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US 2003/0198341 A1Published application
Integrated POTS/MLT card
AssigneeADC DSL Systems, Inc.
InventorsChristopher S. Smith, Richard Thomas Mann
Life of this patent
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Abstract
An integrated plain old telephone service (POTS) and metallic loop testing (MLT) card provides lifeline telephone service with multiple channel data service. The integrated card can be piggybacked with an ADSL card to provide a single package of POTS, MLT, and ADSL services.
Claims27
An integrated POTS and MLT card, comprising:
- voice processing circuitry to generate voice signals from external voice data;
- POTS circuitry connected to receive voice signals from the voice processing circuitry and to generate combined POTS and ADSL signals from the voice signals and external ADSL data signals;
- metallic loop tester (MLT) circuitry to receive the combined ADSL and POTS signals and to allow MLT testing of the combined ADSL and POTS signals;
- and
- a command module to control the voice processing circuitry, the POTS circuitry, and the MLT circuitry.
2 more elements
A telecommunications line card assembly, comprising:
- a combined POTS and MLT card;
- and
- an ADSL card piggybacked to the combined POTS and MLT card.
A combined POTS and MLT card, comprising:
- a voice processing block to generate voice signals from incoming voice data;
- a plurality of POTS splitters to combine a plurality of external ADSL signals and the plurality of voice signals;
- a metallic loop tester block (MLT) to receive the combined ADSL and POTS signals;
- and
- a management processing module connected to the voice processing block and to the MLT block to control operation thereof.
2 more elements
A method of providing POTS and MLT on a single card, comprising:
- providing a management module connected to control a POTS circuit and a voice processing circuit;
- receiving external voice data through an ATM bus to the voice processing circuit;
- extracting a predetermined number of voice channel signals from the voice data;
- receiving external ADSL data to the POTS circuit;
- and
- combining in the POTS circuit the received external ADSL data and the extracted voice channel signals to generate a plurality of combined POTS and ADSL channels.
3 more elements
A method of operating an integrated POTS and MLT card, comprising:
- receiving external voice data and a plurality of ADSL channels at the card;
- decoding a plurality of voice channels in voice processing circuitry;
- combining the voice channels with the ADSL channels in POTS circuitry;
- and
- outputting a plurality of combined ADSL and POTS channels from the card.
2 more elements
Dependencies are inferred from the claim text.