Certance DAT 72 Manual Pagina 5
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- Tabla de contenidos
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Valorado. / 5. Basado en revisión del cliente
iii
Contents
Contents
Introduction 1
Overview......................................................................................................................1
DDS Format Standard Compatibility.....................................................................1
DAT 72 and DDS-4 Capacity and Transfer Rates ................................................2
Features ......................................................................................................................3
DAT 72 and DDS-4 Drive Models................................................................................4
Specifications 7
Overview......................................................................................................................7
Physical Specifications................................................................................................7
Power Specifications ...................................................................................................9
Drive Performance Specifications .............................................................................10
Environmental Requirements ....................................................................................12
Reliability ...................................................................................................................12
Mean Time Between Failures .............................................................................13
Mean Time to Repair...........................................................................................13
DDS Cartridge Specifications ....................................................................................13
Regulatory Compliance .............................................................................................14
Installation 15
Introduction................................................................................................................15
Unpacking and Inspection .........................................................................................15
Installing an Internal Drive .........................................................................................15
Guidelines and Cautions.....................................................................................16
Configuring an Internal Drive ..............................................................................16
DIP Switch Settings.............................................................................................18
Mounting an Internal Drive..................................................................................20
Installing an External Drive........................................................................................24
Configuring the External Drive ............................................................................24
Connecting the SCSI Interface Cable .................................................................25
Connecting the Power Cord................................................................................25
Drive Operation and Maintenance 27
Loading a Cartridge ...................................................................................................27
- FCC Notice 3
- About This Manual 4
- Contents 5
- Theory of Operations 35 6
- Data Compression 43 6
- Contents 7
- Figures 8
- Introduction 9
- Features 11
- Figure 3. External Drive 13
- DAT 72/DDS-4 Product Manual 14
- Specifications 15
- Power Specifications 17
- Environmental Requirements 20
- Reliability 20
- DDS Cartridge Specifications 21
- Regulatory Compliance 22
- Installation 23
- Guidelines and Cautions 24
- Default jumper settings shown 25
- DIP Switch Settings 26
- Mounting an Internal Drive 28
- Side View 29
- Bottom View 29
- Ultra2 SCSI 68-pin 30
- Power connector 31
- Installing an External Drive 32
- Connecting the Power Cord 33
- Loading a Cartridge 35
- Unloading a Cartridge 35
- DDS Cartridge Compatibility 36
- Write-Protecting a Cartridge 36
- Write protected 37
- Write enabled 37
- Clean LED 38
- Media LED 38
- Drive LED 38
- Cleaning the Tape Heads 39
- How to Clean the Tape Heads 40
- Data Compression 41
- Theory of Operations 43
- Write head B 45
- Write head A 45
- 20˚ head azimuth 45
- 3 tape tracks 45
- Motors and Control Circuits 46
- Flash Memory 46
- Sensors 47
- Read-After-Write 47
- About the Data Cartridge 48
- DDS Cartridge 49
- Hardware Compression 53
- Data Integrity 53
- DCLZ Algorithm 54
- Dictionary 55
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