Db25 male rta connector pinout – Perle Systems RIO 5500036-17 User Manual
Page 205
RIO Remote I/O System User Guide
RTA connector pinouts
Page 205
Chapter 3 RIO Cabling information
DB25 male RTA connector pinout
Pin
Signal
Direction
Description
2
TXD
Out
Transmit Data
3
RXD
In
Receive Data
4
RTS
Out
Request To Send
5
CTS
In
Clear To Send
6
DSR
In
Data Set Ready
7
GND
Ground
8
DCD
In
Data Carrier Detect
20
DTR
Out
Data Terminal Ready
22
RI
In
Ring Indicator
Pin 1 (looking into connector)