ska phase 1 system requirements specification - The Square ...

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WP2‐005.030.000‐SRS‐002Revision : B4 Operational Requirements4.1 GeneralThis section states general operational requirements.Ident Requirement Applicability Parent VerificationSYS_REQ_3110Up‐time. SKA1 shall be aimed tobe operated continuously (7 daysper week 24 hours per day).TBDIdent Requirement Applicability Parent VerificationSYS_REQ_3130Remote M&C from sites. It shallbe possible for the operator tocontrol and monitor the SKA1instrument from the SKA stationsites and core site.TBDIdent Requirement Applicability Parent VerificationSYS_REQ_3140Physical access security. Thesystem shall provide security toprevent unauthorized physicalaccess to facilities and resources.TBDTo be added: security measures for other aspects such as network access, server access, encryptionof M&C messages.4.2 Routine operationsThis section gives system level requirements for the routine operations of SKA 1 .Ident Requirement Applicability Parent VerificationSYS_REQ_3150Reconfiguration time.Reconfiguration of SKA1 from oneobservational mode to anothershall not take longer than 5minutes (TBC) provided allsoftware applications are presentat their designated location.TBD2011‐02‐14 Page 28 of 58
WP2‐005.030.000‐SRS‐002Revision : B4.3 Start‐up and shutdownThis section gives system level requirements for SKA 1 start‐up and shutdown, including check‐out atinitialization.Ident Requirement Applicability Parent VerificationSYS_REQ_3160Full remote control. It shall bepossible to control all SKA1functions from the operationalcentre, without requiring physicalaccess to the instrument,including start‐up and shut down.TBDIdent Requirement Applicability Parent VerificationSYS_REQ_3170Start‐up sequence. The start‐upof SKA1 functions shall follow apre‐defined sequence taking notlonger than:10 minutes for a hot start (=restart)24 hours for a cold startTBDTo be added: definition of hot and cold start.Ident Requirement Applicability Parent VerificationSYS_REQ_3180Start‐up and shut‐downindividual antenna systems. Itshall be possible to start‐up orshutdown individual dishes oraperture arrays withoutdisturbance [TBC] of routineoperations.TBDIdent Requirement Applicability Parent VerificationSYS_REQ_3190Shut‐down sequence. Theshutdown of SKA1 shall follow apre‐defined sequence taking notlonger than TBD minutes. SKA1shall also have an emergencyshut‐down for wind (stowingdishes), lightning, and electricpower anomalies.TBD2011‐02‐14 Page 29 of 58
Page 1 and 2: SKA PHASE 1 SYSTEM REQUIREMENTS SPE
Page 3 and 4: WP2‐005.030.000‐SRS‐002Revisi
Page 15 and 16: 3.3.5 Spectral ResolutionWP2‐005.
Page 25 and 26: 3.10.3 Monitoring requirementsWP2
Page 27: WP2‐005.030.000‐SRS‐002Revisi
Page 57 and 58: 9 Quality Assurance ProvisionsWP2

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