DB25 Fan-out cable

Port numbers labelled on DB25 connectors

Push fit onto card edge connector

Connect peripheral cable here

Note

The UltraPort fan-out cables need to be secured or supported in case of sudden contact or excessive weight on the cables. Please ensure that adequate caution is taken to avoid possible damage to the UltraPort card or Host system. This can be accomplished by securing the cables to a rack or to the back of the server.

DB25 Pin

EIA-232

EIA-422

EIA-485

 

 

 

 

1 & Shell

C-GND

C-GND

C-GND

2

TXD

TXD-

TXD-/RXD-

3

RXD

RXD+

RXD+

4

RTS

RTS-

NC

5

CTS

CTS+

NC

6

DSR

RXD-

RXD-

7

S-GND

S-GND

S-GND

8

DCD

CTS-

NC

20

DTR

TXD+

TXD+/RXD+

22

RI

RTS+

NC

 

 

 

 

UltraPort Serial Adaptors User Guide

Chapter 3 Cabling information

Connector box and cable pinouts

Page 127

 

Page 127
Image 127
Perle Systems Adaptors manual DB25 Fan-out cable