After a bit of head-scratching he thought about repurposing the four unused wires on one of the RJ45 Ethernet connectors ... option of using that port for a network connection.

We all take Ethernet and its ubiquitous RJ-45 connector for granted these ... office wired with 10Base2 can attest to the network drops whenever a cable was kicked out or a terminator was dropped.

These cables have RJ45 connectors on each end, which are designed to plug into Ethernet ports. Ethernet ports are found on networking devices like routers, switches, and network interface cards ...

This means you might need to rely on slower wireless connections when you'd rather hook up an RJ45 or ethernet cable. And that's where network switches are essential. These units effectively act ...