Huawei ETS2251, User Manual

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HUAWEI
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Caution:
To avoid damaging the device when making connection, make sure to
turn off the FWT before making connection and use the special serial
cable provided by the manufacturer.
Figure 4-5 Connecting the FWT to a PC through a serial communication
cable
Connecting the FWT to PC through a USB Port
As shown in Figure 4-5, connect the USB end of the serial cable to PC and the
other end to the serial port of the FWT and fasten the captive screw holding it in
place, ensuring that the connection is reliable.
Caution:
To avoid the odds of damaging the device when making connection,
make sure to turn off the FWT before making connection and use the
specially designed USB serial cable provided by the manufacturer.