PMC Serial I/O

This product reached the end of its lifecycle (end-of-life) on December 31, 2010

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The PMC421 provides a uniquely effective solution for integrating serial I/O requirements into a VMEbus or CompactPCI system. Implemented on a single PMC card, the PMC421 is fully compatible with current generation VMEbus and CPCI Single Board Computers, as well as any special purpose processor that includes a PMC connector. In addition, card edge PCI systems can be accommodated using our PMC239 adapter for rapid prototype and development. Intelligent Serial, 8 Ports, Front or Rear I/O, Onboard CPU to off-load host, Character blocking & DMA for efficient PCI utilization, Baud rate from 150 bps - 1.5 bps, Software selectable, RS232, RS422 & RS485 (full and half duplex), All ports fully independent, Custom firmware options for special purpose applications.

  • Custom Firmware Options for Special Purpose Applications
  • All Ports Fully Independent
  • Software Selectable RS232, RS422 & RS485 (Full Duplex & Half Duplex)
  • Baud Rate from 150bps - 1.5Mbps
  • Character Blocking & DMA for Efficient PCI Utilization
  • On-Board CPU to Off-Load Host
  • PMC/PCI Form Factor


Form Factor
# ARINC Channels
Front I/O
Rear I/O


VxWorks, Solaris, NT, Linux, LynxOS Software Drivers.

06-2600000 - 68-pin SCSI to DB9 x 8 cable

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