VML750 — LTE Vehicular Subscriber Modem (VSM) Installation Guide
Planning the Installation
Use existing openings through the firewall to avoid drilling. If drilling
is a must, verify not to damage the Vehicle Electronic Control Modules
(ECM’s), fuel lines, brake lines, and/or cable looms.
For vehicles equipped with electronic braking systems, see “ANTI-SKID BRAKING
PRECAUTIONS”, Motorola publication 68P81109E34.
It is mandatory that modems installed in vehicles fuelled by liquefied petroleum
gas conform to the National Fire Protection Association standard NFPA 58, which
applies to vehicles with a liquid propane (LP) gas container in the trunk or other
sealed off space within the interior of the vehicle. The NFPA 58 requires the
following:
(1) The space in which the LP gas container and its fittings are located must be
isolated by a seal from the space containing modem equipment.
(2) Removable (outside) filling connections shall be used.
(3) The container space shall be vented to the outside.
Planning the Installation
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Planning is the key to fast, easy and safe installation.
Take the following points into consideration when selecting a location and planning the installation.
Installation Constraints
Refer to the Safety Instructions in “Product Safety and RF Energy Exposure Booklet for Mobile Two-Way
Radios Installed in Vehicles or as Fixed Site Control Stations” P/N 6881095C99.
The VML750 must be installed in the car’s trunk, on the floor or the side walls
(cooling fins facing up, or to the side).
6802988C54-B
July 2014
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