Technique for power control in optical networks

Technique of identifying a defective subscriber device in a...

Test method and apparatus for parallel optical transceivers...

Testing of receivers with separate linear O/E module and...

Testing of transmitters for communication links by software...

Testing optically amplified links with time-division...

Topology discovery in optical WDM networks

Transceiver module and integrated circuit with dual eye...

Transceiver test module employing an optical wrap

Transmission characteristics evaluation system and pseudo...

Transmission characteristics evaluation system and pseudo...

Transmission line monitoring method and apparatus

Transmission line monitoring method and apparatus

Transmission method, transmitter-receiver, and...

Transmission system

Transmission system and method for equalization of channels...

Transmission system and system startup method

Transmitter-receiver device and a communication system

Transmitter-receiver device and a communication system

Transparent fiber-optic communication network