Last modified by Mengting Qiu on 2024/04/02 16:44
<
From version < 125.2 >
edited by Xiaoling
on 2022/09/09 15:51
To version < 129.34 >
edited by Xiaoling
on 2022/12/30 11:21
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -17,7 +17,6 @@
17 17  
18 18  = 1.  Introduction =
19 19  
20 -
21 21  == 1.1 ​ What is N95S31B NB-IoT Sensor Node ==
22 22  
23 23  (((
... ... @@ -111,8 +111,6 @@
111 111  ​
112 112  
113 113  
114 -
115 -
116 116  == 1.5  Pin Definitions & Switch ==
117 117  
118 118  
... ... @@ -122,7 +122,6 @@
122 122  [[image:image-20220709144723-1.png]]
123 123  
124 124  
125 -
126 126  === 1.5.1 Jumper JP2 ===
127 127  
128 128  
... ... @@ -129,20 +129,18 @@
129 129  Power on Device when put this jumper.
130 130  
131 131  
132 -
133 133  === 1.5.2 BOOT MODE / SW1 ===
134 134  
135 135  
136 136  (((
137 -1) ISP: upgrade mode, device won't have any signal in this mode. but ready for upgrade firmware. LED won't work. Firmware won't run.
132 +**1) ISP: ** upgrade mode, device won't have any signal in this mode. but ready for upgrade firmware. LED won't work. Firmware won't run.
138 138  )))
139 139  
140 140  (((
141 -2) Flash: work mode, device starts to work and send out console output for further debug
136 +**2) Flash:**  work mode, device starts to work and send out console output for further debug
142 142  )))
143 143  
144 144  
145 -
146 146  === 1.5.3 Reset Button ===
147 147  
148 148  
... ... @@ -149,20 +149,18 @@
149 149  Press to reboot the device.
150 150  
151 151  
152 -
153 153  === 1.5.4 LED ===
154 154  
155 155  
156 156  It will flash:
157 157  
158 -1. When boot the device in flash mode
159 -1. Send an uplink packet
151 +1.  When boot the device in flash mode
160 160  
153 +2.  Send an uplink packet
161 161  
162 162  
163 163  = 2.  Use N95S31B to communicate with IoT Server =
164 164  
165 -
166 166  == 2.1  How it works ==
167 167  
168 168  
... ... @@ -188,7 +188,6 @@
188 188  
189 189  == 2.2 ​ Configure the N95S31B ==
190 190  
191 -
192 192  === 2.2.1  Power On N95S31B ===
193 193  
194 194  
... ... @@ -195,10 +195,9 @@
195 195  [[image:image-20220709150546-2.png]]
196 196  
197 197  
189 +=== 2.2.2 Test Requirement ===
198 198  
199 -=== 2.2.1 Test Requirement ===
200 200  
201 -
202 202  (((
203 203  To use N95S31B in your city, make sure meet below requirements:
204 204  )))
... ... @@ -245,7 +245,6 @@
245 245  [[image:1657350625843-586.png]]
246 246  
247 247  
248 -
249 249  === 2.2.3  Insert SIM card ===
250 250  
251 251  
... ... @@ -261,7 +261,6 @@
261 261  [[image:1657351240556-536.png]]
262 262  
263 263  
264 -
265 265  === 2.2.4  Connect USB – TTL to N95S31B to configure it ===
266 266  
267 267  
... ... @@ -276,13 +276,13 @@
276 276  [[image:1657351312545-300.png]]
277 277  
278 278  
279 -**Connection:**
267 +(% style="color:blue" %)**Connection:**
280 280  
281 - (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
269 + (% style="background-color:yellow" %)**USB TTL GND <~-~-~-~-> GND**
282 282  
283 - (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD
271 +**~ (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD(%%)**
284 284  
285 - (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD
273 +**~ (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD(%%)**
286 286  
287 287  
288 288  In the PC, use below serial tool settings:
... ... @@ -305,7 +305,6 @@
305 305  )))
306 306  
307 307  
308 -
309 309  === 2.2.5  Use CoAP protocol to uplink data ===
310 310  
311 311  
... ... @@ -320,10 +320,10 @@
320 320  (% style="color:blue" %)**AT+PRO=1**  (%%) ~/~/ Set to use CoAP protocol to uplink
321 321  )))
322 322  * (((
323 -(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/ to set CoAP server address and port
310 +(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/ to set CoAP server address and port
324 324  )))
325 325  * (((
326 -(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/Set COAP resource path
313 +(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/  Set COAP resource path
327 327  )))
328 328  
329 329  (((
... ... @@ -342,7 +342,6 @@
342 342  [[image:1657352185396-303.png]]
343 343  
344 344  
345 -
346 346  === 2.2.6  Use UDP protocol to uplink data(Default protocol) ===
347 347  
348 348  
... ... @@ -356,19 +356,18 @@
356 356  [[image:1657352403317-397.png]]
357 357  
358 358  
359 -
360 360  === 2.2.7  Use MQTT protocol to uplink data ===
361 361  
362 362  
363 363  N95S31B supports only plain MQTT now it doesn't support TLS and other related encryption.
364 364  
365 -* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/Set to use MQTT protocol to uplink
366 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/Set MQTT server address and port
367 -* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/Set up the CLIENT of MQTT
368 -* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/Set the username of MQTT
369 -* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/Set the password of MQTT
370 -* (% style="color:blue" %)**AT+PUBTOPIC=f9527                               **(%%)~/~/Set the sending topic of MQTT
371 -* (% style="color:blue" %)**AT+SUBTOPIC=Ns9527          **(%%) ~/~/Set the subscription topic of MQTT
350 +* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/  Set to use MQTT protocol to uplink
351 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/  Set MQTT server address and port
352 +* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/  Set up the CLIENT of MQTT
353 +* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/  Set the username of MQTT
354 +* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/  Set the password of MQTT
355 +* (% style="color:blue" %)**AT+PUBTOPIC=f9527                               **(%%)~/~/  Set the sending topic of MQTT
356 +* (% style="color:blue" %)**AT+SUBTOPIC=Ns9527          **(%%) ~/~/  Set the subscription topic of MQTT
372 372  
373 373  [[image:1657352634421-276.png]]
374 374  
... ... @@ -386,7 +386,6 @@
386 386  )))
387 387  
388 388  
389 -
390 390  === 2.2.8  Use TCP protocol to uplink data ===
391 391  
392 392  
... ... @@ -401,7 +401,6 @@
401 401  [[image:1657352914475-252.png]]
402 402  
403 403  
404 -
405 405  === 2.2.9  Change Update Interval ===
406 406  
407 407  
... ... @@ -422,7 +422,6 @@
422 422  )))
423 423  
424 424  
425 -
426 426  == 2.3  Uplink Payload ==
427 427  
428 428  
... ... @@ -465,13 +465,11 @@
465 465  **By default, the device will send an uplink message every 1 hour.**
466 466  
467 467  
468 -
469 469  
470 470  )))
471 471  
472 472  === 2.3.1  Payload Analyze ===
473 473  
474 -
475 475  ==== 2.3.1.1  Before Firmware v1.2 ====
476 476  
477 477  
... ... @@ -478,11 +478,9 @@
478 478  N95S31B uplink payload includes in total 21 bytes
479 479  
480 480  
481 -(% border="2" cellspacing="10" style="background-color:#ffffcc; color:green; width:760px" %)
482 -|=(% style="width: 60px;" %)(((
483 -**Size(bytes)**
484 -)))|=(% style="width: 65px;" %)**6**|=(% style="width: 50px;" %)2|=(% style="width: 25px;" %)**2**|=(% style="width: 75px;" %)**1**|=(% style="width: 59px;" %)1|=(% style="width: 174px;" %)5|=(% style="width: 106px;" %)**2**|=(% style="width: 85px;" %)**2**
485 -|(% style="width:97px" %)**Value**|(% style="width:65px" %)[[Device ID>>||anchor="H2.3.2A0DeviceID"]]|(% style="width:50px" %)[[Ver>>||anchor="H2.3.3A0VersionInfo"]]|(% style="width:46px" %)[[BAT>>||anchor="H2.3.4A0BatteryInfo"]]|(% style="width:75px" %)[[Signal Strength>>||anchor="H2.3.5A0SignalStrength"]]|(% style="width:59px" %)MOD 0X01|(% style="width:174px" %)(((
461 +(% border="1" style="background-color:#ffffcc; color:green; width:520px" %)
462 +|=(% style="width: 50px;" %)**Size(bytes)**|=(% style="width: 45px;" %)**6**|=(% style="width: 25px;" %)2|=(% style="width: 25px;" %)**2**|=(% style="width: 65px;" %)**1**|=(% style="width: 50px;" %)1|=(% style="width: 120px;" %)5|=(% style="width: 70px;" %)**2**|=(% style="width: 70px;" %)**2**
463 +|(% style="width:97px" %)**Value**|(% style="width:65px" %)[[Device ID>>||anchor="H2.3.2A0DeviceID"]]|(% style="width:50px" %)[[Ver>>||anchor="H2.3.3A0VersionInfo"]]|(% style="width:46px" %)[[BAT>>||anchor="H2.3.4A0BatteryInfo"]]|(% style="width:75px" %)[[Signal Strength>>||anchor="H2.3.5A0SignalStrength"]]|(% style="width:59px" %)MOD 0X01|(% style="width:162px" %)(((
486 486  (((
487 487  Reserve/ Same as NBSN95 CFGMOD=1
488 488  )))
... ... @@ -490,7 +490,7 @@
490 490  (((
491 491  No function here.
492 492  )))
493 -)))|(% style="width:106px" %)(((
471 +)))|(% style="width:102px" %)(((
494 494  (((
495 495  [[Temperature >>||anchor="H2.3.6A0Temperature26Humidity"]]
496 496  )))
... ... @@ -498,7 +498,7 @@
498 498  (((
499 499  By SHT31
500 500  )))
501 -)))|(% style="width:85px" %)(((
479 +)))|(% style="width:81px" %)(((
502 502  (((
503 503  [[Humidity>>||anchor="H2.3.6A0Temperature26Humidity"]]
504 504  )))
... ... @@ -520,24 +520,26 @@
520 520  [[image:1657354294009-643.png]]
521 521  
522 522  
523 -The payload is ASCII string, representative same HEX: 0x724031607457006e0ccd1b0100dc000ccc00e10186 where:
501 +The payload is ASCII string, representative same HEX: (% style="background-color:yellow" %)**0x724031607457 006e 0ccd 1b 01 00dc000ccc 00e1 0186**
524 524  
525 -* Device ID:  0x724031607457 = 724031607457
503 +**where:**
526 526  
527 -* Version:  0x006e=110=1.1.0
505 +* (% style="color:#037691" %)**Device ID:** (%%) 0x724031607457 = 724031607457
528 528  
529 -* BAT:  0x0ccd = 3277 mV = 3.277V
507 +* (% style="color:#037691" %)**Version: **(%%) 0x006e=110=1.1.0
530 530  
531 -* Signal:  0x1b = 27
509 +* (% style="color:#037691" %)**BAT:**   (%%) 0x0ccd = 3277 mV = 3.277V
532 532  
533 -* Model:  0x01 = 1
511 +* (% style="color:#037691" %)**Signal:** (%%) 0x1b = 27
534 534  
535 -* 0x00dc000ccc= reserve, ignore in N95S31B
513 +* (% style="color:#037691" %)**Model:** (%%) 0x01 = 1
536 536  
537 -* Temperature by SHT31:  0x00e1 = 225 = 22.5 °C
515 +* (% style="color:#037691" %)**0x00dc000ccc= reserve, ignore in N95S31B**
538 538  
539 -* Humidity by SHT31:  0x0186 = 390 = 39.0 %rh
517 +* (% style="color:#037691" %)**Temperature by SHT31:** (%%) 0x00e1 = 225 = 22.5 °C
540 540  
519 +* (% style="color:#037691" %)**Humidity by SHT31:**  (%%) 0x0186 = 390 = 39.0 %rh
520 +
541 541  (((
542 542  
543 543  
... ... @@ -547,35 +547,58 @@
547 547  
548 548  ==== 2.3.1.2 Since Firmware v1.2 ====
549 549  
530 +
550 550  In this mode, uplink payload includes 91 bytes in total by default.
551 551  
552 552  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.
553 553  
554 -|**Size(bytes)**|**8**|2|2|1|1|2|1|2|2|2|4|2|2|4
555 -|**Value**|Device ID|Ver|BAT|Signal Strength|MOD|TemDS18B20|Interrupt|ADC|SHTTEM|SHTHUM|Time stamp |SHTTEM|SHTHUM|Time stamp .....
556 556  
536 +(% border="1" style="background-color:#ffffcc; color:green; width:520px" %)
537 +|=(% scope="row" style="width: 50px;" %)**Size(bytes)**|(% style="width:40px" %)**8**|(% style="width:20px" %)**2**|(% style="width:20px" %)**2**|(% style="width:30px" %)**1**|(% style="width:20px" %)**1**|(% style="width:55px" %)**2**|(% style="width:35px" %)**1**|(% style="width:20px" %)**2**|(% style="width:40px" %)**2**|(% style="width:40px" %)**2**|(% style="width:30px" %)**4**|(% style="width:40px" %)**2**|(% style="width:40px" %)**2**|(% style="width:35px" %)**4**
538 +|=(% style="width: 95px;" %)**Value**|(% style="width:82px" %)Device ID|(% style="width:43px" %)Ver|(% style="width:47px" %)BAT|(% style="width:124px" %)Signal Strength|(% style="width:56px" %)MOD|(% style="width:109px" %)TemDS18B20|(% style="width:80px" %)Interrupt|(% style="width:51px" %)ADC|(% style="width:79px" %)SHTTEM|(% style="width:84px" %)SHTHUM|(% style="width:100px" %)Time stamp |(% style="width:76px" %)SHTTEM|(% style="width:81px" %)SHTHUM|(% style="width:121px" %)Time stamp .....
539 +
557 557  If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the N95S31B uplink data.
558 558  
542 +
559 559  [[image:image-20220908154949-1.png]]
560 560  
545 +
561 561  The payload is ASCII string, representative same HEX:
562 562  
563 -0x(% style="color:red" %)f868411056758782(% style="color:blue" %)000c(% style="color:green" %)0d0f(% style="color:red" %)0c(% style="color:blue" %)01(% style="color:green" %)0000(% style="color:red" %)00**//0030//**(% style="color:blue" %)**//0114//**(% style="color:red" %)**//0231//**(% style="color:green" %)**//63199d3c//**0113023163199d12//**0113023163199c5e**//0112023763199baa//**0112023263199af6**//0111023b631999a7//**0112023b631998f3**//011202426319983f//**01110242631996eb**//(%%) where:
548 +**0x (% style="color:red" %)__f868411056758782__ (% style="color:blue" %)__000c__ (% style="color:green" %)__0d0f__ (% style="color:#00b0f0" %)__0c__ (% style="color:#7030a0" %)__01__ (% style="color:#d60093" %)__0000__ (% style="color:#a14d07" %)__00__ __0030__ (% style="color:#0020b0" %)__0114__ (% style="color:#420042" %)__0231__ (% style="color:#663300" %)__63199d3c__ (%%)__0113023163199d12__ __0113023163199c5e__// //__0112023763199baa__ __0112023263199af6__// //__0111023b631999a7__ **
564 564  
565 -* (% style="color:red" %) Device ID: f868411056758782 = f868411056758782
566 -* (% style="color:blue" %) Version: 0x000c=120=1.2
567 -* (% style="color:green" %) BAT: 0x0d0f = 3343 mV = 3.343V
568 -* (% style="color:red" %) Singal: 0x0c = 12
569 -* (% style="color:blue" %) Mod: 0x01 = 1
570 -* TemDS18B20: 0x0000= 0 = 0
571 -* (% style="color:green" %)Interrupt: 0x00= 0
572 -* (% style="color:green" %)adc: 0x0030= 48
573 -* SHTTEM: 0x0114= 276 = 27.6
574 -* SHTHUM:0x0231 =561=56.1%
575 -* (% style="color:red" %) Time stamp : 0x6315537b =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
576 -* (% style="color:red" %)SHTTEM,SHTHUM,Time stamp : 0113023163199d12
577 -* 8 sets of recorded data: SHTTEM,SHTHUM,Time stamp : //**0113023163199c5e**//,.......
550 +**__0112023b631998f3__// //__011202426319983f__ __01110242631996eb__**
578 578  
552 +**where:**
553 +
554 +* (% style="color:#037691" %)**Device ID:**(%%) f868411056758782 = f868411056758782
555 +
556 +* (% style="color:#037691" %)**Version:** (%%)0x000c=120=1.2
557 +
558 +* (% style="color:#037691" %)**BAT:**      (%%)0x0d0f = 3343 mV = 3.343V
559 +
560 +* (% style="color:#037691" %)**Singal:**(%%)  0x0c = 12
561 +
562 +* (% style="color:#037691" %)**Mod:**(%%)  0x01 = 1
563 +
564 +* (% style="color:#037691" %)**TemDS18B20:**(%%)  0x0000= 0 = 0
565 +
566 +* (% style="color:#037691" %)**Interrupt:**  (%%)0x00= 0
567 +
568 +* (% style="color:#037691" %)**adc:**(%%)  0x0030= 48
569 +
570 +* (% style="color:#037691" %)**SHTTEM:**(%%)  0x0114= 276 = 27.6
571 +
572 +* (% style="color:#037691" %)**SHTHUM:**(%%)  0x0231 =561=56.1%
573 +
574 +* (% style="color:#037691" %)**Time stamp :  **(%%)0x63199d3c =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
575 +
576 +* (% style="color:#037691" %)**SHTTEM,SHTHUM,Time stamp :**(%%)  0113023163199d12
577 +
578 +* (% style="color:#037691" %)**8 sets of recorded data:**(%%)** **SHTTEM,SHTHUM,Time stamp : 0113023163199c5e, .......
579 +
580 +
581 +
579 579  === 2.3.2  Device ID ===
580 580  
581 581  
... ... @@ -585,10 +585,12 @@
585 585  
586 586  (((
587 587  User can use (% style="color:blue" %)**AT+DEUI**(%%) to set Device ID
591 +
592 +
588 588  )))
589 589  
590 590  (((
591 -**Example:**
596 +(% style="color:blue" %)**Example:**
592 592  )))
593 593  
594 594  (((
... ... @@ -596,20 +596,21 @@
596 596  )))
597 597  
598 598  (((
599 -The Device ID is stored in a none-erase area, Upgrade the firmware or run **AT+FDR** won't erase Device ID.
604 +The Device ID is stored in a none-erase area, Upgrade the firmware or run (% style="color:blue" %)**AT+FDR**(%%) won't erase Device ID.
600 600  
601 601  
602 602  )))
603 603  
604 -(% style="color:red" %)**NOTE:When the firmware version is v1.2 and later firmware:**
609 +(% style="color:red" %)**NOTE: When the firmware version is v1.2 and later firmware:**
605 605  
606 606  
607 607  By default, the Device ID equal to the last 15 bits of IMEI.
608 608  
609 -User can use **AT+DEUI** to set Device ID
614 +User can use ** (% style="color:blue" %)AT+DEUI(%%)** to set Device ID
610 610  
611 -**Example:**
612 612  
617 +(% style="color:blue" %)**Example:**
618 +
613 613  AT+DEUI=868411056754138
614 614  
615 615  
... ... @@ -640,7 +640,6 @@
640 640  
641 641  )))
642 642  
643 -
644 644  === 2.3.4  Battery Info ===
645 645  
646 646  
... ... @@ -653,7 +653,6 @@
653 653  )))
654 654  
655 655  
656 -
657 657  === 2.3.5  Signal Strength ===
658 658  
659 659  
... ... @@ -686,7 +686,6 @@
686 686  )))
687 687  
688 688  
689 -
690 690  === 2.3.6  Temperature & Humidity ===
691 691  
692 692  
... ... @@ -705,7 +705,6 @@
705 705  Humidity:    Read:0295(H)=661(D)    Value:  661 / 10=66.1, So 66.1%
706 706  
707 707  
708 -
709 709  == 2.4  Downlink Payload ==
710 710  
711 711  
... ... @@ -758,12 +758,15 @@
758 758  )))
759 759  
760 760  
761 -== 2.5 Humidity and Temperature alarm function ==
763 +== 2.5  Humidity and Temperature alarm function ==
762 762  
763 -➢ AT Command:
764 764  
765 -AT+ SHHUM=min,max
766 +**~ (% style="color:blue" %)➢ AT Command:(%%)**
766 766  
768 +
769 +(% style="color:#037691" %)**AT+ SHHUM=min,max**
770 +
771 +
767 767  ² When min=0, and max≠0, Alarm higher than max
768 768  
769 769  ² When min≠0, and max=0, Alarm lower than min
... ... @@ -770,12 +770,13 @@
770 770  
771 771  ² When min≠0 and max≠0, Alarm higher than max or lower than min
772 772  
773 -Example:
774 774  
779 + (% style="color:blue" %)**Example:**
780 +
775 775  AT+ SHHUM=50,80 ~/~/ Alarm when humidity lower than 50.
776 776  
777 777  
778 -AT+ SHTEMP=min,max
784 +(% style="color:#037691" %)**AT+ SHTEMP=min,max**
779 779  
780 780  ² When min=0, and max≠0, Alarm higher than max
781 781  
... ... @@ -783,31 +783,38 @@
783 783  
784 784  ² When min≠0 and max≠0, Alarm higher than max or lower than min
785 785  
786 -Example:
787 787  
793 +**~ (% style="color:blue" %)Example:(%%)**
794 +
788 788  AT+ SHTEMP=20,30 ~/~/ Alarm when temperature lower than 20.
789 789  
797 +
790 790  == 2.6 Set the number of data to be uploaded and the recording time ==
791 791  
792 -➢ AT Command:
793 793  
794 -AT+TR=900  ~/~/The unit is seconds, and the default is to record data once every 900 seconds.( The minimum can be set to 180 seconds)
801 +**~ (% style="color:blue" %)➢ AT Command:(%%)**
795 795  
796 -AT+NOUD=8  ~/~/The device uploads 8 sets of recorded data by default. Up to 32 sets of record data can be uploaded.
803 +* (% style="color:#037691" %)**AT+TR=900**     (%%)~/~/  The unit is seconds, and the default is to record data once every 900 seconds.( The minimum can be set to 180 seconds)
804 +* (% style="color:#037691" %)**AT+NOUD=8**  (%%)~/~/  The device uploads 8 sets of recorded data by default. Up to 32 sets of record data can be uploaded.
797 797  
806 + The diagram below explains the relationship between TR, NOUD, and TDC more clearly**:**
807 +
808 +[[image:image-20221009001045-1.png||height="726" width="1009"]]
809 +
810 +
798 798  == 2.7 Read or Clear cached data ==
799 799  
800 -➢ AT Command:
801 801  
802 -AT+CDP ~/~/ Read cached data
814 +**~ (% style="color:blue" %)➢ AT Command:(%%)**
803 803  
816 +* (% style="color:#037691" %)**AT+CDP**  (%%) ~/~/ Read cached data
817 +* (% style="color:#037691" %)**AT+CDP=0** (%%) ~/~/  Clear cached data
818 +
804 804  [[image:image-20220908163102-2.png]]
805 805  
806 -AT+CDP=0 ~/~/ Clear cached data
807 807  
808 808  == 2.8  ​Battery Analysis ==
809 809  
810 -
811 811  === 2.8.1  ​Battery Type ===
812 812  
813 813  
... ... @@ -832,7 +832,6 @@
832 832  )))
833 833  
834 834  
835 -
836 836  === 2.8.2  Power consumption Analyze ===
837 837  
838 838  
... ... @@ -844,7 +844,6 @@
844 844  
845 845  )))
846 846  
847 -
848 848  === 2.8.3  ​Battery Note ===
849 849  
850 850  
... ... @@ -853,7 +853,6 @@
853 853  )))
854 854  
855 855  
856 -
857 857  === 2.8.4  Replace the battery ===
858 858  
859 859  
... ... @@ -867,7 +867,6 @@
867 867  )))
868 868  
869 869  
870 -
871 871  = 3. ​ Access NB-IoT Module =
872 872  
873 873  
... ... @@ -884,10 +884,8 @@
884 884  [[image:1657333200519-600.png]]
885 885  
886 886  
887 -
888 888  = 4.  Using the AT Commands =
889 889  
890 -
891 891  == 4.1  Access AT Commands ==
892 892  
893 893  
... ... @@ -981,10 +981,8 @@
981 981  AT+PWORD  : Serial Access Password
982 982  
983 983  
984 -
985 985  = ​5.  FAQ =
986 986  
987 -
988 988  == 5.1 ​ How to Upgrade Firmware ==
989 989  
990 990  
... ... @@ -1005,10 +1005,8 @@
1005 1005  )))
1006 1006  
1007 1007  
1008 -
1009 1009  = 6.  Trouble Shooting =
1010 1010  
1011 -
1012 1012  == 6.1  ​Connection problem when uploading firmware ==
1013 1013  
1014 1014  
... ... @@ -1021,7 +1021,6 @@
1021 1021  
1022 1022  )))
1023 1023  
1024 -
1025 1025  == 6.2  AT Command input doesn't work ==
1026 1026  
1027 1027  
... ... @@ -1031,7 +1031,6 @@
1031 1031  
1032 1032  )))
1033 1033  
1034 -
1035 1035  = 7. ​ Order Info =
1036 1036  
1037 1037  
... ... @@ -1038,11 +1038,6 @@
1038 1038  Part Number**:** (% style="color:#4f81bd" %)**N95S31B-YY**
1039 1039  
1040 1040  
1041 -(% class="wikigeneratedid" %)
1042 -(((
1043 -
1044 -)))
1045 -
1046 1046  = 8.  Packing Info =
1047 1047  
1048 1048  (((
... ... @@ -1068,7 +1068,6 @@
1068 1068  (((
1069 1069  
1070 1070  
1071 -
1072 1072  
1073 1073  )))
1074 1074  
... ... @@ -1077,3 +1077,8 @@
1077 1077  
1078 1078  * 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.
1079 1079  * 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]]
1075 +
1076 +
1077 +
1078 +
1079 +
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