Before USB standardized how we connect devices, computers were a tangle of incompatible ports. Here are the ones that USB ...

[Felipe Navarro] wanted to add a few serial ports to his computer, but couldn’t find an adapter that suited his needs. So, he built his own. His Quad Serial device is a nicely designed converter that ...

A socket that connects to a serial interface (one bit following another over one line). Serial ports are widely used by sensors for data acquisition, and they were standard on early computers for ...

We still have lots of things that have serial interfaces on them, switches, mangement modules, etc. But we're all out of things that have serial ports. Even the servers who's management modules have a ...

With Linux and the serial port there is good news and there is bad news. The good news is that Linux has great support for serial hardware of all sorts and a host of tools for accessing the serial ...

You may recognize the RS-232 serial port on your TV, but do you know all that it can do? It's probably more than you realized ...

For years I have been wondering when Cisco would activate the USB ports on their devices. I have been hoping for all kinds of USB functionality to routers, switches, firewalls but Cisco has been slow ...

Different USB port colors correspond to different functionality, including some that provide constant power. Here are the colors that mean a port is always on.