Seagate ST973401SS, ST936701SS manual SAS pin descriptions, SAS transmitters and receivers

Page 66

Table 23: 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.

9.4.6SAS transmitters and receivers

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
*

A typical SAS differential copper transmitter and receiver pair is shown in Figure 18. The receiver is AC cou- pling to eliminate ground shift noise.

TX

Transmitter

100

TY

Differential

Transfer Medium

.01

.01

RX

Receiver

100

RY

Figure 18. SAS transmitters and receivers

60	Savvio SAS Product Manual, Rev. D

Image 66

Contents Savvio SAS ST973401SS ST936701SSPage Contents Seagate Technology support services Defect and error managementInstallation Interface requirementsList of Figures Page Scope Savvio family disc driveSavvio SAS Product Manual, Rev. D Electromagnetic compatibility Applicable standards and reference documentationStandards Electromagnetic susceptibilityAustralian C-Tick Electromagnetic complianceElectromagnetic compliance for the European Union Korean MICReference documents SAS Interface ManualSavvio SAS Product Manual, Rev. D General description Standard features Media descriptionPerformance Formatted capacities Factory-installed accessoriesReliability Programmable drive capacityFactory-installed options User-installed accessoriesSeek performance characteristics Performance characteristicsInternal drive characteristics Access timeFormat command execution time for 512-byte sectors minutes General performance characteristicsStart/stop time Prefetch/multi-segmented cache controlCache operation Caching write data Prefetch operation Savvio SAS Product Manual, Rev. D Recoverable Errors Reliability specificationsError rates Unrecoverable ErrorsInterface errors Reliability and serviceSeek errors Preventive maintenanceControlling S.M.A.R.T Hot plugging the drive4 S.M.A.R.T Performance impactPredictive failures Reporting controlDetermining rate Thermal monitorDST failure definition Temperature Log Page 0Dh Parameter Code DescriptionDrive Self Test DST ImplementationShort and extended tests State of the drive prior to testingInvoking DST Short test Function Code 001bAbort Product warrantyLog page entries ShippingProduct repair and return information DC power requirements Physical/electrical specificationsAC power requirements ST973401SS DC power requirementsST936701SS DC power requirements General DC power requirement notesST936701SS Gbit mode Amps Current profiles Power sequencingConducted noise immunity +5V +12VTypical ST973401SS drive +12V current profile Typical ST936701SS drive +12V current profile Power dissipation ST973401SS in 3 Gbit operationST973401SS in 1.5 Gbit operation ST936701SS in 3 Gbit operation ST936701SS in 1.5 Gbit operationTemperature Environmental limitsRelative humidity Effective altitude sea level Shock and vibrationShock Package size Packaged/product weight Drop height Recommended mountingAir cleanliness VibrationCorrosive environment Acoustics Mechanical specifications Mounting configuration dimensionsSavvio SAS Product Manual, Rev. D Defect and error management Drive internal defects/errorsDrive error recovery procedures SAS system errors Installation Drive orientationCooling Air flowDrive mounting GroundingSavvio SAS Product Manual, Rev. D SAS features Interface requirementsDual port support Scsi commands supported Commands supported by Savvio SAS family driveCommand name Command code Supported Commands supported by Savvio SAS family drive Commands supported by Savvio SAS family drive Commands supported by Savvio SAS family drive Savvio inquiry data Mode Sense dataInquiry data Bytes Data hexPage DEF CHG Savvio SAS Product Manual, Rev. D Supported Feature or condition Miscellaneous operating features and conditionsMiscellaneous features Miscellaneous statusSAS physical interface Datum B Section C C Section a a Electrical description Physical characteristicsConnector requirements Pin descriptionsPin Signal name Signal type SAS pin descriptionsSAS transmitters and receivers Signal characteristics Eye masks Eye masks overview General interface characteristicsCharacteristic Units Gbps Receive eye maskJitter tolerance masks Reveive tolerance eye maskJitter Peak-toSinusoidal Frequency in kHzTransmitter signal characteristics Signal characteristica Units GbpsMaximum allowable jitter Receiver signal characteristicsSignal characteristic Units Gbps Gbps m, n Deterministic jitterqCompliant jitter test pattern Cjtpat Impedance specificationsReceiver jitter tolerance Impedance requirements Sheet 1Transmitter characteristics Impedance requirements Sheet 2Electrical TxRx connections = -5,437dB Tctf Receiver characteristics ISI loss example at 1.5 GbpsSavvio SAS Product Manual, Rev. D Presales Support Seagate Technology support servicesInternet Technical SupportWarranty Service Data Recovery Services Authorized Service CentersData Recovery Services Call Center Toll-free Direct dial Index NumericsPage SAS See also cooling

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