Modular Connector, Plug Housings are designed to accept and protect modular plugs for prewired RJ11 Cord set, prewired RJ45 Cord set, and Hybrids, with mounting types for free hanging or panel mount. The fastening types for the Plug Housings are Bayonet lock, Latch holder, Latch lock, Lever lock, Locking ramp, Push-Pull, Reverse Bayonet, and Threaded.