Specifications

Table Of Contents
100 Chapter 9 Pinout reference
DB-9F to DB-9M modem cable
DB-9 Signal Direction Signal To DB-9
1 DCD DCD 1
2 RxD
RxD 2
3 TxD
TxD 3
4 DTR
DTR 4
5SG
SG 5
6 DSR
DSR 6
7 RTS
RTS 7
8 CTS
CTS 8
9RI
RI 9
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).