Front Panel Led Status Indicator Functions - Scientific Atlanta DPX2203, EPX2203 User Manual

Front Panel LED Status Indicator Functions

Initial Power Up, Calibration, and Registration
The following chart illustrates the sequence of steps and the corresponding
appearance of the front panel lights on the cable modem during power up,
calibration, and registration on the network. Use this chart to troubleshoot the power
up, calibration, and registration process of your cable modem.
Note: After the cable modem completes step 8 (Registration Completed), the modem
proceeds immediately to Normal Operations.
Front Panel LED Status Indicators During Initial Power Up, Calibration, and Registration
Step 1
Front Panel Power
Indicator Up
4 Line 2 Off
1
5 Line 1 Off
6 PC Off
2
7 Cable Off
8 Send Off
9 Receive Off
10 Power On
LEDs number 1, 2, and 3 (Replace Battery, Battery Low, and AC Power) are part of the optional battery pack and are not affected by
1
the power up, calibration, and registration process.
The PC light is on whenever a PC is connected to the modem, and it blinks to indicate that data is being transferred. If the modem is
2
used to provide telephone service only and is not connected to a PC, the PC light is off.
4004041 Rev C
2 3 4
Self Downstream Downstream
Test Scan Signal Lock
On Off Off
On Off Off
On Off, On or Off, On or
Blinking Blinking
On Slow Momentary
Blinking On
1 Blink
On Off Off
On Off Off
On On On
Front Panel LED Status Indicator Functions
5 6
Ranging Requesting
IP Address
Off Off
Off Off
Off, On or Off, On or
Blinking Blinking
Off Blinking
2 Blinks
Occasional Occasional
Blinking Blinking
Occasional Occasional
Blinking Blinking
On On
7 8
Registering Registration
Complete
Off Off
Off Off
Off, On or Off or On
Blinking
Blinking On
4 Blinks
Occasional On
Blinking
Occasional On
Blinking
On On
47