INFOS fiber optic test kits that are configured to be complete, economical test solutions for the verification and maintenance of fiber optic LAN networks. Kits include a precision, 3 wavelength, .01 dB resolution fiber optic power meter with an ST connector interface (M100ST), choice of a stable, temperature compensated fiber optic LED light source with ST connector(s), a set of quality, 3 meter ST patchcords, mating sleeve, and a rugged carry case.