Digital Equipment StorageWorks RW546 Manuals

Manuals and User Guides for Digital Equipment StorageWorks RW546. We have 1 Digital Equipment StorageWorks RW546 manual available for free PDF download: Service Manual

Digital Equipment StorageWorks RW546 Service Manual

Digital Equipment StorageWorks RW546 Service Manual (174 pages)

Small Optical Disk Library

Brand: Digital Equipment | Category: Disk array system | Size: 19 MB

Table of Contents

Table of Contents
3
Common Resource Parts
10
1 Product Information

14
- The 16-Slot Optical Disk Jukebox - RW546
  14
- Product Features
  15
- Interface Configurations (RW545/RW546)
  15
- The Optical Drive Mechanism
  16
- Magneto-Optical Disks
  17
- Jukebox Capacities
  17
  - Product Support
    18
  - Product Matrix
    18
  - Characteristics
    18
- RW546 Jukebox Product Matrix
  18
- Optical Disk Standards Met by Digital Optical Disks
  22
2 Environmental/Installation/Pm

23
- Environmental Requirements
  23
- Primary Power/External Ground
  23
- Clearance Requirements
  23
- Location Requirements
  23
- Responsibilities
  24
- Checkout Procedure
  24
- Preventive Maintenance
  25
  - Cleaning Optical Disks
    25
  - Cleaning Tools Available
    26
- Configuring and Operating the RW546 Jukebox
  27
  - Assembly and Configuration
    27
3 Product Configuration and Operation

27
- Jukebox Major Components
  28
- Shipping Screw Location
  30
- Removing the Shipping Screw
  30
- Rear Panel - RW546
  31
- Rear Panel Features and Controls
  31
- UPS Power Requirements
  32
  - Connecting an Uninterruptable Power Supply
    32
- SCSI Cable Lengths
  33
  - Connecting the SCSI Cables
    33
  - Connecting Power
    34
  - Front Panel
    35
- Autochanger Configuration Choices
  36
- Information Logs
  40
4 Troubleshooting and Diagnostics

49
5 Removal and Replacement

95
- Field-Replaceable Assemblies
  96
  - ESD Precautions
    97
  - Tools Required
    97
- Assembly/Disassembly Procedures
  97
- Service Access
  98
- Removing the Outside Cover
  98
- Removing the Access Panel
  99
- Removing the Picker Umbilical Cable Shield Rod
  99
  - Replacing the Autochanger Controller PCA
    100
- Fastening Picker to the Service Position
  100
  - Controller PCA Cables
    101
  - Controller PCA Mounting Screws and Tab Holes
    101
    
    Replacing Assemblies in the Front Bezel
    102
  - Front Bezel Mounting Screws
    103
    
    Replacing the Fan
    104
  - Front Panel Tilted out
    104
    
    Replacing the Display
    105
    
    Replacing the Mailslot Assembly
    106
  - Replacing the Display
    106
  - Mailslot Mounting Screws
    107
  - Mailslot Mounting Thumbscrew
    107
    
    Replacing the Optical Drive Mechanism
    108
  - Fastening Picker to the Service Position
    109
  - Removing the RFI Shield
    109
- Right-Side Drive Mounting Screws
  111
- Drive Cable Connections 2-Drive (4X)Version
  111
  - Manually Removing Disks from Drives
    112
- Left-Side Drive Mounting Screws
  112
- Inserting the C1113 Disk Eject Tool
  113
  - Replacing the Picker/Carriage Assembly
    114
- Dismounting the Carriage/Picker Assembly
  114
- Removing the Carriage Shaft
  115
  - Replacing the Leadscrew Assembly
    116
- Removing the Leadscrew Mounting Screw
  116
  - Fastening Picker to the Service Position
    117
- Loosening the Power Cable Clamps
  118
- Removing the Leadscrew Assembly
  119
- Preparing the Leadscrew Assembly for Replacement
  120
  - Replacing the Power Supply
    121
- Power Supply Removal (Single-Ended Module Shown)
  121
  - Replacing the Magazine Guides
    122
- Removing the Magazine Guides
  122
- Non-Exchange Assemblies
  126
- RW546 Exploded View
  127
  - Field Replaceable Units
    130
- List of Field Replaceable Units
  130
  - Field Replaceable Units (FRU) in the (Small) Library
    130
  - Recommended Service Kits
    131
- Exchange Parts
  131
  - Miscellaneous
    132
6 Theory of Operation

133
- The Autochanger
  133
  - Movements
    133
- SCSI Command Translation for Autochanger Operation
  134
  - Mechanics
    135
  - The Autochanger Controller PCA
    136
- Autochanger Controller PCA Block Diagram
  137
  - The Power Supply
    138
  - The Multifunction Optical Drive and Drive Controller
    139
- Functional Diagram
  139
  - Controller PCA
    140
  - Servo PCA
    140
  - Mechanism Assembly
    141
  - 4X Drive Mechanism
    142
  - Optical Disk Layout and Error Correction
    145
    
    Disk Formats
    145
    
    Optical Disk Layout
    145
    
    User Zone Layout
    146
- Optical Disk Layout
  146
  - Optical Disk Layout - 1.3 Gbyte Capacity
    148
- User Zone Layout for 650-Mbyte Media
  148
  - User Zone Layout - 1.3 Gbyte Capacity
    149
Theory of Operation ( Continued )

149
- Values for N and M for 1.3-Gbyte with G=16 (1024 Media)
  152
  - Technical Comparisons of 1X, 2X, and 4X Optical Drives
    159
  - Drive Defect Management
    160
    
    Slip Sparing Algorithm
    161
    
    Replacement Sparing Algorithm
    162
    
    Error Thresholds
    162
  - Error Detection and Recovery
    163
    
    Error Detection
    164
    
    SCSI Detected Errors
    165
    
    Move Errors
    166
  - Hardware Error Codes
    167
    
    Real Time Event Logging
    167
    
    Diagnostic Stragety
    168
  - The SCSI Interface
    168
    
    Single-Ended Versus Differential SCSI Interfaces
    169
    
    SCSI Command Set
    169
    
    Group 0 Commands (6-Byte Command)
    170
Reader Comments

173

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