RIO Remote I/O System User Guide
Cable connector pinouts
Page 215
Chapter 3 RIO Cabling information
RJ45 male to DB25 female DCE for connection to DTE devices
Typical uses This type of cable is used to connect to DTE de vices such as Terminals, PCs or printers.
Cable diagram
Connector pinout table
Pin 1
(looking into
connector)
Pin 1
(looking into
connector)
RJ45 DB25 pin
Pin Signal Direction Description Pin Signal Description
1DCD In Data Carrier Detect 8DCD Data Carrier Detect
2DTR Out Data Terminal Ready 6DSR Data Set Ready
3DSR In Data Set Ready 20 DTR Data Terminal Ready
4S/GND Signal ground 7S/GND Signal ground
5TXD Out Transmit Data 3RX D Receive Data
6RXD In Receive Data 2TXD Transmit Data
7RTS Out Request To Send 5CTS Clear To Send
8CTS In Clear To Send 4RTS Request To Send
Shield Chassis ground