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...	...	@@ -229,7 +229,7 @@
229	229	)))
230	230
231	231	(((
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).
	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
233	233	)))
234	234
235	235	(((
...	...	@@ -438,7 +438,7 @@
438	438
439	439	(% style="color:blue" %)**Downlink Command: 0x05**
440	440
441		-Format: Command Code (0x05) followed by 1 byte mode value.
	441	+Format: Command Code (0x05) followed by 2 bytes 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
...	...	@@ -485,7 +485,7 @@
485	485
486	486	(% style="color:blue" %)**Downlink Command: 0x05**
487	487
488		-Format: Command Code (0x05) followed by 3 bytes mode value.
	488	+Format: Command Code (0x05) followed by 2 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
...	...	@@ -1271,16 +1271,14 @@
1271	1271	== 7.26 Request the server to send an ACK ==
1272	1272
1273	1273
1274		-Feature: Mode for sending data for which acknowledgment was not received. LoraWAN Network Server(eg. The Things NetWork/ChirpStack/AWS/...).
1275		-
1276	1276	(% style="color:blue" %)**AT Command: AT+PNACKMD**
1277	1277
1278	1278	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:889px" %)
1279	1279	|(% style="background-color:#4f81bd; color:white; width:160px" %)**Command Example**|(% style="background-color:#4f81bd; color:white; width:627px" %)**Function**|(% style="background-color:#4f81bd; color:white; width:100px" %)**Response**
1280		-|(% style="width:160px" %)AT+PNACKMD=1|(% style="width:627px" %)If the node uploads the ACK as confirm, it will request the LoraWAN Network Server to send an ACK. If the LoraWAN Network Server ack is not received, the node will upload the packets that have not received the ACK the next time it receives the ACK|(% style="width:100px" %)1(((
	1278	+|(% style="width:160px" %)AT+PNACKMD=1|(% style="width:627px" %)If the node uploads the ACK as confirm, it will request the server to send an ACK. If the server ack is not received, the node will upload the packets that have not received the ACK the next time it receives the ACK|(% style="width:100px" %)1(((
1281	1281	OK
1282	1282	)))
1283		-|(% style="width:160px" %)AT+PNACKMD=0|(% style="width:627px" %)off request the LoraWAN Network Server to send an ACK|(% style="width:100px" %)(((
	1281	+|(% style="width:160px" %)AT+PNACKMD=0|(% style="width:627px" %)off request the server to send an ACK|(% style="width:100px" %)(((
1284	1284	0
1285	1285	OK
1286	1286	)))