User's Guide

Teletrac, Inc. - Prism TM Information and Installation Guide
1622-0300 B1 3/18/04 21
--------------Unit Four--------------
FEATURE COMPARISON
Following is a chart to allow you to quickly see each of the features followed by a description of
the feature. The chart and feature descriptions are broken down into RF VLU, VLU
plus
and Prism
TM features. We will also go over how these features will be implemented to the field.
COMPARISON CHART
Feature
Standard
VLU
VLU
plus
Prism Prism TM
Feature Description
Teletrac Towers X Uses the Teletrac RF system of
towers to determine locations and
transmit information.
GPS Locations X X X Uses Global Positioning System to
determine locations only.
CDPD Connections X Uses Cellular Digital Packet Data
Systems to transmit locations,
messages and events.
GPRS Connection X X Uses General Packet Radio System to
transmit locations, messages and
events,
Low Power Idle Current X Draws a low amount of electricity and
places less of a strain on vehicle
resources.
Dynamic
Power
Management
X X X X Allows for low power consumption
Location Store and
Forward
X X X Can determine location and store for
later transmission if out of coverage.
Message Store
Forward
X X X Allows messages to be stored in the
unit while out of the coverage area
Event Store and
Forward
X X X Can capture an output event such as
ignition on/off and store it for later
transmission if out of coverage.
Peripherals X X X X Can be used with other Teletrac
equipment such as MDTs, SMTs,
panic buttons and other Teletrac
approved peripherals.
Input Configuration X X X X RF VLU, VLU
plus
& PRISM TM can be
wired for inputs such as ignition on/off,
lift up/down, alarm activation, etc.
Long Inbound
Messaging
X X X Send long inbound messages without
additional equipment added to the
Teletrac system.
Over-the-Air
Programming
X
(optional)
X X X Change characteristics by sending
information over the airwaves. More
comprehensive programming for the
VLU
plus
.
Built-in Link Diagnostics X X X Diagnostics connection point.