The L77TWA7W2S is a D-sub connector receptacle featuring a steel, tin-plated DA shell, a high-temperature black thermoplastic insulator, and machined bronze power contacts. It has a 7W2 configuration with five signal contacts and two power/coax contacts. Part of the D-sub TW hybrid series, it allows a combination of contact types including signal, power, shielded, high voltage, and fiber optic connections within a single housing. The PCB version comes preloaded with fixed contacts and mounting brackets.