Data handling arrays

Data highway system with dual transmitting loop lines

Data integrity guarantee system

Data junction and branching apparatus for an asynchronous data t

Data line card printed board assembly

Data line interface for a time-division multiplexing (TDM) bus

Data link access unit for T1 spans supporting the extended super

Data link control method and system for integrated services digi

Data link controller with channels selectively allocatable to hy

Data link controller with flexible multiplexer

Data link extension for data communication networks

Data link for digital channel bank systems

Data link module for time division multiplexing control systems

Data link protecting system

Data link setup in connection-oriented local area network with f

Data link terminator

Data link with an imbedded channel

Data multiplex transmission system

Data multiplexer with simultaneous multiple channel capability

Data multiplexing and separation method