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ALEOS 4.2.3 User Guide
208 20080616
Configuring the AirLink Device for GPS
This section covers general configuration. Configurations for specific protocols
are covered in later sections.
To configure your modem’s GPS settings, you can use either ACEmanager or a
terminal connection to configure the modem using AT commands. The
configuration examples in this chapter all use ACEmanager. Most of the settings
are in the group: PinPoint.
Tip: You can use a fully qualified domain name instead of an IP address for most configu-
ration options calling for an IP address if your AirLink device is configured to use DNS.
Refer to the IP Manager chapter for how to configure DNS and how to allow your AirLink
device use a domain name even with a dynamic IP address account from your cellular
provider.
Real-Time Clock Synchronization
Every hour, the AirLink devicet will sync the internal Real Time Clock (RTC) with
the Universal Time Coordinated (UTC) received from the GPS satellites.
Many tracking applications will translate the time reported by the AirLink device as
part of the GPS message to the appropriate local time zone using the UTC offset
(i.e. California is UTC-8 and New York is UTC-5).
Tip: ACEmanager displays the current time (UTC) set in the AirLink device and does not
translate it to the local time zone. If the AirLink device is in California and it is 8 a.m., the
modem’s time will be shown as 4 p.m, since UTC is 8 hours “ahead” of Pacific time (UTC-
8).
Configuring the Datum
You can change the Datum used by your AirLink device by configuring
*PPGPSDATUM. Match the Datum to the Datum used by your tracking
application.
Over-The-Air (Remote) Host
To set the AirLink device to report to an external or remote host, configure *PPIP
(ATS Server IP) and *PPPORT (Server Port). *PPIP will work with any remote
host.
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