Requirements for Use | Exabyte EXB-8505 8mm manual

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Requirements for Use

This chapter specifies the requirements for installing, operating, maintaining, and shipping the EXB-8205, EXB-8205XL, EXB-8505, and EXB-8505XL. This chapter includes the following sections:

Installation requirements

Operation

Preventive maintenance

Loading new microcode

Shipping requirements

May 1994	EXB-8205 and EXB-8505	4-1
	(Standard and XL)

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Exabyte EXB-8505 8mm manual Requirements for Use

Contents

3URGXFW 6SHFLILFDWLRQ Disclaimer CopyrightTrademark Notices Revision History May Changes and Enhancements to This Manual Product Warranty Caution Contents Functional Description Requirements for Use Glossary Index Safety and Regulatory Agency Compliance Functional Description FeaturesRecording Format Functional Specifications Tables Interface Specifications How This Manual is Organized About This ManualIntended Audience Libraries and Enclosures Related PublicationsEXB-8205 and EXB-8505 8mm Cartridge Tape Subsystems Standards Conventions Used in This Specification Xiv Features Features Features 1Comparison of the four tape drives Supported Formats Features 1Comparison of tape drive featuresRead/Write Compatibility with Other Tape Drives Data format features Determining the Tape Format Data Compression Custom 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 Power Connector Scsi ConnectorBack Panel Components Ground Tab and Grounding Hole Monitor Port Resistor Terminators single-ended configuration onlyScsi ID Jumper Block 5Internal components EXB-8505 shown Internal Components of the Tape Drive Tape Transport Mechanism Rotating Drum Assembly Servo Card SSV Lower Digital SLD Card Preamp and Upper Analog Cards 7External dimensions in inches and millimeters Size and Weight EXB-210 8mm Library Related ProductsIntegration with Other Exabyte Products Mini Tabletop Cartridge Tape Subsystem 9Mini Tabletop CTSs with EXB-8505s installed Exatapeô Data Cartridges Features 5EXATAPE media compatibility with 8mm tape drives Exabyte Cleaning Cartridges Recording Format Recording Format Helical-Scan Recording Physical Track Structure Physical Format 510504 3Physical track structure for 8500 and 8500c format 8500/8500c Physical Track Structure 8200c and 8200 Physical Track Structure 5Physical track structure for 8200c track format 510504 Physical Blocks Servo Areas Search Fields 1Recording parameters Recording Parameters Supported Logical Formats Logical Format Logical Block Packing Logical BlocksLogical Block Compression 9Logical block packing one physical block 10Gap bytes one physical block Gap Bytes 11One gap block and one gap track in two physical tracks Gap Blocks and Gap Tracks 2Type 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 Lbot to Leot Leot to Peot 4Track and physical block counts for 8500 and 8500c formatsNumber of tracks Number of blocks Hex Decimal Functional Description Functional Description Write OperationsData Flow and Data Compression Logical Block CRC Data Compression Monitoring Streaming and Start/Stop Modes Reconnect Threshold Thresholds During a Write OperationMotion Threshold Error Correction Code ECC Error Detection, Correction, and Recovery ProceduresCyclic Redundancy Check CRC Read-After-Write Checking 2Data flow during a read operation Read Operations Thresholds 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 Primary Conductor Scsi Cable Connector Requirements Signal Pin Number 1Connector pin assignments for differential tape drives Ground Termpwr Operation Power-On ModeTape Drive Controls Device States 6LEDs on the faceplate of the EXB-8505 and EXB-8505XL LED states during operation LKey for m3 Loading Data Cartridges Load Time Unloading Data Cartridges Error During Unload Procedure Resetting the Tape DriveEffect of PREVENT/ALLOW Medium Removal Command Cleaning the Tape Drive Preventive MaintenanceUsing Scsi Commands Time-to-Clean LED Indication Determining When the Tape Drive Needs CleaningRequest Sense 03h Command Loading New Microcode Size Dimensions Weight 4Single pack and multi-pack shipping dimensions and weightsShipping Requirements Shipping Cartons Unpacking and Packing Instructions Interface Specifications Interface Specifications Scsi FeaturesPhysical Path Data Transfer Rate 1SCSI messages Scsi MessagesHex Value Description Out Initiator to Command OP Code Description Scsi Commands2SCSI-2 command set Receive Diagnostic Writing Data Using Scsi CommandsReading Data Erasing Data Inquiring About Tape Drive Status Searching for DataCopying Microcode Setting Operating Parameters Performing Diagnostic TestsInquiry 12h Command LOG Sense 4Dh and LOG Select 4Ch Commands Functional Specifications Write and Read Access Times Performance SpecificationsFunctional Specifications 1Typical write and read access times File-Search Tape Speed Tape Speed3File-search tape speeds EXB-8205 and EXB-8205XL EXB-8505 and EXB-8505XL Rewind Tape Speed Reposition Time4Typical rewind times Size Length Typical rewind time Exatape a Seconds 5Drum rotation periods Drum Rotation PeriodTape Tension Release and Drum Motion Suspension Data transfer rates Reselection Phase TimeoutType Transfer 8500c a 8500 a 8200c Machine Reliability Mean Time Between Failures Mtbf Reliability SpecificationsService Life Conditions for the Mtbf Value Test Conditions Restrictions for the Mtbf Value Data Integrity Restrictions for Data Reliability Data ReliabilityConditions for Data Reliability Read Reliability Write Reliability Voltages Power Specifications7Power specifications for standard voltages Pin Number Assignment Power Connector8Power connector pin assignments 2Chassis ground location on back panel Grounding Hole and Ground Tab 9Environmental specifications Environmental Specifications Operating Environment 10Temperature and humidity specificationsPoint Temperature Humidity 11Particle contamination limits Air Flow RequirementsParticulate Contamination Limits 12Shock specifications Shock Specifications 13Vibration specifications Vibration SpecificationsRandom vibrationa applied during operation Random vibrationb applied during non-operationcand storaged 14Acoustic noise limits Operating modeAcoustic Noise Safety and Regulatory Agency Compliance Electrostatic Discharge ESD Safety Agency StandardsSafety and Regulatory Agency Compliance Radiated Susceptibility Electromagnetic Compatibility EMC 510504 Glossary Glossary May Signal Driving a signal to the true state. assertion Index Mtbf Index Scsi 510504