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SDLT 220 and SDLT 320 Design & Integration Guide CHAPTER 2: General Drive Specifications
81-81148-01 March 2004 2-13
2.6.2 SDLT 220/320 Performance Data
Table 2-6 provides performance data for the SDLT tape system. Note: For a
comparison of SDLT 220/320 storage capacities, refer to Section 2.6.1, “Key
Differences Between the SDLT 220 and 320” on page 2-12.
Table 2-6. SDLT 220/320 Performance Data
Feature SDLT 220 SDLT 320
Drive Read / Write
Transfer Rate*
11 MB/second, native 16 MB/second, native
Tracks
56 logical tracks;
448 physical tracks
Same
Track Density 1058 tracks per inch (tpi) Same
Linear Bit Density 133 Kbits per inch (bpi) 193 Kbits per inch (bpi)
Read / Write Tape Speed 116 inches per second (ips) 122 inches per second (ips)
Rewind Tape Speed 160 ips Same
Linear Search Tape Speed 160 ips Same
Average Rewind Time 69 seconds Same
Maximum Rewind Time 140 seconds Same
Average Access Time
(from BOT)
70 seconds Same
Maximum Access Time
(from BOT)
142 seconds Same
Load to BOT
12 seconds (typical)
40 seconds (unformatted tape)
Same
Unload from BOT 12 seconds Same
Nominal Tape Tension
Stationary = 3.0 ± 0.5 oz
Operating Speed = 3.5 ± 0.5 oz
Same
* Depending on data type and SCSI bus limitations/system configuration.
Note: Data is typical; times may be longer if error recovery time is needed.
- Copyright 2
- Trademarks 2
- Legal Disclaimers 2
- Contact Information 2
- Revision History 3
- Table of Contents 5
- 81-81148-01 March 2004 vii 7
- 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
- 81-81148-01 March 2004 2-5 23
- 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
- 81-81148-01 March 2004 2-13 31
- 2-14 March 2004 81-81148-01 32
- 2.6.5 Storage Capacity 33
- 2-16 March 2004 81-81148-01 34
- 81-81148-01 March 2004 2-17 35
- 2.7.2 Air Flow Requirements 36
- 2.7.3 Storage and Shipment 37
- 2.7.4 Altitude 37
- 2-20 March 2004 81-81148-01 38
- ≤ 20 lbs 39
- ≤ 50 lbs 39
- 2-22 March 2004 81-81148-01 40
- 81-81148-01 March 2004 2-23 41
- 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
- 2-28 March 2004 81-81148-01 46
- Electrical Specifications 47
- 3-2 March 2004 81-81148-01 48
- 3.2 Power Supply Tolerances 49
- 3-4 March 2004 81-81148-01 50
- Thermal Specifications 51
- 4.2 Air Flow Measurements 52
- 81-81148-01 March 2004 4-3 53
- 4-4 March 2004 81-81148-01 54
- 81-81148-01 March 2004 4-5 55
- 4-6 March 2004 81-81148-01 56
- 81-81148-01 March 2004 4-7 57
- SDLT 320 58
- Embedded Bezel 59
- Library Bezel 60
- Regulatory Requirements 61
- 5.1.2 Safety Requirements 62
- 81-81148-01 March 2004 5-3 63
- 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
- 81-81148-01 March 2004 6-3 69
- 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
- 6-8 March 2004 81-81148-01 74
- 6.8 SCSI and Power Connectors 75
- • Connector body: 51110-0850 76
- Figure 6-4. Loader Connector 76
- (Internal Version Shown) 76
- 81-81148-01 March 2004 6-11 77
- 6-12 March 2004 81-81148-01 78
- 81-81148-01 March 2004 6-13 79
- 6-14 March 2004 81-81148-01 80
- 81-81148-01 March 2004 6-15 81
- 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
- 81-81148-01 March 2004 7-3 85
- Drive Interface 86
- • Updating the same revision 87
- 7-6 March 2004 81-81148-01 88
- 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
- 81-81148-01 March 2004 8-7 95
- Insertion Depth 97
- Cartridge Insertion Force 97
- Insertion Velocity 97
- Debounce Time 98
- Initialization Time 98
- 81-81148-01 March 2004 8-11 99
- Eject Distance 100
- Cartridge Extraction Force 100
- Extraction Velocity 100
- 81-81148-01 A02 102
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