The USB to serial adapter has a USB-A port on one end and a serial port on the other. The serial port is most commonly RS232, which is a standard that dates back to the 1960s.

Since most of us are long past the days of hardware serial ports, the USB to serial adapter has become a mainstay on the hacker’s tool belt. While they’re cheap and convenient, USB to s… ...

SeaLink+8 adapters are housed in durable plastic enclosures and include a high-retention USB type-B connector that prevents accidental disconnection of the USB cable. Both models are USB-powered, so ...

Physically, a USB-RS232 adapter will get them connected but I was wondering if any of them have iPhone drivers. My Google-fu is weak today, and I haven't found an answer. Is anybody doing this?

Each adapter adds one, two, four, or eight Serial COM ports without the need for card-slots or external power supplies. The USBCOMS Series maintains the full data-control set of a nine-pin serial ...

Expanding the SeaLINK USB family, the SeaLINK+I.DIN (Item# 2113) and SeaLINK+2I.DIN (Item# 2213) optically isolated USB to RS-232/-422/-485 adapters offer one or two serial ports, respectively ...