Seagate ST400FX0012 Physical characteristics, Connector requirements, Electrical description

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11.4.2Physical characteristics

This section defines physical interface connector.

11.4.3Connector requirements

Contact your preferred connector manufacturer for mating part information. Part numbers for SAS connectors will be provided in a future revision of this publication when production parts are available from major connec- tor manufacturers.

The SAS device connector is illustrated in Figures 15 and 16.

11.4.4Electrical description

SAS drives use the device connector for:

•DC power

•SAS interface

•Activity LED

This connector is designed to either plug directly into a backpanel or accept cables.

11.4.5Pin descriptions

This section provides a pin-out of the SAS device and a description of the functions provided by the pins.

Table 21: SAS pin descriptions

Pin	Signal name	Signal type


S1	Port A Ground
S2*	+Port A_in	Diff. input pair

S3*	-Port A_in
S4	Port A Ground

S5*	-Port A_out	Diff output pair
S6*	+Port A_out

S7	Port A Ground
S8	Port B Ground

S9*	+Port B_in	Diff. input pair
S10*	-Port B_in

S11	Port A Ground
S12*	-Port B_out	Diff output pair

S13*	+Port B_out
S14	Port B Ground

*- Short pin to support hot plugging NC - No connection in the drive.

Pin	Signal name	Signal type


P1*	NC (reserved 3.3Volts)
P2*	NC (reserved 3.3Volts)

P3	NC (reserved 3.3Volts)
P4	Ground

P5	Ground
P6	Ground

P7	5 Volts charge
P8*	5 Volts

P9*	5 Volts
P10	Ground

P11*	Ready LED	Open collector out
P12	Ground

P13	12 Volts charge
P14*	12 Volts

P15*	12 Volts

58	Pulsar XT.2 SAS Product Manual, Rev. B

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Contents ST400FX0002ST400FX0012 ST200FX0002 ST100FX0002 Standard Models Self-Encrypting Drive ModelsRevision history Contents Installation Physical/electrical specificationsDefect and error management About self-encrypting drivesPage Pulsar XT.2 SAS Product Manual, Rev. B List of Figures Page Seagate Technology support services Seagate Online Support and ServicesScope Electromagnetic compatibility Applicable standards and reference documentationStandards Electromagnetic susceptibilityAustralian C-Tick Electromagnetic complianceElectromagnetic compliance for the European Union Korean KCCReference documents China Restriction of Hazardous Substances RoHS DirectiveStandard features General descriptionMedia description PerformanceReliability Factory-installed options Formatted capacitiesProgrammable drive capacity Thin Provisioning Drive Configuration Performance characteristics Performance characteristicsInternal drive characteristics Access timeFormat Mode Dcrt Bit IP Bit 400GB 200GB 100GB PerformanceStart/stop time Cache controlCaching write data Reliability specifications Error ratesEndurance Management Data Retention Reliability and servicePreventive maintenance Lifetime Endurance ManagementControlling S.M.A.R.T Maximum processing delay Fully-enabled delay4 S.M.A.R.T Performance impactPredictive failures Thermal monitorDST failure definition State of the drive prior to testingDrive Self Test DST ImplementationExtended test Function Code 010b Short and extended testsShort test Function Code 001b Log page entriesProduct repair and return information Product warrantyShipping StoragePhysical/electrical specifications Power specificationsAC power requirements DC power requirements 400GB standard model DC power requirements200GB standard model DC power requirements 100GB standard model DC power requirements Conducted noise immunity General DC power requirement notesPower sequencing Current profilesCurrent profiles for 200GB models Power dissipation 400GB models in 6Gb operation200GB models in 6Gb operation Temperature a. Operating Environmental limits100GB models in 6Gb operation Relative humidity Effective altitude sea level a. OperatingShock and vibration Shock Recommended mountingAir cleanliness Vibration a. Operating-normalCorrosive environment Mechanical specifications Mounting configuration dimensions 400GB modelsWeight Pounds 100 grams About self-encrypting drives Controlled accessAdmin SP Data encryptionDrive locking Default passwordRandom number generator RNG Data bandsSupported commands Authenticated firmware downloadPower requirements Cryptographic eraseDefect and error management Drive internal defects/errorsSSD Physical format address descriptor Bit Byte Background Media Scan Drive error recovery proceduresSAS system errors Auto-ReallocationLevels of PI Setting and determining the current Type LevelProtection Information PI Identifying a Protection Information driveInstallation Drive orientationCooling Air flowDrive mounting GroundingSAS features Interface requirementsDual port support Scsi commands supported Supported commandsPersistent Reserve Read Capacity Write Mode Sense data Inquiry dataPage Mode Sense data for 400GB drives 14 1a 00 1aMode Sense data for 200GB drives Mode PagesMode Sense values for 100GB drives Miscellaneous status Miscellaneous operating features and conditionsMiscellaneous features SAS physical interfaceDatum B Section C C Section a a Electrical description Physical characteristicsConnector requirements Pin descriptionsSAS transmitters and receivers Signal characteristicsPower Ready LED OutDifferential signals SAS-2 Specification complianceLED drive signal General interface characteristicsIndex NumericsPage RNG See also cooling Page Seagate Technology LLC Americas