Apparatus for discriminating an optical signal from others and a

Apparatus for distributing data processing

Apparatus for distributing data processing across a plurality of

Apparatus for enabling the duplex operation of a transmitter and

Apparatus for establishing communication paths

Apparatus for establishing multi-address connections

Apparatus for extracting one from many multiplexed signals

Apparatus for fiber distributed data interface dynamic station b

Apparatus for flexibly allocating bandwidth for a point-to-point

Apparatus for generating a DS-3 signal from the data component o

Apparatus for generating an exchange pulse train for use in a te

Apparatus for generating and sending a serial data packet for co

Apparatus for generating pseudo-random numbers in a communicatio

Apparatus for high speed data communication with asynchronous/sy

Apparatus for insertion of overhead protocol data into a switche

Apparatus for interfacing analog telephones and digital data ter

Apparatus for interfacing between at least one channel and at le

Apparatus for interfacing between telecommunications call signal

Apparatus for isolating a fault on a local area network

Apparatus for loading memories in a telecommunication exchange