NDLI: The draft ECSS SpaceWire Backplane standard

Content Provider	IEEE Xplore Digital Library
Author	Senior, A. Coetzee, J.-P. Ilstad, J.
Copyright Year	2014
Description	Author affiliation: Thales Alenia Space (UK), Bristol, UK (Senior, A.; Coetzee, J.-P.) \|\| ESTEC, Eur. Space Agency, Noordwijk, Netherlands (Ilstad, J.)
Abstract	The SpaceWire standards are maintained and issued formally as ECSS documents (e.g. ECSS-E-ST-50-12C) and this means that equipment designed by different agencies is interoperable, which has significant benefits.SpaceWire is mainly used between instrument units, however to facilitate a high level of integration of onboard systems it is proposed that an ECSS SpaceWire Backplane standard should be created and adopted, the backplane offering power, signal and impedance-matched connectivity for high-speed serial links such as SpaceWire and SpaceFibre. The SpaceWire Backplane standard will assist in the aim of creating a common onboard infrastructure to be used across many different mission applications by encouraging design reusability at the sub-unit (PCB plug-in module) level. A key advantage of a SpaceWire Backplane is the scalability of the design. A draft SpaceWire Backplane ECSS standard has been created by TAS-UK as part of an ESA contract. It is based around the Smiths Connectors Nexus modular connector which can be populated with a variety of different contact inserts for power, signal and high-speed data and thus can be tailored to a particular application. The standard will specify the physical dimensions, connectors and electrical interfaces of the unit backplane and plug-in module. Units and plug-in modules will then be interoperable, so for example a module produced by one vendor will correctly fit into a unit from another vendor and interface correctly with the backplane electrical signals. It permits both non-redundant and redundant units to be built and does not dictate the backplane SpaceWire network architecture. Recommendations are made to assist in the creation of reliable fault-tolerant systems. It is intended that this ECSS document takes advantage of specifications already existing, namely other ECSS and also ANSI/VITA VPX standards. The principal VITA standards are referenced include VPX (VITA 46), OpenVPX (VITA 65) and a new draft standard SpaceVPX (VITA 78). It is anticipated that there will be a harmonisation activity in future between the SpaceVPX and this ECSS document before the formal ECSS standard release. This paper is a walk-through of the ECSS Backplane standard, it describes the thought processes and rationale behind it and the anticipated advantages of adopting it.
Starting Page	1
Ending Page	4
File Size	957953
Page Count	4
File Format	PDF
ISBN	9780955719653
DOI	10.1109/SpaceWire.2014.6936267
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-09-22
Publisher Place	Greece
Access Restriction	Subscribed
Rights Holder	University of Dundee
Subject Keyword	Networking SpFi Backplane Aerospace electronics SpaceFibre Standards Avionics Connectors Space vehicles SpaceWire Backplanes Spacecraft Electronics Computer architecture SpW SpaceVPX Resource management ECSS
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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