Adaptors User Guide

UltraPort Serial Adaptors User Guide
Host card back panel connectors and pinouts
Page 107
Chapter 3 Cabling information
UltraPort4 SI-RJ45 Switches
The UltraPort 4 SI-RJ45 card has 4 switches (one for each port) which can be found next to each
serial RJ-45 connector. These switches allow the user to switch between Perle’s, Digi’s, or Digi
ALTPIN EIA-232 pin-out assignments for the RJ-45 connectors. Please see the table below for the
meaning of each switch position
Switch Position 1 Position 1 Position 2 Position 2 Position 3 Position 3
EIA-232
Signals
RJ45 10-
pin Perle
RJ45 8-pin
Perle
RJ45 10-
pin Digi
RJ45 8-pin
Digi
RJ45 10-
pin Digi
ALTPIN
RJ45 8-
pin Digi
ALTPIN
RI 1 N/A 1 N/A 1 N/A
DCD 2 1 10 N/A 2 1
RTS 3 2 3 2 3 2
DSR 4 3 2 1 10 N/A
TXD 5 4 5 4 5 4
RXD 6 5 6 5 6 5
S-GND 7 6 7 6 7 6
CTS 8 7 8 7 8 7
DTR 9 8 9 8 9 8
10 N/A N/C N/A N/C N/A
C-GND Shell Shell 4 & Shell 3 & Shell 4 & Shell 3 & Shell