OPTICALLY OPTIMIZED

Communications equipment, namely transmitters, receivers, switches, amplifiers, add drop multiplexers, filters, multiplexers, demultiplexers, and network and element management, planning, and interface software and hardware in the field of telecommunications, and communications systems and communications networks comprised of transmitters, receivers, switches, amplifiers, add drop multiplexers, filters, multiplexers, demultiplexers, and network and element management, planning and interface software and hardware in the field of telecommunications