Last modified by kai on 2024/09/06 10:00
<
From version < 60.5 >
edited by Xiaoling
on 2023/03/27 14:01
To version < 52.12 >
edited by Xiaoling
on 2022/09/19 15:25
>
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -14,20 +14,23 @@
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 +
18 +
19 +
17 17  )))
18 18  
19 -
20 20  = 2. How to use AT Commands or Downlink command =
21 21  
22 22  
23 -* **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/]]
24 -* **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:
25 25  ** Use HEX format to send a downlink: [[TTN v3>>Notes for TTN]]
26 -** 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]]
27 27  ** See use note for more serves [[Servers Note>>doc:Main.WebHome]](IoT LoRaWAN Server)
28 28  
29 -(% style="display:none" %) (%%)
30 30  
32 +
33 +
31 31  = 3. Support End Node and firmware version =
32 32  
33 33  
... ... @@ -102,10 +102,12 @@
102 102  )))
103 103  )))
104 104  
105 -(% style="display:none" %) (%%)
106 106  
109 +
110 +
107 107  = 4. System Management Commands =
108 108  
113 +
109 109  == 4.1 Change Uplink Interval ==
110 110  
111 111  
... ... @@ -141,8 +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  
144 -(% style="display:none" %) (%%)
145 145  
150 +
151 +
146 146  == 4.2 Reboot End Node ==
147 147  
148 148  
... ... @@ -175,10 +175,12 @@
175 175  )))
176 176  
177 177  (((
178 -If the downlink payload=**04FF**, the end node will reboot.
179 -)))
184 +If the downlink payload=**04FF**, the end node will reboot.
180 180  
181 181  
187 +
188 +)))
189 +
182 182  == 4.3 Reset to factory Default ==
183 183  
184 184  
... ... @@ -215,6 +215,7 @@
215 215  )))
216 216  
217 217  
226 +
218 218  == 4.4 Show Firmware Version ==
219 219  
220 220  
... ... @@ -245,6 +245,7 @@
245 245  (((
246 246  
247 247  
257 +
248 248  **xx: Software Type:**
249 249  )))
250 250  
... ... @@ -278,6 +278,7 @@
278 278  firmware version: v1.1.0 ~-~-> 110
279 279  
280 280  
291 +
281 281  == 4.5 Show System Configure ==
282 282  
283 283  
... ... @@ -303,8 +303,12 @@
303 303  OK
304 304  )))
305 305  
317 +
318 +
319 +
306 306  = 5. Keys, IDs and EUIs management =
307 307  
322 +
308 308  == 5.1 Application EUI ==
309 309  
310 310  
... ... @@ -321,8 +321,9 @@
321 321  )))
322 322  |(% style="width:305px" %)AT+APPEUI=00 b3 d5 7e f0 00 4d 34|(% style="width:186px" %)Set the Application EUI|(% style="width:191px" %)OK
323 323  
324 -(% style="display:none" %) (%%)
325 325  
340 +
341 +
326 326  == 5.2 Application Key ==
327 327  
328 328  
... ... @@ -339,8 +339,9 @@
339 339  )))
340 340  |(% 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
341 341  
342 -(% style="display:none" %) (%%)
343 343  
359 +
360 +
344 344  == 5.3 Application Session Key ==
345 345  
346 346  
... ... @@ -359,8 +359,9 @@
359 359  OK
360 360  )))
361 361  
362 -(% style="display:none" %) (%%)
363 363  
380 +
381 +
364 364  == 5.4 Device Address ==
365 365  
366 366  
... ... @@ -379,8 +379,9 @@
379 379  )))
380 380  |(% style="width:192px" %)AT+DADDR=A8 40 41 FF|(% style="width:241px" %)Set the Application Session Key.|(% style="width:359px" %)OK
381 381  
382 -(% style="display:none" %) (%%)
383 383  
401 +
402 +
384 384  == 5.5 Device EUI ==
385 385  
386 386  
... ... @@ -399,8 +399,9 @@
399 399  OK
400 400  )))
401 401  
402 -(% style="display:none" %) (%%)
403 403  
422 +
423 +
404 404  == 5.6 Network ID ==
405 405  
406 406  
... ... @@ -417,8 +417,9 @@
417 417  )))
418 418  |(% style="width:191px" %)AT+NWKID=A8 40 41 FF|(% style="width:153px" %)Set the Network ID.|(% style="width:101px" %)OK
419 419  
420 -(% style="display:none" %) (%%)
421 421  
441 +
442 +
422 422  == 5.7 Network Session Key ==
423 423  
424 424  
... ... @@ -435,12 +435,15 @@
435 435  )))
436 436  |(% 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
437 437  
438 -(% style="display:none" %) (%%)
439 439  
460 +
461 +
440 440  = 6. Joining and sending date on LoRaWAN network =
441 441  
464 +
442 442  == 6.1 Confirm Mode ==
443 443  
467 +
444 444  === 6.1.1  AT+CFM command before DR-LWS007 software stack ===
445 445  
446 446  
... ... @@ -467,8 +467,9 @@
467 467  * **Example 1:** Downlink Payload: 0501  ~/~/ Set AT+CFM=1
468 468  * **Example 2:** Downlink Payload: 0500  ~/~/ Set AT+CFM=0
469 469  
470 -(% style="display:none" %) (%%)
471 471  
495 +
496 +
472 472  === 6.1.2  AT+CFM command since DR-LWS007 software stack ===
473 473  
474 474  
... ... @@ -514,8 +514,9 @@
514 514  * **Example 1:** Downlink Payload: 05010101  ~/~/ Set AT+CFM=1,1,1
515 515  * **Example 2:** Downlink Payload: 05000700  ~/~/ Set AT+CFM=0,7,0
516 516  
517 -(% style="display:none" %) (%%)
518 518  
543 +
544 +
519 519  == 6.2 Confirm Status ==
520 520  
521 521  
... ... @@ -524,13 +524,16 @@
524 524  
525 525  (% style="color:blue" %)**AT Command: AT+CFS**
526 526  
527 -(% border="1" style="background-color:#ffffcc; color:green; width:463px" %)
528 -|=(% colspan="3" style="width: 460px;" %)AT+CFS
529 -|(% style="width:156px" %)**Command Example**|(% style="width:193px" %)**Function**|(% style="width:107px" %)**Response**
530 -|(% style="width:156px" %)AT+CFS=?|(% style="width:193px" %)Get confirmation status|(% style="width:107px" %)0(((
553 +(% border="1" style="background-color:#ffffcc; color:green; width:534.222px" %)
554 +|=(% colspan="3" style="width: 531px;" %)AT+CFS
555 +|(% style="width:156px" %)**Command Example**|(% style="width:193px" %)**Function**|(% style="width:178px" %)**Response**
556 +|(% style="width:156px" %)AT+CFS=?|(% style="width:193px" %)Get confirmation status|(% style="width:178px" %)0(((
531 531  OK
532 532  )))
533 533  
560 +
561 +
562 +
534 534  == 6.3 Join LoRa® Network ==
535 535  
536 536  
... ... @@ -548,6 +548,9 @@
548 548  While Error in format, return AT_BUSY_ERROR
549 549  )))
550 550  
580 +
581 +
582 +
551 551  == 6.4 LoRa® Network Join Mode ==
552 552  
553 553  
... ... @@ -574,8 +574,9 @@
574 574  * **Example 1: **Downlink Payload: **2000                  ** ~/~/ Set AT+NJM=0
575 575  * **Example 2:** Downlink Payload: **2001**  ~/~/ Set AT+NJM=1
576 576  
577 -(% style="display:none" %) (%%)
578 578  
610 +
611 +
579 579  == 6.5 LoRa® Network Join Status ==
580 580  
581 581  
... ... @@ -591,8 +591,9 @@
591 591  OK
592 592  )))
593 593  
594 -(% style="display:none" %) (%%)
595 595  
628 +
629 +
596 596  == 6.6 Print Last Received Data in Raw Format ==
597 597  
598 598  
... ... @@ -608,8 +608,9 @@
608 608  OK
609 609  )))
610 610  
611 -(% style="display:none" %) (%%)
612 612  
646 +
647 +
613 613  == 6.7 Print Last Received Data in Binary Format ==
614 614  
615 615  
... ... @@ -625,8 +625,9 @@
625 625  OK
626 626  )))
627 627  
628 -(% style="display:none" %) (%%)
629 629  
664 +
665 +
630 630  == 6.8 Send Text Data ==
631 631  
632 632  
... ... @@ -640,11 +640,15 @@
640 640  |(% style="width:201px" %)**Command Example**|(% style="width:340px" %)**Function**|(% style="width:446px" %)**Response**
641 641  |(% style="width:201px" %)AT+SEND=12:hello world|(% style="width:340px" %)Send text data along with the application port.|(% style="width:446px" %)OK(((
642 642  While Error in format, return
679 +
643 643  AT_BUSY_ERROR/AT_BUSY_ERROR/AT_NO_NETWORK_JOINED
681 +
682 +
644 644  )))
645 645  
646 -(% style="display:none" %) (%%)
647 647  
686 +
687 +
648 648  == 6.9 Send Hexadecimal Data ==
649 649  
650 650  
... ... @@ -658,13 +658,17 @@
658 658  |(% style="width:257px" %)**Command Example**|(% style="width:394px" %)**Function**|(% style="width:446px" %)**Response**
659 659  |(% style="width:257px" %)AT+SENDB=12:abcdef0123456789|(% style="width:394px" %)Send hexadecimal data along with the application port.|(% style="width:446px" %)OK
660 660  |(% style="width:257px" %)AT+SENDB=abcdef0123456789|(% style="width:394px" %)Send hexadecimal data along with the application port.|(% style="width:446px" %)While Error in format, return(((
661 -AT_PARAM_ERROR AT_BUSY_ERROR/AT_NO_NETWORK_JOINED
701 +AT_PARAM_ERROR AT_BUSY_ERROR/AT_NO_NETWORK_JOINED
702 +
703 +
662 662  )))
663 663  
664 -(% style="display:none" %) (%%)
665 665  
707 +
708 +
666 666  = 7. LoRaWAN network management =
667 667  
711 +
668 668  == 7.1 Adaptive Data Rate ==
669 669  
670 670  
... ... @@ -691,8 +691,9 @@
691 691  * **Example 1**: Downlink Payload: **2201**  ~/~/ Set AT+ADR=1.
692 692  * **Example 2**: Downlink Payload: **2200FFFF**  ~/~/ Set AT+ADR=0.
693 693  
694 -(% style="display:none" %) (%%)
695 695  
739 +
740 +
696 696  == 7.2 LoRa® Class ==
697 697  
698 698  
... ... @@ -708,10 +708,12 @@
708 708  OK
709 709  )))
710 710  |(% style="width:163px" %)AT+CLASS=C|(% style="width:166px" %)Set the Device Class.|(% style="width:175px" %)OK(((
756 +
711 711  )))
712 712  
713 -(% style="display:none" %) (%%)
714 714  
760 +
761 +
715 715  == 7.3 Duty Cycle Setting ==
716 716  
717 717  
... ... @@ -727,21 +727,18 @@
727 727  OK
728 728  )))
729 729  |(% style="width:165px" %)AT+DCS=1|(% style="width:239px" %)Set the ETSI Duty Cycle setting.|(% style="width:107px" %)OK(((
777 +
730 730  )))
731 731  
732 -(% style="display:none" %) (%%)
733 733  
734 -== 7.4 Data Rate ==
735 735  
736 736  
737 -Feature: Get or Set the Data Rate. (0-7 corresponding to DR_X) .
783 +== 7.4 Data Rate ==
738 738  
739 -(% style="color:red" %)
740 -**Notice:**
741 741  
742 -* 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.
743 -* 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/]]
786 +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
744 744  
788 +
745 745  (% style="color:blue" %)**AT Command: AT+DR**
746 746  
747 747  (% border="1" style="background-color:#ffffcc; color:green; width:466.222px" %)
... ... @@ -761,8 +761,9 @@
761 761  * **Example 1**: Downlink Payload: **220001FF**  ~/~/ Set AT+DR=1.
762 762  * **Example 2**: Downlink Payload: **220000FF**  ~/~/ Set AT+DR=0.
763 763  
764 -(% style="display:none" %) (%%)
765 765  
809 +
810 +
766 766  == 7.5 Frame Counter Downlink ==
767 767  
768 768  
... ... @@ -781,6 +781,9 @@
781 781  OK
782 782  )))
783 783  
829 +
830 +
831 +
784 784  == 7.6 Frame Counter Uplink ==
785 785  
786 786  Feature: Get or Set the Frame Counter Uplink.
... ... @@ -795,10 +795,12 @@
795 795  OK
796 796  )))
797 797  |(% style="width:177px" %)AT+FCU=10|(% style="width:239px" %)Set the Frame Counter Uplink.|(% style="width:113px" %)OK(((
846 +
798 798  )))
799 799  
800 -(% style="display:none" %) (%%)
801 801  
850 +
851 +
802 802  == 7.7 Join Accept Delay1 ==
803 803  
804 804  
... ... @@ -814,10 +814,12 @@
814 814  OK
815 815  )))
816 816  |(% style="width:164px" %)AT+JN1DL=10000|(% style="width:229px" %)Set the Join Accept Delay.|(% style="width:140px" %)OK(((
867 +
817 817  )))
818 818  
819 -(% style="display:none" %) (%%)
820 820  
871 +
872 +
821 821  == 7.8 Join Accept Delay2 ==
822 822  
823 823  
... ... @@ -833,10 +833,12 @@
833 833  OK
834 834  )))
835 835  |(% style="width:160px" %)AT+JN2DL=20000|(% style="width:228px" %)Set the Join Accept Delay.|(% style="width:146px" %)OK(((
888 +
836 836  )))
837 837  
838 -(% style="display:none" %) (%%)
839 839  
892 +
893 +
840 840  == 7.9 Public Network Mode ==
841 841  
842 842  
... ... @@ -864,6 +864,9 @@
864 864  )))
865 865  |(% style="width:166px" %)AT+PNM=0|(% style="width:225px" %)Set to use private network autoset syncword=0x12|(% style="width:272px" %)
866 866  
921 +
922 +
923 +
867 867  == 7.10 Receive Delay1 ==
868 868  
869 869  
... ... @@ -882,6 +882,9 @@
882 882  
883 883  )))
884 884  
942 +
943 +
944 +
885 885  == 7.11 Receive Delay2 ==
886 886  
887 887  
... ... @@ -900,6 +900,9 @@
900 900  
901 901  )))
902 902  
963 +
964 +
965 +
903 903  == 7.12 Rx2 Window Data Rate ==
904 904  
905 905  
... ... @@ -918,6 +918,9 @@
918 918  
919 919  )))
920 920  
984 +
985 +
986 +
921 921  == 7.13 Rx2 Window Frequency ==
922 922  
923 923  
... ... @@ -936,6 +936,9 @@
936 936  
937 937  )))
938 938  
1005 +
1006 +
1007 +
939 939  == 7.14 Transmit Power ==
940 940  
941 941  
... ... @@ -963,6 +963,9 @@
963 963  * **Example 1**: Downlink Payload: **22000102**  ~/~/ Set AT+TXP=2.
964 964  * **Example 2**: Downlink Payload: **220000FF**  ~/~/ Set AT+TXP=0.
965 965  
1035 +
1036 +
1037 +
966 966  == 7.15 RSSI of the Last Received Packet ==
967 967  
968 968  
... ... @@ -978,6 +978,9 @@
978 978  OK
979 979  )))
980 980  
1053 +
1054 +
1055 +
981 981  == 7.16 SNR of the Last Received Packet ==
982 982  
983 983  
... ... @@ -993,6 +993,9 @@
993 993  OK
994 994  )))
995 995  
1071 +
1072 +
1073 +
996 996  == 7.17 Application Port ==
997 997  
998 998  
... ... @@ -1018,6 +1018,9 @@
1018 1018  * **Example 1**: Downlink Payload: **2301**  ~/~/ set the application port to 1
1019 1019  * **Example 2**: Downlink Payload:** 2305**  ~/~/ set the application port to 5
1020 1020  
1099 +
1100 +
1101 +
1021 1021  == 7.18 Single Channel Mode ==
1022 1022  
1023 1023  
... ... @@ -1034,6 +1034,9 @@
1034 1034  )))
1035 1035  |(% style="width:182px" %)AT+CHS=868100000|(% style="width:295px" %)Set Frequency for Single Channel Mode|(% style="width:122px" %)OK
1036 1036  
1118 +
1119 +
1120 +
1037 1037  == 7.19 Eight Channel Mode ==
1038 1038  
1039 1039  
... ... @@ -1052,7 +1052,7 @@
1052 1052  )))
1053 1053  |(% style="width:160px" %)AT+CHE=1|(% style="width:198px" %)Set eight channels mode|(% style="width:349px" %)OK
1054 1054  
1055 -(% style="color:blue" %)**Downlink Command: 0x24 (LHT65,LHT65N Downlink Command:0x07)**
1139 +(% style="color:blue" %)**Downlink Command: 0x24**
1056 1056  
1057 1057  Format: Command Code (0x24) followed by 1 bytes channel value.
1058 1058  
... ... @@ -1061,6 +1061,9 @@
1061 1061  * **Example 1**: Downlink Payload: 2401  ~/~/ set channel mode to 1
1062 1062  * **Example 2**: Downlink Payload: 2405  ~/~/ set channel mode to 5
1063 1063  
1148 +
1149 +
1150 +
1064 1064  == 7.20 Get or Set RXwindows1 timeout ==
1065 1065  
1066 1066  
... ... @@ -1092,6 +1092,7 @@
1092 1092  (((
1093 1093  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.
1094 1094  
1182 +
1095 1095  
1096 1096  )))
1097 1097  
... ... @@ -1111,6 +1111,9 @@
1111 1111  )))
1112 1112  |(% style="width:190px" %)AT+RX2WTO=20|(% style="width:199px" %)Set RXwindows2 timeout|(% style="width:104px" %)OK
1113 1113  
1202 +
1203 +
1204 +
1114 1114  == 7.22 Setting up uplinkdwelltime (as923, au915) ==
1115 1115  
1116 1116  
... ... @@ -1136,6 +1136,9 @@
1136 1136  * **Example 1**: Downlink Payload: **2501**  ~/~/ set uplinkdwelltime to 1
1137 1137  * **Example 2**: Downlink Payload: **2500**  ~/~/ set uplinkdwelltime to 0
1138 1138  
1230 +
1231 +
1232 +
1139 1139  == 7.23 Set Packet Receiving Response Level ==
1140 1140  
1141 1141  
... ... @@ -1156,6 +1156,8 @@
1156 1156  * For Class C devices used in ChirpStack, need to set AT+RPL=4 because Chirpstack require immedietely reply message to MAC Command.
1157 1157  * 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.
1158 1158  
1253 +
1254 +
1159 1159  (% style="color:blue" %)**AT Command: AT+RPL**
1160 1160  
1161 1161  (% border="1" style="background-color:#ffffcc; color:green; width:536.222px" %)
... ... @@ -1175,6 +1175,9 @@
1175 1175  * **Example 1**: Downlink Payload: **2101**  ~/~/ set packet receiving response level to 1
1176 1176  * **Example 2**: Downlink Payload: **2102**  ~/~/ set packet receiving response level to 2
1177 1177  
1274 +
1275 +
1276 +
1178 1178  == 7.24 Controls NBTrans in unconfirmed uplink mode（LWS007 NBTrans:Set retransmission packets) ==
1179 1179  
1180 1180  
... ... @@ -1205,16 +1205,14 @@
1205 1205  * Example 1: Downlink Payload: 330100  ~/~/ Set AT+SETMAXNBTRANS=1,0
1206 1206  * Example 2: Downlink Payload: 330201  ~/~/ Set AT+SETMAXNBTRANS=2,1
1207 1207  
1208 -== 7.25 Device offline rejoining （LWS007) ==
1209 1209  
1210 1210  
1211 -(% style="color:blue" %)**AT Command: AT+DDETECT**
1212 1212  
1213 -AT+DDETECT=<Flag>,<ACK_Timout_1>,<ACK_Timout_2> (Default Value: AT+DDETECT=1,1440,2880)
1310 +== 7.25 Device offline rejoining （LWS007) ==
1214 1214  
1215 -* ACK_Timout_1: Unit: min
1216 -* ACK_Timout_2: Unit: min
1217 1217  
1313 +(% style="color:blue" %)**AT Command: AT+DDETECT**
1314 +
1218 1218  (% border="1" style="background-color:#ffffcc; color:green; width:710.222px" %)
1219 1219  |=(% colspan="3" style="width: 707px;" %)AT+**DDETECT**
1220 1220  |(% style="width:160px" %)**Command Example**|(% style="width:198px" %)**Function**|(% style="width:349px" %)**Response**
... ... @@ -1246,18 +1246,17 @@
1246 1246  OK
1247 1247  )))
1248 1248  
1249 -(% style="color:blue" %)**Downlink Command: 0x32**
1346 +(% style="color:blue" %)**Downlink Command: 0x33**
1250 1250  
1251 1251  Format: Command Code (0x32) followed by 2 bytes mode value.
1252 1252  
1253 -If the downlink payload=320105A00B40, it means set end node to use confirm mode, while type code is 32.
1350 +If the downlink payload=320105A00B40, it means set end node to use confirm mode, while type code is 33.
1254 1254  
1255 -* **Example 1:** Downlink Payload: 320105A00B40  ~/~/ Set AT+DDETECT=1,1440,2880
1256 -** 0x01 : Flag
1257 -** 0x05A0: ACK_Timout_1 : 1440minutes (24 hours)
1258 -** 0x0B40: ACK_Timout_2 : 2880minutes (48 hours)
1259 -** **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.
1352 +* **Example 1:** Downlink Payload: 320105A00B40  ~/~/ Set AT+DDETECT=1,1440,2880
1260 1260  
1354 +
1355 +
1356 +
1261 1261  == 7.26 Request the server to send an ACK ==
1262 1262  
1263 1263  
... ... @@ -1275,6 +1275,7 @@
1275 1275  OK
1276 1276  )))
1277 1277  
1374 +
1278 1278  == 7.27 Adjust network rejoining interval ==
1279 1279  
1280 1280  
... ... @@ -1283,13 +1283,13 @@
1283 1283  (% border="1" style="background-color:#ffffcc; color:green; width:727.222px" %)
1284 1284  |=(% colspan="3" style="width: 724px;" %)AT+RJTDC
1285 1285  |(% style="width:165px" %)**Command Example**|(% style="width:227px" %)**Function**|(% style="width:329px" %)**Response**
1286 -|(% style="width:165px" %)AT+RJTDC=?|(% style="width:227px" %)Show the ReJoin data transmission interval in min|(% style="width:329px" %)30(((
1383 +|(% style="width:165px" %)AT+RJTDC=?|(% style="width:227px" %)Show the ReJoin data transmission interval in min|(% style="width:329px" %)30000(((
1287 1287  OK
1288 1288  
1289 -the interval is 30 min
1386 +the interval is 30000ms = 30s
1290 1290  )))
1291 -|(% style="width:165px" %)AT+RJTDC=60|(% style="width:227px" %)Set the ReJoin data transmission interval in min|(% style="width:329px" %)OK(((
1292 -Set the ReJoin data transmission interval to 60 min
1388 +|(% style="width:165px" %)AT+RJTDC=60000|(% style="width:227px" %)Set the ReJoin data transmission interval in min|(% style="width:329px" %)OK(((
1389 +Set the ReJoin data transmission interval to 60000ms = 60 seconds
1293 1293  )))
1294 1294  
1295 1295  (% style="color:blue" %)**Downlink Command: 0x26**
... ... @@ -1301,8 +1301,12 @@
1301 1301  * **Example 1:** Downlink Payload: 26000A  ~/~/ Set AT+RJTDC=10
1302 1302  * **Example 2: **Downlink Payload: 260002  ~/~/ Set AT+RJTDC=2
1303 1303  
1401 +
1402 +
1403 +
1304 1304  = 8. AT Commands Combination =
1305 1305  
1406 +
1306 1306  == 8.1 Set a fix RX2DR for downlink window ==
1307 1307  
1308 1308  
... ... @@ -1309,6 +1309,9 @@
1309 1309  * (% style="color:blue" %)**AT+ADR=0             **(%%) **~-~->**  Disable ADR first
1310 1310  * (% style="color:blue" %)**AT+RX2DR=xxxx**   (%%) **~-~->**  Set xxxx to your wanted DataRate
1311 1311  
1413 +
1414 +
1415 +
1312 1312  == 8.2 Use Downlink Command to set a fix uplink DR ==
1313 1313  
1314 1314  

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