Optical interleavers, optical multiplexers, demultiplexers, and splitters; wavelength selective switches; optical test equipment for testing, measuring, analyzing, monitoring, and simulating fiber optic communications systems, subsystems, and components; and programmable optical processors

ELECTRONIC AND OPTICAL COMMUNICATIONS INSTRUMENTS AND COMPONENTS; NAMELY, OPTICAL TRANSMITTERS, OPTICAL RECEIVERS, OPTICAL DATA LINKS, OPTICAL TRANSCEIVERS, CABLE TELEVISION TRANSMITTERS, DIGITAL TRANSMITTERS, AND [ COMMUNICATION LINK TESTERS FOR TESTING COMMUNICATION LINKS; ] TELECOMMUNICATIONS HARDWARE, NAMELY, OPTICAL ISOLATORS, [ OPTICAL CIRCULATORS, POLARIZATION BEAM SPLITTERS, AND POLARIZATION BEAM COMBINERS; COMPUTER HARDWARE AND SOFTWARE FOR THE MANAGEMENT, ANALYSIS, TROUBLESHOOTING, ...

electronic and optical communications instruments and components; namely, optical transmitters, optical receivers, optical data links, optical transceivers, cable television transmitters, digital transmitters, and communication link testers for testing communication links

ELECTRONIC AND OPTICAL COMMUNICATIONS INSTRUMENTS AND COMPONENTS; NAMELY, OPTICAL TRANSMITTERS, OPTICAL RECEIVERS, OPTICAL DATA LINKS, OPTICAL TRANSCEIVERS, CABLE TELEVISION TRANSMITTERS, DIGITAL TRANSMITTERS, AND COMMUNICATION LINK TESTERS FOR TESTING COMMUNICATION LINKS

ELECTRONIC AND OPTICAL COMMUNICATIONS INSTRUMENTS AND COMPONENTS; NAMELY, OPTICAL TRANSMITTERS, OPTICAL RECEIVERS, OPTICAL DATA LINKS, OPTICAL TRANSCEIVERS, CABLE TELEVISION TRANSMITTERS, DIGITAL TRANSMITTERS, AND COMMUNICATION LINK TESTERS FOR TESTING COMMUNICATION LINKS