Cisco DPQ3212 - Manual (Page 36)

36 4019777 Rev B
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
Indicator Normal Operations
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.