Rj-45 Pin Assignments - 3Com SuperStack 3 Switch 4300 Getting Started Manual

Table 11 Pin assignments
Pin Number
Ports configured as MDIX
1
2
3
4
5
6
7
8
Signal
Receive Data +
Receive Data -
Transmit Data +
Not assigned
Not assigned
Transmit Data
Not assigned
Not assigned

RJ-45 Pin Assignments

Function
Bidirectional Data B+
Bidirectional Data B-
Bidirectional Data A+
Bidirectional Data A-
Bidirectional Data D+
Bidirectional Data D-
Bidirectional Data C+
Bidirectional Data C-
41