PCI one chip solution(OXFORD OXuPCI952)

It's real COM Port in your computer, high compatible with serial type device.

* Provides two DB9 RS232 ports
* High speed 16C950 compatible UART controller on-board
* Supports serial transmission rate up to 460Kbps
* On-chip hardware auto flow control to guarantee no data loss

* Built-in 128K byte DMA software FIFO

* No IRQ resource required

* Easy Plug and Play Installation

* Works with various types of RS232 serial devices including modems,   PDAs, label printers, bar code scanners, digital cameras, and more

* Supports Windows® 95/98/ME/NT/2000, XP, Server 2003 ,Vista,Win7 and Linux