SUNIX PCIE 2 Port Serial Card Full Height Expansion RS-232 - It is compatible with PCI Express x1, x2, x4, x8 and x16 laneSunix PCIE 2 Port Serial Card Full Height Expansion RS 232 It is compatible with PCI Express x1, x2, x4, x8 and x16 lane General Interface RS 232 Controller SUNIX SUN2212 PuLao (16C950 UART Compatible) BUS PCI Express Spec 2. 0, Single Lane (x1) IRQ & IO Assigned by System Serial Communication Interface RS 232 No. of Port 2 port FIFO 128byte Hardware Signal DCD, TxD, RxD, RTS, CTS, DTR, DSR, GND, RI Baud rate 50bps ~ 115. 2Kbps Stop bit 1, 1. 5, 2