Changes for page PG1302 -- LoRaWAN Concentrator User Manual
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... ... @@ -1,11 +1,9 @@ 1 1 (% style="text-align:center" %) 2 -[[image: Main.User Manual for All Gatewaymodels.WebHome@pg1302.jpg||height="391" width="549"]]2 +[[image:image-20220616085956-1.jpeg||height="609" width="609"]] 3 3 4 4 5 5 6 -**PG1302 LoRaWAN Concentrator User Manual** 7 7 8 - 9 9 **Table of Contents:** 10 10 11 11 {{toc/}} ... ... @@ -20,20 +20,23 @@ 20 20 21 21 == 1.1 What is PG1302 LoRaWAN Concentrator? == 22 22 21 + 23 23 ((( 24 -The PG1302 is a multi-channel high 23 +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. 25 25 ))) 26 26 27 27 ((( 28 -The PG1302 is design to use with Raspberry Pi to build smart metering fixed networks and Internet of Things applications with up to 5000 nodes per km2 in moderately interfered environment. 27 +The PG1302 is designed to use with Raspberry Pi to build smart metering fixed networks and Internet of Things applications with up to 5000 nodes per km2 in a moderately interfered environment. 29 29 ))) 30 30 31 31 ((( 32 -PG1302 is fully compatible with RPi3/4, 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 lorawandriver in the exist OS.31 +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. 33 33 ))) 34 34 34 + 35 35 == 1.2 Features == 36 36 37 + 37 37 * Base on Semtech SX1302 solution 38 38 * Support Raspberry Pi 3B/3B+/4 39 39 * Up to -140dBm sensitivity ... ... @@ -41,28 +41,44 @@ 41 41 * Mini-PCIe Interface 42 42 * Converter board to support Raspberry Pi 43 43 44 -== 1.3 General Interfaces == 45 45 46 +== 1.3 General Interfaces for PG1302 == 47 + 48 + 46 46 * SPI interface for LoRa 47 47 * Power Input: 5v, 1A 48 48 * 1 x I-PEX for LoRa 52 +* Working Temperature: -40 ℃ ~~ 80℃ 49 49 54 + 50 50 == 1.4 Pin Mapping == 51 51 57 + 52 52 [[image:1651743282627-547.png||height="402" width="425"]] 53 53 60 + 61 + 54 54 == 1.5 LEDs == 55 55 56 - TX: Blink when transmit a packet 57 - RX: Blink when receive a packet 58 - Config: Always ON 59 59 65 +((( 66 +TX: Blink when transmit a packet 67 +RX: Blink when receive a packet 68 +Config: Always ON 69 +))) 70 + 71 + 60 60 == 1.6 Power Consumption == 61 61 62 - TBD 63 63 75 +<300mA @ 3.3v. 76 + 77 +Detail Test Report see [[this link>>https://www.dropbox.com/sh/89virm4y0b02c7i/AAA-cgQEsSc8gNGFYAB0qZ_Za?dl=0]] 78 + 79 + 64 64 == 1.7 Applications == 65 65 82 + 66 66 * Smart Buildings & Home Automation 67 67 * Logistics and Supply Chain Management 68 68 * Smart Metering ... ... @@ -70,48 +70,69 @@ 70 70 * Smart Cities 71 71 * Smart Factory 72 72 73 -= 2. Example: Set up as LoRaWAN gateway. = 74 74 91 += 2. Example: Set up as LoRaWAN gateway = 92 + 75 75 == 2.1 System structure == 76 76 95 + 96 +((( 77 77 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. 78 78 99 + 100 +))) 101 + 79 79 [[image:1651743698677-436.png||height="457" width="686"]] 80 80 104 + 105 + 81 81 == 2.2 Hardware Installation == 82 82 108 + 83 83 (% style="color:red" %)**Important Notice: Please power the RPI with 5V,3A cable.** 84 84 85 -[[image: 1651743803032-803.png]]111 +[[image:image-20220621104746-1.png||height="381" width="451"]] 86 86 113 + 114 + 87 87 = 3. Install the software? = 88 88 89 -There are two ways to install software in RPi4 to use PG1302. 90 90 91 -* Flash SD card with Dragino pre-build image which support Web UI. 92 -* Install lora packet forwarder in existing RPi OS. 118 +There are two ways to install the software in RPi4 to use PG1302. 93 93 120 +* Flash SD card with Dragino pre-build image which supports Web UI. 121 +* Install Lora packet forwarder in existing RPi OS. 122 + 123 + 94 94 = 4. Flash with pre-build image = 95 95 96 96 == 4.1 Download the dragino image for RPI == 97 97 98 -Download PG1302_for_Rpi4_64_with_webui from 99 -[[https:~~/~~/www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0>>https://www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0]] 100 100 101 -== 4.2 Flash the image to SD card == 129 +((( 130 +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]] 131 +))) 102 102 103 -Flash the image to SD card: 104 104 134 +== 4.2 Flash the image to an SD card == 135 + 136 + 137 +Flash the image to the SD card: 138 + 105 105 [[image:1651744119133-233.png||height="373" width="621"]] 106 106 107 - Note: Download the flash tool following this link 108 108 109 - [[https:~~/~~/www.balena.io/etcher/>>https://www.balena.io/etcher/]] 142 +(% style="color:red" %)**Note: Download the flash tool following this link:**[[https:~~/~~/www.balena.io/etcher/>>https://www.balena.io/etcher/]] 110 110 144 + 111 111 == 4.3 Access the Linux console == 112 112 113 -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 114 114 148 +((( 149 +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 150 +))) 151 + 152 + 115 115 [[image:1651744193675-591.png||height="450" width="466"]] 116 116 117 117 The account details for Web Login are: ... ... @@ -134,91 +134,114 @@ 134 134 135 135 ((( 136 136 **~ (% style="color:#0000ff" %)Pi/dragino(%%)** 175 + 176 + 137 137 ))) 138 138 139 -After log in, you will be in the Linux console and type command here. 179 +After logging in, you will be in the Linux console and type the command here. 140 140 141 141 [[image:1651744358515-107.png||height="366" width="581"]] 142 142 143 -== 4.4 Access the WebUI of RPi4. == 144 144 184 +== 4.4 Access the WebUI of RPi4 == 185 + 145 145 === 4.4.1 Home page === 146 146 147 -Open a browser on the PC and type the RPI ip address[[http:~~/~~/IP_ADDRESS** **>>url:http://192.168.1.xx/]] (If the IP is assigned by uplink router) 188 + 189 +((( 190 +Open a browser on the PC and type the RPI ip address **http:~/~/IP_ADDRESS ** (If the IP is assigned by the uplink router) 148 148 You will see the login interface of RPI as shown below. 149 149 The account details for Web Login are: 193 +))) 150 150 151 151 ((( 152 152 **~ (% style="color:#0000ff" %)User Name: root(%%)** 153 153 (% style="color:#0000ff" %)** Password: dragino** 198 + 199 + 154 154 ))) 155 155 156 156 [[image:1651744457761-993.png||height="352" width="621"]] 157 157 204 + 158 158 === 4.4.2 LoRa Page === 159 159 207 + 160 160 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. 161 161 210 + 162 162 [[image:1651744554845-970.png||height="328" width="621"]] 163 163 213 + 164 164 Different PG1302 hardware version can support different frequency range: 165 165 166 -➢ 868: valid frequency: 863Mhz ~~ 870Mhz. for bands EU868, RU864, IN865 or KZ865. 216 +* (% style="color:red" %)**868: valid frequency: 863Mhz ~~ 870Mhz. for bands EU868, RU864, IN865 or KZ865.** 217 +* (% style="color:red" %)**915: valid frequency: 902Mhz ~~ 928Mhz. for bands US915, AU915, AS923 or KR920** 167 167 168 - ➢915:validfrequency:902Mhz~~928Mhz.forbandsUS915,AU915,AS923orKR920219 +After user choose the frequency plan, he can see the actually frequency in used by checking the (% style="color:#037691" %)**page LogRead ~-~-> LoRa Log** 169 169 170 - Afteruserchoosethe frequencyplan, hecanseethe actuallyfrequencyinusedy checking the221 +(% style="color:red" %)**Note *: [[See this instruction for how to customize frequency band>>doc:Main.How to customized LoRaWAN frequency band.WebHome]]** 171 171 172 -page LogRead ~-~-> LoRa Log 173 173 174 -Note *: [[See this instruction for how to customize frequency band>>doc:Main.How to customized LoRaWAN frequency band.WebHome]] 175 - 176 - 177 177 === 4.4.3 LoRaWAN Page === 178 178 179 179 ==== 4.4.3.1 Semtech UDP ==== 180 180 228 + 181 181 [[image:1651744767914-283.png||height="352" width="621"]] 182 182 183 -Note *: [[See this instruction for how to configure TTN>>doc:Main.Notes for TTN.WebHome]]. 184 184 232 +(% style="color:red" %)**Note *: [[See this instruction for how to configure TTN>>doc:Main.Notes for TTN.WebHome]].** 185 185 234 + 186 186 ==== 4.4.3.2 Basic Station ==== 187 187 237 + 188 188 [[image:1651744890629-683.png||height="380" width="621"]] 189 189 190 -Note *: [[See this instruction for how to configure AWS-loT-Core>>doc:Main.AWS IoT Core for LoRaWAN.WebHome]]. 191 191 241 +(% style="color:red" %)**Note *: [[See this instruction for how to configure AWS-loT-Core>>doc:Main.AWS IoT Core for LoRaWAN.WebHome]].** 192 192 243 + 193 193 === 4.4.4 LogRead === 194 194 195 195 ==== 4.4.4.1 LoRa Log ==== 196 196 248 + 197 197 [[image:1651744955955-452.png||height="571" width="621"]] 198 198 251 + 199 199 Show the frequency for LoRa Radio and traffics. 200 200 254 + 201 201 ==== 4.4.4.2 System Log ==== 202 202 257 + 203 203 Show system log. 204 204 260 + 205 205 [[image:1651745003470-264.png||height="477" width="621"]] 206 206 263 + 207 207 ==== 4.4.4.3 Record Log ==== 208 208 266 + 209 209 **Record the system log.** 210 210 269 + 211 211 [[image:1651745069814-662.png||height="144" width="621"]] 212 212 213 -= 5. Install stand alone LoRa Packet Forwarder. = 214 214 273 += 5. Install stand-alone LoRa Packet Forwarder = 274 + 215 215 == 5.1 OS requirement == 216 216 277 + 217 217 RPI in this example is RPI model 4B with fresh Raspbian OS install. 218 218 219 219 (% class="box" %) 220 220 ((( 221 - pi@raspberrypi:~~$ cat /etc/os-release 282 + pi@raspberrypi:~~$ cat /etc/os-release 222 222 PRETTY_NAME="Raspbian GNU/Linux 8 (jessie)" 223 223 NAME="Raspbian GNU/Linux" 224 224 VERSION_ID="8" ... ... @@ -228,22 +228,29 @@ 228 228 HOME_URL="http:~/~/www.raspbian.org/" 229 229 SUPPORT_URL="http:~/~/www.raspbian.org/RaspbianForums" 230 230 BUG_REPORT_URL="http:~/~/www.raspbian.org/RaspbianBugs" 292 + 293 + 231 231 ))) 232 232 233 -== 5.2 Get Gateway ID in Raspberry and input this in TTN v3. == 234 234 235 - InRPI,run belowcommand togetaGatewayID297 +== 5.2 Get Gateway ID in Raspberry and input this in TTN v3 == 236 236 299 + 300 +In RPI, run the below command to get a Gateway ID 301 + 237 237 (% class="box infomessage" %) 238 238 ((( 239 - ifconfig eth0 304 +**~ ifconfig eth0** 240 240 ))) 241 241 242 242 [[image:1651745210205-512.png||height="130" width="621"]] 243 243 309 + 244 244 ((( 245 245 ((( 246 246 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. 313 + 314 + 247 247 ))) 248 248 ))) 249 249 ... ... @@ -251,52 +251,71 @@ 251 251 252 252 [[image:1651745306744-481.png||height="478" width="621"]] 253 253 322 + 254 254 After set up, the status should show not connected as below: 255 255 256 256 [[image:1651745366987-458.png||height="363" width="621"]] 257 257 327 + 258 258 === 5.2.1 Download and install LoRaWAN packet forwarder === 259 259 330 + 260 260 Enable SPI and I2C first: 261 261 262 -a)SPI needs to be enabled on the Raspberry Pi 333 +a) SPI needs to be enabled on the Raspberry Pi 263 263 264 -Run (% style="background-color: #dcdcdc" %)**sudo raspi-config**(%%) to open the config window335 +Run (% style="background-color:yellow" %) **sudo raspi-config**(%%) to open the config window 265 265 266 266 [[image:1651745476754-240.png||height="234" width="629"]] 267 267 339 + 268 268 [[image:image-20220505181135-1.png]] 269 269 342 + 270 270 [[image:image-20220505181135-2.png||height="229" width="622"]] 271 271 272 -In RPI , Fist: Enter root account: 273 273 346 + 347 +In RPI, Fist: Enter the root account: 348 + 274 274 ((( 275 275 [[image:1651745583363-614.png||height="151" width="732"]] 351 + 352 + 276 276 ))) 277 277 278 -and then run: 279 279 280 - (% style="background-color:#dcdcdc" %)wget[[https:~~/~~/www.dragino.com/downloads/downloads/LoRa_Gateway/PG1302/software/auto_install.sh>>url:https://www.dragino.com/downloads/downloads/LoRa_Gateway/PG1302/software/auto_install.sh]]356 +**Select the appropriate device version to download:** 281 281 282 -(% style="background-color:#dcdcdc" %)chmod +x ./auto_install.sh 283 283 284 -(% style="background-color:#dcdcdc" %)./auto_install.sh 285 - 286 286 ((( 287 -[[image:1651745611629-818.png||height="225" width="729"]] 360 +**draginofwd-32bit** 361 + 362 +wget https:~/~/www.dragino.com/downloads/downloads/LoRa_Gateway/PG1302/software/draginofwd-32bit.deb && dpkg -i draginofwd-32bit.deb 363 + 364 + 365 +**dragino-64bit** 288 288 ))) 289 289 290 - Thisldownloadhepacket forwarder packagefromDraginoServer to RPI, andstartinstall the package.368 +wget https:~/~/www.dragino.com/downloads/downloads/LoRa_Gateway/PG1302/software/draginofwd-64bit.deb && dpkg -i draginofwd-64bit.deb 291 291 292 -You can get these output: 293 293 371 +**dragino-tiker-32bit** 372 + 373 +wget https:~/~/www.dragino.com/downloads/downloads/LoRa_Gateway/PG1302/software/draginofwd-tinker-32bit.deb && dpkg -i draginofwd-tinker-32bit.deb 374 + 375 + 294 294 ((( 295 -[[image:1651745657252-173.png||height="426" width="621"]] 377 + 378 + 379 +[[image:image-20220928181226-1.png||height="218" width="1100"]] 380 + 381 + 296 296 ))) 297 297 298 298 === 5.2.2 Config Gateway ID, Frequency Band and Server address === 299 299 386 + 300 300 ((( 301 301 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.** 302 302 ))) ... ... @@ -303,34 +303,45 @@ 303 303 304 304 ((( 305 305 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. 393 + 394 + 306 306 ))) 307 307 308 308 [[image:1651745709709-887.png||height="820" width="621"]] 309 309 310 -User can find the TTN v3 server address from: 311 311 312 -[[Server Addresses ~| The Things Stack for LoRaWAN (thethingsindustries.com)>>url:https://www.thethingsindustries.com/docs/getting-started/server-addresses/#deployments]] 400 +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]] 313 313 314 314 And the default frequency band is US915 in (% style="color:#0000ff" %)**global_conf.json**(%%) file. 315 315 316 316 [[image:1651745838008-820.png||height="650" width="621"]] 317 317 406 + 318 318 * 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(%%).** 319 319 320 - 1).Chose your need the name of region frequency. 409 +**~ 1). Chose your need the name of region frequency.** 321 321 411 + 322 322 [[image:1651745867516-322.png||height="83" width="740"]] 323 323 324 - 2). Use this command to copy it. 325 325 326 - cp /etc/lora/cfg-302/EU-global_conf.json /etc/lora/global_conf.json 327 327 416 +**~ 2). Use this command to copy it.** 417 + 418 +(% class="box infomessage" %) 419 +((( 420 +**cp /etc/lora/cfg-302/EU-global_conf.json /etc/lora/global_conf.json** 421 +))) 422 + 328 328 [[image:1651745984006-868.png||height="87" width="745"]] 329 329 425 + 330 330 * If user wants to change to other LoRaWAN server, modify the (% style="color:#0000ff" %)**global_conf.json**(%%) file. 331 331 428 + 332 332 === 5.2.3 Check result === 333 333 431 + 334 334 ((( 335 335 Run below command to restart the dragino_fwd: 336 336 ))) ... ... @@ -338,15 +338,16 @@ 338 338 ((( 339 339 (% class="box infomessage" %) 340 340 ((( 341 -sudo systemctl stop draginofwd 439 +**sudo systemctl stop draginofwd** 342 342 ))) 343 343 344 344 (% class="box infomessage" %) 345 345 ((( 346 -sudo systemctl start draginofwd 444 +**sudo systemctl start draginofwd** 347 347 ))) 348 348 ))) 349 349 448 + 350 350 ((( 351 351 debug check the ruing status of fwd: 352 352 ))) ... ... @@ -354,32 +354,40 @@ 354 354 ((( 355 355 (% class="box infomessage" %) 356 356 ((( 357 -sudo systemctl status draginofwd 456 +**sudo systemctl status draginofwd** 358 358 ))) 359 359 ))) 360 360 361 361 [[image:1651746045057-414.png||height="193" width="729"]] 362 362 462 + 463 + 363 363 The dragino_fwd will start with the new gateway ID and TTN v3 should show the connection ok: 364 364 466 + 365 365 [[image:1651746078253-168.png||height="372" width="621"]] 366 366 367 367 470 + 368 368 We can check dragino_fwd running states in RPi by running: 369 369 370 370 (% class="box infomessage" %) 371 371 ((( 372 - sudo journalctl -u draginofwd -f 475 +**~ sudo journalctl -u draginofwd -f** 373 373 ))) 374 374 375 375 [[image:1651746111963-838.png||height="184" width="730"]] 376 376 377 - If there are LoRaWAN nodes transmitting nearby, we can see the traffic in **TTN v3 –> Gateway ~-~-> Live data** 378 378 481 + 482 + If there are LoRaWAN nodes transmitting nearby, we can see the traffic in (% style="color:#037691" %)**TTN v3 –> Gateway ~-~-> Live data** 483 + 379 379 [[image:1651746139304-966.png||height="326" width="621"]] 380 380 486 + 381 381 === 5.2.4 Commands to handle service === 382 382 489 + 383 383 * (% style="color:#0000ff" %)**Stop** (%%)dragino_fwd service: sudo systemctl stop draginofwd 384 384 * (% style="color:#0000ff" %)**Disable**(%%) dragino_fwd auto run after boot: sudo systemctl disable draginofwd 385 385 * (% style="color:#0000ff" %)**Start** (%%)dragino_fwd : sudo systemctl start draginofwd ... ... @@ -386,19 +386,24 @@ 386 386 * (% style="color:#0000ff" %)**Auto run**(%%) dragino_fwd after boot: sudo systemctl enable draginofwd 387 387 * (% style="color:#0000ff" %)**Show status** (%%)of dragino_fwd: sudo systemctl status draginofwd 388 388 496 + 389 389 = 6. Order Info = 390 390 499 + 391 391 Part Number: (% style="color:#0000ff" %)**PG1302-XX** (%%) Or Part Number: (% style="color:#0000ff" %)**PG1302-PI-XX **(%%)(Include RPi converter board for RPI 3/4) 392 392 393 393 **~ (% style="color:#0000ff" %)XX:(%%)** 394 394 395 -* (% style="color: #0000ff" %)**868** (%%)(For Bands: EU868,IN865)396 -* (% style="color: #0000ff" %)**915** (%%)(For Bands: US915,AU915,AS923,KR920)397 -* (% style="color: #0000ff" %)**470** (%%)(For Band: CN470)504 +* (% style="color:red" %)**868** (%%)(For Bands: EU868,IN865) 505 +* (% style="color:red" %)**915** (%%)(For Bands: US915,AU915,AS923,KR920) 506 +* (% style="color:red" %)**470** (%%)(For Band: CN470) 398 398 508 + 399 399 = 7. Packing Info = 400 400 401 401 ((( 512 + 513 + 402 402 **PG1302 Package Includes**: 403 403 ))) 404 404 ... ... @@ -410,6 +410,8 @@ 410 410 ))) 411 411 412 412 ((( 525 + 526 + 413 413 **PG1302-PI Package Includes**: 414 414 ))) 415 415 ... ... @@ -418,11 +418,18 @@ 418 418 * RPi3/4 converter PCB 419 419 * Screws to hole converter PCB on RPI. 420 420 535 +**PG1302-PI Dimension and weight: ** 536 + 537 +* Device Size: 18 x 8 x 4 cm 538 +* Weight: 150g 539 + 540 + 421 421 ((( 422 422 = 8. Support = 423 423 544 + 424 424 ((( 425 -If you are experiencing issues and can ’t solve, you can send mail to546 +If you are experiencing issues and can't solve, you can send mail to 426 426 ))) 427 427 428 428 ((( ... ... @@ -431,5 +431,8 @@ 431 431 432 432 ((( 433 433 With your question as detail as possible. We will reply and help you in the shortest. 555 + 556 + 557 + 434 434 ))) 435 435 )))
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