Apparatus for recording, transmitting and reproducing sound and images; telecommunications equipment, namely, fiber-optic transceivers, fiber optic repeaters and optimizers, wave division multiplexers, free-space optics transmission systems, fiber-to-the-home and ethernet-over-VDSL access aggregators and repeaters, and remote presence management products; telecommunications and data networking hardware, namely, devices for transporting and aggregating voice, data, and video communications acr...