400497186

BRIDLE RING AT&T SYSTIMAX M104SMB Dual-Port Surface-Mount Modular Box, Electrical White: A compact, fully enclosed external termination box designed to house up to two M-Series information modules (such as RJ45 or RJ11 jacks). It is used in real life for structural retrofitting or add-on network installations where running cable inside a hollow drywall cavity is impossible; it is screwed directly onto concrete walls, baseboards, or warehouse pillars to run exposed wire safely out to equipment.