3 x keystone ports Cable spec for displayport Cable: (7/0.127T*1P+D+AL+MYLAR)*5C+7/0.127Tx5C+F+ADB Decora Style removable center piece. My Cable Mart Keystone WALLPLATES and INSERTS all adhere to NEMA standards. Keystone insert modules have a rectangular face of 14.5mm wide by 16.0mm high, and are held in place with flexible tabs. This allows them