22
C
HAPTER
3: C
ABLE
M
ODEM
O
PERATION
transmitted over the RF interface and at a rate dependent
on data throughput.
4 Multifunction
- The function of this LED will be
determined by your cable company. Depending on how
your Broadband Service Provider utilizes this LED, there may
or may not be an audio notification associated with this
LED, as well.
LED on the Back of the Modem
The LED on the back of your cable modem (located by the
power adapter jack) is a status LED. The following chart
explains how to interpret it’s activity:
:
data rate
multifunction
Table 1
LED STATE
REPEATING
DESCRIPTION
SHORT OFF, LONG
ORANGE
YES
Startup, power on self test
ORANGE
NO
Failed power on self test
SHORT OFF, SHORT
ORANGE
YES
Downstream hunt
LONG ORANGE, SHORT
GREEN
YES
Acquisition in process
SHORT OFF, SHORT
GREEN
YES
Offline/not authorized for
service
GREEN
NO
Fully operational state
