Time triggered Ethernet for space gateway: Page 2 of 2

March 03, 2021 // By Nick Flaherty
Time triggered Ethernet for space gateway
TTTech Aerospace in Austria is working with Maxar Technologies to supply its time triggered Ethernet network platform for the Power and Propulsion Element (PPE) for NASA’s space Gateway. 

The cards are integrated in a hosting unit that supports three configurable Ethernet traffic classes in a modular, compact and standardized design for maximum compatibility with Maxar’s avionics system.

“Maxar completed  the Systems Requirements Review for PPE, and we are now beginning to contract our sub-suppliers. We chose TTTech Aerospace because they can provide us with a complete, fault-tolerant, mature network solution allowing Maxar to implement our mission-critical applications. TTEthernet technology forms the backbone for inter-element data and network communications across the combined PPE-HALO spacecraft. We appreciate the support from their expert team,” said Vince Bilardo, Senior Executive Director for NASA Programs at Maxar Technologies.

The PPE will be integrated on the ground with Northrop Grumman’s Habitation and Logistics Outpost (HALO) element of Gateway, and the combined PPE-HALO spacecraft will launch aboard a commercial heavy-lift rocket.

“In this project, RUAG Space brings together its strong expertise in space electronics engineering and manufacturing with TTTech’s expertise in software, fault-tolerant systems and customized electronic chips. RUAG Space will provide space qualified hardware (electronic units) that enable the use of the highly reliable TTEthernet technology in space applications,” said Luis De León Chardel, Executive Vice President ad interim at RUAG Space.


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