Tripp Lite USB to 4-Port Serial Adapter

Tripp Lite's USB to serial adapter enables up to 4 serial devices (RS-232) to be connected to a computer through a single USB port. Perfect for applications where there are insufficient or no serial ports available. Use with serial devices such as touch screen monitors, digital cameras, card readers and printers. Each channel is capable of functioning at a 460.8 Mbps data transfer rate. A CD with drivers is included (Windows 98, ME, 2000, NT, XP). Plug-and-play/hot-swappable allows you to add or remove a device at any time. Does not require any external power. Tripp Lite warrants this product to be free from defects in materials and workmanship for 5 years.