SAS physical interface, Physical interface | Seagate ST3450802SS

9.4.1SAS physical interface

Figure 10 shows the location of the SAS device connector J1. Figures 11 and 12 provide the dimensions of the SAS device.

Details of the physical, electrical, and logical characteristics are provided within this section. The operational aspects of Seagate’s SAS drives are provided in the SAS Interface Manual.

The SAS connector complies with SFF-8482.

SAS Interface

connector

Figure 10. Physical interface

48	Cheetah NS 10K.2 SAS Product Manual, Rev. C

Image 52

Seagate ST3450802SS, ST3600002SS manual SAS physical interface, Physical interface

Contents

Cheetah NS 10K.2 SAS ST3600002SS ST3450802SSPage Contents Defect and error management InstallationSeagate Technology support services Interface requirements Scope Standards, compliance and reference documents StandardsElectromagnetic compatibility Electromagnetic susceptibility Compliance Reference documents General description Standard features Media descriptionPerformance Reliability Formatted capacities Factory-installed optionsProgrammable drive capacity Performance characteristics Internal drive characteristicsAccess time Seek performance General performance characteristics Format command execution time minutesStart/stop time Cache operation Prefetch/multi-segmented cache controlCaching write data Prefetch operation Reliability specifications Error ratesRecoverable Errors Unrecoverable Errors Reliability and service Interface errorsPreventive maintenance Hot plugging the drive 4 S.M.A.R.T Controlling S.M.A.R.TPerformance impact Reporting control Temperature Log Page 0Dh Parameter Code Description Predictive failuresThermal monitor Drive Self Test DST DST failure definition Implementation Short test Function Code 001b Product warrantyExtended test Function Code 010b Shipping Physical/electrical specifications AC power requirementsDC power requirements ST3600002SS DC power requirements ST3450802SS DC power requirements General DC power requirement notes Conducted noise immunity Power sequencingCurrent profiles Typical ST3600002SS drive +5V and +12V current profiles ST3600002SS Power dissipationST3450802SS Temperature a. Operating Environmental limits Relative humidity Effective altitude sea level a. OperatingShock and vibration Shock Package size Packaged/product weight Drop height Recommended mounting Air cleanliness Vibration a. Operating-normalAcoustics Corrosive environment China Restriction of Hazardous Substances RoHS Directive Mechanical specifications Physical dimensions Drive internal defects/errors Defect and error managementDrive error recovery procedures 77.81 SAS system errors Background Media ScanMedia Pre-Scan Deferred Auto-Reallocation Idle Read After Write Installation Drive orientation Cooling Air flow Drive mounting Grounding SAS features Interface requirements Dual port support Scsi commands supported Commands supported by Cheetah NS 10K.2 SAS family drives Commands supported by Cheetah NS 10K.2 SAS family drives Commands supported by Cheetah NS 10K.2 SAS family drives Commands supported by Cheetah NS 10K.2 SAS family drives 2Mode Sense data Inquiry dataBytes Data hex Page 2.1 ST3600002SS Mode Sense data Mode Pages 2.2 ST3450802SS Mode Sense data Miscellaneous operating features and conditions Miscellaneous featuresSupported Feature or condition Miscellaneous status SAS physical interface Datum B Physical characteristics Connector requirements Pin Signal name Signal type Electrical descriptionPin descriptions SAS pin descriptions Signal characteristics PowerSAS transmitters and receivers Ready LED Out LED drive signal Differential signalsGeneral interface characteristics Eye masks Eye masks overview Receive eye mask X2OP 0, 5xadditional sinusoidal jitter X1OP Transmitter signal characteristics Signal characteristica Units 5Gb/s 0Gb/s Receiver signal characteristics Signal characteristic Units 5Gb/s 0Gb/sMaximum allowable jitter 5Gb/s m, n 0Gb/s m, n Deterministic jitterq Receiver jitter tolerance Impedance requirements Sheet 15Gb/sa 0Gb/sa Sinusoidal Deterministic Total Jitterh Impedance requirements Sheet 2 Electrical TxRx connections = -5, 437dB Shows the zero-length test load Receiver characteristics SAS-2 Specification complianceAdditional information Presales Support Seagate Technology support servicesTechnical Support Data Recovery Services Authorized Service Centers Warranty ServiceData Recovery Services Call Center Toll-free Direct dial Index Page SAS See also cooling Page Seagate Technology LLC