Ethernet ports are usually just relegated to connecting computers to routers to facilitate an internet connection, but they're capable of much more than that.

If the Windows Network Diagnostics report displays the message The connection between your access point, router, or cable modem and the Internet is broken after you run the Internet Connections ...

The "Network Cable Unplugged" error in Windows can be frustrating, especially when you know the cable is properly connected. This error often indicates that your ...

The sysadmin's guide to repurposing an RJ45 port ...

The device shown in Figure 17-1 is an RS-232–to–TTL converter board, designed to allow a PC with a serial (RS-232) port to communicate with a device that has a console (TTL) port. External converters ...