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Exabyte EXB-8505 8mm manual Xiv

Models: EXB-8505 8mm

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xiv	EXB-8205 and EXB-8505	510504
	(Standard and XL)

Image 14

Exabyte EXB-8505 8mm manual Xiv

Contents

3URGXFW 6SHFLILFDWLRQ Trademark Notices CopyrightDisclaimer Revision HistoryChanges and Enhancements to This Manual MayProduct Warranty Caution Contents Requirements for Use Functional DescriptionSafety and Regulatory Agency Compliance Glossary IndexFunctional Description FeaturesRecording Format Functional Specifications Interface Specifications TablesHow This Manual is Organized About This ManualIntended Audience Libraries and Enclosures Related PublicationsEXB-8205 and EXB-8505 8mm Cartridge Tape Subsystems Conventions Used in This Specification StandardsXiv Features Features Features1Comparison of the four tape drives Supported Formats Features 1Comparison of tape drive featuresRead/Write Compatibility with Other Tape Drives Data format features Data Compression Determining the Tape FormatCustom Eeprom Options 8500c Format 8200c Compressed Format b EXB-8505 EXB-8505XL Storage CapacityLength Approximate Capacity to Leot a in MBytes Door and Bezel Front Panel Controls and IndicatorsPhysical Description Labels Unload ButtonLEDs Back Panel Components Scsi ConnectorPower Connector Ground Tab and Grounding HoleMonitor Port Resistor Terminators single-ended configuration onlyScsi ID Jumper Block Internal Components of the Tape Drive 5Internal components EXB-8505 shownRotating Drum Assembly Tape Transport MechanismServo Card SSV Preamp and Upper Analog Cards Lower Digital SLD CardSize and Weight 7External dimensions in inches and millimetersEXB-210 8mm Library Related ProductsIntegration with Other Exabyte Products 9Mini Tabletop CTSs with EXB-8505s installed Mini Tabletop Cartridge Tape SubsystemExatapeô Data Cartridges Features 5EXATAPE media compatibility with 8mm tape drives Exabyte Cleaning Cartridges Recording Format Helical-Scan Recording Recording FormatPhysical Format Physical Track Structure510504 8500/8500c Physical Track Structure 3Physical track structure for 8500 and 8500c format8200c and 8200 Physical Track Structure 5Physical track structure for 8200c track format 510504 Physical Blocks Search Fields Servo AreasRecording Parameters 1Recording parametersLogical Format Supported Logical FormatsLogical Block Packing Logical BlocksLogical Block Compression 9Logical block packing one physical block Gap Bytes 10Gap bytes one physical blockGap Blocks and Gap Tracks 11One gap block and one gap track in two physical tracks2Type and size of filemarks for each format FilemarksLong Filemarks Short Filemarks Setmarks EXB-8505 and EXB-8505XL onlyEnd of Data EOD Track and Block Counts Number of tracks Number of blocks 4Track and physical block counts for 8500 and 8500c formatsLbot to Leot Leot to Peot Hex DecimalFunctional Description Functional Description Write OperationsData Flow and Data Compression Logical Block CRC Streaming and Start/Stop Modes Data Compression MonitoringReconnect Threshold Thresholds During a Write OperationMotion Threshold Cyclic Redundancy Check CRC Error Detection, Correction, and Recovery ProceduresError Correction Code ECC Read-After-Write CheckingRead Operations 2Data flow during a read operationThresholds During a Read Operation Requirements for Use Requirements for Use Installation RequirementsRequirements for Setting the Scsi ID Requirements for Mounting the Tape Drive 2Mounting holes on the sides 4Mounting hole dimensions in inches and millimeters Requirements for Scsi Bus Termination Terminators for Single-Ended ConfigurationTerminators for Differential Configuration Cable Length Requirements for Connecting a Scsi CableImpedance Scsi Cable Connector Requirements Primary Conductor1Connector pin assignments for differential tape drives Signal Pin NumberGround Termpwr Tape Drive Controls Power-On ModeOperation Device States6LEDs on the faceplate of the EXB-8505 and EXB-8505XL LKey for m3 LED states during operationLoading Data Cartridges Unloading Data Cartridges Load TimeError During Unload Procedure Resetting the Tape DriveEffect of PREVENT/ALLOW Medium Removal Command Cleaning the Tape Drive Preventive MaintenanceUsing Scsi Commands Request Sense 03h Command Determining When the Tape Drive Needs CleaningTime-to-Clean LED Indication Loading New MicrocodeShipping Requirements 4Single pack and multi-pack shipping dimensions and weightsSize Dimensions Weight Shipping CartonsUnpacking and Packing Instructions Interface Specifications Physical Path Scsi FeaturesInterface Specifications Data Transfer RateHex Value Description Out Scsi Messages1SCSI messages Initiator toCommand OP Code Description Scsi Commands2SCSI-2 command set Receive Diagnostic Reading Data Using Scsi CommandsWriting Data Erasing DataInquiring About Tape Drive Status Searching for DataCopying Microcode Inquiry 12h Command Performing Diagnostic TestsSetting Operating Parameters LOG Sense 4Dh and LOG Select 4Ch CommandsFunctional Specifications Functional Specifications Performance SpecificationsWrite and Read Access Times 1Typical write and read access times3File-search tape speeds Tape SpeedFile-Search Tape Speed EXB-8205 and EXB-8205XL EXB-8505 and EXB-8505XL4Typical rewind times Reposition TimeRewind Tape Speed Size Length Typical rewind time Exatape a Seconds5Drum rotation periods Drum Rotation PeriodTape Tension Release and Drum Motion Suspension Type Reselection Phase TimeoutData transfer rates Transfer 8500c a 8500 a 8200cMachine Reliability Mean Time Between Failures Mtbf Reliability SpecificationsService Life Test Conditions Conditions for the Mtbf ValueData Integrity Restrictions for the Mtbf ValueRestrictions for Data Reliability Data ReliabilityConditions for Data Reliability Write Reliability Read ReliabilityVoltages Power Specifications7Power specifications for standard voltages Pin Number Assignment Power Connector8Power connector pin assignments Grounding Hole and Ground Tab 2Chassis ground location on back panelEnvironmental Specifications 9Environmental specificationsOperating Environment 10Temperature and humidity specificationsPoint Temperature Humidity 11Particle contamination limits Air Flow RequirementsParticulate Contamination Limits Shock Specifications 12Shock specificationsRandom vibrationa applied during operation Vibration Specifications13Vibration specifications Random vibrationb applied during non-operationcand storaged14Acoustic noise limits Operating modeAcoustic Noise Safety and Regulatory Agency Compliance Electrostatic Discharge ESD Safety Agency StandardsSafety and Regulatory Agency Compliance Electromagnetic Compatibility EMC Radiated Susceptibility510504 Glossary Glossary May Signal Driving a signal to the true state. assertion Index Index MtbfScsi 510504