User's Manual

GlobalTrak ™ GT Lite Operation and Maintenance Manual
The inventory message consists of a standard logger message, followed by the type of
inventory message (New or Change), tag datatype and tag data.
Tag Datatype
The tag datatype indicates the type of tag data being transmitted. Since each type of reader
may contain data in addition to tag number, the tag datatype allows this data to be processed
properly. The list of current tag datatypes is below.
Description
Wavetrend RFID tags – Tag ID only
Wavetrend RFID tags – All tag data
Barcode tags
EPC Gen2 – EPC only
Software Upgrade Notification Message
After a software upgrade for either low power controller or main processor, the device will
return a message to confirm the upgrade is complete. The message contains the processor
upgraded whether the upgrade was successful or failed, and the current software version.
Server to Device Message Description
Server to Device messages are sent from the server to the GT Lite. During standard
operation, the GT Lite will only look for an incoming message after a successful transmission.
For example, the GT Lite will only look for an incoming GPRS message after successfully
sending a GPRS message.
While in “Always On” mode, the GSM receiver is left in an idle state. While in this mode, the
GT Lite will always be able to receive an incoming SMS
Network Configuration Message
The network configuration message allows the user to configure the network parameters of
the GT Lite. Below are the configurable parameters.
Parameter Description
Server Mobile Number The server number used for outgoing SMS messages
GPRS Address TCP/IP server address for device to server GPRS messages
GPRS Port TCP/IP port number for device to server GPRS messages
GPRS APN Name APN server name for GPRS service provider
Prepared: R. Straz Date: July 25, 2007 Page 39 of
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