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• It is recommended that the base station be mounted high on the truck window,
not within 4 inches of any metal
window with 1/4" thick, double-sided tape, to help insulate the base station from
the cold. When mounted vertically, the base station should be oriented so that
cables into the base station are connected from the bottom, not the top of the
enclosure so as not to provide a water path into the enclosure.
• Connect nominal 12V (11-16V) from the truck to the base station using the power
cable provided. The base station can be connected to the vehicle power line and
ground at any location on the truck, without risking undesired effects such as
ground loops, etc. Connect the black wire to the vehicle's ground and the red
wire to the vehicles 12V power. When wired separately from the intercom, use a
separate 1A ATO fuse for the base station. However, if wired to the same power
source as the intercom, the base station can be connected through the same
1A ATO fuse provided with the intercom.
• Plug one end of the enclosed 6P6C RJ-12 modular communication cable into the
RJ-12 jack on the base station and the other end into any headset port on the
intercom
4
.
NOTE: When crimping the 6P6C modular plugs, always make sure the
printed side of the cable is facing the release tab on the plug on both
ends of the RJ-12 modular cable.
• To provide strain relief for the power cable, use a wire tie to tie the modular
communication cable to the power cable. Place the wire tie as close to the base
station as possible.
The RJ-12 Modular Plug
Release tab
Cable slot
INSTALLATION
. The base station should be attached to the
3
3
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