Abstract: A multiplexing card comprises a primary TDM port over which TDM frames are communicated to and from a networking device, a plurality of secondary TDM ports over each of which fractional TDM frames are communicated to and from a plurality of digital subscriber line (DSL) units; and a logic device coupled between the primary TDM port and the plurality of secondary TDM ports, wherein the logic device is operable to map timeslots from each of the fractional TDM frames received over the plurality of secondary TDM ports to timeslots in a TDM frame communicated over the primary TDM port, and to map each of a plurality of blocks of timeslots in a TDM frame received over the primary TDM port to one of the plurality of secondary TDM ports; wherein the combined number of timeslots containing user data in the fractional TDM frames received over the plurality of secondary TDM ports is less than or equal to the maximum number of available timeslots in the corresponding TDM frame communicated over the primary TDM port.

Abstract: A communication system comprises a first multiplexer card having a first plurality of time division multiplex (TDM) ports and a first differential signaling interface, wherein the first multiplexer card is operable to map timeslots from each of the first plurality of TDM ports to a first combined signal transmitted via the first differential signaling interface; a first unit having a second differential signaling interface coupled to the first differential signaling interface, wherein the first unit is operable to extract the timeslots from the first combined signal and to map the extracted timeslots to a digital subscriber line (DSL) frame for transmission over a DSL link; a second unit coupled to the first unit via the DSL link, the second unit having a third differential signaling interface, wherein the second unit is operable to extract the timeslots in the DSL frame and to map the timeslots to a second combined signal transmitted via the third differential signaling interface; and a second multiplexer ca

Abstract: An apparatus for guiding air through electronic components is disclosed. The apparatus has an intake, a transition portion, and a focused egress. The transition portion is connected to the intake and defines a channel. The channel has a generally ‘u’ shaped cross-section and a first edge and a second edge configured to be positioned substantially opposing a surface. The focused egress is connected to the transition portion.

Abstract: A network element comprises a power interface to receive power from a power communication medium; a service interface to provide a telecommunication service over a service communication medium; management interface to receive management data over one of the service communication medium and the power communication medium via at least one primitive; and a control module to monitor the at least one primitive and to control operation of the network element based on the at least one monitored primitive.

Abstract: A method of managing power at an element management system for a power sourcing network element and a power sinking network element of an access network is provided.

Abstract: A method for accessing an electronic circuit in an enclosure using near field induction is disclosed. The method involves attaching at least one local access port connector with an external transformer core partition to a near field induction port on an external non-conductive surface of a panel of the enclosure and generating at least one inductive field between the external transformer core partition and an internal transformer core partition. Without a direct electrical connection, the method provides for communicating with the electronic circuit through the at least one local access port connector of the panel using the at least one inductive field.

Abstract: A crossbar cable to connect a crossbar switch with a plurality of outputs comprises a switch connector, a plurality of cables, a plurality of device connectors, and an encasing wrap. The switch connector comprises a plurality of sockets. Each cable has wires connected at a first end to a subset of the sockets in the switch connector. Each device connector is connected to a second end of the wires of one of the plurality of cables. Each of the device connectors is communicatively coupled over the wires to the subset of sockets at the first end of its respective one of the plurality of cables. An encasing wrap bundles the plurality of cables at least at the first ends of the plurality of cables.

Abstract: An apparatus for managing cables and configured to attach to a side of an electronic device is disclosed. The apparatus has a first planar member which has a plurality of attach points that match a plurality of attach points on an electronic device. The first planar member defines an aperture at least as large as a cable to be attached to the electronic device. The apparatus also has a second planar member parallel to the first planar member. The second planar member has a plurality of attach points that match a plurality of attach points on the electronic device. Additionally, the apparatus has a first support bar connected to and positioned normal to the first planar member and the second planar member.

Abstract: A communications device apparatus and method is detailed that allows for improved system statistics gathering of network communication links, dataports, and system status. The improved communications device apparatus and method utilizes a relative time reference or clock for the determination of the starting and ending of system statistics gathering time periods. Thus allowing for the contiguous gathering of system statistics without errors or gaps caused by time changes made to an absolute time reference.

Abstract: A method of controlling power in a network element includes powering the network element by receiving power from a power communication medium and providing a telecommunication service over a service communication medium. The method further includes monitoring a primitive related to the powering of the network element and controlling the powering of the network element based on the primitive.

Abstract: A method for automatically adapting to statically varying packet sizes at a transmission convergence layer is provided. The method includes determining if an output of calculation logic in boundary detection circuitry is equal to a next value in a data stream being received, providing output indicative of an identified packet boundary to a synchronization circuit and a packet size calculator when the output equals the next value, determining a size of a packet at the packet size calculator based on two consecutive packet boundaries identified by the boundary detection circuitry, receiving output from the boundary detection circuitry and the packet size calculator at the synchronization circuit; and one of entering, remaining, or exiting a synchronous state. The entering the synchronous state is based on a counting of consecutive good packet boundaries. The exiting the synchronous state is based on a counting of consecutive missed boundaries.

Abstract: Systems and methods for communicating faults across a communications network cross-connect are provided. In one embodiment, a method for communicating an alarm condition in a cross-connected network is provided. The method comprises providing a cross-connect having a first side and a second side, wherein the first side includes a plurality of interface ports and the second side includes an interface port; detecting a fault on a first interface port of the first side; and when a fault is detected on the first interface port of the first side, transmitting a signal on the interface port of the second side, the signal having a pre-defined alarm data pattern inserted into one or more time slots associated with the first interface port of the first side.

Abstract: A communication system includes a local unit that has a lower data link layer and a session layer running a data pass-through application and a user interface. The data pass-through application lets the data link layer in the local unit pass data through to a remote unit. The remote unit has a lower data link layer and a session layer executing a user interface. When the data link layer detects that the session layer is unstable and/or locked up, the data link layer transmits a disconnect request to the local unit's data link layer. All further user data sent to the local unit's data link layer is routed to the local unit's user interface.

Abstract: Line termination units having dual ports for accepting communication traffic of two different types facilitate the concurrent transmission of voice traffic, serial data traffic and packetized data traffic across a telecommunication transport system, such as a DSL (digital subscriber line) system. The bandwidth of the telecommunication transport system is allocated between the differing traffic types to permit the full utilization of the available bandwidth.

Abstract: A network interface device is provided. The network interface device comprises an enclosure having a first portion coupled to a second portion wherein the first portion and second portion have cavities. The network interface device further comprises a removable case having a plate and a base wherein the plate is adapted to be coupled to the base, wherein the case is adapted to be removably disposed in the cavity of the second portion of the enclosure. A network interface circuit is disposed in the case, the network interface circuit is adapted to provide communication to and from a network and to and from at least one customer premise equipment.

Abstract: A method for automatically adapting to statically varying packet size is provided. The method includes receiving a stream of bytes over a physical medium. A packet size is determined from the bytes in the stream of bytes. Further, the determined packet size is used to process packets from the received byte stream.

Abstract: A communication unit comprises a first port; a second port, each of the first and second ports configured to transmit signals to and receive signals from another communication unit; a programmable logic unit configured to process signals transmitted and received by the first and second ports; and a processor configured to program the programmable logic unit for crossover operation based on detection of a crossover connection.

Abstract: A communication system comprises a first communication unit having a plurality of application ports; and a second communication unit having a plurality of application ports and coupled to the first communication unit; wherein the first communication unit is configured to extract timeslots from a first signal having a first interface format and from a second signal having a second interface format, and to insert the extracted timeslots into a frame for transmission to the second communication unit; wherein the second communication unit is configured to pass the first interface format signal to an application port of a similar interface format and to pass the second interface format signal to an application port of a third dissimilar interface format based on the order of the extracted timeslots in the frame transmitted from the first communication unit.

Abstract: A communication system comprising at least one communication unit. Each communication unit includes an interface port, a first-digital-subscriber-line port, a second-digital-subscriber-line port, and a central processing unit. The central processing unit is communicatively coupled to receive information indicative of the operability of the first-digital-subscriber-line port and the second-digital-subscriber-line port. The at least one communication unit is implemented on the physical layer in single-pair mode. The at least one communication unit is configured to switch from sending timeslots in dual-pair mode to sending timeslots in 1+1 protection mode when communication on one of the first-digital-subscriber-line port and the second-digital-subscriber-line port fails.

Abstract: A communication system comprises a central unit configured to transmit and receive communication signals; a remote unit configured to transmit and receive communication signals; and a regenerator unit configured to regenerate and transmit received communication signals, the regenerator unit comprising a first interface, a second interface and a control and status circuit configured to control operation of the first and second interface, wherein each interface is configured to operate as an independent logical regenerator unit; wherein the central unit and the remote unit communicate over a first communication loop via the first independent interface of the regenerator unit.