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81-81148-01 March 2004 6-1

CHAPTER 6

SCSI and Controller

Interface Specification

6.1 SCSI Interface Type

The SDLT drive is available in either of two possible SCSI interface versions;

these versions provide three possible SCSI interface types:

• Multimode Single-Ended (MSE) card provides one of two interfaces

 Low Voltage Differential (LVD) running at 80 MB/second, or

 Single Ended (SE) running at 40 MB/second.

• High Voltage Differential (HVD) card running at 40 MB/second.

1 2 ... 62 63 64 65 66 67 68 69 70 71 72 ... 101 102

Copyright 2
Trademarks 2
Legal Disclaimers 2
Contact Information 2
Revision History 3
Table of Contents 5
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List of Tables 9
List of Figures 11
Introduction 13
1.2 Referenced Documents 14
1.3 Related Documents 14
1.4 Structure of this Manual 15
1.5 Conventions 16
1.6 For More Information 17
1.7 Reader Comments 17
1.8 Quantum Diagnostics Tools 18
General Drive 19
Specifications 19
2.2 SDLT Product Features 20
1 Amber LED 21
2 Green LED 21
3 Yellow LED 21
4 Eject Button 21
2.3 Dimensions and Tolerances 22
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2-6 March 2004 81-81148-01 24
2.4 Physical Dimensions 25
Orientation Looks Like This 26
Typical (Top Side Up) 26
Left Side Down 26
Right Side Down 26
2.5 Reliability 27
2.5.4 Data Integrity 28
Mechanism 29
2.6 Functional Specifications 30
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2-14 March 2004 81-81148-01 32
2.6.5 Storage Capacity 33
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2.7.2 Air Flow Requirements 36
2.7.3 Storage and Shipment 37
2.7.4 Altitude 37
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≤ 20 lbs 39
≤ 50 lbs 39
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2-24 March 2004 81-81148-01 42
• Cleaning Requested 43
• Cleaning Required 43
• Cleaning Tape Expired 43
SCSI Cleaning Error Reporting 44
Figure 2-7. Front Panel LEDs 45
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Electrical Specifications 47
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3.2 Power Supply Tolerances 49
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Thermal Specifications 51
4.2 Air Flow Measurements 52
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SDLT 320 58
Embedded Bezel 59
Library Bezel 60
Regulatory Requirements 61
5.1.2 Safety Requirements 62
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5.2.3 Conducted Emissions 64
5.2.4 Radiated Emissions 64
Quantum tape drive products 65
5.3 Acoustic Noise Emissions 66
SCSI and Controller 67
Interface Specification 67
6.2 Setting the SCSI ID 68
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6-4 March 2004 81-81148-01 70
6.3 Hardware (Connectors) 71
6.4 SCSI Stub Lengths 72
6.5 SCSI Cable Length 72
6.6 Power On Self Test 73
6.7 SCSI Command Timeout 73
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6.8 SCSI and Power Connectors 75
• Connector body: 51110-0850 76
Figure 6-4. Loader Connector 76
(Internal Version Shown) 76
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6.10 Configuring the Drive 82
Updating the Firmware 83
7.1.2 Making a FUP/CUP Tape 84
7.1.3 Using a CUP/FUP Tape 84
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Drive Interface 86
• Updating the same revision 87
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Insertion and Extraction 89
Guidelines 89
8.1.1 General Status Packet 90
8.1.2 Loading a Tape 91
8.1.3 Unloading a Tape 92
Configuration) 93
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Insertion Depth 97
Cartridge Insertion Force 97
Insertion Velocity 97
Debounce Time 98
Initialization Time 98
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Eject Distance 100
Cartridge Extraction Force 100
Extraction Velocity 100
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Quantum SDLT 320 Guida Utente Pagina 67

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