Specifications

2 Document History
• Version 4 (Nov 7, 2009):
– Revised architecture diagram to remove PPS and 10 MHz interfaces into MCS/Scheduler
(determined that NTP will suffice).
– Revised architecture diagram to replace LTO tape dr ives with DRSUs.
• Version 3 (Feb 25, 2009):
– Revised architecture diagram to indicate an “MCS Common ICD” connection to SHL. J.
Craig indicates that SHL will have a computer which in turn will control SHL-PCD and
SHL-ECS.
• Version 2 (Feb 23, 2009):
– TBW/TBN input to MCS-DR now indicated as 10 Gb/s.
– J. Craig indicates that PCD will require an unknown number of “MCS Common ICD”
interfaces. These have been added.
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