Communication Settings - Systech Corporation CAREU U1 Lite User Manual

3.2 Communication Settings

The CAREU U1 LITE PLUS Vehicle Tracker communicates with your control center by
either SMS or 2G/3G (TCP/UDP). Before the device is installed into a vehicle,
communication parameters should be set.
1. SMS Configuration
Use AT$SMSDST command to set a SMS control center phone number or short code.
For example, if the SMS control center phone number is +886123456789, the
AT$SMSDST command to be issued into HyperTerminal should be:
AT$SMSDST=+886123456789
OK
Then you can try to use cellular phone or SMS gateway to send a SMS message to
the CAREU U1 LITE PLUS device. Send a SMS message -->"AT$MODID?"
Device will response:
$MODID=101000001
OK
This proves a successful mobile phone SMS connection.
2.WirelessConfiguration
Set GPRS servers by using the folloiwng commands:
AT$APN=internet,username,password (APN=internet, Username=username,
Password=password) OK
AT$HOSTS=1,0,60.148.19.10,6000
(Server IP address = 60.148.19.10 and Port number =6000) OK
AT$RETRY=5,10 (Message retry settings) OK
AT$IPTYPE=1 (Using TCP/IP mode) OK
AT$GPRSEN=1 (GPRS enable) OK
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