Multitech MultiModem Wireless Modem GSM/GPRS with GPS MTCBA-G-GP-F1 사용자 설명서

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Chapter 3 – Setup/Configuration Examples 
Multi-Tech Systems, Inc. MultiModem Wireless EDGE, GPRS, and CDMA Modems with GPS (S000376A) 
16 
 
Application Example 2 
 
This example shows the MultiModem GRPS Wireless Modem with GPS 
mounted in a truck that can be tracked by a GPS satellite.  
 
 
 
This configuration shows a MultiModem located in a vehicle and not connected to a portable PC. The 
MultiModem in this example simply reads the GPS data as it is sent from GPS satellite, and then it broadcasts 
the data to your central tracking system by way of your CDMA, GPRS, or EDGE network provider connection.  
Note that in this example, you cannot configure the GPS; you can only receive data from port 1 of the GPS.  
1. 
Mount the MultiModem in a vehicle. 
2. 
Attach both antennas (the GPS antenna and the GSM/ CDMA antenna). 
3. 
Verify the S1 switch up (the default). 
4. 
Set the S2 switch down. This allows data from the GPS port 1 to flow to the wireless modem side 
of the MultiModem. Then, when you call into this modem from a remote location, the GPS data is 
displayed on the remotely located workstation’s screen. Note that the workstation can be a laptop 
or a handheld device.  
5. 
Connect to a power source; for example, to a cigarette outlet on a vehicle. 
6. 
Your central tracking station can then retrieve the data wirelessly from your CDMA, GPRS, or 
EDGE network provider connection.