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Instruction Manual
1
Introduction
Thank you for purchasing a StarTech.com PEX1S952/PEX2S952/ PEX1S952LP/PEX2S952LP Native
PCI Express 16C950 UART Serial Card. This dual prole Serial card converts a PCI Express slot into
one or two RS-232 (DB9) serial connections, while relying on a native, single-chip design for
optimal performance and reliability.
Features
• 128-byte deep FIFO per transmitter and receiver
• Automated in-band software ow control using programmable Xon/Xo in both directions
• Automated out-of-band hardware ow control using Tx/Rx/RTS/CTS/DSR/DTR/DCD/RI/GND
• Compliant with IEEE1284, SPP/EPP/ECP parallel port
• Compliant with PCI Express base specications revision 1.1
• High Performance Dual Channel Oxford 950 UART
• Native single-Chip, single lane PCI Express
• Selectable power output on pin 9 for the serial port
• High speed RS-232 serial ports with data transfer rate up to 460.8 Kbps
Package Contents
• 1 X Serial Card (Low Prole bracket preinstalled on LP models)
• 1 X Driver CD
• 1 X Instruction Manual
• 1 X Low Prole Bracket (PEX1S952 only)
• 2 X Low Prole Bracket (PEX2S952 only)
• 1 x Full Prole Bracket (PEX1S952LP/PEX2S952LP only)