Perle Systems RIO 5500036-17 - Manual (Page 217)

RIO Remote I/O System User Guide
Cable connector pinouts
Page 217
Chapter 3 RIO Cabling information
DB25 female to DB25 female DCE for connection to DTE devices
Typical uses This type of cable is used to connect to DTE devices such as Terminals, PCs or printers.
Cable diagram
Connector pinout table
Pin 1
(looking into
connector)
Pin 1
(looking into
connector)
DB25 DB25
Pin Signal Direction Description Pin Signal Description
2 TXD Out Receive Data 3 RXD Transmit Data
3 RXD In Transmit Data 2 TXD Receive Data
4 RTS Out Request To Send 5 CTS Clear To Send
5 CTS In Clear To Send 4 RTS Request To Send
6 DSR In Data Set Ready 20 DTR Data Terminal Ready
7 GND Ground 7 GND Ground
8 DCD In Data Carrier Detect 8 DCD Data Carrier Detect
20 DTR Out Data Terminal Ready 6 DSR Data Set Ready