Signalling system

Signalling system using time-division-multiplex

Signals, system, method and apparatus

Simplified interface to a time-division multiplexed...

Simultaneous tdma communication system

Simultaneous transmission of speech and data over an analog...

Simultaneous transmission of speech and data over an analog...

Single channel telegraph transmitting distributor

Single sideband carrier-wave telephone system

Single sideband system for digitally processing a given...

Single-sideband modulation system

Slot assign system with each peripheral station pre-assigned

Small-scale signal adding device and differential detecting...

Software parameterizable control blocks for use in physical...

Sol-gel organic-inorganic glass dense wavelength division...

Sonet ds-n desynchronizer

Sonet like link and chassis interconnect

Sonet overhead server

Sonet signal generating apparatus and method

Sonet transmission signal processing method and sonet...