3Com SuperStack 3 3300 - RJ45 Pin Assignments

40 A
PPENDIX
B: P
IN
-
OUTS
Modem Cable
9-pin to RS-232 25-pin
RJ45 Pin
Assignments
Pin assignments are identical for 10BASE-T and 100BASE-TX RJ45
connectors
Tab le 6
Pin assignments
Pin Number Signal Function
Ports configured as MDI
1 TxData + Transmit data
2 TxData – Transmit data
3 RxData + Receive Data
4 Not assigned
5 Not assigned
6 RxData – Receive data
7 Not assigned
8 Not assigned
16985ua.bk Page 40 Friday, July 23, 1999 2:39 PM