This 8-pin RJ45 communication and display cable is designed specifically for Dometic Marine Air systems. Unlike standard internet cables, its wiring configuration is reversed. Available in lengths of 5', 10', 15', 20', 30', 40', and 60', it replaces various Dometic part numbers including 222103008, 331925, 222103009, and others. For expert advice on marine HVAC solutions, feel free to contact us.