Perle Systems RIO 5500036-17 - Manual (Page 224)

RIO Remote I/O System User Guide
Loopback connector pinouts
Page 224
Chapter 3 RIO Cabling information
Loopback pinouts for DB25 female connectors
To test this type of port, your loopback connector needs to join together the connector pins
shown in the next picture.
For details of DB25 female connector pinouts see page 203 .
3
2
5
4
6
8
20
22
TXD
RXD
RTS
CTS
DSR
DCD
DTR
RI