The NO4FDW-A OpticalCON QUAD to 4 ST Female Singlemode Breakout Adapter Box from Camplex is designed for adapting a system with NO4FDW-A OpticalCON QUAD connector to a system with 4 ST female connectors. This rugged fiber optic breakout box is housed in a field serviceable NEMA weatherproof polycarbonate box with rubber gasket for rigorous indoor and outdoor use. SENKO fiber connectors with integral metal dust caps are used for a secure and reliable connection. This singlemode breakout box is designed for easy cleaning and replacement of internal jumpers.