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Author

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1		-XWiki.Bei
	1	+XWiki.Edwin

Content

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27	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	28	** See use note for more serves [[Servers Note>>doc:Main.WebHome]](IoT LoRaWAN Server)
29	29
	30	+
30	30	= 3. Support End Node and firmware version =
31	31
32	32
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514	514
515	515	(% style="color:blue" %)**AT Command: AT+CFS**
516	516
517		-(% border="1" style="background-color:#ffffcc; color:green; width:534.222px" %)
518		-|=(% colspan="3" style="width: 531px;" %)AT+CFS
519		-|(% style="width:156px" %)**Command Example**|(% style="width:193px" %)**Function**|(% style="width:178px" %)**Response**
520		-|(% style="width:156px" %)AT+CFS=?|(% style="width:193px" %)Get confirmation status|(% style="width:178px" %)0(((
	518	+(% border="1" style="background-color:#ffffcc; color:green; width:463px" %)
	519	+|=(% colspan="3" style="width: 460px;" %)AT+CFS
	520	+|(% style="width:156px" %)**Command Example**|(% style="width:193px" %)**Function**|(% style="width:107px" %)**Response**
	521	+|(% style="width:156px" %)AT+CFS=?|(% style="width:193px" %)Get confirmation status|(% style="width:107px" %)0(((
521	521	OK
522	522	)))
523	523
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1215	1215
1216	1216	(% style="color:blue" %)**AT Command: AT+DDETECT**
1217	1217
	1219	+AT+DDETECT=<Flag>,<ACK_Timout_1>,<ACK_Timout_2> (Default Value: AT+DDETECT=1,1440,2880)
	1220	+
	1221	+* ACK_Timout_1: Unit: min
	1222	+* ACK_Timout_2: Unit: min
	1223	+
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**
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1246	1246	OK
1247	1247	)))
1248	1248
1249		-(% style="color:blue" %)**Downlink Command: 0x33**
	1255	+(% style="color:blue" %)**Downlink Command: 0x32**
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 33.
	1259	+If the downlink payload=320105A00B40, it means set end node to use confirm mode, while type code is 32.
1254	1254
1255		-* **Example 1:** Downlink Payload: 320105A00B40  ~/~/ Set AT+DDETECT=1,1440,2880
	1261	+* **Example 1:** Downlink Payload: 320105A00B40  ~/~/ Set AT+DDETECT=1,1440,2880
	1262	+** 0x01 : Flag
	1263	+** 0x05A0: ACK_Timout_1 : 1440minutes (24 hours)
	1264	+** 0x0B40: ACK_Timout_2 : 2880minutes (48 hours)
	1265	+** **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.
1256	1256
1257	1257
1258	1258	== 7.26 Request the server to send an ACK ==