RJ45 Connector Types Explained: 1×1, 1×N and 2×N Port Configurations
When engineers talk about RJ45 connector types, they usually mean the port configuration first: 1×1, 1×N, or 2×N. A 1x1 RJ45 connector is a single, independent jack. A 1×N part gangs N jacks side by side in one housing — …