400599544

AT&T SYSTIMAX Four-Port Quadplex Modular Adapter Mounting Frame, Electrical Gray: A heavy-duty, high-density flush-mounting frame incorporating a specialized multi-window structural matrix holding up to four independent modules. It is used in real life for complex installations like engineering lab benches or server closets, allowing a technician to pool an extensive grid of PC lines, phone trunks, and print links within a single single-gang footprint.