16950 UART serial ports (9-pin) With this PCI 2S Duet controller card you can add four serial ports using just one PCI slot. The included 2-port fan out connector brings the serial connections to you. This PCI 2S Duet controller card is Ideal for 56K V.90 external modems and ISDN terminal adapters and other high-speed serial port devices. Features: • Oxford OXmPCI952-LQ-A chipset • Reduces CPU load and improves system performance dramatically • Compatible with 32/64-bit PCI and PCI-X slots with 3.3 volt or 5 volt • Conforms to PCI v2.2 Plug and Play • Four (2) standard (RS232) 9-pin serial connections (via fan out connection) • Regulatory Approvals: FCC * CE