Tripp Lite Keyspan High-Speed 4-Port Rs232 Serial Db9 To Usb Adapter Hub(Usa-49Wg)

Tripp Lite Keyspan High-Speed 4-Port Rs232 Serial Db9 To Usb Adapter Hub(Usa-49Wg)The USB 4-Port Serial Adapter from Keyspan is an adapter box that allows you to connect up to four serial devices to a...