
DB-9F to RJ-45 3 COM Total Control/COMPAQ Microcom Modem Cable
Modem Cables
EIA-232 Modem Cables, DB-9 to RJ-45 8-pin
The wiring diagram for a DB-9 pin to 3COM Total Control RJ-45 8-pin/Compaq Microcom RJ-45 8-pin modem
cable is shown in Table 1.
Table 1: EIA-232 DB-9 to RJ-45 8-pin
DB-9 Signal Direction Signal To RJ-45
1 DCD DCD 2
2 RxD
RxD 5
3 TxD
TxD 6
4 DTR
DTR 3
5SG
SG 4
6 DSR
DSR N/A
7 RTS
RTS 8
8 CTS
CTS 7
9RI
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.
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