SER5027AL 1-port RS-232 Universal PCI Low Profile Serial Board SUNIX SER5027AL, Universal PCI serial communication board, allows users to add or expand single RS-232 port on PC-based system. The card is compatible with both 64 / 32-bit PCI architecture supporting 3.3 and 5V Bus, allowing it to be installed in virtually any PC-based systems. SUNIX SER5027AL card has 128-bytes onboard FIFO buffer and compatible with 16C950 UART specification. It is designed with SUNIX UART controller, SUN1989 and as well built with many of SUNIX advanced features and technologies, making it the best solution for commercial and industrial automation applications. Interface RS-232 Controller SUNIX SUN1989 (16C950 UART Compatible) Bus Universal PCI 64/32bit 3.3V/5V PCI Ver 3.0, 2.3, 2.2, 2.1 No. of Port 1-port IRQ & IO Assigned by System FIFO 128 byte (Hardware) Signal TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND, RI Baud rate 50 bps to 115.2 Kbps Data bit 5,6,7,8 Stop bit 1,1.5,2 Parity None, Even, Odd, Space, Mark Flow Control None, Xon/Xoff, RTS/CTS Protection ±2KV ESD protection for each signal Human Body Model (HBM) PCB connector DB9 Male