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XT55 AVL User's Guide
Confidential/Released
2 How to configure and evaluate the XT55 module
The XT55 device can be easily configured and evaluated by the customer using the local
RS-232 interface (directly connected to the serial port) or via remote (e.g. installed in a
vehicle) GSM (air link).
With the Windows HyperTerminal application (utility that is preinstalled on all versions of
Windows 98, 98SE, Windows ME, Windows NT, Windows 2000 and Windows XP) it is
possible to receive GPS position data and alarm status reports, as well as to execute a range
of remote configurations.
In order to connect the XT55 remotely it is absolutely necessary to establish a connection to
a suitable GSM modem.
If the module XT55 is configured remotely, prerequisite is the connection of a suitable GSM
modem.
The configuration possibilities mainly cover the following areas:
1. GPS
• History function
Activation of predefined time, distance and speed as a condition for storing position
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data in the internal history memory, as well as the option of remotely retrieving the
history.
• GPS polling (NMEA commands, data calls)
NMEA command remote request the current status of alarms, start position request.
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Start data calls directly to the GPS position surveillance of a module XT55.
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2.1 Terminal emulator setup
The example given below is based on the Windows™ HyperTerminal application (terminal
emulator program). It describes how to use the module XT55 with a PC running Windows
2000.
On the first time power-up you can use terminal software, which makes the communication
with modem through a RS-232 serial port possible. The following example is using the Hyper
Terminal in Windows 2000.
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