Motorola sb6120 - Manual (Page 34)

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3 TROUBLESHOOTING
If the solutions listed here do not solve your problem, contact your service provider.
Before calling your service provider, try pressing the reset button on the rear panel
of the SB6120. Resetting the SB6120 may take 5 to 30 minutes. Your service
provider may ask for the status of the lights as described in
Front-Panel Lights and
Error Conditions .
Problem Possible Solution
Power light is off Check that the SB6120 is properly plugged into the electrical
outlet.
Check that the electrical outlet is working.
Cannot send or
receive data On the top front panel, note the first light that is off. This
light indicates where the error occurred, as described in
Front-Panel Lights and Error Conditions . If you have cable TV,
check that the TV is working and the picture is clear. If you
cannot receive regular TV channels, your data service will
not function.
Check the coaxial cable at the SB6120 and wall outlet.
Hand-tighten if necessary.
Check the IP address. Follow the steps for verifying the IP
address for your system described in
Configuring TCP/IP . Call
your service provider if you need an IP address.
Disconnect and reconnect the Ethernet cable from the cable
modem and your computer to make sure it is properly
seated.
Front-Panel Lights and Error Conditions
Light Turns Off During Startup If: Turns Off During Normal
Operation If:
DS The downstream receive channel
cannot be acquired The downstream channel is lost
US The upstream send channel cannot
be acquired The upstream channel is lost
ONLINE IP registration is unsuccessful The IP registration is lost
POWER The SB6120 is not properly plugged
into the power outlet The SB6120 is unplugged