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...	...	@@ -329,35 +329,70 @@
329	329
330	330	(((
331	331	(% style="color:#4f81bd" %)**Example 4: **
332		-)))
333	333
334		-(((
335		-**AT+GROUPMOD=0**  Set to point to point mode
336		-)))
337	337
338		-(((
339		-**AT+GROUPMOD=0,aa**  Set the TX group that controls the number of aa (The maximum value of aa is 8)
340		-)))
	334	+**AT+CFGDEV :** This command will be sent to Group RX.
341	341
342		-(((
343		-(((
344		-**AT+GROUPMOD=1,bb**  Set to the RX group controlled by the TX group, numbered bb(The maximum value of aa is 8)
345		-)))
346		-)))
	336	+The grammar is:
347	347
348		-(((
349		-**AT+GROUPMOD=0,2**  Set to control the TX group of the two RX groups
350		-)))
	338	+AT+CFGDEV =xx xx xx xx xx xx xx xx xx xx xx xx,m
351	351
352		-(((
353		-**AT+GROUPMOD=1,1**  Set the RX group numbered 1
	340	+xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent
	341	+
	342	+m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command.
354	354	)))
355	355
356	356	(((
357		-**AT+GROUPMOD=1,2**  Set the RX group numbered 2
	346	+
	347	+
	348	+
	349	+(% style="color:#4f81bd" %)**Example 5：**(%%)** **
358	358	)))
359	359
	352	+**AT+RS485:** This command will be sent to local RS485 device.
360	360
	354	+The grammar is:
	355	+
	356	+AT+RS485 =xx xx xx xx xx xx xx xx xx xx xx xx,m
	357	+
	358	+xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent
	359	+
	360	+m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command.
	361	+
	362	+
	363	+
	364	+(% style="color:#4f81bd" %)**Example 6：**
	365	+
	366	+**AT+MOD=0**  Commands are transparently transmitted through UART.
	367	+
	368	+**AT+MOD=1,500**  Commands are transparently transmitted through RS485. 500 ms after the first character is received from RS485, all characters are commands.
	369	+
	370	+
	371	+
	372	+(% style="color:#4f81bd" %)**Example 7：**
	373	+
	374	+**AT+GROUPMOD=0**  Set to point to point mode
	375	+
	376	+**AT+GROUPMOD=0,aa**  Set the TX group that controls the number of aa (The maximum value of aa is 8)
	377	+
	378	+**AT+GROUPMOD=1,bb**   Set to the RX group controlled by the TX group, numbered bb(The maximum value of bb is 8)
	379	+
	380	+
	381	+**AT+GROUPMOD=0,2**  Set to control the TX group of the two RX groups
	382	+
	383	+**AT+GROUPMOD=1,1**  Set the RX group numbered 1
	384	+
	385	+**AT+GROUPMOD=1,2**  Set the RX group numbered 2
	386	+
	387	+
	388	+
	389	+(% style="color:#4f81bd" %)**Example 8：**
	390	+
	391	+
	392	+(% style="color:#4f81bd" %)**Example 9：**
	393	+
	394	+
	395	+
361	361	== **2.4 Data Format** ==
362	362
363	363	(((