3Com 3C16987A, 3C16988A, 3C16986A, 3C16985B manual Pin Number Signal Function

RJ45 Pin Assignments 45

Table 7 Pin assignments

Pin Number	Signal	Function
Ports configured as MDIX
1	RxData +	Receive Data
2	RxData –	Receive Data
3	TxData +	Transmit data
4	Not assigned
5	Not assigned
6	TxData –	Transmit data
7	Not assigned
8	Not assigned