<
From version < 108.21 >
edited by Xiaoling
on 2023/05/25 15:09
To version < 107.1 >
edited by Edwin Chen
on 2022/10/09 00:11
>
Change comment: Uploaded new attachment "image-20221009001114-1.png", version {1}

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
... ... @@ -16,6 +16,7 @@
16 16  
17 17  = 1.  Introduction =
18 18  
19 +
19 19  == 1.1 ​ What is NDDS75 Distance Detection Sensor ==
20 20  
21 21  (((
... ... @@ -53,6 +53,7 @@
53 53  [[image:1657327959271-447.png]]
54 54  
55 55  
57 +
56 56  == 1.2 ​ Features ==
57 57  
58 58  
... ... @@ -69,8 +69,6 @@
69 69  * Micro SIM card slot for NB-IoT SIM
70 70  * 8500mAh Battery for long term use
71 71  
72 -
73 -
74 74  == 1.3  Specification ==
75 75  
76 76  
... ... @@ -81,12 +81,12 @@
81 81  
82 82  (% style="color:#037691" %)**NB-IoT Spec:**
83 83  
84 -* B1 @H-FDD: 2100MHz
85 -* B3 @H-FDD: 1800MHz
86 -* B8 @H-FDD: 900MHz
87 -* B5 @H-FDD: 850MHz
88 -* B20 @H-FDD: 800MHz
89 -* B28 @H-FDD: 700MHz
84 +* - B1 @H-FDD: 2100MHz
85 +* - B3 @H-FDD: 1800MHz
86 +* - B8 @H-FDD: 900MHz
87 +* - B5 @H-FDD: 850MHz
88 +* - B20 @H-FDD: 800MHz
89 +* - B28 @H-FDD: 700MHz
90 90  
91 91  (% style="color:#037691" %)**Battery:**
92 92  
... ... @@ -101,8 +101,6 @@
101 101  * STOP Mode: 10uA @ 3.3v
102 102  * Max transmit power: 350mA@3.3v
103 103  
104 -
105 -
106 106  == ​1.4  Applications ==
107 107  
108 108  
... ... @@ -117,6 +117,8 @@
117 117  ​
118 118  
119 119  
118 +
119 +
120 120  == 1.5  Pin Definitions ==
121 121  
122 122  
... ... @@ -123,8 +123,10 @@
123 123  [[image:1657328609906-564.png]]
124 124  
125 125  
126 +
126 126  = 2.  Use NDDS75 to communicate with IoT Server =
127 127  
129 +
128 128  == 2.1  How it works ==
129 129  
130 130  
... ... @@ -147,8 +147,10 @@
147 147  
148 148  )))
149 149  
152 +
150 150  == 2.2 ​ Configure the NDDS75 ==
151 151  
155 +
152 152  === 2.2.1 Test Requirement ===
153 153  
154 154  
... ... @@ -168,6 +168,7 @@
168 168  [[image:1657328756309-230.png]]
169 169  
170 170  
175 +
171 171  === 2.2.2 Insert SIM card ===
172 172  
173 173  
... ... @@ -183,6 +183,7 @@
183 183  [[image:1657328884227-504.png]]
184 184  
185 185  
191 +
186 186  === 2.2.3 Connect USB – TTL to NDDS75 to configure it ===
187 187  
188 188  
... ... @@ -224,6 +224,7 @@
224 224  )))
225 225  
226 226  
233 +
227 227  === 2.2.4 Use CoAP protocol to uplink data ===
228 228  
229 229  
... ... @@ -243,6 +243,7 @@
243 243  * (((
244 244  (% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/  Set COAP resource path
245 245  
253 +
246 246  
247 247  )))
248 248  
... ... @@ -265,6 +265,7 @@
265 265  [[image:1657330472797-498.png]]
266 266  
267 267  
276 +
268 268  === 2.2.5 Use UDP protocol to uplink data(Default protocol) ===
269 269  
270 270  
... ... @@ -278,6 +278,7 @@
278 278  [[image:1657330533775-472.png]]
279 279  
280 280  
290 +
281 281  === 2.2.6 Use MQTT protocol to uplink data ===
282 282  
283 283  
... ... @@ -300,6 +300,7 @@
300 300  )))
301 301  
302 302  
313 +
303 303  === 2.2.7 Use TCP protocol to uplink data ===
304 304  
305 305  
... ... @@ -312,6 +312,7 @@
312 312  [[image:image-20220709093918-2.png]]
313 313  
314 314  
326 +
315 315  === 2.2.8 Change Update Interval ===
316 316  
317 317  
... ... @@ -322,6 +322,7 @@
322 322  (((
323 323  
324 324  
337 +
325 325  (% style="color:red" %)**NOTE:**
326 326  
327 327  (% style="color:red" %)**1. By default, the device will send an uplink message every 1 hour.**
... ... @@ -332,21 +332,23 @@
332 332  (% style="color:red" %)**By default, the device will send an uplink message every 2 hours. Each Uplink Include 8 set of records in this 2 hour (15 minute interval / record).**
333 333  
334 334  
348 +
335 335  == 2.3  Uplink Payload ==
336 336  
351 +
337 337  === 2.3.1  Before Firmware v1.3.2 ===
338 338  
339 339  
340 340  In this mode, uplink payload includes in total 14 bytes
341 341  
342 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:440px" %)
343 -|=(% style="width: 61px;background-color:#D9E2F3;color:#0070C0" %)(((
357 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:440px" %)
358 +|=(% style="width: 60px;" %)(((
344 344  **Size(bytes)**
345 -)))|=(% style="width: 61px;background-color:#D9E2F3;color:#0070C0" %)**6**|=(% style="width: 37px;background-color:#D9E2F3;color:#0070C0" %)2|=(% style="width: 37px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 82px;background-color:#D9E2F3;color:#0070C0" %)**1**|=(% style="width: 102px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 60px;background-color:#D9E2F3;color:#0070C0" %)**1**
360 +)))|=(% style="width: 60px;" %)**6**|=(% style="width: 35px;" %)2|=(% style="width: 35px;" %)**2**|=(% style="width: 80px;" %)**1**|=(% style="width: 100px;" %)**2**|=(% style="width: 60px;" %)**1**
346 346  |(% style="width:97px" %)**Value**|(% style="width:83px" %)[[Device ID>>||anchor="H2.4.1A0A0DeviceID"]]|(% style="width:41px" %)[[Ver>>||anchor="H2.4.2A0VersionInfo"]]|(% style="width:46px" %)[[BAT>>||anchor="H2.4.3A0BatteryInfo"]]|(% style="width:123px" %)[[Signal Strength>>||anchor="H2.4.4A0SignalStrength"]]|(% style="width:120px" %)[[Distance (unit: mm)>>||anchor="H2.4.5A0Distance"]]|(% style="width:80px" %)[[Interrupt>>||anchor="H2.4.6A0DigitalInterrupt"]]
347 347  
348 348  (((
349 -If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS75 uplink data.
364 +If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS751 uplink data.
350 350  )))
351 351  
352 352  
... ... @@ -353,35 +353,48 @@
353 353  [[image:1657331036973-987.png]]
354 354  
355 355  
371 +(((
356 356  The payload is **ASCII** string, representative same HEX:
373 +)))
357 357  
358 -(% style="background-color:yellow" %)**0x 724031556159 0064 0c6c 19 0292 00 **
375 +(((
376 +0x72403155615900640c6c19029200 where:
377 +)))
359 359  
360 -**where :**
379 +* (((
380 +Device ID: 0x724031556159 = 724031556159
381 +)))
382 +* (((
383 +Version:  0x0064=100=1.0.0
384 +)))
361 361  
362 -* (% style="color:#037691" %)**Device ID:**(%%) 0x724031556159 = 724031556159
386 +* (((
387 +BAT:  0x0c6c = 3180 mV = 3.180V
388 +)))
389 +* (((
390 +Signal: 0x19 = 25
391 +)))
392 +* (((
393 +Distance: 0x0292= 658 mm
394 +)))
395 +* (((
396 +Interrupt: 0x00 = 0
363 363  
364 -* (% style="color:#037691" %)**Version:**(%%)  0x0064=100=1.0.0
365 365  
366 -* (% style="color:#037691" %)**BAT:** (%%) 0x0c6c = 3180 mV = 3.180V
367 367  
368 -* (% style="color:#037691" %)**Signal:**(%%)  0x19 = 25
369 369  
370 -* (% style="color:#037691" %)**Distance:**  (%%)0x0292= 658 mm
401 +
402 +)))
371 371  
372 -* (% style="color:#037691" %)**Interrupt:**(%%) 0x00 = 0
404 +=== **2.3.2  Since firmware v1.3.2** ===
373 373  
374 374  
375 -
376 -=== 2.3.2  Since firmware v1.3.2 ===
377 -
378 -
379 379  In this mode, uplink payload includes 69 bytes in total by default.
380 380  
381 381  Each time the device uploads a data package, 8 sets of recorded data will be attached. Up to 32 sets of recorded data can be uploaded.
382 382  
383 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:490px" %)
384 -|(% style="background-color:#d9e2f3; color:#0070c0; width:60px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**8**|(% style="background-color:#d9e2f3; color:#0070c0; width:25px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:25px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:60px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:25px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:60px" %)**4**
411 +(% border="2" style="background-color:#ffffcc; color:green; width:896px" %)
412 +|(% style="width:95px" %)**Size(bytes)**|(% style="width:84px" %)**8**|(% style="width:44px" %)2|(% style="width:48px" %)2|(% style="width:123px" %)1|(% style="width:55px" %)1|(% style="width:80px" %)1|(% style="width:77px" %)2|(% style="width:94px" %)4|(% style="width:77px" %)2|(% style="width:116px" %)4
385 385  |(% style="width:95px" %)**Value**|(% style="width:84px" %)Device ID|(% style="width:44px" %)Ver|(% style="width:48px" %)BAT|(% style="width:123px" %)Signal Strength|(% style="width:55px" %)MOD|(% style="width:80px" %)Interrupt|(% style="width:77px" %)Distance|(% style="width:94px" %)Timestamp|(% style="width:77px" %)Distance|(% style="width:116px" %)Timestamp.......
386 386  
387 387  If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS75 uplink data.
... ... @@ -391,34 +391,22 @@
391 391  
392 392  The payload is ASCII string, representative same HEX:
393 393  
394 -**0x (% style="color:red" %)f867787050213317 (% style="color:blue" %)0084 (% style="color:green" %)0cf4 (% style="color:#00b0f0" %)1e (% style="color:#7030a0" %)01 (% style="color:#d60093" %)00(% style="color:#a14d07" %) 0039 (% style="color:#0020b0" %)6315537b (% style="color:#663300" %)00396319baf0 00396319ba3c 00396319b988 00396319b8d4 00396319b820 00396319b76c 00396319b6b8 00396319b604 (%%)**
422 +0x(% style="color:red" %)f867787050213317(% style="color:blue" %)0084(% style="color:green" %)0cf4(% style="color:red" %)1e(% style="color:blue" %)01(% style="color:green" %)00(% style="color:red" %)**//00396319bb32//**00396319baf0//**00396319ba3c**//00396319b988//**00396319b8d4**//00396319b820//**00396319b76c**//00396319b6b8//**00396319b604**//(%%) where:
395 395  
396 -**where:**
424 +* (% style="color:green" %)Device ID: f867787050213317 = f867787050213317
425 +* (% style="color:red" %)Version: 0x0084=132=1.3.2
426 +* (% style="color:green" %)BAT: 0x0cf4 = 3316 mV = 3.316V
427 +* (% style="color:blue" %)Singal: 0x1e = 30
428 +* (% style="color:red" %)Mod: 0x01 = 1
429 +* Interrupt: 0x00= 0
430 +* Distance: 0x0039= 57 = 57
431 +* Time stamp : 0x6315537b =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
432 +* Distance,Time stamp : 00396319baf0
433 +* (% style="color:red" %) 8 sets of recorded data: Distance,Time stamp : //**00396319ba3c**//,.......
397 397  
398 -* (% style="color:#037691" %)**Device ID:**(%%) f867787050213317 = f867787050213317
399 -
400 -* (% style="color:#037691" %)**Version:**(%%) 0x0084=132=1.3.2
401 -
402 -* (% style="color:#037691" %)**BAT:**(%%)  0x0cf4 = 3316 mV = 3.316V
403 -
404 -* (% style="color:#037691" %)**Singal:**(%%)  0x1e = 30
405 -
406 -* (% style="color:#037691" %)**Mod:**(%%)**     **0x01 = 1
407 -
408 -* (% style="color:#037691" %)**Interrupt:**(%%) 0x00= 0
409 -
410 -* (% style="color:#037691" %)**Distance:**(%%) 0x0039= 57 = 57
411 -
412 -* (% style="color:#037691" %)**Time stamp:**(%%) 0x6315537b =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
413 -
414 -* (% style="color:#037691" %)**Distance,Time stamp:**(%%) 00396319baf0
415 -
416 -* (% style="color:#037691" %)**8 sets of recorded data: Distance,Time stamp :**(%%) //**00396319ba3c**//,.......
417 -
418 -
419 -
420 420  == 2.4  Payload Explanation and Sensor Interface ==
421 421  
437 +
422 422  === 2.4.1  Device ID ===
423 423  
424 424  
... ... @@ -457,6 +457,7 @@
457 457  AT+DEUI=868411056754138
458 458  
459 459  
476 +
460 460  === 2.4.2  Version Info ===
461 461  
462 462  
... ... @@ -469,6 +469,7 @@
469 469  )))
470 470  
471 471  
489 +
472 472  === 2.4.3  Battery Info ===
473 473  
474 474  
... ... @@ -481,6 +481,7 @@
481 481  )))
482 482  
483 483  
502 +
484 484  === 2.4.4  Signal Strength ===
485 485  
486 486  
... ... @@ -513,6 +513,7 @@
513 513  )))
514 514  
515 515  
535 +
516 516  === 2.4.5  Distance ===
517 517  
518 518  
... ... @@ -519,13 +519,23 @@
519 519  Get the distance. Flat object range 280mm - 7500mm.
520 520  
521 521  (((
522 -For example, if the data you get from the register is **__0x0B 0x05__**, the distance between the sensor and the measured object is(% style="color:blue" %)** 0B05(H) = 2821(D) = 2821mm.**
542 +For example, if the data you get from the register is **__0x0B 0x05__**, the distance between the sensor and the measured object is
523 523  )))
524 524  
525 525  (((
546 +(((
547 +(% style="color:blue" %)** 0B05(H) = 2821(D) = 2821mm.**
548 +)))
549 +)))
550 +
551 +(((
526 526  
527 527  )))
528 528  
555 +(((
556 +
557 +)))
558 +
529 529  === 2.4.6  Digital Interrupt ===
530 530  
531 531  
... ... @@ -546,8 +546,9 @@
546 546  The lower four bits of this data field shows if this packet is generated by interrupt or not. Click here for the hardware and software set up.
547 547  )))
548 548  
579 +
549 549  (((
550 -**Example:**
581 +Example:
551 551  )))
552 552  
553 553  (((
... ... @@ -559,6 +559,7 @@
559 559  )))
560 560  
561 561  
593 +
562 562  === 2.4.7  ​+5V Output ===
563 563  
564 564  
... ... @@ -566,12 +566,17 @@
566 566  NDDS75 will enable +5V output before all sampling and disable the +5v after all sampling. 
567 567  )))
568 568  
601 +
569 569  (((
570 570  The 5V output time can be controlled by AT Command.
604 +
605 +
571 571  )))
572 572  
573 573  (((
574 574  (% style="color:blue" %)**AT+5VT=1000**
610 +
611 +
575 575  )))
576 576  
577 577  (((
... ... @@ -579,17 +579,15 @@
579 579  )))
580 580  
581 581  
619 +
582 582  == 2.5  Downlink Payload ==
583 583  
584 584  
585 585  By default, NDDS75 prints the downlink payload to console port.
586 586  
587 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
588 -|(% style="background-color:#d9e2f3; color:#0070c0; width:208px" %)**Downlink Control Type**|(% style="background-color:#d9e2f3; color:#0070c0; width:56px" %)**FPort**|(% style="background-color:#d9e2f3; color:#0070c0; width:100px" %)**Type Code**|(% style="background-color:#d9e2f3; color:#0070c0; width:154px" %)**Downlink payload size(bytes)**
589 -|(% style="width:208px" %)TDC (Transmit Time Interval)|(% style="width:56px" %)Any|(% style="width:100px" %)01|(% style="width:154px" %)4
590 -|(% style="width:208px" %)RESET|(% style="width:56px" %)Any|(% style="width:100px" %)04|(% style="width:154px" %)2
591 -|(% style="width:208px" %)INTMOD|(% style="width:56px" %)Any|(% style="width:100px" %)06|(% style="width:154px" %)4
625 +[[image:image-20220709100028-1.png]]
592 592  
627 +
593 593  (((
594 594  (% style="color:blue" %)**Examples:**
595 595  )))
... ... @@ -634,6 +634,7 @@
634 634  )))
635 635  
636 636  
672 +
637 637  == 2.6  Distance alarm function(Since firmware v1.3.2) ==
638 638  
639 639  
... ... @@ -653,6 +653,7 @@
653 653  **AT+ LDDSALARM=260,2000**  ~/~/ Alarm when distance lower than 260.
654 654  
655 655  
692 +
656 656  == 2.7  Set the number of data to be uploaded and the recording time ==
657 657  
658 658  
... ... @@ -663,9 +663,10 @@
663 663  
664 664   The diagram below explains the relationship between TR, NOUD, and TDC more clearly**:**
665 665  
666 -[[image:image-20221009001114-1.png||height="687" width="955"]]
703 +[[image:image-20221009000513-1.png||height="732" width="1018"]]
667 667  
668 668  
706 +
669 669  == 2.8  Read or Clear cached data ==
670 670  
671 671  
... ... @@ -677,6 +677,7 @@
677 677  [[image:image-20220908175333-2.png]]
678 678  
679 679  
718 +
680 680  == 2.9  ​LED Indicator ==
681 681  
682 682  
... ... @@ -693,6 +693,7 @@
693 693  )))
694 694  
695 695  
735 +
696 696  == 2.10  ​Firmware Change Log ==
697 697  
698 698  
... ... @@ -701,18 +701,100 @@
701 701  )))
702 702  
703 703  (((
744 +
745 +)))
746 +
747 +(((
704 704  Upgrade Instruction: [[Upgrade Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
705 705  )))
706 706  
707 707  
708 -== 2.11 Battery & Power Consumption ==
709 709  
753 +== 2.11  ​Battery Analysis ==
710 710  
711 -NDDS75 uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
712 712  
713 -[[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
756 +=== 2.11.1  ​Battery Type ===
714 714  
715 715  
759 +(((
760 +The NDDS75 battery is a combination of an 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is none-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.
761 +)))
762 +
763 +(((
764 +The battery is designed to last for several years depends on the actually use environment and update interval. 
765 +)))
766 +
767 +(((
768 +The battery related documents as below:
769 +)))
770 +
771 +* [[Battery Dimension>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
772 +* [[Lithium-Thionyl Chloride Battery datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
773 +* [[Lithium-ion Battery-Capacitor datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
774 +
775 +(((
776 +[[image:image-20220709101450-2.png]]
777 +)))
778 +
779 +
780 +
781 +=== 2.11.2  Power consumption Analyze ===
782 +
783 +
784 +(((
785 +Dragino battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval.
786 +)))
787 +
788 +
789 +(((
790 +Instruction to use as below:
791 +)))
792 +
793 +(((
794 +(% style="color:blue" %)**Step 1:  **(%%)Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/]]
795 +)))
796 +
797 +
798 +(((
799 +(% style="color:blue" %)**Step 2: **(%%) Open it and choose
800 +)))
801 +
802 +* (((
803 +Product Model
804 +)))
805 +* (((
806 +Uplink Interval
807 +)))
808 +* (((
809 +Working Mode
810 +)))
811 +
812 +(((
813 +And the Life expectation in difference case will be shown on the right.
814 +)))
815 +
816 +[[image:image-20220709110451-3.png]]
817 +
818 +
819 +
820 +=== 2.11.3  ​Battery Note ===
821 +
822 +
823 +(((
824 +The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased.
825 +)))
826 +
827 +
828 +
829 +=== 2.11.4  Replace the battery ===
830 +
831 +
832 +(((
833 +The default battery pack of NDDS75 includes a ER26500 plus super capacitor. If user can't find this pack locally, they can find ER26500 or equivalence without the SPC1520 capacitor, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes).
834 +)))
835 +
836 +
837 +
716 716  = 3. ​ Access NB-IoT Module =
717 717  
718 718  
... ... @@ -729,8 +729,10 @@
729 729  [[image:1657333200519-600.png]]
730 730  
731 731  
854 +
732 732  = 4.  Using the AT Commands =
733 733  
857 +
734 734  == 4.1  Access AT Commands ==
735 735  
736 736  
... ... @@ -823,8 +823,10 @@
823 823  AT+PWORD  :  Serial Access Password
824 824  
825 825  
950 +
826 826  = ​5.  FAQ =
827 827  
953 +
828 828  == 5.1 ​ How to Upgrade Firmware ==
829 829  
830 830  
... ... @@ -841,8 +841,10 @@
841 841  )))
842 842  
843 843  
970 +
844 844  = 6.  Trouble Shooting =
845 845  
973 +
846 846  == 6.1  ​Connection problem when uploading firmware ==
847 847  
848 848  
... ... @@ -855,20 +855,17 @@
855 855  
856 856  )))
857 857  
986 +
858 858  == 6.2  AT Command input doesn't work ==
859 859  
860 860  
861 861  (((
862 862  In the case if user can see the console output but can't type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn't send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
992 +
993 +
863 863  )))
864 864  
865 865  
866 -== 6.3 Not able to connect to NB-IoT network and keep showing "Signal Strength:99". ==
867 -
868 -
869 -This means sensor is trying to join the NB-IoT network but fail. Please see this link for **//[[trouble shooting for signal strenght:99>>doc:Main.CSQ\:99,99.WebHome]]//**.
870 -
871 -
872 872  = 7. ​ Order Info =
873 873  
874 874  
... ... @@ -875,6 +875,11 @@
875 875  Part Number**:** (% style="color:#4f81bd" %)**NSDDS75**
876 876  
877 877  
1003 +(% class="wikigeneratedid" %)
1004 +(((
1005 +
1006 +)))
1007 +
878 878  = 8.  Packing Info =
879 879  
880 880  (((
... ... @@ -889,6 +889,7 @@
889 889  (((
890 890  
891 891  
1022 +
892 892  (% style="color:#037691" %)**Dimension and weight**:
893 893  
894 894  * Device Size: 13.0 x 5 x 4.5 cm
... ... @@ -900,6 +900,7 @@
900 900  (((
901 901  
902 902  
1034 +
903 903  
904 904  )))
905 905  
... ... @@ -907,5 +907,4 @@
907 907  
908 908  
909 909  * Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
910 -
911 911  * Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]]
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