Some software and specialty hardware requires you to use a traditional serial port. Serial ports have been around for decades and work by transferring one bit of data at a time at a relatively slow ...

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 ...

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 ...