User's Manual

C-2
If you are planning to use a serial extension cable of 80 feet or more, you
need to open the DB9 shell of our cable and be sure that only pins 2,3 and 5
(plus the shell connection) are connected. All others should be cut. This is
necessary to keep Windows from following noise transitions as hand-
shaking transitions that can severely degrade the application or even crash
Windows.
For all RJ Cable pin numbers,
number from left to right
with the metal pin side of
the connector facing you
and the cable running to
the down position
Relay Station RS422 Pin-outs
The R/F Relay Stations are connected by twisted pair wire -- use Belden
1227A1, Cat 5 wire or equivalent. The Relay Port on the Base Station and
the Relay Port on the Relay Station are connected with a straight cable
using the following pin-outs:
Base Connector Pin # Relay Connector
Receive Data + 5 Transmit Data +
Receive Data - 6 Transmit Data -
Transmit Data + 2 Receive Data +
Transmit Data - 3 Receive Data -
Make a cable with 5-5, 6-6, 2-2, and 3-3 (a straight cable); but, be careful
that you select wires so that the 2 wire is in the twisted pair with the 3 wire,
and the 5 wire is in the twisted pair with the 6 wire.
For all RJ Cable pin numbers, number from left to right with the metal pin
side of the connector facing you and the cable running to the down position