Getting Started
4. Connect the serial cable to the USR3500.
5. Plug the external power supply into the
USR3500 and connect to an AC power
source.
Refer to section 6.10 Main AT Commands for the list of commands used to configure
the USR3500.
Note:
For automotive applications, it is recommended to connect the DC-IN line of the USR3500 directly to
the positive terminal of the battery.
5.2.1.
Inserting the SIM Card
In order to insert the SIM card into the USR3500, follow the procedures below:
1. Prepare the SIM card in the correct
position as shown in the figure.
Rev 1.1
Using the USR3500
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