Specifications

Table Of Contents
Chapter 9 Pinout reference 97
DB-25F to RJ-45 3COM Total Control/COMPAQ Microcom modem cable
From
DB-
25
Signal Direction Signal To RJ-45
8 DCD DCD 2
3 RxD
RxD 5
2 TxD
TxD 6
20 DTR
DTR 3
7SG
SG 4
6 DSR
DSR N/A
4 RTS
RTS 8
5 CTS
CTS 7
22 RI
RI 1
Shell GND
GND N/A
Arrows indicate which direction the signal is flowing
NOTES:
Altpin should be turned off when using this cable.