Troubleshooting Overview
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Troubleshooting Overview
This section provides a table that illustrates a summary of the visual status of the
front-panel LED status indicators for the various cable modem gateway situations
and conditions described in this chapter.
Summary of Front Panel LED Status Indicators
The following table provides a summary of the visual status of the front panel LED
status indicators for the various cable modem gateway situations and conditions
described in this chapter when AC power is applied to the cable modem gateway.
Use this table as a quick reference for troubleshooting your cable modem gateway.
Note:
Detailed troubleshooting procedures for each of the conditions described in
this table follow later in this chapter.
Front Panel
Indicator
No
Power
No Downstream
Signal Lock
Ranging Not
Complete
IP Connectivity
Not Complete
Registration Not
Complete
POWER
OFF
ON
ON
ON
ON
RECEIVE
DATA
OFF
BLINKING
ON
ON
ON
SEND DATA
OFF
OFF
BLINKING
ON
ON
CABLE
OFF
OFF
OFF
BLINKING
BLINKING
PC
OFF
ON or BLINKING when connected to CPE
OFF when not connected to CPE
PC WIRELESS OFF
ON or BLINKING when wireless interface is enabled
OFF when wireless interface is disabled
