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Mini-MT User Guide
Revision 1.02
GSM2228UG001 Page 8
4.3 Interconnections
4.3.1 USB Connection
The USB connector (see Figure 3) is used for charging the battery and for data
communication. The unit will charge from a laptop computer, AC to USB power
adapter, or vehicle power to USB adapter. (See Figure 3)
Data communications with the Mini-MT is also performed through the USB connector.
The USB connection is used to configure or customize the Mini-MT operation. This
connection also is used to provide GPS NMEA data to a mapping or user application.
NOTE: The USB cable needs to support 480 mA.
4.3.2 Headphone Jack
The headphone jack provides the user with the ability to connect a standard 2.5mm
headset (not supplied with the modem) when the speakerphone mode is not desirable.
(See Figure 3)