Initial Power Up, Calibration, And Registration (Ac Power Applied) - Cisco DPC3008 User Manual

Chapter 3 Operation of Front Panel Indicators
Initial Power Up, Calibration, and Registration (AC
Power applied)
The following chart illustrates the sequence of steps and the corresponding
appearance of the cable modem front panel LED status indicators during power up,
calibration, and registration on the network when AC power is applied to the cable
modem. Use this chart to troubleshoot the power up, calibration, and registration
process of your cable modem.
Note: After the cable modem completes Step 7 (Data Network Registration
Complete), the cable modem proceeds immediately to Normal Operations. See
Normal Operations (AC Power applied) (on page 17).
Front Panel LED Status Indicators During Initial Power Up, Calibration, and
Registration
Step:
Front Panel
Indicator
1 POWER
2 DS
3 US
4 ONLINE
5 LINK
16
High Speed Data Registration
1 2 3
Self Downstream Downstream
Test Scan Signal Lock
On On On
On Blinking On
On Off Off
On Off Off
On On or Blinking On or Blinking
4 5
Ranging Requesting IP
Address
On On
On On
Blinking On
Off Off
On or On or Blinking
Blinking
6
Request High Speed
Data Provisioning
File
On
On
On
Blinking
On or
Blinking
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