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1 OVERVIEW
Front Panel
The SB6120 front panel lights provide information about power, communications,
and errors.
Key
Light
1
2
3
4
5
During normal operation, the POWER, RECEIVE, SEND, and ONLINE lights are ON.
The LINK light flashes when the cable modem is transferring data.
Off
Flashing
Power is
This light never flashes
disconnected
Receive channel
Scanning for a receive
not found
(downstream) channel
connection
Send channel not
Scanning for a send
found
(upstream) channel
connection
Internet
Scanning for configuration
connection failed
parameters
No connection to
Transmitting or receiving
the SB6120
data on Ethernet port
Ethernet port
detected
2
On
Green: Power is properly
connected
Green: Downstream
channel is connected
Blue: Downstream channel
is connected with bonded
channels
Green: Upstream channel is
connected
Blue: Upstream channel is
connected with bonded
channels
Connected to Internet
Amber: A device, computer
or hub, is connected via the
Ethernet (10Base-T) or Fast
Ethernet (100Base-T) port
Blue: High-speed Gigabit
Ethernet connection from
SB6120 to your PC