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APPARATUS FOR AND METHOD OF REDUCING POWER CONSUMPTION IN A CABLE MODEM

  • US 20080018427A1
  • Filed: 06/19/2007
  • Published: 01/24/2008
  • Est. Priority Date: 07/19/2006
  • Status: Active Grant
First Claim
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1. A method of reducing power consumption in a cable modem coupled to a cable head-end and incorporating a PHY circuit having a normally active multi-channel wideband mode and single-channel narrowband mode of operation, said method comprising the steps of:

  • sensing loss of external power to said cable modem;

    requesting from said cable head-end to switch to said single-channel narrowband mode of operation; and

    upon approval from said cable head-end, shutting down said multi-channel wideband mode of operation and activating said single-channel narrowband mode of operation.

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