Features:

RJ45 Input / Output connector
Input / Output common ground
Power / Data Mixer
Ethernet switches exapnd to Wireless AP

Pin	Input SK1	Output SK2	Pin
1	Tx (+)	Tx (+)	1
2	Tx (-)	Tx (-)	2
3	Rx (+)	Rx (+)	3
4	N.C.	+V	4
5	N.C.	+V	5
6	Rx (-)	Rx (-)	6
7	N.C.	GND	7
8	N.C.	GND	8