Method and a system for monitoring the transmission of...

Method and an apparatus for preventing traffic interruptions...

Method and an apparatus for signal transmission

Method and an apparatus to provide optical equipment protection

Method and an improved device for controlling the power...

Method and apparatus for assessing performance of optical...

Method and apparatus for automatically controlling optical...

Method and apparatus for detecting localized polarization...

Method and apparatus for locating faults in an optical network

Method and apparatus for managing an optical signal

Method and apparatus for managing lightpaths in...

Method and apparatus for measuring and estimating optical...

Method and apparatus for measuring optical power of very...

Method and apparatus for measuring optical signal-to-noise...

Method and apparatus for monitoring an optical WDM network

Method and apparatus for monitoring WDM optical signal

Method and apparatus for multi-protocol and multi-rate...

Method and apparatus for obtaining status information...

Method and apparatus for optical media access protection in...

Method and apparatus for optical network administration