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The PMC-422 is a flexible solution for integrating multiple serial I/O channels onto a Single Board Computer (SBC), VMEbus or
CompactPCI system. Efficiently packaging eight serial channels onto a single PMC makes effective use of available PMC sites. Each serial port is implemented with an independent UART with a separate programmable baud rate.
An Octal UART is used to increase performance by reducing programmed I/O operations. Use of the Octal UART also minimizes the time required to integrate the PMCs into existing software environments, plus provides an evolutionary path for enhanced software to further improve performance.
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Features
• PMC form factor
•Eight port RS232/RS422/RS485 serial controller
•PCI bus 2.2 target interface compliant up to 33 MHz clock, 32-bit bus
• Eight high performance 16C550 UARTs with 64 bytes of TX/RX FIFO per channel
•All ports accessible on rear I/O J4 with PMC I/O Module (PIM) PIM422RC
• 4 RS232 ports can be accessible via front RJ45 connectors
• Automatic RTS/CTS or DTR/DSR flow control
•Automatic Xon/Xoff software flow control
• RS485 half-duplex control with selectable delay
•Conformal coating optional
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86-18965423501 
86-18965423501
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