Chapter 6
Event-triggered Periodic Reporting &
Alert Message
Both periodic reporting & alert messages are sent through TCP or through UDP by the unit to the server
when a defined event is triggered.
This chapter describes the syntax of the alert and periodic reporting (Report type syntax #1) and the
geofence alert message (syntax #2) As well as the special UDP with ACK format and behavior (syntax #3).
6.1
Meaning of Syntax Fields
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<ID> IMEI number of the unit
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<PF> the profile name
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<GPS> GPS status
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<BV> battery voltage
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<RSSI> GSM signal strength
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<STARTER> starter status
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<IGNIT> ignition mode
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<D> date
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<T> time
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<LT> latitude
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<LN> longitude
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<AL> altitude in meters
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<SP> speed in mph
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<DIR> direction in degree
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<SAT> number of satellites used position fix
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<HDOP> GPS position accuracy indication
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<MI> mileage reading
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<GF_ID>
•
First digit = the index number 0 to 9 of the geofence
•
Second digit = 1 or 2 (1 means out of fence violation; 2 means inside the fence violation)
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