Brainboxes 1 Port Rs232 Card, User Manual

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1 Port RS232 Card Chapter 2
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Chapter 2
Hardware Configuration
Hardware Configuration
This chapter details the specifications of the PCI 1 Port RS232 card. This half-
sized card will work happily in any PCI 2.0 or greater compliant PC compatible.
General Card Features.
A 9 pin D RS232 Serial port.
Reliable communications up to 50 feet, 15m, and beyond!
Word length of 5, 6, 7 or 8 bits.
Even, Odd, None, Mark or Space parity options.
1 start bit always sent.
1, (1.5 for 5-bit data word length) or 2 stop bits.
Full modem control TXD, RXD, DSR, DCD, DTR, RTS, CTS and RI signals.
Fully double buffered for reliable asynchronous operation.
High-speed integrated circuitry ensures operation with fast PC’s e.g.700MHz
PentiumIII WITHOUT extra wait states.
16C550 FIFO provides 16-byte input and 16-byte output buffer on each port.
Maximum baud rate of 115,200 Baud.
Clock input of 1.8432 Mhz