Modem with automatic port reconfiguration apparatus

Modular all-optical cross-connect

Modular contiguous channel multiplexer

Modular contiguous output multiplexer

Modular filter for extracting optical signals from, and/or...

Modular telecommunications system

Modular wavelength selective switch

Modulating apparatus for telegraph signals

Modulation method for transmitter

Monitoring a synchronous digital hierarchy transmission path

Monitoring device in carrier-wave telephone transmissions

Monitoring system using an optical side tone as a test signal

Monolithic reconfigurable optical multiplexer systems and...

Monolithically integrated electro-optical...

Moving set data communications

Moving-image coder with self-identification of the stuffing...

Mpls application to optical cross connect using wavelength...

Multi-access communication system and uplink band allocating...

Multi-band amplification system for dense wavelength...

Multi-band hybrid soa-raman amplifier for cwdm