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SPEED Serial Adaptors User guide
SPEED cables available from Perle
Page 77
Chapter 3 SPEED Cabling Information
RJ45 (8 pin) to DB9 male cable
Cable diagram
Connector pinout table
Pin 1
Pin 5
Pin 9
Pin 6
Pin numbers looking into connector
Pin 1(looking into plug)
RJ45 pin DB9 Pin Signal Direction Description
1 1 DCD In Data Carrier Detect
2 4 DTR Out Data Terminal Ready
3 6 DSR In Data Set Ready
4 5 GND Ground
5 3 TXD Out Transmit Data
6 2 RXD In Receive Data
7 7 RTS Out Request to send
8 8 CTS In Clear to Send
Shell Shell Chassis Chassis ground.