StarTech.com 2 Port Native PCI Express RS232 Serial Adaptor Card with 16550 UART

CCL Code: CNT0131
Mnfr Code:

PEX2S553

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The PEX2S553 PCI Express serial card lets you turn a PCI Express slot into 2 RS232 (DB9) serial ports. Based on a native single chip design (no bridge chip), this 2-port serial Adaptor card allows you to harness the full capability offered by PCI Express (PCIe), and reducing the load applied to the CPU by as much as 48% over conventional serial cards. The RS232 Serial Adaptor Card (PEX2S553) is compatible with a broad range of operating systems including Windows 2000/XP/2003/Vista/Windows 7/Server 2008 R2 (32 and 64 bit), Linux Kernel 2.6.11 and up, and MAC OS 10.4 and above.

Main Features:

Two high speed RS232 serial ports with support for data transfer rates up to 4608 Kbps
Compliant with PCI Express base specifications revision 10a
Includes half-height/low profile mounting bracket
Selectable power output on pin 9 for the serial port
128-byte deep FIFO per transmitter and receiver
Native single-chip, single lane PCI Express
Automated out-of-band flow control using CTS/RTS and DSR/DTR
Automated in-band software flow control using programmable Xon/Xoff in both directions