Front Panel LED Status Indicator Functions

Normal Operations (AC Power applied)

The following chart illustrates the appearance of the LED status indicators on the front panel of the cable modem during normal operations when AC power is applied to the modem.

Front Panel LED Status Indicators During Normal Operations

Front Panel

Normal Operations

Indicator

 

 

 

 

1

POWER

On

 

 

 

2

DS

On

 

 

 

3

US

On

 

 

 

4

ONLINE

On

 

 

 

5

LINK*

On – When a single device is connected to either the

 

 

Ethernet or USB port and no data is being sent to or from

 

 

the modem

 

 

Blinks – When only one Ethernet or USB device is

 

 

connected and data is being transferred between the

 

 

consumer premise equipment (CPE) and the cable modem

 

 

Off – When no devices are connected to either the

 

 

Ethernet or USB ports

 

 

 

6

TEL1

On - When VoIP service is enabled

 

 

Blinks - When Line 1 is in use

 

TEL2

On - When VoIP service is enabled

 

 

Blinks - When Line 2 is in use

7

Battery

On – When battery is charged

 

 

Blinks – When battery charge is low

 

 

Off – When there is no battery in the unit

*With both Ethernet and USB devices connected to the modem at the same time, when data is being transferred through only one of the devices (Ethernet or USB), the indicator will illuminate continuously. Whenever data is being sent through both data ports (Ethernet and USB) simultaneously, the indicator will blink as described.

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4019777 Rev B

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Cisco Systems DPQ3212 Normal Operations AC Power applied, Front Panel LED Status Indicators During Normal Operations