This Raymarine Adapter is used to convert a RJ45 Digital Radar Cable to a RayNet Radar Cable so you can connect the cable directly into the HS5 Network Switch or directly into the back of an ace or gS Series multifunction display. The adapter has a RayNet female connector at one end and a RJ45 female gland connector at the other end. The gland makes the RJ45 female socket watertight. 100mm (4 in.) long. Part#: A80247. Attaches directly into back of ace or gS MFDs RayNet female connector at one end RJ45 female gland connector at the other end | RayNet to RJ45 Adapter - Female, 100mm