Figure 7-1 Entire Connection
The USB2 interface is on the side of the ZXHN F680.
Verify that the cable connections are correct, and press the On/Off button. After
the power indicator is lit and other indicators operate properly, services of the
carrier can be used.
The Power indicator on the front panel is off after the power button is pressed.
The power adapter is not correctly connected to the device. Be sure to use the
power adapter supplied with the device.