9 Free-space optical communication systems for data transmission and reception; telecommunications equipment, namely, optic transceivers, optic repeaters, converters and optimizers, wave division multiplexers, free-space optics transmission systems, switches including Ethernet switches and routers, terminators and repeaters, and remote presence management products, namely, switches, and console, alarm, sensor and power management devices; electronic and optical communications instruments and components, namely, optical transceivers; electronic and optical communications instruments and components, namely, optical transmitters; electronic and optical communications instruments and components, namely, optical receivers; electronic and optical communications instruments and components, namely, optical data links; downloadable free-space optical communication software for data communications; computer hardware for telecommunications