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3
OVERVIEW
Elements of the system
Vehicle Equipment
Equipment installed in the vehicle will include (at least) the TRAKIT vehicle device
connected to the mobile radio. The TRAKIT vehicle device includes the GPS receiver,
communications modem and a data buffer. A GPS antenna connects to the TRAKIT and
is installed to have a clear view of the sky.
The radio has its own antenna and is used to send locations from the vehicle through the
radio communications network to the base station.
Dispatch Base
At the base station the data is received by the base radio and sent to the TRAKIT base
device. A computer with TRAKIT software connects to the TRAKIT base device to
accept the data and process it. The data is used for display of vehicle icons over a digital
Data Files
Base Dispatch
Radio
VEHICLE
Vehicle
TRAKIT
Radio
Vehicle Icon
(Software)
TRAKIT Vehicle Supervisor
TRAKIT Vehicle Terminal
GPS Satellite
900 MHz
800 MHz
450 MHz
150 MHz
220 MHz
DISPATCH BASE
Printer
Screen Output
Vehicle Icon
Computer
Data Buffer
TRAKIT GPS AVL
Fleet Management System
COMMUNICATION LINK
SYSTEM
CELLULAR
TOWER
RADIO
SATELLITE
ORBCOMM
Cellular
GPS Antenna
LEO
(Cellular/LEO E-mail)
Land line Phone
- or -
- or -
(OPTIONAL)
- or -
Monitor
Play Back
Event Alerts
Printed Maps
Preventive Maintenance -
Reports
Graphs
Schedules
(LEO)
12V Power
Supply
TRAKIT
Base
Содержание TRAKIT USA
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