Last modified by Kilight Cao on 2024/06/22 10:43
<
From version < 145.1 >
edited by Xiaoye
on 2024/02/26 15:48
To version < 115.1 >
edited by Xiaoye
on 2023/03/24 15:03
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Summary

Details

Page properties
Title
... ... @@ -1,1 +1,1 @@
1 -PG1302 -- LoRaWAN Concentrator User Manual
1 +PG1302 - LoRaWAN Concentrator User Manual
Content
... ... @@ -4,7 +4,7 @@
4 4  
5 5  
6 6  
7 -**Table of Contents:**
7 +**Table of Contents：**
8 8  
9 9  {{toc/}}
10 10  
... ... @@ -20,7 +20,7 @@
20 20  
21 21  
22 22  (((
23 -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.
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.
24 24  )))
25 25  
26 26  (((
... ... @@ -28,7 +28,7 @@
28 28  )))
29 29  
30 30  (((
31 -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.
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.
32 32  )))
33 33  
34 34  
... ... @@ -53,15 +53,16 @@
53 53  == 1.4 Pin Mapping ==
54 54  
55 55  
56 -[[image:image-20240122140551-1.png]]
56 + [[image:1651743282627-547.png||height="402" width="425"]]
57 57  
58 58  
59 +
59 59  == 1.5 LEDs ==
60 60  
61 61  
62 62  (((
63 63  TX: Blink when transmit a packet
64 -RX: Blink when receiving a packet
65 +RX: Blink when receive a packet
65 65  Config: Always ON
66 66  )))
67 67  
... ... @@ -74,22 +74,9 @@
74 74  Detail Test Report see [[this link>>https://www.dropbox.com/sh/89virm4y0b02c7i/AAA-cgQEsSc8gNGFYAB0qZ_Za?dl=0]]
75 75  
76 76  
77 -== 1.7 Antenna Installation ==
78 +== 1.7 Applications ==
78 78  
79 79  
80 -Left:  **GPS antenna**
81 -
82 -Right:  **LoRa Antenna**
83 -
84 -[[image:https://www.thethingsnetwork.org/forum/uploads/default/original/3X/6/2/624619afa8d75a2c21bfd1e3687afaa75ad61cbc.jpeg||alt="PG1302_70"]]
85 -
86 -
87 -
88 -
89 -
90 -== 1.8 Applications ==
91 -
92 -
93 93  * Smart Buildings & Home Automation
94 94  * Logistics and Supply Chain Management
95 95  * Smart Metering
... ... @@ -97,8 +97,6 @@
97 97  * Smart Cities
98 98  * Smart Factory
99 99  
100 -
101 -
102 102  = 2. Example: Set up as LoRaWAN gateway =
103 103  
104 104  == 2.1 System structure ==
... ... @@ -118,7 +118,7 @@
118 118  
119 119  (% style="color:red" %)**Important Notice: Please power the RPI with 5V,3A cable.**
120 120  
121 -[[image:image-20220621104746-1.png||height="351" width="415"]]
107 +[[image:image-20220621104746-1.png||height="381" width="451"]]
122 122  
123 123  
124 124  = 3. Install the software? =
... ... @@ -273,6 +273,7 @@
273 273  
274 274  Show system log.
275 275  
262 +
276 276  [[image:1651745003470-264.png||height="477" width="621"]]
277 277  
278 278  
... ... @@ -281,47 +281,20 @@
281 281  
282 282  **Record the system log.**
283 283  
271 +
284 284  [[image:1651745069814-662.png||height="144" width="621"]]
285 285  
286 286  
287 287  = 5. Install stand-alone LoRa Packet Forwarder =
288 288  
289 -== 5.1 Choose the right installation package for your OS ==
277 +== 5.1 OS requirement ==
290 290  
291 291  
292 -(((
293 -**draginofwd-32bit (RPI, Orange PI)**
294 -
295 -**Download URL:** https:~/~/www.dragino.com/downloads/downloads/LoRa_Gateway/PG1302/software/draginofwd-32bit.deb
296 -
297 -**Linux Command:** wget https:~/~/www.dragino.com/downloads/downloads/LoRa_Gateway/PG1302/software/draginofwd-32bit.deb && dpkg -i draginofwd-32bit.deb
298 -
299 -
300 -**dragino-64bit (RPI, Orange PI)**
301 -
302 -**Download URL: **https:~/~/www.dragino.com/downloads/downloads/LoRa_Gateway/PG1302/software/draginofwd-64bit.deb
303 -)))
304 -
305 -**Linux Command: **wget https:~/~/www.dragino.com/downloads/downloads/LoRa_Gateway/PG1302/software/draginofwd-64bit.deb && dpkg -i draginofwd-64bit.deb
306 -
307 -
308 -**dragino-tiker-32bit (Tinker Board)**
309 -
310 -**Download URL: **https:~/~/www.dragino.com/downloads/downloads/LoRa_Gateway/PG1302/software/draginofwd-tinker-32bit.deb
311 -
312 -**Linux Command: **wget https:~/~/www.dragino.com/downloads/downloads/LoRa_Gateway/PG1302/software/draginofwd-tinker-32bit.deb && dpkg -i draginofwd-tinker-32bit.deb
313 -
314 -
315 -**Install details:**
316 -
317 -[[image:image-20220928181226-1.png||height="218" width="1100"]]
318 -
319 -
320 320  RPI in this example is RPI model 4B with fresh Raspbian OS install.
321 321  
322 322  (% class="box" %)
323 323  (((
324 -**~ pi@raspberrypi:~~$ cat /etc/os-release
284 + pi@raspberrypi:~~$ cat /etc/os-release
325 325   PRETTY_NAME="Raspbian GNU/Linux 8 (jessie)"
326 326   NAME="Raspbian GNU/Linux"
327 327   VERSION_ID="8"
... ... @@ -330,31 +330,15 @@
330 330   ID_LIKE=debian
331 331   HOME_URL="http:~/~/www.raspbian.org/"
332 332   SUPPORT_URL="http:~/~/www.raspbian.org/RaspbianForums"
333 - BUG_REPORT_URL="http:~/~/www.raspbian.org/RaspbianBugs"**
293 + BUG_REPORT_URL="http:~/~/www.raspbian.org/RaspbianBugs"
334 334  
335 335  
336 336  )))
337 337  
338 338  
339 -== 5.2 Select the mode of connection to the server ==
299 +== 5.2 Get Gateway ID in Raspberry and input this in TTN v3 ==
340 340  
341 341  
342 -The Dragino LoRa Packet Forware supports the Semtech UDP and Basic Station mode.
343 -
344 -The User can choose one of the methods as the connection mode.
345 -
346 -
347 -**~1. Semtech UDP Mode  ~-~-> 5.2.1**
348 -
349 -**2. Basic Station Mode  ~-~-> 5.2.2**
350 -
351 -
352 -=== 5.2.1 Semtech UDP Mode ===
353 -
354 -
355 -==== **a). Get a gateway EUI from the device ETH MAC.** ====
356 -
357 -
358 358  In RPI, run the below command to get a Gateway ID
359 359  
360 360  (% class="box infomessage" %)
... ... @@ -369,10 +369,6 @@
369 369  (((
370 370  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.
371 371  
372 -
373 -
374 -==== **b). Input this Gateway EUI to the TTN-Stack** ====
375 -
376 376  
377 377  )))
378 378  )))
... ... @@ -382,20 +382,18 @@
382 382  [[image:1651745306744-481.png||height="478" width="621"]]
383 383  
384 384  
325 +After set up, the status should show not connected as below:
385 385  
386 -==== **c). After Register, the status should show not connected as below:** ====
387 -
388 -
389 389  [[image:1651745366987-458.png||height="363" width="621"]]
390 390  
391 391  
330 +=== 5.2.1 Download and install LoRaWAN packet forwarder ===
392 392  
393 -==== **d). Enable SPI and I2C on your device** ====
394 394  
333 +Enable SPI and I2C first:
395 395  
396 -**the below example is using Raspberry 4B.**
335 +a)  SPI needs to be enabled on the Raspberry Pi
397 397  
398 -
399 399  Run (% style="background-color:yellow" %) **sudo raspi-config**(%%) to open the config window
400 400  
401 401  [[image:1651745476754-240.png||height="234" width="629"]]
... ... @@ -408,69 +408,77 @@
408 408  
409 409  
410 410  
411 -==== **e). Access the root account:** ====
349 +In RPI, Fist: Enter the root account:
412 412  
413 413  (((
414 414  [[image:1651745583363-614.png||height="151" width="732"]]
415 415  
416 -
417 417  
418 418  )))
419 419  
420 -==== **f). Modify the configuration of FWD** ====
421 421  
358 +=== **5.2.2. Select the appropriate device version to download:** ===
422 422  
360 +
423 423  (((
424 -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.**
362 +**draginofwd-32bit (RPI, Orange PI)**
363 +
364 +wget https:~/~/www.dragino.com/downloads/downloads/LoRa_Gateway/PG1302/software/draginofwd-32bit.deb && dpkg -i draginofwd-32bit.deb
365 +
366 +
367 +**dragino-64bit (RPI, Orange PI)**
425 425  )))
426 426  
427 -(((
428 -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.
370 +wget https:~/~/www.dragino.com/downloads/downloads/LoRa_Gateway/PG1302/software/draginofwd-64bit.deb && dpkg -i draginofwd-64bit.deb
429 429  
430 430  
431 -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.
373 +**dragino-tiker-32bit (Tinker Board)**
432 432  
433 -/etc/lora/
434 -├── cfg-302  ~-~--> global configuration file
435 -├── devskey  ~-~--> Database
436 -├── global_conf.json  ~-~--> Frequency plan for current applications
437 -└── local_conf.json  ~-~--> Local fwd configuration
375 +wget https:~/~/www.dragino.com/downloads/downloads/LoRa_Gateway/PG1302/software/draginofwd-tinker-32bit.deb && dpkg -i draginofwd-tinker-32bit.deb
438 438  
439 -At default, the users need to change two configurations file: global_conf.json and local_conf.json.
440 440  
378 +(((
379 +
441 441  
442 -===== **1.) Configure gateway EUI and server address, port for fwd** =====
381 +[[image:image-20220928181226-1.png||height="218" width="1100"]]
443 443  
444 444  
445 445  )))
446 446  
447 -[[image:1651745709709-887.png||height="820" width="621"]]
386 +=== 5.2.2 Config Gateway ID, Frequency Band and Server address ===
448 448  
449 449  
450 -**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]]**
389 +(((
390 +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.**
391 +)))
451 451  
393 +(((
394 +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.
452 452  
453 -===== **2). Override the global_conf.json file by selecting the appropriate frequency plan for your region in cfg-302** =====
396 +
397 +)))
454 454  
399 +[[image:1651745709709-887.png||height="820" width="621"]]
455 455  
456 -the default frequency band is US915 in the (% style="color:#0000ff" %)**global_conf.json**(%%) file.
457 457  
458 -[[image:1651745838008-820.png||height="650" width="621"]]
402 +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]]
459 459  
404 +And the default frequency band is US915 in (% style="color:#0000ff" %)**global_conf.json**(%%) file.
460 460  
461 -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(%%).**
406 +[[image:1651745838008-820.png||height="650" width="621"]]
462 462  
463 -**//eg: cp /etc/lora/cfg-302/EU-global_conf.json /etc/lora/global_conf.json //**
464 464  
409 +* 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(%%).**
465 465  
411 +**~ 1). Chose your need the name of region frequency.**
466 466  
467 -====== **Selecting the appropriate frequency plan for your region in cfg-302.** ======
468 468  
469 469  [[image:1651745867516-322.png||height="83" width="740"]]
470 470  
471 471  
472 -====== **Override the global_conf.json** ======
473 473  
418 +**~ 2). Use this command to copy it.**
419 +
474 474  (% class="box infomessage" %)
475 475  (((
476 476  **cp /etc/lora/cfg-302/EU-global_conf.json /etc/lora/global_conf.json**
... ... @@ -479,20 +479,28 @@
479 479  [[image:1651745984006-868.png||height="87" width="745"]]
480 480  
481 481  
482 -==== (% style="color:inherit; font-family:inherit; font-size:23px" %)**g). Running the Fwd Server**(%%) ====
428 +* If user wants to change to other LoRaWAN server, modify the (% style="color:#0000ff" %)**global_conf.json**(%%) file.
483 483  
430 +=== 5.2.3 Check result ===
484 484  
432 +
485 485  (((
486 -Run the below command to restart the dragino_fwd:
434 +Run below command to restart the dragino_fwd:
487 487  )))
488 488  
489 489  (((
490 490  (% class="box infomessage" %)
491 491  (((
440 +**sudo systemctl stop draginofwd**
441 +)))
442 +
443 +(% class="box infomessage" %)
444 +(((
492 492  **sudo systemctl start draginofwd**
493 493  )))
494 494  )))
495 495  
449 +
496 496  (((
497 497  debug check the ruing status of fwd:
498 498  )))
... ... @@ -507,13 +507,15 @@
507 507  [[image:1651746045057-414.png||height="193" width="729"]]
508 508  
509 509  
510 -Wait for a few minutes, the gateway will be online/active on the TTN-Stack.
511 511  
465 +The dragino_fwd will start with the new gateway ID and TTN v3 should show the connection ok:
466 +
467 +
512 512  [[image:1651746078253-168.png||height="372" width="621"]]
513 513  
514 514  
515 515  
516 -Get the draginofwd real-time running log:
472 +We can check dragino_fwd running states in RPi by running:
517 517  
518 518  (% class="box infomessage" %)
519 519  (((
... ... @@ -529,8 +529,9 @@
529 529  [[image:1651746139304-966.png||height="326" width="621"]]
530 530  
531 531  
532 -==== **h). Commands to handle service** ====
488 +=== 5.2.4 Commands to handle service ===
533 533  
490 +
534 534  * (% style="color:#0000ff" %)**Stop** (%%)dragino_fwd service:  sudo systemctl stop draginofwd
535 535  * (% style="color:#0000ff" %)**Disable**(%%) dragino_fwd auto run after boot: sudo systemctl disable draginofwd
536 536  * (% style="color:#0000ff" %)**Start** (%%)dragino_fwd : sudo systemctl start draginofwd
... ... @@ -537,195 +537,9 @@
537 537  * (% style="color:#0000ff" %)**Auto run**(%%) dragino_fwd after boot:  sudo systemctl enable draginofwd
538 538  * (% style="color:#0000ff" %)**Show status** (%%)of dragino_fwd:  sudo systemctl status draginofwd
539 539  
540 -=== 5.2.2 Basic Station Mode. ===
497 += 6. Order Info =
541 541  
542 542  
543 -==== **a). Get a gateway EUI from the device ETH MAC.** ====
544 -
545 -
546 -In RPI, run the below command to get a Gateway EUI
547 -
548 -(% class="box infomessage" %)
549 -(((
550 -**~ ifconfig eth0**
551 -)))
552 -
553 -[[image:1651745210205-512.png||height="130" width="621"]]
554 -
555 -
556 -(((
557 -(((
558 -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.
559 -)))
560 -)))
561 -
562 -
563 -
564 -==== **b). Register the gateway with the Basic Station Mode on the TTN-Stack** ====
565 -
566 -
567 -[[image:image-20230329164417-5.png]]
568 -
569 -
570 -
571 -==== **c). Download the gateway API keys, and then upload them to the gateway.** ====
572 -
573 -
574 -[[image:image-20230329164704-6.png]]
575 -
576 -
577 -==== **d). The status Shows disconnect.** ====
578 -
579 -
580 -[[image:image-20230329165619-7.png||height="568" width="948"]]
581 -
582 -
583 -==== **e.) Uploda API keys into the gateway** ====
584 -
585 -
586 -the User can find the Basic Station configuration directory in (% style="color:#0000ff" %)**/etc/station/**(%%) there is the station.conf files, and ttnstack directory.
587 -
588 -//**directory tree:**//
589 -
590 -///etc/station/
591 -├── station.conf 
592 -└── ttnstack  ~-~--> ** ttnstack configuration file directory**
593 - ├── cups.trust  ~-~-->  ttnstack auth file
594 - ├── cups.uri  ~-~-->  ttnstack server URI file
595 - └── station.conf  ~-~-~-~-> backup configuration file//
596 -
597 -
598 -
599 -**and then upload the downloaded keys to this directory((% style="color:#0000ff" %)/etc/station/(%%))**
600 -
601 -eg:
602 -
603 -/etc/station/
604 -├── cups.key  ~-~--> uploaded by you
605 -├── lns.key  ~-~--> uploaded by you
606 -├── station.conf
607 -
608 -
609 -==== **f). Configure gateway EUI and server address** ====
610 -
611 -
612 -[[image:image-20230329195650-10.png]]
613 -
614 -
615 -After the user enters the correct parameters, the server will be run automatically
616 -
617 -
618 -Tree Directory:
619 -
620 -/etc/station/
621 -├── cups.key
622 -├── cups.trust
623 -├── cups.uri
624 -├── lns.key
625 -├── start-configure.sh
626 -├── station.conf
627 -└── ttnstack
628 - ├── cups.trust
629 - ├── cups.uri
630 - └── station.conf
631 -
632 -
633 -==== **g). Check station running log** ====
634 -
635 -
636 -tail -f /var/log/station.log
637 -
638 -
639 -[[image:image-20230329201624-11.png]]
640 -
641 -
642 -
643 -= 6. Add GPS support in PG1302 =
644 -
645 -The PG1302 supports GPS:
646 -
647 -[[image:image-20240118160132-1.png||height="270" width="338"]]
648 -
649 -
650 -* **The users can find the GPS device in Raspberry: /dev/ttyS0 or /dev/ttyAMA0**
651 -
652 - [[image:image-20240118160407-2.png||height="71" width="458"]]
653 -
654 -
655 -* **Check the GPS output: cat /dev/ttyS0**
656 -
657 - [[image:image-20240118160454-3.png]]
658 -
659 -
660 -* **Add the GPS to the Semtech UDP package forwarder configuration.**
661 -
662 - [[image:image-20240118160928-4.png||height="426" width="464"]]
663 -
664 -
665 -* **Test GPS function**
666 -
667 -**~ 1.) Stop IoT service: systemctl stop draginofwd**
668 -
669 -
670 -**~ 2.) Run the fwd command and check the output**
671 -
672 -
673 - [[image:image-20240118161109-5.png]]
674 -
675 -
676 -**~ 3.) Trouble Shooting:**
677 -
678 - If you get many WARNING outputs, which should be the GPS location is invalid, you need to adjust the GPS location, it is recommended to put it outdoors
679 -
680 -
681 - [[image:image-20240118161333-6.png]]
682 -
683 -
684 - The user can check the PG1302 board GPS LED status to check the location,
685 -
686 - GPS location is valid  ~-~--> GPS LED will light up
687 -
688 - GPS location is invalid ~-~--> GPS LED will light down
689 -
690 -
691 - [[image:image-20240118162033-7.png]]
692 -
693 -
694 -
695 -= 7. Trouble Shooting =
696 -
697 -(% class="wikigeneratedid" %)
698 -7.1 Failed to start the concentrator how to debug
699 -
700 -
701 ---When the problem "failed to start the concentrator" occurs, the user needs to check whether the I2C and SPI are enabled,--
702 -
703 ---Users can enter the following command to check whether I2C is detected, and the detection of **"60"** is correct.--
704 -
705 -(% class="box infomessage" %)
706 -(((
707 ---**i2cdetect -y 1**--
708 -)))
709 -
710 -**Note: This method has been removed because the i2c had been removed on the latest PG1302.**
711 -
712 -
713 -
714 -Check whether the SPI path of the configuration file is correct,
715 -
716 -(% class="box infomessage" %)
717 -(((
718 -**cat /etc/lora/global_conf.json **
719 -)))
720 -
721 -(% class="wikigeneratedid" %)
722 -[[image:image-20230518092732-2.png||height="378" width="691"]]
723 -
724 -
725 -
726 -= 8. Order Info =
727 -
728 -
729 729  Part Number: (% style="color:#0000ff" %)**PG1302-XX**   (%%) Or  Part Number: (% style="color:#0000ff" %)**PG1302-PI-XX   **(%%)(Include RPi converter board for RPI 3/4)
730 730  
731 731  **~ (% style="color:#0000ff" %)XX:(%%)**
... ... @@ -734,21 +734,24 @@
734 734  * (% style="color:red" %)**915** (%%)(For Bands: US915,AU915,AS923,KR920)
735 735  * (% style="color:red" %)**470** (%%)(For Band: CN470)
736 736  
737 -= 9. Packing Info =
508 += 7. Packing Info =
738 738  
739 -
740 740  (((
511 +
512 +
741 741  **PG1302 Package Includes**:
742 742  )))
743 743  
744 744  (((
517 +(((
745 745  * PG1302 x 1
746 746  * LoRa Antenna x 1
747 747  )))
521 +)))
748 748  
749 -
750 -
751 751  (((
524 +
525 +
752 752  **PG1302-PI Package Includes**:
753 753  )))
754 754  
... ... @@ -762,13 +762,22 @@
762 762  * Device Size: 18 x 8 x 4 cm
763 763  * Weight: 150g
764 764  
765 -= 10. Support =
539 +(((
540 += 8. Support =
766 766  
767 767  
768 768  (((
769 -If you are experiencing issues and can't solve, you can send mail to [[support@dragino.com>>mailto:support@dragino.com]].
544 +If you are experiencing issues and can't solve, you can send mail to
770 770  )))
771 771  
772 772  (((
548 +[[support@dragino.com>>mailto:support@dragino.com]]
549 +)))
550 +
551 +(((
773 773  With your question as detail as possible. We will reply and help you in the shortest.
553 +
554 +
555 +
774 774  )))
557 +)))
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