Electronic-optical apparatus, namely, scanners, photo-copiers, digital cameras, digital video cameras, camcorders, optical transceivers, and digital transmitters; optical-electronic-optical converter; laser-detectors for wavelength data collection about motion and speed and for signal processing and communication and safety control in connection therewith; optical transceivers; converters, namely, fiber to copper test access point (TAP) converters; couplers, namely, fused wavelength division multiplexing couplers; micro optics components, namely, analyzer for analyzing electrical and optical signals in fiber optical transmissions, Gigabit digital switch in connection with transmitting and receiving fiber optical signals, and optical data links; optical attenuators; optical interconnection components, namely, optical cable, full-duplex optical cable, splitter cable for splitting transmissions of fiber optical signals, sockets for optical cable connections, optical analyzer for analyzing electrical and optical signals in fiber optical transmissions, ports for electrical and optical signal access in fiber optical transmissions, and data terminal equipment, namely, fiber optical receivers, fiber optical signal processors, and mobile data terminal (MDT); Raman amplifiers; gain block/module amplifiers, namely, erbium doped fiber amplifiers (EDFA)