3com 5500-ei pwr Quick Setup Guide
Ethernet Port RJ-45 Pin Assignments
103
Table 11 Pin assignments
Pin Number
10/100
1000
Ports configured as MDIX
1
Receive Data +
Bidirectional Data B+
2
Receive Data -
Bidirectional Data B-
3
Transmit Data +
Bidirectional Data A+
4
Not assigned
Bidirectional Data A-
5
Not assigned
Bidirectional Data D+
6
Transmit Data –
Bidirectional Data D-
7
Not assigned
Bidirectional Data C+
8
Not assigned
Bidirectional Data C-
DUA1715-0AAA02.book Page 103 Wednesday, March 23, 2005 11:17 AM