Overview
2 Port Native PCI Express RS232 Serial Adapter Card with 16550 (PEX2S553).
  • Two high speed RS232 serial ports with support for data transfer rates up to 460.8 Kbps
  • Compliant with PCI Express base specifications revision 1.0a
  • 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