Initial Power Up, Calibration, And Registration (Ac Power Applied) - Cisco DPC3940 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 residential gateway front panel LED status indicators during
power up, calibration, and registration on the network when AC power is applied to
the residential gateway. Use this chart to troubleshoot the power up, calibration, and
registration process of your residential gateway.
Note: After the residential gateway completes Step 7 (Data Network Registration
Complete), the residential gateway proceeds immediately to Normal Operations. See
Normal Operations (AC Power Applied) (on page 22).
Front Panel LED Status Indicators During Initial Pow er Up, Calibration, and
Registration
Step:
Front Panel
Indicator
1 POWER
2 DS
3 US
4 ONLINE
5 ETHERNET
1-4
6 USB
7 WIRELESS
ON/OFF
8 WIRELESS
SETUP
9 TEL 1
10 TEL 2
11 BATTERY
(Optional
for some
models)
Front Panel LED Status Indicators During Initial Pow er Up, Calibration, and
Registration
Step:
20
Part 1, 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 Off, On or Off, On or
Blinking Blinking
On On or Blinking On or Blinking
Off On or Blinking On or Blinking
Off On or Blinking On or Blinking
On Off Off
On Off Off

On – When battery is charged

Blinks – When battery charge is low

Off – When there is no battery in the unit
Part 2, Telephone Registration
7 8
4 5
Ranging Requesting IP
Address
On On
On On
Blinking On
Off Off
Off, On or Off, On or
Blinking Blinking
On or On or Blinking
Blinking
On or On or Blinking
Blinking
On or On or Blinking
Blinking
Off Off
Off Off
9 10
6
Request High Speed
Data Provisioning
File
On
On
On
Blinking
Off, On or Blinking
On or Blinking
On or Blinking
On or Blinking
Off
Off
11
OL-30505-01