
Instruction Manual
1
Introduction
Thank you for purchasing a StarTech.com PEX4S552 4 Port Dual Profile
PCI-Express UART Serial Card. Turning a PCI Express slot into four
available RS-232 (DB9) serial connections, this innovative card utilizes a
native, single-chip design for optimal performance and reliability.
Compatible with a broad range of operating systems, including Windows®
2000/XP/2003/Vista™ (32-bit and 64-bit), Linux Kernel 2.6.11 and up,
and MAC OS 10.4 and above, the PEX4S552 PCI Express Serial Card
also features an optional low profile bracket that allows the card to be
installed in virtually any computer case regardless of the form factor of
the case.
Features
128-byte deep FIFO per transmitter and receiver •
Automated in-band software flow control using programmable Xon Xoff •
in both directions
Automated out-of-band flow control using CTS/RTS and DSR/DTR •
Compliant with PCI Express base specifications revision 1.0a •
Four high speed RS-232 serial ports with data transfer rate up to 460.8 •
Kbps
Native single-Chip, single lane PCI Express •
Selectable power output on pin 9 for the serial port •
Package Contents
1 x 4 Port PCI-Express RS-232 Serial Card •
1 x Driver CD •
4 x LP brackets •
1 x Instruction Manual •
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