Operating instructions

Chapter 4 Troubleshooting the Installation
38 72-4017315-01 Rev B
Functions of Front Panel LED Status 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 10 (Registering with Call Agent), the
modem proceeds immediately to Normal Operations (AC Power applied) (on page
39).