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7260092 Time slot interchanger  
A digital cross connect comprises plural switching stages. Each stage has plural switches which receive plural frames of time multiplexed input data and which switch the data in time and space....
7237035 Frame structure and method for wavelength concatenated channel framing  
A method and apparatus capable of supporting a wavelength concatenated framing protocol is disclosed.
6373852 Coupling multiple low data rate lines to effect high data rate communication  
Apparatus for linking multiple baseband telephone lines to provide broadband communication. The apparatus includes a broadband port, a plurality of baseband ports, and a controller. The broadband...
6327260 Controlled routing to a plurality of signaling interfaces at a single telephonic switch  
A telecommunication system network having a public telephonic network switch which communicates signaling information in accordance with Signaling System 7 protocol with a signal transfer point. A...
5923671 Coupling multiple low data rate lines to effect high data rate communication  
Apparatus for linking multiple baseband telephone lines to provide broadband communication. The apparatus comprises a broadband port, a plurality of baseband ports, and a controller. The broadband...
5835566 System and method for providing in-band and out-of-band testing of telecommunications network components  
For use in a telecommunications network containing a component to be tested ("UUT"), a system for, and method of, providing in-band and out-of-band signals to test and analyze the UUT. The system...
5610945 System for identifying communication sequences transmitted across multiple carriers by examining bit streams for sequences of valid words  
A system and method for asynchronously receiving data blocks, in parallel, across multiple fibers in a serial manner. Frame groups are provided as a mechanism to transmit associated data serially...
5598413 Four-wire, half-rate architecture with embedded differential delay compensation for extending range of basic rate ISDN communications  
To extend the transmission distance for basic rate integrated services digital network (ISDN) communications between a first site and a second site, the basic rate ISDN channel is demultiplexed...
5561771 System for transmitting data between systems using selected subsets of plural interconnecting bus lines and including selection of a compatible transmission speed  
A method and apparatus for transmitting data between nodes connected to a communications bus, preferably a computer backbone, divides a full bus width into a plurality of sub-buses. Each sub-bus...
5459720 System for internetworking data terminal equipment through a switched digital network  
A System including device access, network access system management, and related method for providing users who have require aperiodic high bandwidth data transmission requirements between remote...
5442750 System for transmitting data between systems using selected subsets of plural interconnecting bus lines and including selection of a compatible transmission speed  
A method and apparatus for transmitting data between nodes connected to a communications bus, preferably a computer backbone, divides a full bus width into a plurality of sub-buses. Each sub-bus...
5426645 Parallel rule-based data transmission method and apparatus  
A parallel rule-based data transmission method and apparatus is described comprising multiple computer ports, modems, and multiple data transmission channels. The invention incorporates hardware...
5361259 Wide area network (WAN)-arrangement  
A WAN is formed using Frame Relay Protocol and a telephone network interface unit. An originating LAN sends a message to a router which communicates with a telephone network interface unit using...
5331632 Expandable time slot interchanger  
A transmission scheme serially propagates time slot data to a plurality of TSI modules with time slot data contained in one TSI frame being serially transmitted from module to module in a...
5329524 TDM circuit-switching arrangement that handles frames of different sizes  
A time-division multiplexed circuit switch (100) handles different-size time-division multiplex frames (30, 40, 50) in a single, shared, time-space-time switching fabric. Both time slot interchange...
5293378 Parallel multi-line packet transmission system  
A packet transmission system wherein a packet can be transmitted at a high rate over a long transmission distance using a transmission medium which is economical and easy to handle. Under the...
5271003 Internal routing method for load balancing  
An internal routing method in an internal network for improving signaling message processing capability by balancing the workload among message handling processors (MHP) in common channel signaling...
5226042 Method for establishing wideband communications through a time division switching system  
A method of establishing an N time slot connection through first and second, single-buffered time slot interchangers where the time slots interconnecting the two time slot interchangers, referred...
5140611 Pulse width modulated self-clocking and self-synchronizing data transmission and method for a telephonic communication network switching system  
Transmissions of synchronous digital data from a master control unit (50A) to a slave, network termination unit (50B) are via a pulse width modulated data stream including pulse width modulated...
5128929 Time division switching system capable of broad band communications service  
Sometimes digital data become out of order as it passes through a time division switching system. This invention restores the proper order by transmitting sequence information with the digital...
Matches 1 - 20 out of 20