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3Com Cable Modem External User Manual

Page 44

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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