 +1176,10 @@ 1176 1176 ))) 1177 1177 1178 1178 1179 -== 8.1 Upgrade via Web UI == 1180 1180 1166 +== 8.1 Upgrade via Web UI == 1181 1181 1168 + 1182 1182 ((( 1183 1183 Go to the page: (% style="color:green" %)**Web ~-~-> System ~-~-> Firmware Upgrade** 1184 1184 ))) ... ... @@ -1202,9 +1202,10 @@ 1202 1202 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/LPS8N%20-%20LoRaWAN%20Gateway%20User%20Manual/WebHome/1657158986600-386.png?rev=1.1||alt="1657158986600-386.png"]] 1203 1203 1204 1204 1205 -== 8.2 Upgrade via Linux console == 1206 1206 1193 +== 8.2 Upgrade via Linux console == 1207 1207 1195 + 1208 1208 ((( 1209 1209 SCP the firmware to the system** (% style="color:green" %)/var(%%)** directory and then run 1210 1210 ))) ... ... @@ -1219,17 +1219,13 @@ 1219 1219 ))) 1220 1220 1221 1221 1222 -= 9. OTA System Update = 1223 1223 1211 += 9. FAQ = 1224 1224 1225 -DLOS8N supports system auto update via OTA, please see **[[this URL>>doc:OTA Update.WebHome]]** for the detail of this feature. 1226 1226 1214 +== 9.1 How can I configure for a customized frequency band? == 1227 1227 1228 -= 10. FAQ = 1229 1229 1230 -== 10.1 How can I configure for a customized frequency band? == 1231 - 1232 - 1233 1233 ((( 1234 1234 See below link for how to customize frequency band: **[[How to customized LoRaWAN frequency band>>doc:Main.How to customized LoRaWAN frequency band.WebHome]]** 1235 1235 ))) ... ... @@ -1236,9 +1236,11 @@ 1236 1236 1237 1237 ((( 1238 1238 1223 + 1224 + 1239 1239 ))) 1240 1240 1241 -== 10.2 Can I connect DLOS8N to LORIOT? ==1227 +== 9.2 Can I connect DLOS8N to LORIOT? == 1242 1242 1243 1243 1244 1244 ((( ... ... @@ -1246,9 +1246,10 @@ 1246 1246 ))) 1247 1247 1248 1248 1249 -== 10.3 Can I make my own firmware for the gateway, where can I find the source code? == 1250 1250 1236 +== 9.3 Can I make my own firmware for the gateway, where can I find the source code? == 1251 1251 1238 + 1252 1252 ((( 1253 1253 Yes, You can make your own firmware for the DLOS8N for branding purposes or to add customized applications. 1254 1254 ))) ... ... @@ -1258,17 +1258,20 @@ 1258 1258 ))) 1259 1259 1260 1260 1261 -== 10.4 Can I use 868Mhz version for 915Mhz bands? == 1262 1262 1249 +== 9.4 Can I use 868Mhz version for 915Mhz bands? == 1263 1263 1251 + 1264 1264 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. 1265 1265 1266 1266 1267 -= 11. Trouble Shooting = 1268 1268 1269 -= =11.1I get kernel error when install newpackage,how tofix?==1256 += 10. Trouble Shooting = 1270 1270 1271 1271 1259 +== 10.1 I get kernel error when install new package, how to fix? == 1260 + 1261 + 1272 1272 In some cases, when installing a package with **//opkg//**, it will generate a kernel error such as below due to a mismatch I the kernel ID: 1273 1273 1274 1274 (% style="background-color:yellow" %)root@dragino-16c538:~~# opkg install kmod-dragino2-si3217x_3.10.49+0.2-1_ar71xx.ipk ... ... @@ -1290,9 +1290,10 @@ 1290 1290 (% style="background-color:yellow" %)Opkg install kmod-dragino2-si3217x_3.10.49+0.2-1_ar71xx.ipk –force-depends 1291 1291 1292 1292 1293 -== 11.2 How to recover the DLOS8N if the firmware crashes == 1294 1294 1284 +== 10.2 How to recover the DLOS8N if the firmware crashes == 1295 1295 1286 + 1296 1296 ((( 1297 1297 Please follow this instruction to recover your gateway: **[[Recover Gateway>>doc:Main.How to Recover Gateway if can't access it.WebHome]]** 1298 1298 ))) ... ... @@ -1299,9 +1299,11 @@ 1299 1299 1300 1300 ((( 1301 1301 1293 + 1294 + 1302 1302 ))) 1303 1303 1304 -== 1 1.3 I configured DLOS8N for WiFi access and lost its IP. What to do now? ==1297 +== 10.3 I configured DLOS8N for WiFi access and lost its IP. What to do now? == 1305 1305 1306 1306 1307 1307 [[image:1657090540821-317.png]] ... ... @@ -1347,9 +1347,10 @@ 1347 1347 Please note the latest firmware uses port 8000 for http and 2222 for ssh access. 1348 1348 1349 1349 1350 -= 12. Order Info = 1351 1351 1344 += 11. Order Info = 1352 1352 1346 + 1353 1353 **//PART: (% style="color:blue" %)DLOS8N-XXX-YYY//(%%)** 1354 1354 1355 1355 (% style="color:blue" %)**//XXX~://**(%%)**// Frequency Band//** ... ... @@ -1367,9 +1367,10 @@ 1367 1367 More info about valid bands, please see [[EC25-E product page>>url:https://www.quectel.com/product/ec25.htm]]. 1368 1368 1369 1369 1370 -= 13. Packing Info = 1371 1371 1365 += 12. Packing Info = 1372 1372 1367 + 1373 1373 ((( 1374 1374 **Package Includes**: 1375 1375 ))) ... ... @@ -1390,7 +1390,7 @@ 1390 1390 (% style="display:none" %) (%%) 1391 1391 1392 1392 1393 -= 1 4. Support =1388 += 13. Support = 1394 1394 1395 1395 1396 1396 * Try to see if your questions already answered in the [[wiki>>doc:Main.WebHome]].