2.2.5 Cable Access Opening
Some kind of a gate should be provided somewhere in the back of the tow vehicle, through
which the Ethernet cable can be passed out of the vehicle and further be passed on to the
Compact15 front panel. For this purpose may be used e.g. a “trap door” or some kind of
plastic tubing bending from the vehicle floor down under the rear bumper, ending not too far
from the trailer hitch captive ball. The gate/trap door opening should be 25 by 25 mm (1” by
1”) (or 25 mm (1”) in diameter) minimum, and if tubing is used, the tube diameter should be
25 mm (1”) minimum, and sharp bends of the tubing should be avoided to ease passing of the
plug. The gate should be kept closed at all times (maybe simply plugged with e.g. a cloth) to
prevent engine exhaust from entering the vehicle cabin.
It is a BAD idea to pass the cable through a back door, in which it too easily may be damaged
by squeezing/clipping.
2.2.6 Placing the Computer and the Remote Control Box
The Remote Control Box and the Computer may be placed anywhere inside the tow vehicle,
observing a few precautions:
The Computer should be placed conveniently for the operator, and the Remote Control Box
should be placed so that the front panel LED indicators are visible from the operator’s
position. All units should be appropriately prevented from bumping and/or tilting during
driving, e.g. using rubber straps and perhaps foam rubber underlays.
MAKE SURE that the Computer is mounted in the vehicle in such a manner that NO
ventilation grids in the Computer enclosure are covered!
The maximum ambient temperature limit for the Computer is typically 40°C (105°F), if
placed IN SHADE, so if the temperature in the vehicle approaches this limit, then direct
sunlight should be avoided! Note also that the Computer should not be OPERATING below
5°C (40°F). Storage temperature range is -40 to +65°C (-40 to 150°F).
Electronic equipment does not like condensing moisture, as this may introduce creep currents
on circuit boards etc. Therefore, it is recommended that the Computer (in cases of high air
humidity and large temperature shifts from day to night) is removed from the vehicle after use
in the evening and stored in room temperature overnight.
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