User's Manual

Table Of Contents
GlobalTrak ™ GT Lite Operation and Maintenance Manual
Interface Description Pin
Count
Li-ion Charging
Power
For connection to external Li-ion charger 1
Charging Ground Ground for external charger, external power 1
Main Serial
RS232 TX, RX, GND
3
AUX Serial
RS232 TX, RX
2
Door Sense & Gnd
Routed to external door sensor
2
Analog In
General purpose 10-bit
1
Power Out
Available 3.3V, low current
1
Analog Gnd
For low-noise analog reads
1
Total:
12
Prepared: R. Straz Date: July 25, 2007 Page 27 of
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