Time-Triggered Ethernet Switch Unit – TSU
The TTE Switch Unit is a modular system supporting configurations with 1 to 4 TTE switch boards.
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.
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).
Architecture Ports Layer 3 (Routing) Layer 4 (Switching) Power Physical Environmental Single or Dual-lane per-port redundancy • Dual input redundant power supply • Independent operation of up to 4 TTE switch boards 24x 1000 BASE-T (Triple speed) + 24x 100 BASE-TX Ethernet ports Functionality can be implemented on demand Port 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 configuration Mass: Max 8.6 kg depending on configuration • Dimensions: 294mm x 292mm x 140mm Operational Temperature Range: -35°C to +65°C (vacuum)