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, namely switches, and console, alarm, sensor and power management devices; telecommunications and data networking hardware, namely, devices ...