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Four Port RS-232 Interface

SKU: PCI-COM232/4 Category:



  • Four low cost RS-232 interface ports
  • PCI bus 2.1 compliant
  • All control signals are provided: RTS, CTS, DTR, DSR, DCD and RI.
  • Speeds to 460.8 Kbps
  • Guaranteed RS232 performance to 115.2 Kbps
  • 16C550 UARTís with 16-byte FIFO standard
  • Optional 16C750 UARTís with 64-byte FIFO
  • 37 Position D-type connector with fanout cable to 4 DB-9 male connectors
  • Interrupt status register for increased performance
  • Optional surge suppression on each signal line


Serial ports: 4
Configured: Address and interrupt configured through PCI BIOS and supplied drivers
Max. baud rate: to 460.8 Kbps, software selectable per channel for 115.2, 230.4, or 460.8Kbps
Serial modes: 5, 6, 7, or 8 data bits; odd, even or no parity; 0, 1 or 2 stop bits
UART: 16C550 standard
Interrupt Status: Each UART interrupt status read from any UARTís Scratchpad Register
Connector: 37 position D-type with fanout cable to 4 DB-9 or DB-25 male connectors
Power: +5V only

Form Factor:
PCI 2.1 complaint

DB37 fanout cable to four DB9 connectors Included

Program / Software Information

Software Description:
Drivers for Windows 95 and Windows NT supplied

Additional information

Weight 2 lbs

Measurement Computing Corporation (formerly ComputerBoards)


Communication, Serial / Parallel