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PPA-ME04-002235-4 - System Requirements Specification (SyRS)

[document] Submitted on 1 March, 2010 - 01:46
Keywords Data Item Description (DID) requirements specification system system requirements System Requirements Specification (SyRS)
Standards groups
Metadata
Document identifier
PPA-ME04-002235-4
Date published
2007-04-26
Language of Attachment(s)
English
Document type
Data Item Description (DID)
Pages
12
Replaced/Superseded by document(s)
Cancelled by
Amended by
File MIME type Size (KB) Language Download
PPA-ME04-002235 (SyRS).pdf application/pdf   172.91 KB English DOWNLOAD!
File attachments
Extract(s)

The System Requirements Specification (SyRS), or just System Specification, specifies the
requirements to be satisfied by a system, subsystem, HWCI, component or other item and optionally
the requirements for evidence that each requirement has been so satisfied. Requirements pertaining to
the system, subsystem or item’s external interfaces may be presented in the SyRS or in one or more
Interface Requirements Specifications (IRSs) or Interface Control Documents (ICDs) referenced from
the SyRS.

The SyRS, possibly supplemented by IRSs or ICDs, is used as the basis for procurement, design,
qualification testing and acceptance testing of the system, subsystem or other item. Throughout this
DID, the term “system” may be interpreted to mean "segment", "subsystem", "element", "HWCI",
component or other item, as applicable. The resulting document should be titled System Requirements
Specification, Segment Requirements Specification, Component Requirements Specification or
similar, as applicable, or a corresponding subject matter – specific name, eg. “Air Traffic Control
System Requirements Specification”, “Requirements Specification of Power Supply Module”, etc.

This Data Item Description (DID) may be cited in a Statement of Requirement (SOR), Task
Specification (TS), a Contract Data Requirements List (CDRL), within a standard invoked by a SOR
or TS, or within a plan, policy document or procedure.

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