Telecommunication data and networking equipment, namely, devices for transmitting optical signals and related components, panels, shelves, cable assemblies, fiber assemblies, cables, cabled modules, connectors, distribution modules, splicing cassettes, cassettes, adapters, optical distribution frames, splice closures, splice trays, splice protectors, housings, mounting hardware, cable retention hardware, splitters and multiplexers, fiber optic splice housings, fiber optic splice boxes, and modular building blocks being modular telecommunications equipment closure and housings, fiber optic distribution hubs, optical distribution panels, optical distribution terminals, optical distribution cabinets, optical distribution hubs, optical termination panels, optical termination cabinets, optical termination hubs, optical wall mount distribution panels, optical wall mount termination panels; signal transmission apparatus, namely, fiber optic connectors and fiber optic cables, fiber management hardware, fiber optic connectors, fiber optic plugs, fiber optic adapters, fiber optic splices, fiber optic cables.