Channel identification in communications networks

Channel identification in communications networks

Channel identification in communications networks

Channel mask definition for monitoring wavelength division...

Chromatic-dispersion measuring apparatus and method

Circuit for measurement of the signal quality in digital...

Communication link with non-intrusive expansion capability

Communication network design with wavelength converters

Communication network, wavelength division multiplex...

Communication path impairment detection for duplex optic...

Communication system

Communications test receiver

Compact optical performance monitor

Configurable multi-rate optical network port and processing...

Connection verification for all-optical cross-connects by...

Connection verification for optical switches

Control channel processor and switching mechanism

Coordination of control operations in an optical network

COTDR arrangement with swept frequency pulse generator for...

Current sensing system