Chapter 9 Troubleshooting the Installation
122
68-4004214-01 Rev D
DPR2320 and EPR2320 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 cable modem gateway front panel LED status indicators during
power up, calibration, and registration on the network when AC power is applied to
the cable modem gateway. Use this chart to troubleshoot the power up, calibration,
and registration process of your cable modem gateway.
Note:
After the cable modem gateway completes step 7 (Registration Completed),
the modem proceeds immediately to
Normal Operations
(on page 123).
DPR2320 and EPR2320 Front Panel LED Status Indicators During Initial Power Up, Calibration, and Registration
Step →
1
2
3
4
5
6
7
Front Panel
Indicator
Self
Test
Downstream
Scan
Downstream
Signal Lock
Ranging
Requesting IP
Address
Registering
Registration
Completed
1 Power
ON
ON
ON
ON
ON
ON
ON
2 Receive
Data
ON
BLINKING
ON
ON
ON
ON
OFF or
BLINKING
3 Send
Data
ON
OFF
OFF
BLINKING
ON
ON
OFF or
BLINKING
4 Cable
ON
OFF
OFF
OFF
OFF
BLINKING
ON
5 PC
ON
ON or BLINKING when connected to CPE
OFF when not connected to CPE
6 PC
Wireless
ON
ON or BLINKING when wireless interface is enabled
OFF when wireless interface is disabled
