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COSA® Design Advantages

As a result of our Configurable Open Systems Architecture™ (COSA®), NAI’s I/O Boards can be configured in a virtually unlimited number of ways.

Select from over 70 pre-integrated I/O, measurement, simulation or communication functions to meet your application-specific requirements quickly, and without the need for custom boards or NRE charges.




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Available rugged system chassis are scalable to support distributed, networked and high-density centralized systems.





All NAI products are 100% designed and manufactured in the United States.

Module AR1
  • No. of Channels: 12 Channels
  • Frequency: 100 kHz or 12.5 kHz operation (programmable)
  • Input/Output: 12 channels, programmed for either Rx or Tx per channel.
  • Message Buffer: Rx/Tx FIFO buffering; Label/SDI filtering
  • ARINC Standard: ARINC 429 or 575 programmable/channel

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Module AR2
  • No. of Channels: 2
  • Channel 1: Rx and Tx (independent signal lines ARINC 568)
  • Channel 2: Rx or Tx (programmable ARINC 579)
  • Receive/Transmit Buffers 32-bit data buffer / 1024 deep
  • ARINC Standard: ARINC 568/579 programmable/channel

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