Rj45 to db25 male cable – Perle Systems Adaptors User Manual
Page 109
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FAST Serial Adaptors User Guide
Distribution box and cable pinouts
Page 109
Chapter 3 Cabling information
RJ45 to DB25 male cable
Pin 1
(looking into
connector)
Pin 1(looking into plug)
RJ45 pin
DB25 Pin
Signal
Direction
Description
1
8
DCD
In
Data Carrier Detect
2
4
RTS
Out
Request To Send
3
6
DSR
In
Data Set Ready
4
2
TXD
Out
Transmit Data
5
3
RXD
In
Receive Data
6
7
GND
Ground
7
5
CTS
In
Clear to Send
8
20
DTR
Out
Data Terminal Ready
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