Alcatel Network Systems, Inc.

Alcatel

Alcatel Lucent

Alcatel Na, Inc.,

International Telephone and Telegraph Corporation

International Standard Electric Corporation

Raymond E. Tyrrell

M. Rodney Briscoe

Joseph E. Sutherland

Joseph E Sutherland

Richard Marion Czerwiec

Marlin Vaughn Simmering

Richard H Bailey

Peter A R Van Rompu

Kurt Pynaert

Geert A E Van Wonterghem

Peter M L Schepers

Eduard C M Boeykens

Chris Van Der Auwera

Peter P F Reusens

Gilbert A F Van Campenhout

Daniel A C Verly

Michael J Gingell

Frank Ryckebusch

Paul M Matsumura

Koen A G De Wulf

Herman L R Verbueken

Emmanuel F Borowski

Dirk M J Van Aken

Raymond E Tyrrell

Gus C Sanders, Jr

Randall Sharpe

Robert S Kroninger

Richard Roger Rzonca

Larry W Burton

Stephen C Dunning

William B Weeber

Joseph Lee Smith

Timothy J Williams

William E Powell

Ertugrul Baydar

Claude M Hurlocker

Dale L Krisher

William J Fox

William H Stephenson, Jr

Richard W Peters

Geert Arthur Edith Van Wonterghem

Robert N L Peschi

Andrew L Withers

Richard J Sanders, Jr

Francis G Noser

Milton R Briscoe

Gary B Cole

Hal A Thorne

Jeffrey P Jones

Keith L Bernhardt

William C Meador

Jak Yaemsiri

Robert Nicolas Louis Peschi

Wenkwei Rou

Michael Sutton

Camille A Abu-Saba

Dana Merrill

Mohammad S Arani

Victor W Wilkerson

Heinrich T Sonnenberg

V Paul Runyon

Kenneth J Stoia

M Rodney Briscoe

O Lamar Bishop

Karen V Ball

Patrick M Farrell

Chistiaan Elise Willem Van Der Auwera

Herman Leo Rosalia Verbueken

Emmanuel Frans Borowski

Marlin V Simmering

Peter Mathijs Leonard Schepers

Richard Haywood Bailey

Koen Ambroise Godelieve De Wulf

Gilbert Alfons Françoise Van Campenhout

Daniel Alois Cornelius Verly

Eduar Christian Maria Boeykens

Dirk Marcel Juliette Van Aken

Peter Alain Richard Van Rompu

Various aspects of apparatuses and methods for enabling a subscriber premise network interface device (NID) to facilitate communication services including digitally derived voice services to be facilitated between a central office and a subscriber premise are disclosed herein. In accordance with one embodiment of the disclosures herein, such a method includes facilitating a downstream DSL voice channel transmission process at a subscriber premise Network Interface Device (NID) and facilitating an upstream DSL voice channel transmission process at the subscriber premise NID. The downstream DSL voice channel transmission process facilitates converting a voice component of a downstream DSL data stream to a corresponding downstream analog voice signal. The upstream DSL voice channel transmission process facilitates converting an upstream analog voice signal to an upstream voice component of an upstream DSL data stream.

Facilitating digital subscriber line services via a subscriber premise network interface device

A separately replaceable printed circuit board or card for use in a shelf of a telecommunications system with plural twisted pairs connected to corresponding plural subscribers via said card, each subscriber channel on each card including a low pass filter connected both to POTS and broadband services.

Replaceable printed board assembly (PBA)

Asynchronous Transfer Mode (ATM) cells are conveyed over a shelf bus to and from an NT (network termination) card inserted into the bus connected to an ATM network and to a plurality of LT (line termination) cards also inserted into the bus, wherein the NT card processes the ATM cells and provides downstream cells to the bus with a guard byte and upstream cells to the ATM network without a guard byte.

Line termination equipment

A shelf or housing is connected to a narrowband network and to a broadband network for serving a plurality of subscribers includes two sections, one for lowpass filters and another for line and network termination cards. The line termination and network termination equipment are interconnected by a bus internal to the shelf for providing subscriber access. The shelf or housing can be used as a hub for connecting to a remote shelf or housing that includes the line termination equipment for connection to subscribers. Although the internal bus of the shelf or housing is shown in a non-redundant embodiment, an increased level of equipment protection can be provided by placing one half of a redundant equipment pair in one shelf or housing and the other half in the other shelf or housing and sharing network termination equipment between such shelves or housings.

Housing for connection to both broadband and narrowband networks as a shelf in a telecommunications rack

A telecommunications rack has one or more shelves connected to a narrowband network and to a broadband network for serving a plurality of subscribers. Line termination and network termination equipment are interconnected by a bus internal to the shelf for providing subscriber access. One half of a redundant equipment pair can be placed in one shelf and the other half in another shelf in a same rack for sharing network termination equipment between such shelves. The rack or shelf in the rack can be used as a hub for connecting to a remote shelf or housing that includes the line termination equipment for connection to subscribers.

Telecommunications rack including shelves with nonredundant backplanes used redundantly

An xDSL (x-Digital Subscriber Line) signal is multiplexed with POTS on a twisted pair between a subscriber modem and line termination equipment in a shelf that also includes network termination equipment for connection to a broadband network. The line termination and network termination equipment are interconnected by a bus internal to the shelf for providing subscriber access. Separate lowpass filters are provided at each end of a twisted wire pair between the shelf and each subscriber equipment. A shelf can be used as a hub for connecting to a remote shelf that includes the line termination equipment for connection to subscribers.

Telecommunications system and subscriber equipment therefor

Line termination equipment may include a replaceable printed circuit board or card for use in a shelf of a telecommunications system with plural twisted pairs connected to corresponding plural subscribers via said card, each subscriber channel on each card including a hybrid circuit connected to one of the plural twisted pairs, a highpass filter, a modulator/encoder and a demodulator/decoder.

An architecture, as well as various components, of an asynchronous transfer mode (ATM) subscriber access multiplexer (ASAM) system can be implemented using an XDSL (x-Digital Subscriber Line) using DMT (Discrete Multitone) or CAP (Carrierless Amplitude Phase Modulation) between a plurality of subscribers and a corresponding plurality of line termination equipment in a shelf that also includes network termination equipment for connection to an ATM network. The line termination and network termination equipment are interconnected by a bus internal to the shelf for providing subscriber access. Separate lowpass filters are provided at each end of a twisted wire pair between the shelf and each subscriber equipment. A shelf can be used as a hub for connecting to a remote shelf that includes the line termination equipment for connection to subscribers. Although the internal bus of the shelf is shown in a non-redundant embodiment, an increased level of equipment protection can be provided by placing one half of a redundant equipment pair in one shelf and the other half in the other shelf and sharing network termination equipment between such shelves.

Telecommunications system for providing both narrowband and broadband services to subscribers

An apparatus for detecting a change in the volumetric integrity of the interior of an enclosure. The enclosure has an electrical interface for coupling to a circuit board and an access device for accessing said interior of said enclosure. The apparatus includes a circuit board for coupling to the electrical interface. Further, the apparatus includes evaluation circuitry connected to the circuit board for detecting the change in volumetric integrity of the enclosure, wherein the circuitry does not mechanically interact with the access device. Various other apparatus and methodology for detecting the stated change are also discussed.

Apparatus for detecting a change in volumetric integrity of an enclosure

In an optical fiber telecommunications network for providing both narrowband telephony signals and broadband video services over a single optical fiber using a single optical carrier, an optical distribution shelf includes a plurality of optical distribution units and interface units for interfacing with a controlling microprocessor. The optical distribution units receive baseband TDM telephony signals in serial format and the broadband video signals and function to frequency division multiplex the broadband video signals with the baseband telephony signals. The multiplexed signal is used to frequency modulate an optical carrier for transmission on a single optical fiber.

Optical distribution shelf for a remote terminal of an optical fiber

In an optical fiber transmission network, a remote terminal fed by a high-rate optical signal includes an internal electrical link called a serial interface bus carrying 24 DS0 channels. The optical transmission network is extended by converting the SBI baseband signal from electrical to optical and transmitting the SBI optical signal over a distribution fiber to a network unit located in the neighborhood of the subscribers.

Optical serial bus interface

A method and system to connect an optical network unit with a plurality of user sites. The invention includes the steps of and circuitry for connecting a plurality of line circuits to a cross-connect matrix. The optical network unit contains both the line circuits and the cross-connect matrix. In the invention, a plurality of drop connectors connect the cross-connect matrix to a plurality of user sites such as homes. The method and system further include circuitry that remotely controls the cross-connect matrix from a central office or network management system to connect selected ones of the line connectors to selected ones of the drop connectors and, thereby, electrically connect the optical network unit to the plurality of user sites.

Method and system for connecting an optical network unit with a

In an optical fiber telecommunications network, an optical network unit is provided in the subscriber neighborhood for terminating the optical fiber transmission line and for providing electrical signals over metallic lines to the subscribers. The unit functions to convert the optical signal to an electrical signal and demultiplex the electrical signal to divide out baseband telephony signals from broadband video channels. The electrical signals are further demultiplexed and distributed to line cards serving each subscriber, while the broadband video channels are demultiplexed and provided to subscribers that have requested specific video channels. The system includes a test unit for performing metallic tests and also a means to gather subscriber channel requests to form a video control channel which is transmitted to a remote terminal via a baseband telephony channel.

Optical network unit

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Raleigh, NC, United States of America

Joseph E Sutherland