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12 4023034 Rev B
Front Panel Description
Front Panel Description
The front panel of your cable modem provides LED status indicators that indicate
how well and at what state your cable modem is operating. After the cable modem is
successfully registered on the network, the POWER and ONLINE LED status
indicators illuminate continuously to show that the cable modem is active and fully
operational. See Front Panel LED Status Indicator Functions (on page
32) for more
information on front panel LED status indicator functions.
1 POWER—Illuminates solid green to indicate that power is
being applied to the cable modem
2 DS (Downstream)—Illuminates solid green to indicate that the
cable modem is locked onto the downstream signal or blinks to
indicate that the cable modem is scanning for the downstream
signal
3 US (Upstream)—Illuminates solid green to indicate the
upstream connection is operational, blinks to indicate that
upstream calibration is in progress and during registration with
the system. Off when the modem is off-line.
4 ONLINE—Illuminates solid green when the cable modem is
registered on the network and fully operational
5 LINK—Off when no Ethernet/USB device is present,
illuminates solid green to indicate that an Ethernet/USB device
is connected, and blinks to indicate that Ethernet/USB data is
being transferred between the PC and the cable modem
Note: After the cable modem is successfully registered on the
network, the POWER (LED 1), DS (LED 2), US (LED 3), and
ONLINE (LED 4) indicators illuminate continuously to indicate
that the cable modem is online and fully operational.