[ OPTICAL TRANSMISSION SYSTEMS AND COMPONENTS COMPRISED OF RECEIVERS AND TRANSMITTERS, MULTIPLEXERS AND MODEMS; ] OPTICAL FIBER CLOSURES FOR HOUSING, ORGANIZING AND PROTECTING FIBER SPLICES, COUPLERS, SPLITTERS, MULTIPLEXERS, PATCH PANELS AND CROSS CONNECTS; FIBER OPTIC CABLE HARDWARE, namely, CONNECTORS, CLEAVERS, CLAMPS, SUPPORTS, MOTION SUPPRESSION OR DAMPING APPARATUS, FUSION SPLICE PROTECTORS AND CABLE PROTECTORS [; FUSION SPLICE APPARATUS AND PARTS FOR ALL THE FOREGOING ]