Motorola SB6120 - SURFboard - 160 Mbps Cable Modem User Manual - Page 34
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3 TROUBLESHOOTING
Front-Panel Lights and Error Conditions
Light
DS
US
ONLINE
POWER
Turns Off During Startup If:
The downstream receive channel
cannot be acquired
The upstream send channel cannot
be acquired
IP registration is unsuccessful
The SB6120 is not properly plugged
into the power outlet
Turns Off During Normal
Operation If:
The downstream channel is lost
The upstream channel is lost
The IP registration is lost
The SB6120 is unplugged
27