Optical communication systems and components, comprising communications apparatus and appliances, namely, optical transmitters, optical receivers, amplifiers, preamplifiers, power supplies; status monitoring and control units; splitters, combiners, nodes; digital compression units and computer hardware and software; broadband modem transmission systems; headend compression devices, multiplexers, scramblers, and modulators; transmitters for use with broadband networks, namely fiber optic, cable, satellite, and wireless networks; headend software for the management and transmission of data; broadband network interfaces; network element management hardware and software; and manuals and parts related thereto
Electrical and Scientific ApparatusServices to communications system providers and users, namely designing, building, installing, servicing, and maintaining hardware and software for broadband communication systems
Telecommunications