Ethernet Port Rj-45 Pin Assignments - 3Com 2924-SFP User Manual

Ethernet Port RJ-45
Pin Assignments
10/100 and 1000BASE-T RJ-45 connections.
Table 10 Pin assignments
Pin Number
Ports configured as MDI
1
2
3
4
5
6
7
8
Table 11 Pin assignments
Pin Number
Ports configured as MDIX
1
2
3
4
5
6
7
8

Ethernet Port RJ-45 Pin Assignments

10/100
Transmit Data +
Transmit Data −
Receive Data +
Not assigned
Not assigned
Receive Data −
Not assigned
Not assigned
10/100
Receive Data +
Receive Data −
Transmit Data +
Not assigned
Not assigned
Transmit Data −
Not assigned
Not assigned
191
1000
Bidirectional Data A+
Bidirectional Data A−
Bidirectional Data B+
Bidirectional Data C+
Bidirectional Data C−
Bidirectional Data B−
Bidirectional Data D+
Bidirectional Data D−
1000
Bidirectional Data B+
Bidirectional Data B−
Bidirectional Data A+
Bidirectional Data A−
Bidirectional Data D+
Bidirectional Data D−
Bidirectional Data C+
Bidirectional Data C−