User's Manual

Confidential Document
Page 23 of 26
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The GPRS or UMTS connection can either be enabled by typing the AT$GPRS command thorough the
terminal Tool. Once enabled, the ATrack ServerTool is then installed on a Windows PC in order to
communicate with the AS1 (E) remotely via a GPRS or UMTS network. The ServerTool is a remote server
application, which is mainly used for parsing data by translating binary formats into readable formats or other
testing purposes. Port forwarding is required if the PC is located behind a Broadband router or any other
firewall device or if it has third-party firewall software installed. The communication is bidirectional, which
means you can issue any AT command to the AS1 (E) by clicking the Send button. Please refer to the
following snapshot and the Port forwarding website:
http://portforward.com/ for details.