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EXB-8505 8mm manual
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124 pages, 1.43 Mb
510504-002
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Contents
Main
Copyright
Disclaimer
Trademark Notices
Revision History
ii EXB-8205 and EXB-8505
Changes and Enhancements to This Manual
Product Warranty Caution
iv EXB-8205 and EXB-8505
Contents
About This Manual xii
1
2
3
4
5
6
7
Glossary G-1 Index I-1
Figures
Features
Recording Format
Functional Description
Requirements for Use
Page
Tables
Features
Recording Format
Requirements for Use
Interface Specifications
About This Manual
Intended Audience
How This Manual is Organized
Related Publications
EXB-8205 and EXB-8505 8mm Cartridge Tape Subsystems
Libraries and Enclosures
Standards
#
Conventions Used in This Specification
Note:
Page
Page
Features
Note:
#
Page
Read/Write Compatibility with Other Tape Drives
Supported Formats
Table1-2 Read/write compatibility of Exabyte 8mm tape drives
1Features
Table1-3 Data format features
May 1994 EXB-8205 and EXB-8505 1-5
Determining the Tape Format
Data Compression
Custom EEPROM Options
Note:
Storage Capacity
Physical Description
Front Panel Controls and Indicators
Door and Bezel
Unload Button
LEDs
Labels
Back Panel Components
Ground Tab and Grounding Hole
SCSI Connector
Power Connector
SCSI ID Jumper Block
Monitor Port
Resistor Terminators (single-ended configuration only)
Note:
Internal Components of the Tape Drive
Tape Transport Mechanism
Rotating Drum Assembly
Note:
Servo Card (SSV)
Preamp and Upper Analog Cards
Lower Digital (SLD) Card
Size and Weight
Related Products
Integration with Other Exabyte Products
EXB-210 8mm Library
Mini Tabletop Cartridge Tape Subsystem
EXATAPEData Cartridges
#
Exabyte Cleaning Cartridges
Note:
Recording Format
Helical-Scan Recording
Physical Format
Physical Track Structure
Note:
Page
8500/8500c Physical Track Structure
8200c and 8200 Physical Track Structure
Page
Page
Physical Blocks
Note:
Search Fields
Note:
Servo Areas
Note:
Recording Parameters
2Recording Format
Table2-1 Recording parameters
May 1994 EXB-8205 and EXB-8505 2-11
Logical Format
Supported Logical Formats
Logical Blocks
Logical Block Compression
Note:
Logical Block Packing
Note:
Page
Gap Bytes
Gap Blocks and Gap Tracks
Filemarks
Long Filemarks
Short Filemarks
Setmarks (EXB-8505 and EXB-8505XL only)
EndofData(EOD)
Track and Block Counts
Page
Page
Write Operations
Data Flow and Data Compression
Note:
Logical Block CRC
Note:
Streaming and Start/Stop Modes
Note:
Thresholds During a Write Operation
Motion Threshold
Reconnect Threshold
Error Detection, Correction, and Recovery Procedures
Error Correction Code (ECC)
Cyclic Redundancy Check (CRC)
Read-After-Write Checking
Read Operations
Thresholds During a Read Operation
Motion Threshold
Reconnect Threshold
Requirements for Use
Installation Requirements
Requirements for Setting the SCSI ID
Requirements for Mounting the Tape Drive
Page
Page
Requirements for SCSI Bus Termination
Terminators for Single-Ended Configuration
Terminators for Differential Configuration
Requirements for Connecting a SCSI Cable
Impedance
#
Cable Length
Primary Conductor
SCSI Cable Connector Requirements
Table4-1 Connector pin assignments for differential tape drives
4Requirements for Use
May 1994 EXB-8205 and EXB-8505 4-9
Table4-2 Connector pin assignments for single-ended tape drives
4Requirements for Use
4-10 EXB-8205 and EXB-8505 510504
Operation
Power-On Mode
Tape Drive Controls
Device States
Page
Page
Note:
Loading Data Cartridges
#
Notes:
Load Time
Unloading Data Cartridges
Effect of PREVENT/ALLOW MEDIUM REMOVAL Command
Error During Unload Procedure
Resetting the Tape Drive
Note:
Using SCSI Commands
Preventive Maintenance
Cleaning the Tape Drive
Determining When the Tape Drive Needs Cleaning
Time-to-Clean LED Indication
REQUEST SENSE (03h) Command
Loading New Microcode
Shipping Requirements
Shipping Cartons
Note:
Unpacking and Packing Instructions
Interface Specifications
SCSI Features
Data Transfer Rate
Physical Path
SCSI Messages
SCSI Commands
Note:
May 1994 EXB-8205 and EXB-8505 5-5
5Interface Specifications
Using SCSI Commands
Writing Data
Reading Data
Erasing Data
Searching for Data
Copying Microcode
Inquiring About Tape Drive Status
REQUEST SENSE (03h) Command
INQUIRY (12h) Command
Performing Diagnostic Tests
Setting Operating Parameters
Page
Performance Specifications
Write and Read Access Times
Note:
Tape Speed
File-Search Tape Speed
8500, 8500c, and 8200c Formats
8200 Format
Rewind Tape Speed
Reposition Time
Drum Rotation Period
Tape Tension Release and Drum Motion Suspension
Data Transfer Rate
Notes:
Reselection Phase Timeout
Reliability Specifications
Service Life
Machine Reliability: Mean Time Between Failures (MTBF)
Test Conditions
Conditions for the MTBF Value
Restrictions for the MTBF Value
Data Integrity
Data Reliability
Conditions for Data Reliability
Restrictions for Data Reliability
Write Reliability
Bit error rate:
Read Reliability
Bit error rate:
Power Specifications
Voltages
Power Connector
Grounding Hole and Ground Tab
Note:
Environmental Specifications
Operating Environment
Air Flow Requirements
Particulate Contamination Limits
Shock Specifications
Vibration Specifications
6Functional Specifications
Table 6-13 Vibration specifications
May 1994 EXB-8205 and EXB-8505 6-19
Acoustic Noise
Page
Safety Agency Standards
Electrostatic Discharge (ESD)
Note:
Electromagnetic Compatibility (EMC)
Radiated Susceptibility
Page
Glossary
Page
Page
Page
Index
A
B
C
D
F
Index
G
H
I
R
Index
S
T
U