Specifications

Table Of Contents
Chapter 9 Pinout reference 103
DB-25F to DB-25M modem cable
From
DB-
25
Signal Direction Signal To DB-25
8 DCD DCD 8
3 RxD
RxD 3
2 TxD
TxD 2
20 DTR
DTR 20
7SG
SG 7
6 DSR
DSR 6
4 RTS
RTS 4
5 CTS
CTS 5
22 RI
RI 22
Shell GND
GND Shell
* Arrows indicate which direction the signal is flowing
NOTES:
Altpin should be turned off when using this cable.
This cable utilizes the CTS signal of the modem for hardware flow control (RTS/CTS).
EIA-232 cables cannot exceed 2500pF.