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VRC 694x Filtered DC Power Cable
This document describes how to prepare and use a VRC 69X0 Filtered DC Power cable
to provide power to a VRC 69X0 terminal. The VRC 6940 terminal is a rugged, vehicle-mounted computer. For more
information on the terminal itself, see the VRC 6940 Quick Reference Guide (Symbol p/n 72-37640-XX).
The cable has two end that come out of a central Mounting Block, as shown below. The DC Power connector fits
into the DC Power connector on the VRC 69X0. The Cable End terminates in two wires, a black ground wire, and a
red power wire that has been prepared with an in-line fuse-holder.
Mounting Block
Preparing and Connecting the Cable
To prepare the Filtered DC Power cable for use with a VRC 69X0:
1. Add a connector to the Cable End: Strip 3/8" of insulation from the two wire ends and terminate them with a
connector that matches your vehicle's requirements. Connect the red wire to the vehicle power source. Con-
nect the black wire to a vehicle ground wire or chassis ground.
2. Select a location for the Mounting Block and mount it securely with #8 screws. Make sure the DC Power con-
nector end reaches the terminal and the prepared Cable End reaches the DC power source.
How you terminate the cable depends on the vehicle. If the vehicle has a power output connector, use
a mating connector. You may be able to connect to a fuse panel with a commercially available connec-
tor. If your vehicle has no power output connector, use a ring terminal (for a battery post) or blade ter-
minal connector (for a fuse panel). See your vehicle Owner's Manual for more information.
3. Route the cable from the terminal location to the connection point for your DC power source.
4. Insert the cable's DC Power connector into the terminal's DC Power Connector. Align the red dot on the end of
the power cable with the red dot on the Power Connector.
A Lead Acid battery can leak Hydrogen gas. A spark anywhere near the battery can cause it to explode. Always
make your final connection to power as far away from the battery as possible, i.e., connect the power cable to
the battery first, then connect it to the terminal.
The means of routing and securing this cable from the terminal to the vehicle power source is extremely
important. Hazards associated with improper wiring can be severe. To avoid unintentional contact be-
tween the wire and any sharp edges, use proper bushings and clamping where the cable passes through
openings. If the wire is subjected to sharp surfaces and excess engine vibration, the wiring harness in-
sulation can wear away, causing a short between the bare wire and chassis. This can start a fire.
Installation Note: Cable Termination
W
ARNING
!
Installation Note: Cable Routing Caution
Plug this end into
the DC Power
connector on
the VRC 6940
Cable End
!
Red Power Wire
With In-line
Fuse Holder and
5A slow-blow fuse
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Summary of Contents for Symbol VRC 694 Series
- Page 1 VRC 69X0 terminal. The VRC 6940 terminal is a rugged, vehicle-mounted computer. For more information on the terminal itself, see the VRC 6940 Quick Reference Guide (Symbol p/n 72-37640-XX). The cable has two end that come out of a central Mounting Block, as shown below. The DC Power connector fits into the DC Power connector on the VRC 69X0.
- Page 2 North America. Shipments from the US or other locations will be made F.O.B. Symbol’s manufacturing plant. Symbol will use new or refurbished parts at its discretion and will own all parts removed from repaired products. Customer will pay for the replacement product in case it does not return the replaced product to Symbol within 3 days of receipt of the replacement product.
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