Cisco Systems 4027669 Manual De Usuario

10 

 

4028103 Rev A 

 

The front panel of your cable modem provides LED status lights that indicate how 
well and at what state your cable modem is operating. After the cable modem is 
successfully registered on the network, the POWER and CABLE status indicators 
illuminate continuously to show that the cable modem is active and fully 
operational. See Functions of Front Panel LED Status Indicators for more 
information on front panel LED status indicator functions.  

 

1  POWER—Illuminates solid green 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 during normal operation 

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

Illuminates during normal operation 

4  ONLINE—Illuminates solid green 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 solid green 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