Cisco Systems DPQ3212 Manual De Usuario

4019777 Rev B 

 

11 

 

The front panel of your cable modem provides status LEDs that indicate how well 
and at what state your cable modem is operating. See Front Panel LED Status 
Indicator Functions (on page 35) for more information on front-panel LED status 
indicator functions. 

 

1  POWER – Illuminates continuously to indicate that AC power is being applied 

to the cable modem.  

2  DS (Downstream) – Indicates the status of the connection for receiving data. 

Illuminates continuously during normal operation; blinks to indicate the unit is 
scanning for the downstream signal. 

3  US (Upstream) – Indicates the status of the connection for sending data. 

Illuminates continuously during normal operation.  

– Illuminates continuously when the cable modem is registered on the 

network and fully operational. This indicator blinks to indicate one of the 
following conditions: 

 

The cable modem is booting up and not ready for data 

 

The cable modem is scanning the network and attempting to register 

 

The cable modem has lost registration on the network and will continue 
blinking until it registers again 

5  LINK – Illuminates continuously to indicate that an Ethernet/USB carrier is 

present and blinks to indicate that Ethernet/USB data is being transferred 
between the PC and the cable modem. 

6  TEL 1 – Illuminates continuously when VoIP service is enabled. Blinks when line 

1 is in use 

7  TEL 2 – Illuminates continuously when VoIP service is enabled. Blinks when line 

2 is in use