Abstract: In a method for bonding data fragments, data fragments are delayed in such a manner that a first transmission time for a direct transmission of data fragments between a master line card and a terminal connection via a first group of subscriber lines of a telephone line bundle corresponds to a second transmission time for an indirect transmission of data fragments between the master line card, an uplink card, and a further line card via a second group of subscriber lines of the line bundle.

Abstract: Methodologies and structure are provided for use in a communications line that transmit data without plain old telephone service (POTS), or splits the POTS service from the data service, to inhibit oxidation of electrical connections within the physical communications line between the central office of a service provider and a subscriber premises and/or subscriber equipment. A direct current load is drawn by a sealing current terminator circuit that is electrically coupled across the communications line at a convenient location proximate or within the subscriber's location so as to assist in providing oxidation reducing direct current flow along a portion of the communications loop coupling the service provider with the subscriber.

Abstract: An apparatus and method for enabling Cisco legacy power to support IEEE 802.3af standard power. A network power system capable of delivering data terminal equipment power via a media dependent interface (MDI) includes power source equipment according to a first power via MDI scheme such as Cisco legacy power and at least one powered device according to a second power via MDI scheme such as IEEE standard power. A power compatibility module is inserted between the power source equipment and the powered device to enable the power source equipment to appear according to the first power via MDI scheme and the powered device to appear according the second power via MDI scheme. In one embodiment, the module includes switches, a DC/DC converter, an IEEE power source equipment circuit, and an isolator. The module may optionally include a user signaling device for communicating operating conditions of the module to a user.

Abstract: A modem for interconnecting a DSL line and a local bus comprises a DSL interface adapted to send and receive data on the DSL line at a DSL bandwidth selected from a first set of bandwidths, and a local bus interface adapted to operate at a local bus bandwidth selected from a second set of bandwidths so as to match the DSL bandwidth. In a first operating mode, the modem reserves as much as possible of a predetermined local bus bandwidth and then synchronizes the DSL line to a matching mode. In a second operating mode, the modem synchronizes the DSL line to a predetermined bandwidth and then reserves a matching local bus bandwidth or, if impossible, adopts a bulk transfer mode.

Abstract: The present invention is a new solution of line and relay in an analog subscriber board, which has a less number of relays and can decrease the cost and save the space while realizing the basic functions in a voice network. The technical solution of the invention provides each subscriber with two relays to connect the subscriber line interface circuit, the subscriber line, the ring bus and the test bus, realizing the basic functions relevant to the talking, such as talking, ringing, etc. In order to add the auxiliary functions such as the testing function and the monitoring function, the subscriber lines are grouped, and at least one relay is supplemented in a subscriber group, the subscriber group relays together with above two subscriber relays will be used to connect the subscriber line interface circuit, the subscriber line, the ring bus and the test bus to perform the basic functions relevant to talking and the auxiliary functions such as testing, monitoring, etc.

Abstract: A method and an apparatus for upgrading an existing service outlet (e.g. LAN, telephone, power or CATV outlet) in a house by adding functionality thereto. The functionality is added by an add-on module, connected electrically and secured mechanically to the existing outlet. Several attachment devices are exampled, including surface attachment, side clamping, snap locking, strap securing and fastening screws. The add-on module may include a service connector for retaining the basic existing outlet function. The module may be attached in a permanent way or by using a detachable solution.

Abstract: An adapter for passing messages in a telecommunications infrastructure from a first device to a second device. The adapter comprises a messaging interface, a processor, and a bus interface. The messaging interface is in communication with the first device and is operable to receive a received message in a first messaging format from the first device. The processor is coupled to the messaging interface and is operable to receive the received message from the messaging interface and translate the received message into a common message in a common format. The bus interface is coupled to the processor and is operable to receive the common message from the processor and transmit the common message to the second device through a bus.

Abstract: A plug is inserted into the connection between a Remote Terminal Unit (RTU) and one or more a station protection modules. A first plug end is connected to the RTU by at least one first wire. At least one station protection module is connected to a second plug end by at least one second wire. The first plug end and the second plug end are capable of being connected to each other. A first housing contains at least the RTU and a second housing contains the at least one station protection module, wherein the first housing and the second housing are capable of being attached to each other. Replacing the RTU requires disconnecting the first and second plug ends and then connecting a third plug end to the second plug end wherein the third plug end is connected to a second RTU by at least one third wire.

Abstract: A method and apparatus for preventing false alarm activation is provided. According to one embodiment of the invention, a determination (410) is made as to whether an instruction from a controller is a commanded reset, and control of a Subscriber Line Interface Circuit is taken (416) from a voice processor circuit when the instruction is a commanded reset.

Abstract: A multi-dwelling unit (MDU) module is configured for providing telephony communicating services and non-telephony services. The MDU module includes a motherboard and a plurality of service units connected to the motherboard. Each one of said service units and the motherboard are jointly configured for providing non-telephony service and telephony service to a plurality of service subscribers. The motherboard is configured for providing overload power management to limit power consumption associated with said telephony services during an overload condition and for providing lifeline power management to limit power consumption associated with said non-telephony services during a power outage condition. The MDU module optionally includes lightning primary surge protection blocks configured for being connected to the service units.

Abstract: A system and method for establishing a high speed, substantially constant circuit based data connection over a conventional telephone line is provided. The circuit based connection is non-switched, thereby eliminating the need to establish a connection through a dial-up process. The circuit based connection is established between a user's terminal device and a digitizer, such as a basic rate interface transmission exchange card. The user's terminal device may be a modified version of a conventional integrated services digital connection modem. A user's computer, telephone, or other device may be connected to the user's terminal device to access an external network. The connection established in accordance with the present invention can transmit data at a rate far exceeding that of traditional dial-up connections.

Abstract: An enclosure used with a system for delivering broadband service, including standard telephone service and telephone/DSL service, to a subscriber. The system includes a pair gain system, a cross-connect system, and a service distribution system. The enclosure is a retro-fit enclosure that incorporates the service distribution system into an existing cross-connect enclosure in a cost-effective and aesthetic manner. The service distribution system is operably located such that the standard telephone service and telephone/DSL service are routed from the service distribution system to the subscriber without being routed through the cross-connect system. The service distribution systems include terminating modules and switching modules. In some embodiments, the switching modules include protector plugs that protect the system from over-voltages and/or over-currents, and provides upstream and downstream diagnostic testing.

Abstract: The communication terminal device includes a handset, a central controller, a telephone network adaptor unit for converting analog signals transmitted/received between telecommunication network and the communication terminal device into digital signals, an interface unit physically isolating the central controller from the telephone network adaptor unit, and transmitting/receiving the converted digital signals between the central controller and the telephone network adaptor unit, and a telephone circuit unit which transmits the voice signals generated by processing the digital signals received from the telephone network adaptor unit to a handset through the interface unit and transmits the digital signals generated by processing the voice signals received from the handset to the telephone network adaptor unit through the interface unit.

Abstract: The present disclosure provides a system and method to configure and operate a residential local area network (LAN) based telephone system. The illustrated system provides a residential gateway configured to receive a telephone call and process the call based on user configured options. The user-configured options can be provided by telephony feature processing modules (TFPM)s that operate in a Session Initiated Protocol Proxy Framework (SIP-PF). The TFPMs can send, receive and process calls and call data to control network devices such as network telephones.

Abstract: A network interface unit has an interface coupled to a first transmit line and a first receive line, and the interface is configured to receive a signal from the first receive line. The network interface unit further has circuitry operable in a test mode and a data mode that couples the received signal to the second transmit line via a first path while operating in the data mode. The circuitry further disables coupling of the signal to the second transmit line, couples the signal via an alternate path to the first transmit line, and creates a bias voltage about which a termination impedance for the second transmit line is centered while operating in test mode.

Abstract: A termination device for a telephone line of a wire based telephone system, said termination device (30) comprising: a high pass filter (39) for separating signals within a frequency band used by a high-speed modem (13) for data transmission; and impedance means (53) connected to the high-pass filter (39), wherein said impedance means (53) has an impedance which matches the impedance of the telephone line in the frequency band used by the high-speed modem (13).

Abstract: The present invention concerns a device comprising a first interfacing means for linking to a residential phone wiring and a second interfacing means for accessing a network, the residential phone wiring being connected to a first phone subscriber line interface means located in a central office, the residential phone wiring comprising plugging means for connecting at least a first analogue phone. The device comprises second phone subscriber line interface means for providing phone services over the network and means for coupling the first phone to the second phone subscriber line interface means when the residential phone wiring is disconnected from the first phone subscriber line interface means.

Abstract: Various methods, apparatuses, and systems are described in which devices having no common electrical ground communicate. In at least certain embodiments, an apparatus includes a transformer block to communicate a plurality of data signals and a synchronous clock signal between a first device with a first ground reference and a second device with a second ground reference over a data communication link. The first device sends the plurality of data signals to a modulator block having one or more Boolean logic gates that receive each data signal in combination with the synchronous clock signal. The modulator block sends a plurality of modulated data signals corresponding to the plurality of data signals to the transformer block. The transformer block sends the plurality of modulated data signals and the synchronous clock signal to the second device to provide the data communication link between devices having different ground references.

Abstract: A splitter unit including a chassis containing splitter cards. The splitter unit includes a central processing unit mounting location. The splitter unit also includes test access devices that are inactive when the central processing unit mounting location is vacant. The splitter unit is configured such that the splitter cards provide passive signal splitting even when the central processing unit mounting location is vacant.

Abstract: A termination module for terminating TELCO wiring and subscriber wiring within a network interface enclosure at a subscriber premises includes a subscriber bridge having burglar alarm connections. The subscriber bridge includes a base, a pair of conductive contact elements disposed within the base and defining a plurality of connection terminals, and a base cap positioned over the base and the contact elements. The termination module provides a demarcation point for electrically disconnecting the subscriber wiring from the subscriber wiring and the subscriber bridge further includes burglar alarm connection points that permit a burglar alarm to be wired in series between the demarcation point and the contact elements such that the subscriber-owned equipment, including the burglar alarm, can be electrically disconnected from the TELCO wiring to fault test a telephone line.

Abstract: Certain embodiments of the invention provide network interface devices, as well as systems and methods for using them. In accordance with some embodiments, a network interface device may provide a controlled environment for an interior space defined by the exterior of network interface device. The network interface device may further be configured to be exposed to an interior of a subscriber premises and/or to allow for thermal transfer between the interior of the subscriber premises and the interior of the network interface device. In particular embodiments, the network interface device may be configured to be disposed at least partially within an external wall of the subscriber premises.

Abstract: A hybrid circuit that decouples gains for a transmit signal and a receive signal of a broadband modem that is coupled to a telephone line is provided. The hybrid circuit includes a multi-port transformer, a pair of line matching resistors, and a bridge circuit. The multi-port transformer includes a line coil electrically coupled to a telephone line, a linedriver coil magnetically coupled to the line coil and a receive coil that is also magnetically coupled to the line coil. In an alternate embodiment, a hybrid circuit is provided that includes a multi-port transformer in which the line coil, linedriver coil and receive coil include two coil segments. A broadband modem incorporating a hybrid circuit of the present invention is also provided.

Abstract: A network interface system is provided with an addressable application device and a processor. The addressable application device is adapted to interface with a transport medium internal to a customer premises. The processor is adapted to selectively process telecommunication information originating from a transport medium external to the customer premises. The processor is further adapted to transmit the processed telecommunication information to the addressable application device for implementation of an application over the transport medium internal to the customer premises in accordance with a state of the addressable application device. The addressable application device and the processor are disposed external to the customer premises.

Abstract: A network for coupling at least one telephone service signal to at least one telephone device over a wiring. The network includes: a wiring having at least two conductors for carrying multiple time-domain multiplexed digitized voice channels; an exchange side device coupled to the wiring and operative to couple at least one telephone service signal to at least one digitized voice channel; and at least one subscriber side device coupled to the wiring and operative to couple the at least one telephone device to at least one digitized voice channel.

Abstract: A method and an apparatus for upgrading an existing service outlet (e.g. LAN, telephone, power or CATV outlet) in a house by adding functionality thereto. The functionality is added by an add-on module, connected electrically and secured mechanically to the existing outlet. Several attachment devices are exampled, including surface attachment, side clamping, snap locking, strap securing and fastening screws. The add-on module may include a service connector for retaining the basic existing outlet function. The module may be attached in a permanent way or by using a detachable solution.

Abstract: A system for reconstructing missing packets in a packetized audio TTY stream that includes: (a) an input 328 operable to receive a plurality of first packets, each comprising one or more TTY tones in a sequence of TTY tones; and (b) a processor 332 operable to: (i) order the packets; (ii) depacketize the TTY tones in the plurality of first packets; (iii) determine when a TTY tone is missing from the sequence of TTY tones; (iv) when a TTY tone is missing, perform at least one of the following steps: (1) determine the a TTY tone based on a portion of the tone contained in an adjacent packet; and (2) determine the a TTY tone based on one of(i) a random or pseudo-random tone selection, (ii) a comparison of a first probability associated with a first TTY character generated from a first tone substituted for the missing a TTY tone with a second probability associated with a second TTY character generated from a second tone substituted for the missing TTY tone, and/or (iii) a comparison of a first ordering of T

Abstract: Uninterrupted digital communications are provided between a central office and a customer premises by using a high-pass or bandpass filter to bypass local loop generation equipment. In many present-day telecommunications installations, local loop generation equipment may be placed in series with a communications path that runs between the central office and the customer premises. This communications path is adapted to convey digital signals as well as voice information and/or other types of baseband communications signals. In order to avoid interference between baseband signals and digital signals, each of these signals is allowed to occupy only a specified portion of the frequency spectrum. When activated, the local loop generation equipment breaks the entire communications path, interrupting voice signals, as well as any digital signals which may be carried thereon.

Abstract: An interface card adapted to be mounted at the back plane of a splitter chassis. The interface card includes card edge connectors for providing connections with a splitter card. The interface card also includes cable connectors for inputting mixed voice and data, and for outputting data and voice signals. Tracings are provided on the interface card for interconnecting the cable connectors and the card edge connectors. The tracings are configured such that first tracings carrying data signals from the splitter card to the cable connectors do not cross second tracings carrying voice signals from the splitter card to the cable connectors.

Abstract: An apparatus and methodology for permitting subscriber installation of voice over internet protocol (VoIP) service at a subscriber premises. A VoIP adapter is provided that is configured for snap-in mounting in a subscriber premises network interface device (NID). The adapter includes an input plug connector and an output jack connector, as well as VoIP electronics, and is configured such that the VoIP electronics may be easily coupled in the subscriber incoming service line. Methods for subscriber installation of the adapter are also disclosed.

Abstract: A system and method for managing mobile communications is disclosed. The system and method can determine which of several systems associated with a motor vehicle is permitted to communicate with a user interface in the motor vehicle. The user interface is used to assist in facilitating communications between a user and one of the communications systems. The user interface can include a display and be connected to at least one loudspeaker. The various systems associated with the vehicle communicate with one another and determine which system can communicate with the user interface.

Abstract: A subscriber line interface circuit apparatus includes a signal processor having sense inputs for sensed tip and ring signals of a subscriber loop. The signal processor generates linefeed driver control signals in response to the sensed signals. A linefeed driver provides the sensed tip and ring signals. The linefeed driver drives the subscriber loop in accordance with the linefeed driver control signals.

Abstract: A telecommunication terminal device includes a network connection unit having at least a first pin and a second pin to which a public telephone network is connected, and a third pin and a fourth pin through which a first external terminal device of a first type is connected to the first and the second pins; a first switching unit for selectively connecting the public telephone network with the first external terminal device and a second external terminal device of a second type; a first external terminal connection unit having a fifth pin and a sixth pin through which the second external terminal device is connected to the first and the second pins; and a feeding circuit connected to the first and the second pins to keep flow of currents provided from the public telephone network. The telecommunication terminal device is capable of exchanging telecommunication signals regardless of serial or parallel connection to additional external terminal devices.

Abstract: An interface device and method for testing a telecommunication circuit by utilizing a test cord that has a first end that is integrated with the interface device and a second end that terminates with a test connector. Upon insertion of the test connector into a test port of a connectivity block, the interface device may be configured to allow for monitoring of the telecommunication circuit, without disrupting the circuit. Similarly, the interface device may be configured to disrupt the telecommunication circuit and allow a user to examine both sides of the circuit.

Abstract: An electric device (202, 301) for connecting an analogue data transfer device (202) by means of a control unit (203) to a digital transfer system comprises means for connecting to a data transfer device via a twin cable (204). In addition, it comprises a current amplifier arrangement (214, 314, 340) for feeding a certain current to the twin cable, a first current switching device (219) for switching a first control current to the current amplifier arrangement, and a second current switching device (220) for switching a second control current to the current amplifier arrangement. The current switching devices (219, 220) are preferably current mirrors.

Abstract: An apparatus is provided which can be physically connected underneath a guest telephone in a hotel. The apparatus is set up with interconnection logic and a networking card so as to allow for a notebook computer to interconnect with a local area network in the hotel. The apparatus is set up to switch between sending a voice data from the guest telephone or computer data packets from the notebook computer across the hotel room telephone wire.

Abstract: A communication device (1) is described, comprising a powered transceiver (2), a line transceiver (3), an isolation circuit (4) comprising three capacitors Cb1, Cb2 and Cb3, which are coupled between the powered transceiver (2) and the line transceiver (3), and a control circuit (5) arranged for controlling the transport of power from the powered transceiver (2) to the line transceiver (3) and for accomplishing a bi-directional communication across the isolation circuit (4). The control circuit is a two-mode controlled circuit (5), arranged such that during a first mode said power is transported and a communication in one direction is performed, and that during the second mode the communication in the other direction is accomplished.

Abstract: A network interface device for Ethernet networks using unshielded twisted pair cables comprising an overvoltage protection module and an interconnection module connected to the overvoltage protection module, both modules being connected in series in the Ethernet network.

Abstract: An isolation system with analog communication across an isolation barrier includes an isolation barrier circuit having at least one isolation element; a digital to analog circuit having an analog output connected to the isolation barrier and an input for receiving an input digital signal to be communicated across the isolation barrier; and an analog to digital circuit having an input coupled to the analog output of the isolation barrier circuit for providing a digital output signal.

Abstract: The present invention is directed to an exterior telephone service interface for exterior mounting at a customer's premises. The telephone service interface combines both a terminal chamber for delivery of telephone service to the customer and a splicing chamber for connection to the incoming telephone service lines into a single wall mountable unite. The combination terminal chamber and splicing chamber can accommodate a plurality of splices and terminal interfaces and reduces installation time significantly.

Abstract: An auxiliary connection mechanism for allowing a Digital Switching System (DSS) to share an analog line with an analog device (via an auxiliary device port) is disclosed. The auxiliary connection mechanism includes a pair of relays for releasably connecting the auxiliary device port and the DSS to the analog line. When the analog line is idle, both the analog device and the DSS are connected to the line in order to receive incoming calls on the analog line. However, once one of the devices (either the analog device or the DSS) uses the line, the other device should not access the line. A busy line detect circuit is included to detect whether a device is using the line.

Abstract: A digital direct access arrangement (DAA) circuitry may be used to terminate the telephone connections at the user's end to provide a communication path for signals to and from the phone lines. Briefly described, a means for providing a proper hookswitch transition for a variety of international phone standards is provided. The invention may also be utilized with means for transmitting and receiving a signal across a capacitive isolation barrier. More particularly, a DAA circuitry may be utilized which satisfies many or all hookswitch transition standards without the use of additional discrete devices. The hookswitch transition standards may be satisfied by ramping down the current flowing through the hookswitch prior to transitioning the hookswitch state. In this manner the hookswitch current change as a function of time (di/dt) may be decreased. Thus, the current through the hookswitch may be actively controlled prior to switching the hookswitch from an off-hook condition to an on-hook condition.

Abstract: A method and apparatus for enabling multiple protocol communication over a network are disclosed. A first circuit communicates first signals in a first frequency band using a first data protocol and attenuates second signals in a second frequency band using a second data protocol. The first data protocol supports a first modulation technique and a second modulation technique. A second circuit communicates the second signals in the second frequency band using the second data protocol.

Abstract: A NID includes a base having a network area and a customer area adjacent thereto. The NID may also include a cable reel carried by the base. An access cover may be provided for the cable reel and the base that may include a network cover door for the network area, and a customer cover door for the customer area. The access cover may have a shape defined by at least a portion of an ellipsoid. The shape of the access cover may be defined by half an ellipsoid with major and minor axes adjacent the base, and the base may have an elliptical shape. The cable reel may be rotatable with the base or rotatable independent thereof.

Abstract: A network interface device (NID) for connecting a telecommunications line to a subscriber premises. The NID includes an enclosure that houses wiring, connectors, and active telecommunications devices. A cooling device, such as a fan, is used for cooling the active devices within the NID and is powered by a storage capacitor. The capacitor is charged by current from telecommunications signals on the telecommunications line using a power regulating circuit. The active devices within the NID generate heat, and the cooling device maintains a desired operating temperature within the NID. In one embodiment, the NID includes electronic components used for providing DSL service to the subscriber, and the lower frequency voice components of the telecommunications signals received at the NID are used for charging the capacitor. A microserver within the NID senses the current levels provided to the NID and to an active component module (e.g., DSL modem), and senses the electrical charge level at the storage capacitor.

Abstract: A method is described that comprises receiving a ringing voltage or tip-ground signal at a first telephone interface. Then, indicating to a control system at an interface that the ringing voltage or tip-ground signal is appearing at the first telephone interface. Then, calling a remote device over a packet data network while maintaining the first telephone interface in an on-hook state. The control system causes the calling in response to the indicating.

Abstract: A cordless telephone-to-sound card interface adapter provides a connection between any standard cordless telephone system and a sound card of a computer for PC-to-PC or PC-to-telephone voice communications over the Internet. The interface adapter includes a hybrid transformer circuit for interfacing a two-wire circuit of the cordless telephone and a four-wire circuit of the computer sound card. Consisting of passive components, this hybrid transformer circuit cancels out the voice echo that would otherwise exist due to mismatched impedances between the two media and/or from leakage of the signal being transmitted and received on the same pair of telephone lines. Preferably, a Universal Serial Bus (USB) interface is provided to supply a bias voltage to the cordless telephone system through the interface adapter.

Abstract: An xDSL splitter module is provided for mounting in a network interface device (NID) that contains an xDSL splitter circuit and the terminals to connect the circuit between outside plant wires and two pairs of inside wires to deliver POTS and xDSL to the subscriber. The module also has at least a demarcation point for the POTS signal.

Abstract: A terminal adapter connects a terminal to a computer local area network capable of identifying any of several terminal types by detecting the presence of a particular identifier electronic circuit specific to one type, even though the terminal does not include any such identifier circuit as standard. The terminal adapter includes first connectors for inserting the adapter between two sections of a connection between the terminal and the network and an identifier circuit specific to one type of terminal that the network is able to detect. The identifier circuit is connected to at least two conductors of a network side section of the connection.

Abstract: The telephone line coupler circuit has a single transmit opto-coupler whose output includes a DC bias component connected to a gate of a line seize switch for connecting a DC line seize load across the ring and tip contacts of the telephone line. The line seize switch is saturated by the transmit opto-coupler bias output and the AC component of the transmit opto-coupler output is sent over the telephone lines. The receive opto-coupler is used both for receiving communications signal and for detecting the ring signal. The band pass filter connected to the output of the receive opto-coupler may be switched to pass a ring signal frequency band or a communications frequency band. The circuit operates using two opto-coupler devices while conventional circuits require four opto-coupler devices.

Abstract: An impedance blocking filter circuit is provided for use in telecommunication systems for interconnecting between incoming telephone lines and customer's terminal equipment so as to unconditionally block impedances above 20 KHz a desired frequency range due to the customer's terminal equipment from an ADSL a DSL network unit and/or home networking interface unit. The filter circuit includes first, second, and third inductors connected in series between a first input terminal and a first common point. A first resistor has its one end connected also to the first common point and its other end connected to a first output terminal. Fourth, fifth and sixth inductors are connected in series between a second input terminal and a second common point. A second resistor has its one end also connected to the second common point and its other end connected to a second output terminal. A capacitor has its ends connected across the first and second common points.