40
C
HAPTER
4: C
ABLE
M
ODEM
O
PERATION
■
Data Rate - Indicates data is being transmitted over the
cable network. This LED should blink when data is being
transmitted over the RF interface and at a rate
dependent on data throughput.
■
Multifunction - Your cable service provider determines
the function of this LED. Depending on how your cable
service provider uses this LED, there may or may not be
an audio notification associated with this LED.
The LED on the back of the cable modem (located near the
power jack) is a status LED. The following chart explains
how to interpret its activity:
LED on the Back of the Modem
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
