TTESwitch Module A664 Pro

Certifiable 10/100/1,000 Mbit/s TTEthernet Network Switch Module Core

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The TTESwitch Module A664 Pro brings the full power of Deterministic Ethernet communication technology to aerospace certifiable hardware. TTEthernet technology enables hard real-time operation in distributed systems based on Ethernet networks with speeds up to 1 Gbit/s. The switch uniquely supports three standard traffic classes in parallel on one physical media.


TTESwitch Module A664 Pro

Key Benefits

    • Ethernet traffic (IEEE 802.3)
    • Rate-constrained traffic (ARINC 664 part 7)
    • Time-triggered traffic (SAE AS6802)
    • Operating temperatures from -40°C to +85°C (ambient temperature on switch box)
    • Altitudes up to 15,200 m (50,000 ft) MSL
    • Relative humidity 95% +/- 4%
    • Environmental tests: DO-160G compliant
    • Switch module core hardware: RTCA DO-254 DAL A
    • Embedded software: RTCA DO-178C DAL A
    • Environmental ratings: RTCA DO-160G
    • Safety assessment: according to SAE ARP 4754/4761

Key Features

  • The TTESwitch Module A664 Pro enables the implementation of critical network-centric applications. The high-performance switch enables packet processing on all 24 ports with full line speeds:

    • 6 x 10/100/1,000 Mbit/s ports
    • 18 x 10/100 Mbit/s ports
    • 1 additional mirroring port: 10/100/1,000 Mbit/s
  • The TTESwitch Module A664 Pro allows the configuration of up to 4,096 virtual links (VLs). VLs can be configured with 8 priorities and a bandwidth allocation gap (BAG) of 0.5 to 1,600 ms.

    The configuration of the network is stored in the switch’s non-volatile memory (256 Mbit). As an option, IEEE 802.1Q VLANs can be configured. Profiled IP/UDP, redundancy management and traffic shaping are implemented in the hardware. A built-in TMS 570 CPU is used for management and higher-layer protocol functions.

  • The built-in management module runs on a separate CPU. It allows for data loading as well as for querying the network status via SNMP. Data loading is done according to ARINC 615A-3.

    • 6 x 10/100/1,000 Mbit/s full-duplex Ethernet (via QSGMII)
    • 18 x 10/100 Mbit/s full-duplex Ethernet (via QSGMII)
    • 1x 10/100/1,000 Mbit/s Ethernet Mirroring (via QSGMII)

If you require more detailed information you can download the data sheet or contact us directly at