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1		-XWiki.Xiaoling
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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/]]
	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 Products User Manual>>http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/]]**.
25	25
26	26	* **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:
27	27	** Use HEX format to send a downlink: [[TTN v3>>Notes for TTN]]
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225	225	(% style="color:blue" %)**Downlink Command: 0x26 (Valid in 006 stack)**
226	226
227	227	(((
228		-Downlink Format: 0x26
	228	+Format: Command Code (0x26) followed by 1 byte.
229	229	)))
230	230
231	231	(((
232		-Device will reply with firmware version info, device info. frequency band info. detail please check device user manual. Total 5 bytes Example: If device is of firmware version 1.1.0 Upload: xx ~-~- yy ~-~- zz ~-~- 110 total 5 bytes
	232	+If the downlink payload=**2601, **Device will reply with firmware version info, device info. frequency band info. detail please check device user manual. Total 5 bytes Example: If device is of firmware version 1.1.0 Upload: xx ~-~- yy ~-~- zz ~-~- 110 total 5 bytes(  FPort= 5 usually).
233	233	)))
234	234
235	235	(((
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438	438
439	439	(% style="color:blue" %)**Downlink Command: 0x05**
440	440
441		-Format: Command Code (0x05) followed by 2 bytes mode value.
	441	+Format: Command Code (0x05) followed by 1 byte mode value.
442	442
443	443	If the downlink payload=0501, it means set end node to use confirm mode, while type code is 05.
444	444
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485	485
486	486	(% style="color:blue" %)**Downlink Command: 0x05**
487	487
488		-Format: Command Code (0x05) followed by 2 bytes mode value.
	488	+Format: Command Code (0x05) followed by 3 bytes mode value.
489	489
490	490	If the downlink payload=05010101, it means set end node to use confirm mode, while type code is 05.
491	491
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604	604
605	605	(% style="display:none" %) (%%)
606	606
607		-== 6.8 Send Text Data ==
	607	+== 6.8 Send Text Data（Note: The format of this command of LA66 is subject to the manual） ==
608	608
609	609
610	610	Feature: Send Text Data<port:data>.
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621	621
622	622	(% style="display:none" %) (%%)
623	623
624		-== 6.9 Send Hexadecimal Data ==
	624	+== 6.9 Send Hexadecimal Data（Note: The format of this command of LA66 is subject to the manual） ==
625	625
626	626
627	627	Feature: Send hexadecimal data along with the application port.
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926	926	== 7.14 Transmit Power ==
927	927
928	928
929		-Feature: Get or Set the Transmit Power(0-5, MAX:0, MIN:5, according to LoRaWAN Spec, or 40=10dB, 41 = 11dB, …, 50 = 20dB which is out of LoRaWAN spec. )
	929	+Feature: Get or Set the Transmit Power(0-5, MAX:0, MIN:5, according to LoRaWAN Spec, or 40=10dBm, 41 = 11dBm, …, 50 = 20dBm which is out of LoRaWAN spec. )
930	930
931	931	(% style="color:red" %)**Notice: Transmit Power might be changed by ADR from LoRaWAN server. So manually change TXP also remember to set AT+ADR=0 in sensor**
932	932
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1216	1216	AT+DDETECT=<Flag>,<ACK_Timout_1>,<ACK_Timout_2> (Default Value: AT+DDETECT=1,1440,2880)
1217	1217
1218	1218	* ACK_Timout_1: Unit: min
	1219	+
1219	1219	* ACK_Timout_2: Unit: min
1220	1220
1221	1221	(% border="1" style="background-color:#f2f2f2; width:562px" %)
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1256	1256
1257	1257	* **Example 1:** Downlink Payload: 320105A00B40  ~/~/ Set AT+DDETECT=1,1440,2880
1258	1258
1259		-*
1260		-** 0x01 : Flag
1261		-** 0x05A0: ACK_Timout_1 : 1440minutes (24 hours)
1262		-** 0x0B40: ACK_Timout_2 : 2880minutes (48 hours)
1263		-** **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.
	1260	+*
	1261	+** 0x01** : Flag**
1264	1264
	1263	+ **0x05A0 **: ACK_Timout_1 : 1440minutes (24 hours)
	1264	+
	1265	+ **0x0B40 **: ACK_Timout_2 : 2880minutes (48 hours)
	1266	+
	1267	+* **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.
	1268	+
1265	1265	(% style="display:none" %) (%%)
1266	1266
1267	1267	== 7.26 Request the server to send an ACK ==
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1279	1279	OK
1280	1280	)))
1281	1281
1282		-(% style="display:none" %) (%%)
	1286	+(% style="display:none" %) (%%) (% style="color:blue" %)**Downlink Command: 0x34**
1283	1283
	1288	+0X34 01  ~/~/Same As AT+PNACKMD=1
	1289	+
	1290	+0x34 00  ~/~/Same As AT+PNACKMD=0
	1291	+
	1292	+
1284	1284	== 7.27 Adjust network rejoining interval ==
1285	1285
1286	1286