COLORLESS DWDM

Optical terminal nodes consisting of dense wavelength division multiplexing transponders, optical multiplexers and demultiplexers, optical amplifiers, optical switches, variable optical attenuators, dispersion compensators (both fixed and tunable), associated common equipment (namely, shelves, control processors and intra office communications subsystems), and associated software; optical amplifier nodes consisting of optical amplifiers, variable optical attenuators, dispersion compensators, associated common equipment (namely, shelves, control processors and intra office communications subsystems), and associated software; optical add/drop nodes consisting of dense wavelength division multiplexing transponders, optical multiplexers and demultiplexers, optical amplifiers, optical switches, variable optical attenuators, dispersion compensators, associated common equipment (namely, shelves, control processors and intra office communications subsystems), and associated software; embedded optical interfaces consisting of tunable lasers, electronic multiplexers, forward error correction devices, optical modulators, optical receivers, control electronics, and associated software; remote optical terminals consisting of dense wavelength division multiplexing transponders, optical multiplexers and demultiplexers, optical amplifiers, optical switches, variable optical attenuators, dispersion compensators (both fixed and tunable), associated common equipment (namely, shelves, control processors and intra office communications subsystems), and associated software; electronic cross connects consisting of interface cards with optical input/output, overhead processing, multiplexing and control functionality, core switch cards, associated common equipment (namely, shelves, control processors and intra office communications subsystems), and associated software; and optical network management products consisting of computer platforms, communications subsystems, and associated software