Table of Contents
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Chapter 9 Troubleshooting the Installation
DPR2325 and EPR2325 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 125).
DPR2325 and EPR2325 Front Panel LED Status Indicators During Initial Power Up, Calibration, and Registration
Step →
1
2
Front Panel
Self
Downstream
Indicator
Test
Scan
1
Power
ON
ON
2
Receive
ON
BLINKING
Data
3
Send
ON
OFF
Data
4
Cable
ON
OFF
5
Ethernet
ON
ON or BLINKING when connected to CPE
(4 LEDs)
OFF when not connected to CPE
6
USB
ON
ON or BLINKING when connected to CPE
OFF when not connected to CPE
7
Wireless
ON
ON or BLINKING when wireless interface is enabled
OFF when wireless interface is disabled
124
3
4
Downstream
Ranging
Signal Lock
ON
ON
ON
ON
OFF
BLINKING
OFF
OFF
5
6
Requesting IP
Registering
Address
ON
ON
ON
ON
ON
ON
OFF
BLINKING
7
Registration
Completed
ON
OFF
OFF
ON
68-4004214-01 Rev D
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Table of Contents
Troubleshooting
