SPEED Serial adaptors User guide
SPEED cables available from Perle
Page 80
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.