Front-panel lights and error conditions – Motorola SB4220 User Manual
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SURFboard Cable Modem SB4220 Series User Guide
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Front-Panel Lights and Error Conditions
For more information about the lights, see
Light
Turns Off During Startup If
Turns Off During Normal Operation If
Receive The receive channel cannot be acquired
The receive channel is lost
Send
The send channel cannot be acquired
The send channel is lost
Online
IP registration is unsuccessful
The IP registration is lost
Power
The cable modem is not properly plugged into
the power outlet
The cable modem is unplugged or is in standby
mode. Press the Standby button
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