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Home Prev Next Touchstone CM450 Cable Modem User’s Guide 29

Safety Getting Started Installation USB Drivers Usage Troubleshooting Glossary

LED Indicators: Startup Sequence

The following table shows the Cable Telephony Modem light patterns during each

phase of the startup sequence. An x indicates that the light is not important for de-

termining the state.

Name

Description

Power Online Cable USB Ethernet

Off Off Off Off Off No power to Cable Modem

On Off Off Off Off Power-on Self Test

Blink Off Off Off Off Self Test failed

Blink Off Blink x x Scanning for downstream RF carrier

Blink Off On x x Initial ranging in progress

Blink Blink On x x Obtaining data IP address (DHCP)

Blink On On x x Downloading data configuration (TFTP)

On On/Blink On/Blink x x Data registration complete

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Arris CM450 Betriebsanweisung Seite 31