Specifications

Table Of Contents
90 Chapter 9 Pinout reference
Async EIA-422 DB-25 pinout
DB-
25
Direction Signal
2 TxD+
14
TxD-
3
RxD+
16
RxD-
4
RTS+
19
RTS-
5
CTS+
13
CTS-
Shell
GND
* Arrows indicate which direction the signal is flowing