Mike removed the extraneous hardware, just leaving the UART on this IBM PCMCIA modem and replaced it with ... finished PCMCIA serial port. That fine SMD soldering is hard to do.

A modem that plugs into the USB port of a computer. The term states only that the connection to the computer is via USB but does not imply which network service is supported. It often refers to a ...

Enter the isolated USB null-modem. The device consists of two USB Communication Device Class, or CDC chips, creating a USB serial port for each attached computer. The TX and RX lines are cross ...

If you've purchased cable internet service, find a cable port in your house to connect the modem to. If you've purchased DSL phone internet service, you'll need to plug the modem into your home's ...

Serial ports are widely used by sensors for data acquisition, and they were standard on early computers for connecting a modem, mouse and other peripherals. Old Macs used the serial port for printers.