User's Guide

SPEED Serial Adaptors User guide
SPEED cables available from Perle
Page 79
Chapter 3 SPEED Cabling Information
RJ45 (8pin) to DB25 female cable
Cable diagram
Connector pinout table
Pin 1 (looking into plug)
Pin 1
(looking into
connector)
RJ45 pin DB25 Pin Signal Direction Description
1 8 DCD In Data Carrier Detect
2 6 DTR Out Data Terminal Ready
3 20 DSR In Data Set Ready
4 7 GND Ground
5 3 TXD Out Transmit Data
6 2 RXD In Receive Data
7 5 RTS Out Request to send
8 4 CTS In Clear to Send
Shell Shell Chassis Chassis ground.