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Exabyte
EXB-8505 8mm
manual
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Models:
EXB-8505 8mm
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124 pages
49.85 Kb
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Specs
Install
Signal Pin Number
Error Correction Code ECC
Warranty
Dimension
Maintenance
Resetting the Tape Drive
Receive Diagnostic
Write and Read Access Times
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510504-002
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Contents
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Disclaimer
Copyright
Trademark 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
Recording Format
Features
Functional Description
Functional Specifications
Tables
Interface Specifications
Intended Audience
About This Manual
How This Manual is Organized
EXB-8205 and EXB-8505 8mm Cartridge Tape Subsystems
Related Publications
Libraries and Enclosures
Standards
Conventions Used in This Specification
Xiv
Features
Features
Features
1Comparison of the four tape drives
Read/Write Compatibility with Other Tape Drives
Features 1Comparison of tape drive features
Supported Formats
Data format features
Determining the Tape Format
Data Compression
Custom Eeprom Options
Length Approximate Capacity to Leot a in MBytes
Storage Capacity
8500c Format 8200c Compressed Format b EXB-8505 EXB-8505XL
Physical Description
Front Panel Controls and Indicators
Door and Bezel
LEDs
Unload Button
Labels
Power Connector
Scsi Connector
Back Panel Components
Ground Tab and Grounding Hole
Scsi ID Jumper Block
Resistor Terminators single-ended configuration only
Monitor Port
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
Integration with Other Exabyte Products
Related Products
EXB-210 8mm Library
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
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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
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Physical Blocks
Servo Areas
Search Fields
1Recording parameters
Recording Parameters
Supported Logical Formats
Logical Format
Logical Block Compression
Logical Blocks
Logical Block Packing
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
Long Filemarks
Filemarks
2Type and size of filemarks for each format
End of Data EOD
Setmarks EXB-8505 and EXB-8505XL only
Short Filemarks
Track and Block Counts
Lbot to Leot Leot to Peot
4Track and physical block counts for 8500 and 8500c formats
Number of tracks Number of blocks
Hex Decimal
Functional Description
Data Flow and Data Compression
Write Operations
Functional Description
Logical Block CRC
Data Compression Monitoring
Streaming and Start/Stop Modes
Motion Threshold
Thresholds During a Write Operation
Reconnect Threshold
Error Correction Code ECC
Error Detection, Correction, and Recovery Procedures
Cyclic 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 Setting the Scsi ID
Installation Requirements
Requirements for Use
Requirements for Mounting the Tape Drive
2Mounting holes on the sides
4Mounting hole dimensions in inches and millimeters
Terminators for Differential Configuration
Terminators for Single-Ended Configuration
Requirements for Scsi Bus Termination
Impedance
Requirements for Connecting a Scsi Cable
Cable Length
Primary Conductor
Scsi Cable Connector Requirements
Signal Pin Number
1Connector pin assignments for differential tape drives
Ground Termpwr
Operation
Power-On Mode
Tape 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
Effect of PREVENT/ALLOW Medium Removal Command
Resetting the Tape Drive
Error During Unload Procedure
Using Scsi Commands
Preventive Maintenance
Cleaning the Tape Drive
Time-to-Clean LED Indication
Determining When the Tape Drive Needs Cleaning
Request Sense 03h Command
Loading New Microcode
Size Dimensions Weight
4Single pack and multi-pack shipping dimensions and weights
Shipping Requirements
Shipping Cartons
Unpacking and Packing Instructions
Interface Specifications
Interface Specifications
Scsi Features
Physical Path
Data Transfer Rate
1SCSI messages
Scsi Messages
Hex Value Description Out
Initiator to
2SCSI-2 command set
Scsi Commands
Command OP Code Description
Receive Diagnostic
Writing Data
Using Scsi Commands
Reading Data
Erasing Data
Copying Microcode
Searching for Data
Inquiring About Tape Drive Status
Setting Operating Parameters
Performing Diagnostic Tests
Inquiry 12h Command
LOG Sense 4Dh and LOG Select 4Ch Commands
Functional Specifications
Write and Read Access Times
Performance Specifications
Functional Specifications
1Typical write and read access times
File-Search Tape Speed
Tape Speed
3File-search tape speeds
EXB-8205 and EXB-8205XL EXB-8505 and EXB-8505XL
Rewind Tape Speed
Reposition Time
4Typical rewind times
Size Length Typical rewind time Exatape a Seconds
Tape Tension Release and Drum Motion Suspension
Drum Rotation Period
5Drum rotation periods
Data transfer rates
Reselection Phase Timeout
Type
Transfer 8500c a 8500 a 8200c
Service Life
Reliability Specifications
Machine Reliability Mean Time Between Failures Mtbf
Conditions for the Mtbf Value
Test Conditions
Restrictions for the Mtbf Value
Data Integrity
Conditions for Data Reliability
Data Reliability
Restrictions for Data Reliability
Read Reliability
Write Reliability
7Power specifications for standard voltages
Power Specifications
Voltages
8Power connector pin assignments
Power Connector
Pin Number Assignment
2Chassis ground location on back panel
Grounding Hole and Ground Tab
9Environmental specifications
Environmental Specifications
Point Temperature Humidity
10Temperature and humidity specifications
Operating Environment
Particulate Contamination Limits
Air Flow Requirements
11Particle contamination limits
12Shock specifications
Shock Specifications
13Vibration specifications
Vibration Specifications
Random vibrationa applied during operation
Random vibrationb applied during non-operationcand storaged
Acoustic Noise
Operating mode
14Acoustic noise limits
Safety and Regulatory Agency Compliance
Safety and Regulatory Agency Compliance
Safety Agency Standards
Electrostatic Discharge ESD
Radiated Susceptibility
Electromagnetic Compatibility EMC
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Glossary
Glossary
May
Signal Driving a signal to the true state. assertion
Index
Mtbf
Index
Scsi
510504
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