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Time-Triggered Ethernet (TTE) Modules

NAI's Time Triggered Ethernet (TTE) smart function modules are certifiable, single-port, tri-redundant, deterministic Ethernet communications interface module that supports TTTech’s certifiable TTEthernet® End System product consisting of three traffic classes: SAE AS6802 (Time-Triggered Ethernet), ARINC 664 Part 7 (Avionics Full-Duplex Switched Ethernet (AFDX®), and/or IEEE 802.3 best-effort protocol. By supporting all three traffic classes, NAI's smart function modules are the ideal solution for current users of IEEE 802.3 Ethernet, who plan to upgrade to Deterministic Ethernet (ARINC 664 Part 7 (AFDX®) or Time-Triggered Ethernet SAE AS6802) protocols in the future at any time without changing hardware.

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.



View Other COSA Product Families:

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.

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Time-Triggered Ethernet / ARINC 664 Part 7 (AFDX®) / IEEE 802.3 Ethernet Deterministic Communications
  • Communications: PCIe GenII (5.0 Gbps) Endpoint
  • Protocols: IEEE 802.3; ARINC 664 Part 7 (AFDX); SAE AS6802 TTEthernet
  • Ethernet Standards IEEE 802.3: 10 BASE-T, 100 BASE-T, 1000 BASE-T