Last modified by kai on 2024/09/06 10:00
<
From version < 60.2 >
edited by Xiaoling
on 2023/03/27 13:50
To version < 52.11 >
edited by Xiaoling
on 2022/09/19 15:00
>
Change comment: There is no comment for this version

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Content
... ... @@ -14,6 +14,7 @@
14 14  
15 15  (((
16 16  **This page shows the common commands since Dragino LoRaWAN stack DR-LWS-005. Make sure the end node support stack higher than DR-LWS-005 before checking this page.**
17 +
17 17  
18 18  
19 19  )))
... ... @@ -21,15 +21,15 @@
21 21  = 2. How to use AT Commands or Downlink command =
22 22  
23 23  
24 -* **AT Command** : See Devices User Manual for how to connect to device via USB TTL adapter and use. The user manual can be found in each product page of [[Dragino Official Website>>url:http://www.dragino.com/]]
25 -* **LoRaWAN Downlink Command**: The gateway transfer downlink command in HEX format. This page shows the Downlink Command In HEX format. Please note some LoRaWAN servers use base64 as downlink code so user need to convert HEX to Base64 and use. Below are references for how to use downlink command:
25 +* For AT Command , See Devices User Manual for Device. The user manual can be found in each product page of [[Dragino Official Website>>url:http://www.dragino.com/]]
26 +* For LoRaWAN Downlink: The gateway transfer downlink command in HEX format. This page shows the HEX format downlink code for each command. but some servers use base64 as downlink code. Below are reference for how to use downlink command:
26 26  ** Use HEX format to send a downlink: [[TTN v3>>Notes for TTN]]
27 -** Use Base64 format to send a downlink: [[Chirpstack>>Notes for ChirpStack]], [[How to Convert>>http://wiki.dragino.com/xwiki/bin/view/Main/Notes%20for%20ChirpStack/#H4.1ConvertHEXtoBase64]]?
28 +** Use Base64 format to send a downlink: [[Chirpstack>>Notes for ChirpStack]]
28 28  ** See use note for more serves [[Servers Note>>doc:Main.WebHome]](IoT LoRaWAN Server)
29 29  
30 -(% style="display:none" %) (%%)
31 31  
32 32  
33 +
33 33  = 3. Support End Node and firmware version =
34 34  
35 35  
... ... @@ -104,8 +104,12 @@
104 104  )))
105 105  )))
106 106  
108 +
109 +
110 +
107 107  = 4. System Management Commands =
108 108  
113 +
109 109  == 4.1 Change Uplink Interval ==
110 110  
111 111  
... ... @@ -141,6 +141,9 @@
141 141  * **Example 1**: Downlink Payload:** 0100001E**  ~/~/ Set Transmit Interval (TDC) = 30 seconds
142 142  * **Example 2**: Downlink Payload:** 0100003C**  ~/~/ Set Transmit Interval (TDC) = 60 seconds
143 143  
149 +
150 +
151 +
144 144  == 4.2 Reboot End Node ==
145 145  
146 146  
... ... @@ -175,6 +175,7 @@
175 175  (((
176 176  If the downlink payload=**04FF**, the end node will reboot.
177 177  
186 +
178 178  
179 179  )))
180 180  
... ... @@ -214,6 +214,7 @@
214 214  )))
215 215  
216 216  
226 +
217 217  == 4.4 Show Firmware Version ==
218 218  
219 219  
... ... @@ -244,6 +244,7 @@
244 244  (((
245 245  
246 246  
257 +
247 247  **xx: Software Type:**
248 248  )))
249 249  
... ... @@ -277,6 +277,7 @@
277 277  firmware version: v1.1.0 ~-~-> 110
278 278  
279 279  
291 +
280 280  == 4.5 Show System Configure ==
281 281  
282 282  
... ... @@ -302,8 +302,12 @@
302 302  OK
303 303  )))
304 304  
317 +
318 +
319 +
305 305  = 5. Keys, IDs and EUIs management =
306 306  
322 +
307 307  == 5.1 Application EUI ==
308 308  
309 309  
... ... @@ -320,6 +320,9 @@
320 320  )))
321 321  |(% style="width:305px" %)AT+APPEUI=00 b3 d5 7e f0 00 4d 34|(% style="width:186px" %)Set the Application EUI|(% style="width:191px" %)OK
322 322  
339 +
340 +
341 +
323 323  == 5.2 Application Key ==
324 324  
325 325  
... ... @@ -336,6 +336,9 @@
336 336  )))
337 337  |(% style="width:441px" %)AT+APPKEY=00 35 55 55 22 23 55 53 43 24 23 42 34 35 35 35|(% style="width:180px" %)Set the Application Key|(% style="width:350px" %)OK
338 338  
358 +
359 +
360 +
339 339  == 5.3 Application Session Key ==
340 340  
341 341  
... ... @@ -354,6 +354,9 @@
354 354  OK
355 355  )))
356 356  
379 +
380 +
381 +
357 357  == 5.4 Device Address ==
358 358  
359 359  
... ... @@ -372,6 +372,9 @@
372 372  )))
373 373  |(% style="width:192px" %)AT+DADDR=A8 40 41 FF|(% style="width:241px" %)Set the Application Session Key.|(% style="width:359px" %)OK
374 374  
400 +
401 +
402 +
375 375  == 5.5 Device EUI ==
376 376  
377 377  
... ... @@ -390,6 +390,9 @@
390 390  OK
391 391  )))
392 392  
421 +
422 +
423 +
393 393  == 5.6 Network ID ==
394 394  
395 395  
... ... @@ -406,6 +406,9 @@
406 406  )))
407 407  |(% style="width:191px" %)AT+NWKID=A8 40 41 FF|(% style="width:153px" %)Set the Network ID.|(% style="width:101px" %)OK
408 408  
440 +
441 +
442 +
409 409  == 5.7 Network Session Key ==
410 410  
411 411  
... ... @@ -422,10 +422,15 @@
422 422  )))
423 423  |(% style="width:455px" %)AT+NWKSKEY=A8 40 41 FF FF 12 34 56 00 01 02 04 05 06 06 07|(% style="width:215px" %)Set the Network Session Key.|(% style="width:343px" %)OK
424 424  
459 +
460 +
461 +
425 425  = 6. Joining and sending date on LoRaWAN network =
426 426  
464 +
427 427  == 6.1 Confirm Mode ==
428 428  
467 +
429 429  === 6.1.1  AT+CFM command before DR-LWS007 software stack ===
430 430  
431 431  
... ... @@ -443,6 +443,8 @@
443 443  |(% style="width:155px" %)AT+CFM=1|(% style="width:205px" %)Set the confirmation mode|(% style="width:346px" %)OK
444 444  |(% style="width:155px" %)AT+CFM=2|(% style="width:205px" %)Set the confirmation mode|(% style="width:346px" %)While Error in format, return AT_PARAM_ERROR
445 445  
485 +
486 +
446 446  (% style="color:blue" %)**Downlink Command: 0x05**
447 447  
448 448  Format: Command Code (0x05) followed by 2 bytes mode value.
... ... @@ -452,6 +452,9 @@
452 452  * **Example 1:** Downlink Payload: 0501  ~/~/ Set AT+CFM=1
453 453  * **Example 2:** Downlink Payload: 0500  ~/~/ Set AT+CFM=0
454 454  
496 +
497 +
498 +
455 455  === 6.1.2  AT+CFM command since DR-LWS007 software stack ===
456 456  
457 457  
... ... @@ -488,6 +488,8 @@
488 488  OK
489 489  )))
490 490  
535 +
536 +
491 491  (% style="color:blue" %)**Downlink Command: 0x05**
492 492  
493 493  Format: Command Code (0x05) followed by 2 bytes mode value.
... ... @@ -497,6 +497,9 @@
497 497  * **Example 1:** Downlink Payload: 05010101  ~/~/ Set AT+CFM=1,1,1
498 498  * **Example 2:** Downlink Payload: 05000700  ~/~/ Set AT+CFM=0,7,0
499 499  
546 +
547 +
548 +
500 500  == 6.2 Confirm Status ==
501 501  
502 502  
... ... @@ -505,13 +505,16 @@
505 505  
506 506  (% style="color:blue" %)**AT Command: AT+CFS**
507 507  
508 -(% border="1" style="background-color:#ffffcc; color:green; width:463px" %)
509 -|=(% colspan="3" style="width: 460px;" %)AT+CFS
510 -|(% style="width:156px" %)**Command Example**|(% style="width:193px" %)**Function**|(% style="width:107px" %)**Response**
511 -|(% style="width:156px" %)AT+CFS=?|(% style="width:193px" %)Get confirmation status|(% style="width:107px" %)0(((
557 +(% border="1" style="background-color:#ffffcc; color:green; width:534.222px" %)
558 +|=(% colspan="3" style="width: 531px;" %)AT+CFS
559 +|(% style="width:156px" %)**Command Example**|(% style="width:193px" %)**Function**|(% style="width:178px" %)**Response**
560 +|(% style="width:156px" %)AT+CFS=?|(% style="width:193px" %)Get confirmation status|(% style="width:178px" %)0(((
512 512  OK
513 513  )))
514 514  
564 +
565 +
566 +
515 515  == 6.3 Join LoRa® Network ==
516 516  
517 517  
... ... @@ -529,6 +529,9 @@
529 529  While Error in format, return AT_BUSY_ERROR
530 530  )))
531 531  
584 +
585 +
586 +
532 532  == 6.4 LoRa® Network Join Mode ==
533 533  
534 534  
... ... @@ -546,6 +546,8 @@
546 546  |(% style="width:162px" %)AT+NJM=0|(% style="width:227px" %)Set the Network Join Mode|(% style="width:361px" %)OK
547 547  |(% style="width:162px" %)AT+NJM=2|(% style="width:227px" %)Set the Network Join Mode|(% style="width:361px" %)While Error in format, return AT_PARAM_ERROR
548 548  
604 +
605 +
549 549  (% style="color:blue" %)**Downlink Command: 0x20**
550 550  
551 551  Format: Command Code (0x20) followed by 1 bytes mode value.
... ... @@ -555,6 +555,9 @@
555 555  * **Example 1: **Downlink Payload: **2000                  ** ~/~/ Set AT+NJM=0
556 556  * **Example 2:** Downlink Payload: **2001**  ~/~/ Set AT+NJM=1
557 557  
615 +
616 +
617 +
558 558  == 6.5 LoRa® Network Join Status ==
559 559  
560 560  
... ... @@ -570,6 +570,9 @@
570 570  OK
571 571  )))
572 572  
633 +
634 +
635 +
573 573  == 6.6 Print Last Received Data in Raw Format ==
574 574  
575 575  
... ... @@ -585,6 +585,9 @@
585 585  OK
586 586  )))
587 587  
651 +
652 +
653 +
588 588  == 6.7 Print Last Received Data in Binary Format ==
589 589  
590 590  
... ... @@ -600,6 +600,9 @@
600 600  OK
601 601  )))
602 602  
669 +
670 +
671 +
603 603  == 6.8 Send Text Data ==
604 604  
605 605  
... ... @@ -619,6 +619,9 @@
619 619  
620 620  )))
621 621  
691 +
692 +
693 +
622 622  == 6.9 Send Hexadecimal Data ==
623 623  
624 624  
... ... @@ -637,8 +637,12 @@
637 637  
638 638  )))
639 639  
712 +
713 +
714 +
640 640  = 7. LoRaWAN network management =
641 641  
717 +
642 642  == 7.1 Adaptive Data Rate ==
643 643  
644 644  
... ... @@ -658,6 +658,8 @@
658 658  AT_PARAM_ERROR
659 659  )))
660 660  
737 +
738 +
661 661  (% style="color:blue" %)**Downlink Command: 0x22**
662 662  
663 663  If the downlink payload=2201, it means setting the adaptive data rate to 1, while type code is 22.
... ... @@ -665,6 +665,9 @@
665 665  * **Example 1**: Downlink Payload: **2201**  ~/~/ Set AT+ADR=1.
666 666  * **Example 2**: Downlink Payload: **2200FFFF**  ~/~/ Set AT+ADR=0.
667 667  
746 +
747 +
748 +
668 668  == 7.2 LoRa® Class ==
669 669  
670 670  
... ... @@ -683,6 +683,9 @@
683 683  
684 684  )))
685 685  
767 +
768 +
769 +
686 686  == 7.3 Duty Cycle Setting ==
687 687  
688 688  
... ... @@ -701,17 +701,15 @@
701 701  
702 702  )))
703 703  
704 -== 7.4 Data Rate ==
705 705  
706 706  
707 -Feature: Get or Set the Data Rate. (0-7 corresponding to DR_X) .
708 708  
709 -(% style="color:red" %)
710 -**Notice:**
791 +== 7.4 Data Rate ==
711 711  
712 -* User need to set Adaptive Data Rate(ADR)=0 first. otherwise device will respond to server's ADR command and change the DR according to server auto-adjustment.
713 -* Data Rate specifies Spreading Factor. The mapping varies in different frequency bands. User can check this link for detail. [[rp2-1.0.3-lorawan-regional-parameters.pdf>>https://lora-alliance.org/resource_hub/rp2-1-0-3-lorawan-regional-parameters/]]
714 714  
794 +Feature: Get or Set the Data Rate. (0-7 corresponding to DR_X) . Note: while set Data Rate, please use set Adptive Data Rate, ADR=0 first. otherwise device will response to server's ADR command and change the DR to the setting from server
795 +
796 +
715 715  (% style="color:blue" %)**AT Command: AT+DR**
716 716  
717 717  (% border="1" style="background-color:#ffffcc; color:green; width:466.222px" %)
... ... @@ -724,6 +724,8 @@
724 724  
725 725  )))
726 726  
809 +
810 +
727 727  (% style="color:blue" %)**Downlink Command: 0x2200aaFF**
728 728  
729 729  If the downlink payload=220001FF, it means setting the data rate to 1, while type code is 22 00 aa FF.
... ... @@ -731,6 +731,9 @@
731 731  * **Example 1**: Downlink Payload: **220001FF**  ~/~/ Set AT+DR=1.
732 732  * **Example 2**: Downlink Payload: **220000FF**  ~/~/ Set AT+DR=0.
733 733  
818 +
819 +
820 +
734 734  == 7.5 Frame Counter Downlink ==
735 735  
736 736  
... ... @@ -749,6 +749,9 @@
749 749  OK
750 750  )))
751 751  
839 +
840 +
841 +
752 752  == 7.6 Frame Counter Uplink ==
753 753  
754 754  Feature: Get or Set the Frame Counter Uplink.
... ... @@ -766,6 +766,9 @@
766 766  
767 767  )))
768 768  
859 +
860 +
861 +
769 769  == 7.7 Join Accept Delay1 ==
770 770  
771 771  
... ... @@ -784,6 +784,9 @@
784 784  
785 785  )))
786 786  
880 +
881 +
882 +
787 787  == 7.8 Join Accept Delay2 ==
788 788  
789 789  
... ... @@ -802,6 +802,9 @@
802 802  
803 803  )))
804 804  
901 +
902 +
903 +
805 805  == 7.9 Public Network Mode ==
806 806  
807 807  
... ... @@ -829,6 +829,9 @@
829 829  )))
830 830  |(% style="width:166px" %)AT+PNM=0|(% style="width:225px" %)Set to use private network autoset syncword=0x12|(% style="width:272px" %)
831 831  
931 +
932 +
933 +
832 832  == 7.10 Receive Delay1 ==
833 833  
834 834  
... ... @@ -847,6 +847,9 @@
847 847  
848 848  )))
849 849  
952 +
953 +
954 +
850 850  == 7.11 Receive Delay2 ==
851 851  
852 852  
... ... @@ -865,6 +865,9 @@
865 865  
866 866  )))
867 867  
973 +
974 +
975 +
868 868  == 7.12 Rx2 Window Data Rate ==
869 869  
870 870  
... ... @@ -883,6 +883,9 @@
883 883  
884 884  )))
885 885  
994 +
995 +
996 +
886 886  == 7.13 Rx2 Window Frequency ==
887 887  
888 888  
... ... @@ -901,6 +901,9 @@
901 901  
902 902  )))
903 903  
1015 +
1016 +
1017 +
904 904  == 7.14 Transmit Power ==
905 905  
906 906  
... ... @@ -928,6 +928,9 @@
928 928  * **Example 1**: Downlink Payload: **22000102**  ~/~/ Set AT+TXP=2.
929 929  * **Example 2**: Downlink Payload: **220000FF**  ~/~/ Set AT+TXP=0.
930 930  
1045 +
1046 +
1047 +
931 931  == 7.15 RSSI of the Last Received Packet ==
932 932  
933 933  
... ... @@ -943,6 +943,9 @@
943 943  OK
944 944  )))
945 945  
1063 +
1064 +
1065 +
946 946  == 7.16 SNR of the Last Received Packet ==
947 947  
948 948  
... ... @@ -958,6 +958,9 @@
958 958  OK
959 959  )))
960 960  
1081 +
1082 +
1083 +
961 961  == 7.17 Application Port ==
962 962  
963 963  
... ... @@ -974,6 +974,8 @@
974 974  )))
975 975  |(% style="width:157px" %)AT+PORT=21|(% style="width:204px" %)Set the application port|(% style="width:135px" %)OK
976 976  
1100 +
1101 +
977 977  (% style="color:blue" %)**Downlink Command: 0x23**
978 978  
979 979  Format: Command Code (0x23) followed by 1 bytes port value.
... ... @@ -983,6 +983,9 @@
983 983  * **Example 1**: Downlink Payload: **2301**  ~/~/ set the application port to 1
984 984  * **Example 2**: Downlink Payload:** 2305**  ~/~/ set the application port to 5
985 985  
1111 +
1112 +
1113 +
986 986  == 7.18 Single Channel Mode ==
987 987  
988 988  
... ... @@ -999,6 +999,9 @@
999 999  )))
1000 1000  |(% style="width:182px" %)AT+CHS=868100000|(% style="width:295px" %)Set Frequency for Single Channel Mode|(% style="width:122px" %)OK
1001 1001  
1130 +
1131 +
1132 +
1002 1002  == 7.19 Eight Channel Mode ==
1003 1003  
1004 1004  
... ... @@ -1017,8 +1017,10 @@
1017 1017  )))
1018 1018  |(% style="width:160px" %)AT+CHE=1|(% style="width:198px" %)Set eight channels mode|(% style="width:349px" %)OK
1019 1019  
1020 -(% style="color:blue" %)**Downlink Command: 0x24 (LHT65,LHT65N Downlink Command:0x07)**
1021 1021  
1152 +
1153 +(% style="color:blue" %)**Downlink Command: 0x24**
1154 +
1022 1022  Format: Command Code (0x24) followed by 1 bytes channel value.
1023 1023  
1024 1024  If the downlink payload=2401, it means set channel mode to 1, while type code is 24.
... ... @@ -1026,6 +1026,9 @@
1026 1026  * **Example 1**: Downlink Payload: 2401  ~/~/ set channel mode to 1
1027 1027  * **Example 2**: Downlink Payload: 2405  ~/~/ set channel mode to 5
1028 1028  
1162 +
1163 +
1164 +
1029 1029  == 7.20 Get or Set RXwindows1 timeout ==
1030 1030  
1031 1031  
... ... @@ -1057,6 +1057,7 @@
1057 1057  (((
1058 1058  Increasing thisvalue is equal to extending the time that the receiving window is opened, butthe corresponding power consumption will also increase. Properly increasingthis value can increase the success rate of the downlink.
1059 1059  
1196 +
1060 1060  
1061 1061  )))
1062 1062  
... ... @@ -1076,6 +1076,9 @@
1076 1076  )))
1077 1077  |(% style="width:190px" %)AT+RX2WTO=20|(% style="width:199px" %)Set RXwindows2 timeout|(% style="width:104px" %)OK
1078 1078  
1216 +
1217 +
1218 +
1079 1079  == 7.22 Setting up uplinkdwelltime (as923, au915) ==
1080 1080  
1081 1081  
... ... @@ -1092,6 +1092,8 @@
1092 1092  )))
1093 1093  |(% style="width:183px" %)AT+DWELLT=0|(% style="width:179px" %)Set uplinkdwelltime|(% style="width:131px" %)OK
1094 1094  
1235 +
1236 +
1095 1095  (% style="color:blue" %)**Downlink Command: 0x25**
1096 1096  
1097 1097  Format: Command Code (0x25) followed by 1 bytes state value.
... ... @@ -1101,6 +1101,9 @@
1101 1101  * **Example 1**: Downlink Payload: **2501**  ~/~/ set uplinkdwelltime to 1
1102 1102  * **Example 2**: Downlink Payload: **2500**  ~/~/ set uplinkdwelltime to 0
1103 1103  
1246 +
1247 +
1248 +
1104 1104  == 7.23 Set Packet Receiving Response Level ==
1105 1105  
1106 1106  
... ... @@ -1121,6 +1121,9 @@
1121 1121  * For Class C devices used in ChirpStack, need to set AT+RPL=4 because Chirpstack require immedietely reply message to MAC Command.
1122 1122  * For Class C devices used in TTI, need to set AT+RPL=4 because TTI require immediately reply message to Confirmed Data Down & MAC Command.
1123 1123  
1269 +
1270 +
1271 +
1124 1124  (% style="color:blue" %)**AT Command: AT+RPL**
1125 1125  
1126 1126  (% border="1" style="background-color:#ffffcc; color:green; width:536.222px" %)
... ... @@ -1131,6 +1131,8 @@
1131 1131  )))
1132 1132  |(% style="width:160px" %)AT+RPL=0|(% style="width:263px" %)Set packet receiving response level|(% style="width:109px" %)OK
1133 1133  
1282 +
1283 +
1134 1134  (% style="color:blue" %)**Downlink Command: 0x21**
1135 1135  
1136 1136  Format: Command Code (0x21) followed by 1 bytes level value.
... ... @@ -1140,6 +1140,9 @@
1140 1140  * **Example 1**: Downlink Payload: **2101**  ~/~/ set packet receiving response level to 1
1141 1141  * **Example 2**: Downlink Payload: **2102**  ~/~/ set packet receiving response level to 2
1142 1142  
1293 +
1294 +
1295 +
1143 1143  == 7.24 Controls NBTrans in unconfirmed uplink mode（LWS007 NBTrans:Set retransmission packets) ==
1144 1144  
1145 1145  
... ... @@ -1161,6 +1161,8 @@
1161 1161  OK
1162 1162  )))
1163 1163  
1317 +
1318 +
1164 1164  (% style="color:blue" %)**Downlink Command: 0x33**
1165 1165  
1166 1166  Format: Command Code (0x33) followed by 2 bytes mode value.
... ... @@ -1170,16 +1170,14 @@
1170 1170  * Example 1: Downlink Payload: 330100  ~/~/ Set AT+SETMAXNBTRANS=1,0
1171 1171  * Example 2: Downlink Payload: 330201  ~/~/ Set AT+SETMAXNBTRANS=2,1
1172 1172  
1173 -== 7.25 Device offline rejoining （LWS007) ==
1174 1174  
1175 1175  
1176 -(% style="color:blue" %)**AT Command: AT+DDETECT**
1177 1177  
1178 -AT+DDETECT=<Flag>,<ACK_Timout_1>,<ACK_Timout_2> (Default Value: AT+DDETECT=1,1440,2880)
1331 +== 7.25 Device offline rejoining （LWS007) ==
1179 1179  
1180 -* ACK_Timout_1: Unit: min
1181 -* ACK_Timout_2: Unit: min
1182 1182  
1334 +(% style="color:blue" %)**AT Command: AT+DDETECT**
1335 +
1183 1183  (% border="1" style="background-color:#ffffcc; color:green; width:710.222px" %)
1184 1184  |=(% colspan="3" style="width: 707px;" %)AT+**DDETECT**
1185 1185  |(% style="width:160px" %)**Command Example**|(% style="width:198px" %)**Function**|(% style="width:349px" %)**Response**
... ... @@ -1211,18 +1211,19 @@
1211 1211  OK
1212 1212  )))
1213 1213  
1214 -(% style="color:blue" %)**Downlink Command: 0x32**
1215 1215  
1368 +
1369 +(% style="color:blue" %)**Downlink Command: 0x33**
1370 +
1216 1216  Format: Command Code (0x32) followed by 2 bytes mode value.
1217 1217  
1218 -If the downlink payload=320105A00B40, it means set end node to use confirm mode, while type code is 32.
1373 +If the downlink payload=320105A00B40, it means set end node to use confirm mode, while type code is 33.
1219 1219  
1220 -* **Example 1:** Downlink Payload: 320105A00B40  ~/~/ Set AT+DDETECT=1,1440,2880
1221 -** 0x01 : Flag
1222 -** 0x05A0: ACK_Timout_1 : 1440minutes (24 hours)
1223 -** 0x0B40: ACK_Timout_2 : 2880minutes (48 hours)
1224 -** **Explain**: Enable Online Detect, if end node doesn't receive any downlink within ACK_Timout_1( 1440 minutes or 24 hours). End node will use confirmed uplink to send packets during ACK_Timout_1 (the 24th hour) to ACK_Timout_2 ( the 48th hour). If from the 24th to 48th hour, end node got an downlink from server, it will switch back to unconfirmed uplink. end node will restart ACK_Timout_1. If from the 24th to 48th hour, end node still not got any downlink, means device doesn't get ACK from server within last 48 hours. Device will process rejoin, rejoin request interval is AT+RJTDC period. For AU915/ US915, device will use the sub-band used for last join.
1375 +* **Example 1:** Downlink Payload: 320105A00B40  ~/~/ Set AT+DDETECT=1,1440,2880
1225 1225  
1377 +
1378 +
1379 +
1226 1226  == 7.26 Request the server to send an ACK ==
1227 1227  
1228 1228  
... ... @@ -1240,6 +1240,9 @@
1240 1240  OK
1241 1241  )))
1242 1242  
1397 +
1398 +
1399 +
1243 1243  == 7.27 Adjust network rejoining interval ==
1244 1244  
1245 1245  
... ... @@ -1248,15 +1248,17 @@
1248 1248  (% border="1" style="background-color:#ffffcc; color:green; width:727.222px" %)
1249 1249  |=(% colspan="3" style="width: 724px;" %)AT+RJTDC
1250 1250  |(% style="width:165px" %)**Command Example**|(% style="width:227px" %)**Function**|(% style="width:329px" %)**Response**
1251 -|(% style="width:165px" %)AT+RJTDC=?|(% style="width:227px" %)Show the ReJoin data transmission interval in min|(% style="width:329px" %)30(((
1408 +|(% style="width:165px" %)AT+RJTDC=?|(% style="width:227px" %)Show the ReJoin data transmission interval in min|(% style="width:329px" %)30000(((
1252 1252  OK
1253 1253  
1254 -the interval is 30 min
1411 +the interval is 30000ms = 30s
1255 1255  )))
1256 -|(% style="width:165px" %)AT+RJTDC=60|(% style="width:227px" %)Set the ReJoin data transmission interval in min|(% style="width:329px" %)OK(((
1257 -Set the ReJoin data transmission interval to 60 min
1413 +|(% style="width:165px" %)AT+RJTDC=60000|(% style="width:227px" %)Set the ReJoin data transmission interval in min|(% style="width:329px" %)OK(((
1414 +Set the ReJoin data transmission interval to 60000ms = 60 seconds
1258 1258  )))
1259 1259  
1417 +
1418 +
1260 1260  (% style="color:blue" %)**Downlink Command: 0x26**
1261 1261  
1262 1262  Format: Command Code (0x26) followed by 2 bytes mode value.
... ... @@ -1266,14 +1266,21 @@
1266 1266  * **Example 1:** Downlink Payload: 26000A  ~/~/ Set AT+RJTDC=10
1267 1267  * **Example 2: **Downlink Payload: 260002  ~/~/ Set AT+RJTDC=2
1268 1268  
1428 +
1429 +
1430 +
1269 1269  = 8. AT Commands Combination =
1270 1270  
1433 +
1271 1271  == 8.1 Set a fix RX2DR for downlink window ==
1272 1272  
1273 1273  
1274 1274  * (% style="color:blue" %)**AT+ADR=0             **(%%) **~-~->**  Disable ADR first
1275 -* (% style="color:blue" %)**AT+RX2DR=xxxx**   (%%) **~-~->**  Set xxxx to your wanted DataRate
1438 +* (% style="color:red" %)**AT+RX2DR=xxxx**   (%%) **~-~->**  Set xxxx to your wanted DataRate
1276 1276  
1440 +
1441 +
1442 +
1277 1277  == 8.2 Use Downlink Command to set a fix uplink DR ==
1278 1278  
1279 1279  

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