StarTech.com 2 Port USB to RS232 Serial DB9 Adapter Cable - serial adapter

Add 2 serial RS-232 ports to any laptop or computer with a USB port. The StarTech.com ICUSB232C2 2 port USB to DB9 RS232 Serial Adapter Cable lets you connect up to two DB9 RS232 serial devices simultaneously to your Mac or PC laptop or desktop computer through a USB port, as though the computer offered an onboard DB9M connector. A cost-effective solution that bridges the compatibility gap between modern computers and legacy serial peripherals.