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Time-Triggered Ethernet Switch Unit – TSU

      • Rugged Ethernet Gateway – REG
      • Time-Triggered Ethernet Switch Unit – TSU
      • Exposed Payload Hosting Unit – XPHU
      • Payloads Control & Data Management System – CDMS
      • CAMP
      • Video Management Unit – VMU
      • Mating/Demating Device – HOTDOCK
      • Walking Manipulator
      • In Situ Resource Utilisation – ALCHEMIST
      • Lunar Rover – LUVMI-X
      • Automated Service Builder – ASB
      • Operations Planning tool – OPT
      • Mission Control System – YAMCS
      • Dual Force-Feedback Arm & Hand Exoskeletons – DEXO
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The TTE Switch Unit is a modular system supporting configurations with 1 to 4 TTE switch boards.

  • Overview

    The TSU is a rugged TTE switch system optimized for demanding Size, Weight and Power (SWaP) constraints of embedded space computer network systems and avionics for critical control applications. The TTE Switch Unit has a modular  design allowing independent in-orbit  replacement of the Power Supply Board, and Switch Modules. Each TTE switch board is installed in a dedicated slot and operates independently.

    Power Supply Board provides each Switch Board with independently switchable power input, i.e. each Switch Board may be switched on/off individually via HV-HPC interface. Switch Board input power status is reported via binary status monitoring interface.

    Applications

    The TSU is a reliable and flexible building block for mission critical realtime avionics networks and an elegant solution for connecting a large number of IP-enabled devices, including cameras, sensors, payload, commandand-control equipment deployed in space infrastructures.

    • Space: Space Stations, Space transportation systems, orbital infrastructures. Deep Space Gateway IHAB&ESPRIT
    • Aerospace: Military and civil spacecraft.
    • Defence: Battlefield communication, rugged networks, combat vehicles.
    • Others: Radiation exposed environment (Medical devices, Nuclear Power Plant, Nuclear Research facilities).
  • More information on the Product Sheet

  • Specification Summary

    ArchitecturePortsLayer 3 (Routing)Layer 4 (Switching)PowerPhysicalEnvironmental
    Single or Dual-lane per-port redundancy • Dual input redundant power supply • Independent operation of up to 4 TTE switch boards24x 1000 BASE-T (Triple speed) + 24x 100 BASE-TX Ethernet portsFunctionality can be implemented on demandPort control: port-speed, duplex mode, flow control, port frame size (jumbo frames), port state, port status (link monitoring), port statistics (MIB counters)Power Input: dual-redundant 120 VDC nominal steady state • Power consumption: Max 75 Watt depending on configurationMass: Max 8.6 kg depending on configuration • Dimensions: 294mm x 292mm x 140mmOperational Temperature Range: -35°C to +65°C (vacuum)
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    Product Sheet

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