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54	54	Connection1
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56	56	How to connect with Energy Meter：
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58	58	Follow the instructions of the electric energy meter to connect the phase line and the neutral line, and then connect 485A+ and 485B- to RS485A and RA485B of RS485-LN respectively.
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60	60	The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
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62	62	Power Source VIN to RS485-LN VIN+
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64	64	Power Source GND to RS485-LN VIN-
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66	66	Once there is power, the RS485-LN will be on.
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68	68	[[image:https://wiki.dragino.com/images/thumb/1/15/Meter2.jpg/600px-Meter2.jpg||height="433" width="577"]]
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127	127	(% class="box infomessage" %)
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129		-AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
	141	+ AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
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132	132	a: length for the return of AT+COMMAND