The EX-46028 PCIe I/O card provides eight serial RS-232 High Performance UART 16C550 outputs. It is designed to expand eight additional serial ports for PCs, workstations, or servers via the PCIe bus. The eight 9-pin connectors are linked through an octopus cable, requiring only the space of a single slot bracket. The EX-46028 comes with a low profile bracket for slim computer cases up to 8 cm in height.

RS-232 V.24 interface
FIFO Buffer 16C550 with 256 bytes
I/O addresses and interrupts are assigned by the operating system
PCIe interface compatible with 2.0 Gen1 specifications
Data bits 5, 6, 7, and 8
Stop bits 1, 1.5, and 2
Parity: none, even, odd, space, and mark
RS-232 signals TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
Supports RTS/CTS and XON/XOFF flow control
Chipset: EXAR/MaxLinear 17V358

Package contents:
EX-46028, octopus cable, low profile bracket, manual.