Huawei EM770W User Manual page 15

3. Insert the connector of the main antenna into the MAIN antenna interface (M) of the
EM770W according to the indication on the label of the EM770W. Insert the connector of
the diversity antenna into the AUX antenna interface (A) of the EM770W in the same way.
Three different kinds of antenna interface are supported on the DEMO board of EM770W.
After connecting the antenna interfaces of EM770W with its DEMO board interfaces through
two cables provided in the EM770W packing box,
be connected from the DEMO board.
Note:
„
Insert the antenna connectors vertically into the antenna interfaces of the EM770W.
„
Do not pinch the antenna cable or damage the connectors. Otherwise, the wireless
performance of the EM770W may be reduced or the EM770W cannot work normally.
„
Ensure that the antenna cables are routed well and do not lay across the raised edges of
the frame.
4. Select and connect the interface(s) needed as follows
„
Insert the USIM/SIM card into the SIM socket.
„
Connect the COM1 or COM2 to the serial port of PC or other master device.
„
Connect the Mini USB to the USB port of PC or other master device.
„
Insert the earphone into the earphone interface.
„
Insert the phone port into the phone interface.
Note:
„
Mini USB interface can be used to supply the power of the DEMO board, so once connect
the Mini USB, the EM770W will be powered on.
5. Insert the external power supply, which nominal voltage is 5V.
Note:
„
If Mini USB is used, the power of USB can supply the 5V power to the DEMO board, and the
external 5V Power supply can be unused.
the MAIN and diversity antennas also can
8