25
1. Tuning
–
The cable
modem is functional
and searching for a
downstream cable
modem service
channel on your
cable system.
2. Ranging
–
The modem
is now tuned to a
downstream cable
modem channel and
can now receive data.
Now it searches for an
upstream channel so
that it can send data.
3. Connecting
–
The
cable modem is now
communicating
start-up data both
downstream and
upstream.
The cable company
is establishing IP
connectivity with
your modem.
4. Configuring
–
The
cable modem
received its IP
address and is
downloading its
configuration file
from the Internet
Service Provider
(ISP).
X
X
X
X
X
X
X
X
X
X
activating the Cable Modem
5. Registering
–
The cable modem configuration is complete. It
is registering its
“
as-configured
”
settings with your Cable
Operator. Once complete, the POWER, PC LINK, and CABLE
indicators stop flashing and remain on.
X
X
X
X
X
Initialization Mode
After you install the cable modem and turn it on for the first time (and each time the
modem is reconnected to the power), it goes through five steps before it can be used.
Each of these steps is represented by a different pattern of flashing lights on the front of
the modem.
Note: All LED (Light Emitting Diodes)/light indicators flash once prior to the initialization
sequence.
Legend
Off On Flashing
X
