
RJ-45 to RJ-45 (Altpin On) 3 COM Total Control/COMPAQ Microcom Modem
Cable
Modem Cables
EIA-232 Modem Cables, RJ-45 to RJ-45
The wiring diagram for a RJ-45 8-pin to 3COM Total Control/Compaq Microcom RJ-45 8-pin modem cable is
shown in Table 1.
Table 1: EIA-232 Altpin RJ-45 to RJ-45
From
RJ-45
Signal Direction Signal To RJ-45
1 DCD DCD 2
5 RxD
RxD 5
4 TxD
TxD 6
8 DTR
DTR 3
6SG
SG 4
2 RTS
RTS 8
7 CTS
CTS 7
●
Arrows indicate which direction the signal is flowing
NOTES:
●
Altpin should be turned on when using this cable.
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