Optical fibers; fiber optic cables; fiber optic cable splicing, patching and protective products, namely, splice closures, cable distribution panels, splice trays, fusion splice sleeves and splice encapsulant; optical transmission systems and components comprised of optical and telecommunications signal receivers, optical and telecommunications signal transmitters, multiplexers and modems; fiber optic cable hardware, namely, connectors, motion suppression or damping apparatus for protecting fiber optic cables, namely, air flow spoilers and vibration dampers, fusion splice protectors and cable protectors in the nature of protective sheaths, adapters for fiber optic cables; distribution frames, housings, panels, and wall outlets for the interconnecting, cross-connecting, routing and termination of the optical fiber cables, and pre-connected cable assemblies comprising fiber optic cables, routers, switches and integrated connectors used in an optical fiber network; fusion splicers and fusion splice sleeves for fiber optic cables and replacement parts for all the foregoing; optical switches, power supplies for optical switches, optical fiber mounts and optical lens couplers