Tandberg Data
Table of Contents
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ii
Tandberg SLR Reference Manual
3.6.11.
Cartridge Manipulation System
15
3.6.12.
Tape Erasure for ALRF-1, ALRF-6, MLR3 (SLR50), QIC-
5010 and SLR6 (SLR24)
16
3.6.12.1. Logical Erase
16
3.6.12.2. Security Erase
16
3.6.13.
Stand-by Mode
16
3.6.14.
Operator Interface
16
3.6.14.1. Eject Button
16
3.6.14.2. LED Indicators
18
3.6.14.3. Cartridge Insertion and Removal
18
4.
Mounting Specifications
1
4.1.
General Mounting Information
1
4.2.
Strap Setting / Selecting Drive Number
3
4.2.1. Selecting Drive Number
4
4.2.2. Enable/Disable Bus Parity Checking
5
4.2.3. Serial In/Out Communication
5
4.2.4. Test Functions
5
4.2.5. Termination Power
5
4.2.6. 8-bit SCSI
5
4.3.
SCSI-Bus Interface Configuration
6
4.4.
Power Dissipation
7
5.
Data Reliability
1
5.1.
Summary
1
5.2.
General Introduction
1
5.2.1. Important SLR7/60/75/100/140 Recommendation
2
5.3.
Write Mode
3
5.4.
Read Mode
3
5.5.
Cartridge Conditioning
3
6.
Track, Tape-format and Encoding Specifications
1
6.1.
Summary
1
6.2.
Tape Formats
2
6.2.1. QIC-5010-DC and SLR6 (SLR24) Formats
2
6.2.2. MLR3 (SLR50) Format
3
6.2.3. ALRF-1 and ALRF-6 Formats
3
6.2.4. ALRF-2 Format
3
6.2.5. Other Formats
3
6.3.
Block Layouts
4
6.3.1. Format-specific Block Layouts
4
6.3.1.1.
Preamble
4
6.3.1.2.
Block Marker
4
6.3.1.3.
Randomizer Seed
4
6.3.1.4.
Control Field
5
6.3.1.5.
Data
5
6.3.1.6.
CRC (Cyclic Redundancy Check)
5
6.3.1.7.
Pad Field
5
6.3.1.8.
Postamble
6
6.3.2. Other Formats
6
6.4.
Recording Methods
7
6.4.1. Data Encoding; RLL 1,7 Rules
7
6.4.2. Data Encoding; VR
2
(Variable Rate and Randomization) RLL
Rules
8
6.4.2.1
Encoding
8
6.4.2.2
VR
2
RLL Constraints
8
6.4.3. Data Encoding; GCR 0,2 Rules
9
6.5.
Rewriting of Blocks
10
6.5.1. Rewrite MLR3 (SLR50 / QIC-5010-DC / SLR6 (SLR24)
Formats
10
6.5.2. Rewrite ALRF-1 and ALRF-6 Formats
10
6.5.3. Rewrite ALRF-2 Format
11
6.6.
Filemark and Setmark Blocks
11
6.7.
Underrun
11