Installation Guide

MDCMR-Guide.doc\4-Sep-03 Page 19 of 20
Mobile Radio-to-VIU-to-Mobile Data Computer
Illustration
MOBILE RADIO-TO-VIU-TO-MDC CONNECTION
To connect the serial cable (see Fig. 1 below), perform the
following steps:
Step 1 Attach the 20-foot serial cable male connector (DB9M) to
the radio.
Step 2 Route the female connector (DB9F) to the operator’s
compartment of the vehicle and connect to the serial
communication port located on the rear of the VIU near
the microphone hang up clip.
Step 3 Attach the 10-foot serial cable male connector (DB9M) to
the other serial communication port located on the rear
of the VIU.
Step 4 Route the female connector (DB9F) of the 10-foot serial
cable to the serial communication port located on the
rear of the MDC.
Figure 1
To connect the VIU power supply (see Fig. 2 below), perform the
following steps:
Step 1 Route the VIU’s power supply cable from the operator’s
compartment to the trunk compartment.
Step 2 Connect the black wire to the negative (-) terminal of
the EMI Noise Filter.
Step 3 Attach the red wire of the VIU’s power supply cable in-
line fuse to the radio connection on the EMI Noise
Filter.
Figure 2