SW20-SCR-1(02) is a waterproof optical connector with built-in SC/LC duplex and this Connector has passed a 1,000 hour salt spray test as well as the IP67 waterproof test when mated or with protective caps in place. This connector combines a standard optical connector (SC/LC) and optical adaptor (SC/LC), and is covered with a waterproof shell. The bayonet locking mechanism provides a single-action mating/un mating between the receptacle mounted on the chassis and the plug.