Seagate ST3450856FC manual Connector requirements, Electrical description, Pin descriptions

Page 75

9.5.2Connector requirements

Table 26: Recommended mating SCA part numbers

Part description

Positions

Part number

Features

 

 

 

 

AMP Vertical (SCA sequence)

40

787317-1

With polarization

 

 

 

 

Berg

40

71781

With polarization

 

 

 

 

Methode

40

512-220-91-101N

With polarization

 

 

 

 

Molex

40

717431040

With polarization

 

 

 

 

The FC-AL SCA device connector is illustrated in Figure 16.

Pin 20

Pin 40

1.618 ± .003 in

(41.1 ± 0.08 mm)

.64 in

(16.24 mm)

1.28in

(32.47 mm)

Pin 1

 

0.197 ± .003 in

 

2 places

 

 

 

 

 

 

 

Pin 21

 

 

(5.00 ± .08 mm)

 

 

1.618 ± .003 in

(41.10 ± 0.08 mm)

1.492 ± .009 in

(37.90 ± 0.24 mm)

Mating end

Housing

0.264+.007 in –.010 in

(6.71+0.18 mm) (–0.25 mm)

0.226 in min.

(6.50 mm)

0.394 ± .004 in

(10.0

± 0.10 mm)

 

0.039 in min.

 

(0.75 mm)

 

0.024 in min.

 

(0.60 mm)

 

0.079 ± .010 in

 

(2.00 ± .25 mm)

 

(initial point

 

of contact)

.05 in typ.

 

 

 

 

 

 

 

 

 

Contact (typ.)

(1.27 mm)

 

 

 

 

 

 

.025 in (0.635 mm)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.106 ± .010 in

0.060 ± .010 in

(2.70 ± 0.25 mm)

(1.52 ± 0.25 mm)

 

0.051 ± .006 in 2 places

 

(1.30 ± 0.16 mm)

Figure 16. FC-AL SCA device connector dimensions

9.5.3Electrical description

Fibre Channel drives use the FC-SCA connector for:

•DC power

•FC-AL interface

•Drive select (device identification)

•Option selection

•Enclosure Services interface

This 40-pin connector is designed to plug directly into a backpanel. External cables are not required.

9.5.4Pin descriptions

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

Cheetah 15K.6 FC Product Manual, Rev. D

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Contents ST3450856FC ST3300656FCST3146356FC Page Contents Interface requirements Physical/electrical specificationsDefect and error management InstallationSeagate Technology support services Cheetah 15K.6 FC Product Manual, Rev. D Model Number Full Disk Encryption FDE ScopeCheetah 15K.6 FC Product Manual, Rev. D Electromagnetic susceptibility Applicable standards and reference documentationStandards Electromagnetic compatibilityEuropean Union Restriction of Hazardous Substances RoHS Ncits TR-20 Reference documentsCheetah 15K.6 FC Product Manual, Rev. D General description Standard features Formatted capacities Media descriptionPerformance ReliabilityUser-installed accessories Factory-installed optionsAccess time Performance characteristicsInternal drive characteristics Seek performance characteristics176 144 100 Format command execution time minutesGeneral performance characteristics Start/stop timePrefetch/multi-segmented cache control Cache operationCaching write data Prefetch operation Unrecoverable Errors Reliability specificationsError rates Recoverable ErrorsPreventive maintenance Reliability and serviceSeek errors Interface errorsMilliseconds 4 S.M.A.R.TControlling S.M.A.R.T Performance impactThermal monitor Temperature Log Page 0DhDetermining rate Predictive failuresImplementation State of the drive prior to testingDrive Self Test DST DST failure definitionLog page entries Short and extended testsShort test Function Code 001b Extended test Function Code 010bProduct warranty ShippingProduct repair and return information Cheetah 15K.6 FC Product Manual, Rev. D Physical/electrical specifications AC power requirementsDC power requirements ST3450056FC DC power requirements Gbit Amps ST3450856FC DC power requirements Gbit AmpsST3300056FC DC power requirements Gbit Amps ST3300656FC DC power requirements Gbit AmpsST3146756FC DC power requirements Gbit Amps ST3146356FC DC power requirements Gbit AmpsCurrent profiles General DC power requirement notesPower sequencing Conducted noise immunityTypical ST3450856FC current profiles Typical ST3450056FC current profiles Typical ST3300656FC current profiles Typical ST3300056FC current profiles Typical ST3146356FC current profiles Typical ST3146756FC current profiles 450GB models Power dissipation300GB models Temperature Environmental limits146GB models Effective altitude sea level Relative humidityPackage size Packaged/product weight Drop height Shock and vibrationShock Recommended mounting Corrosive environment Air cleanlinessVibration AcousticsRoHS compliance statement Mounting configuration dimensions Mechanical specificationsDefect and error management Drive internal defects/errorsDrive error recovery procedures Page Background Media Scan FC-AL system errorsMedia Pre-Scan Deferred Auto-ReallocationIdle Read After Write Cooling InstallationDrive ID/option selection Drive orientationGrounding Drive mountingPage Cheetah 15K.6 FC Product Manual, Rev. D Interface requirements FC-AL featuresFibre Channel link service frames Link services supported Type of frameFibre Channel task management functions Fibre Channel task management responsesFC Scsi FCP response codes Function name Response code NPort login Plogi payload Bytes Fibre Channel port loginProcess Login Plri payload Fibre Channel port login acceptFibre Channel Process Login NPort Login Accept ACC payload BytesFabric Login Flogi payload Bytes Fibre Channel Process Login AcceptFibre Channel fabric login Process Login Accept ACC payload BytesFabric Login Accept ACC payload Bytes Fibre Channel fabric accept loginFC-AL options supported Scsi commands supportedDual port support Fibre Channel Arbitrated Loop optionsSupported commands Cheetah 15K.6 FC Product Manual, Rev. D Cheetah 15K.6 FC Product Manual, Rev. D Supported commands Mode Sense data Inquiry dataCheetah 15K.6 FC inquiry data Bytes Data hex Page Mode Data Header 000000 Cheetah 15K.6 FC Product Manual, Rev. D Miscellaneous status Miscellaneous operating features and conditionsMiscellaneous features Supported Feature or conditionPhysical characteristics FC-AL physical interfacePhysical description Connector requirements Electrical descriptionPin descriptions FC-SCA pin descriptions Pin Signal name Signal type Pin Signal name Signal typeFC-AL transmitters and receivers Fault LED Out PowerEnable port bypass signals Active LED OutMotor start controls 11 SEL6 through SEL0 ID lines Parallel Enclosure Services Interface ESISetting Arbitrated loop physical address Alpa valuesHex Dec Signal characteristics TTL input characteristicsDevice control codes LED driver signals FC Differential outputFC Differential input Receive eye diagram Eye diagram data values Link rate GHz Cheetah 15K.6 FC Product Manual, Rev. D Technical Support Seagate Technology support servicesInternet Presales SupportWarranty Service Data Recovery Services Authorized Service CentersData Recovery Services Call CenterToll-freeDirect dialFAX Numerics IndexFC-AL Flogi Plogi Page See also cooling
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ST3450856FC specifications

The Seagate ST3146356FC, ST3300656FC, and ST3450856FC are hard disk drives designed for enterprise storage solutions, showcasing Seagate’s commitment to performance, reliability, and advanced technology in the data storage sector. These drives cater primarily to the needs of data centers and businesses requiring robust data management capabilities.

The ST3146356FC is notable for its 146GB capacity, 3.5-inch form factor, and 10,000 RPM spindle speed. It employs Serial Attached SCSI (SAS) interface technology, which ensures high data transfer rates and reliable connectivity. This model is designed to handle a multitude of demanding applications, such as online transaction processing and enterprise resource planning, requiring fast access to data and minimized latency.

The ST3300656FC, with a capacity of 300GB, continues the trend of high performance set by its predecessor. This drive also features the 10,000 RPM spindle speed and SAS interface, providing enhanced data throughput and optimized performance for intensive workloads. The drive is built with advanced error recovery features that enhance data integrity and reliability, making it suitable for critical applications where data loss is unacceptable.

The ST3450856FC offers even greater capacity, with a robust 450GB storage option. Like the other models, it operates at 10,000 RPM and utilizes the SAS interface. This drive is designed for scalability, ensuring that it can meet the evolving storage demands of enterprises. It is also equipped with sophisticated technologies such as Seagate's Enhanced S.M.A.R.T. (Self-Monitoring, Analysis, and Reporting Technology), providing continual monitoring of the drive’s health and performance metrics.

All three models share key characteristics, including advanced thermal and power management technologies that help maintain optimal operating temperatures and reduce energy consumption. This is crucial in data center environments where maximizing efficiency is vital for operational cost management. Additionally, Seagate's commitment to low acoustic noise levels ensures quieter operation, which is beneficial in environments where sound levels must be controlled.

In summary, the Seagate ST3146356FC, ST3300656FC, and ST3450856FC drives are engineered for enterprise environments demanding high reliability, speed, and capacity. Their advanced technologies, including SAS interface and enhanced error management systems, make these drives ideal for critical applications in data-intensive sectors. With reinforced durability, effectiveness in managing large volumes of data, and a focus on energy efficiency, these drives symbolize the pinnacle of Seagate's storage innovations for enterprise solutions.
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