Specifications

Table Of Contents
138 Chapter 9 Pinout reference
DB-9F to DB-25M terminal/printer cable
DB-9 Signal Direction Signal To DB-25
2 RxD TxD 2
3 TxD
RxD 3
4 DTR
DSR 6
DCD 8
5SG
SG 7
6 DSR
RTS 4
1 DCD
7 RTS
CTS 5
8 CTS
DTR 20
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 DTR signal of the terminal/printer for hardware flow control (RTS/CTS).