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Central office for a full digital loop

  • US 20010004382A1
  • Filed: 12/14/2000
  • Published: 06/21/2001
  • Est. Priority Date: 12/21/1999
  • Status: Abandoned Application
First Claim
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1. Central office (ADSL_LT) for use in a full digital loop, said central office (ADSL_LT) comprising a digital modem (LT ADSL MODEM) capable to simultaneously transceive digital data and at least one in-band telephone signal during normal operation, CHARACTERISED IN THAT said central office (ADSL_LT) further comprises a by-pass circuit (LT POTS TERMINATION, S1) for a telephone signal in case of emergency, said by-pass circuit (LT POTS TERMINATION, S1) not comprising a ringing signal generator.

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