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1、Meta Open Rack Frame V3 SpecificationFacilityMeta Open Rack Frame V3 SpecificationGlenn Charest,Tech Lead,MetaRichard Banyard,Sr.Design Engr.,RittalORv3 Meta VersionThis frame design is an implementation of Option 1 outlined in Open Rack V3 Base SpecificationProvides the structure and power for inte
2、roperability of Open Rack based IT SystemsBuilds on foundation of ORv2 Frame*Fundamental building block for the Open Compute ecosystem*note that v2&v3 components are not compatibleFront Iso ViewOverview of Open RackFeatureOpen Rack V2Open Rack V348V SupportNoYesPower Shelves in any rack slotNoYesToo
3、l-less rack railsNoYesRU Gear supportNoYesGear Qty.Supported OU/RU40 OpenU/None44 OpenU/47 RUModular rack cabling solutionNoYesMovable Cross Brace/StiffenerNoYesRack Height2210mm2286mmMax.Payload1400kg1400kgFrame FundamentalsParameterSpec.Size2286Hx600Wx1098D(mm)Max Payload1400 kgRear Door Max Wt.15
4、0 kgAir Flow DirectionFront to BackOpenU Support44RU Support47Operating Temp10C to 60COperating Humidity85%max,5C dew point min.Blind mate liquid cooling supportFuture updateFront ViewBusbarIT GearBracketsDesign UpdatesKey changes:outer member flange location shiftedInner member bracket hole locatio
5、ns(vertical change)IT gear brackets had minor design changes to latch and hook featuresTop canopy baffle lowered to reduce bypass airRU Holes MovedOuter Flange MovedHook Hole ClearanceLatch ChangePartial Section View of FrameOverlay of Latest and old bracketChallengesTolerances and process capabilit
6、y resolved with jigs,welding process optimization,and minor design changesRetaining latch for IT Gear Brackets improved design with revised latch catch profileRear Iso ViewBusbarKey InterfacesFeatures M8 hardware for front and rear doorsInterfaces for stabilizerM8 Nutserts for Door fastening.Geometr
7、y for Side stabilizer interfacesM12 Nutserts for AccessoriesKey InterfacesFrame Features members locate&constrain IT bracketsHook-FrontInterfaces-RearTest RequirementsRack Mover Test pull test to verify rack will not deform when moved with Meta tugIT Bracket Pull test retention force for tool less r
8、etention clipsDynamic&Static load tests simulate when initially sliding IT gear on to bracketsKit Cable Management TrayThe trays are removable with fastenersAllows for variations to optimize for specific rack configurations(ORv2 design was part of weldment)Accessories Air Containment BlanksSized 1 t
9、o 4 OUHeld in with FrictionKit Air Containment Rack to Hot IsleSeals at front&rear sidesTop&bottom of rack containmentKits IT Support BracketsOU IT bracketsPower shelf bracketsTool-lessKits Cross Brace2 per rack,front and rear attachment6 parts&6 fastenersPositions 18OU to 27OU,default 23OUFor 800kg
10、 loadsKits-StabilizerTool-lessInterfaces on frame to capture stabilizerSlides into slots in frame and retained with a plungerLeft and right are same designInformation to Be ProvidedFrame assembly CAD and drawingsFrame components and subassembly CAD and drawingsKey Accessories and KitsStatus:Submitte
11、d to IC for review Target availability is within 60 days of IC approval Link to Contribution DB/OCP Marketplace once IC has approved designProject Wiki:Rack&Power project page:https:/www.opencompute.org/projects/rack-and-powerLatest specs:https:/www.opencompute.org/wiki/Open_Rack/SpecsAndDesignsJoin the mailing list:https:/ocp-all.groups.io/g/OCP-RackandPowerCall to ActionThank you!