Omnitron Systems Technology SAM3G - Manual (Page 14)

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Step 4 : Use the default folder, click Next
Step 5 : Click Install, then Finish
c. Connection
Connect the SAM3G to the PC using the supplied USB cable. After connection, the PC will
automatically detect the SAM3G and run the 3G_Watcher.
To set up the data profile, go to the “Tools” option, select “Connections” -> “Profile” then enter
Profile name, User name, Password, Access Point Name (APN) and Connection type. PDP type
default is IP.
8.2 Using the Serial RS232 port
The SAM3G has 2 different configurations for the serial port : General configuration and Meter
configuration.
a. General configuration :
In this configuration, the SAM3G’s default terminal speed is 115200bps, data format is 1+8+1.
There are only 4 serial data signals supported, namely RXD, TXD, RTS and CTS.
b. Meter configuration :
In this configuration, the SAM3G will be controlled by an internal micro-controller, its default
terminal speed is 9600bps, 1+8+1. There are 5 serial data signals supported, namely RXD,TXD,
RTS,CTS and DCD.
c. Connection :
To test the serial port configuration, follow these steps :
- Insert the USIM card into the SAM3G
- Connect the Antenna
- Connect the SAM3G to the PC’s COM port using the supplied serial cable (RJ45-DB9).
- On the PC, run a terminal program, ex. HyperTerminal, set the program speed at either
115200bps, or 9600bps.
- Connect the 12Vdc to the SAM3G Red+Black wires
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