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MTX-DIN Family
www.mtxm2m.com
2015/10 v2.3
Page
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103
MTX M2M® by MATRIX ELECTRONICA S.L.U
4.1
Mini USB connector
The MTX-DIN modems support a USB 2.0 High Speed (480Mbit/s) device interface. The USB interface
is primarily intended for use as a command and data interface and for downloading firmware. The
USB I/O pins are capable of driving the signal at a minimum of 3.0V. They are 5V I/O compliant.
The USB port has different functions depending on whether or not Java is running. Under Java, the
lines may be used for debugging purposes. If Java is not used, the USB interface is available as a
command and data interface and for downloading firmware.
To properly connect the module’s USB interface to the host, a USB 2.0 compatible connector is
required. Furthermore, the USB modem driver delivered with MTX-DIN must be installed as
described below.
The USB host is responsible for supplying power, across the VUSB_IN line, to the module’s USB
interface. This is because MTX-DIN is designed as a self powered device compliant with the
“Universal Serial Bus Specification Revision 2.0”.
The MTX-DIN cannot be powered by USB port.
There are drivers available for Windows and Linux environment applications. Visit the MTX-DIN web
page at