Perle Systems Adaptors - Manual (Page 114)

FAST Serial Adaptors User Guide
Distribution box and cable pinouts
Page 114
Chapter 3 Cabling information
16 port distribution box with DB25 female connectors
Push fit onto card
edge connector
Port numbers
labelled on unit
Connect peripheral cable
here via DB25 connectors
Pin Signal Direction Description
1 Chassis Chassis ground
2 TXD Out Transmit Data
3 RXD In Receive Data
4
When jumper set to
RTS
See page 97 .
RTS Out Request To Send
4
When jumper set to
DTR
See page 97 .
DTR Out Data Terminal Ready
5 CTS In Clear To Send
7 GND Ground
Pin 1 (looking into connector)