Digital Equipment StorageWorks RW555 Manuals

Manuals and User Guides for Digital Equipment StorageWorks RW555. We have 1 Digital Equipment StorageWorks RW555 manual available for free PDF download: Service Manual

Digital Equipment StorageWorks RW555 Service Manual

Digital Equipment StorageWorks RW555 Service Manual (215 pages)

Large Optical Disk Library

Brand: Digital Equipment | Category: Disk array system | Size: 4 MB

Table of Contents

Table of Contents
3
Revision Record

11
About this Guide

13
1 Product Information

15
2 Environmental/Installation/Pm

23
- Environmental Requirements
  23
- Primary Power/External Ground
  23
- Current Requirements
  23
- Clearance Requirements
  24
- Weight-Bearing Requirements
  24
- Location Requirements
  24
- Responsibilities
  25
- Checkout Procedure
  25
- Unpacking and Taking the Jukebox off the Pallet
  25
- Moving the Jukebox a Short Distance
  28
- Shipping the Jukebox
  29
3 Product Configuration and Operation

31
Product Configuration and Operation ( Continued )

39
4 Troubleshooting and Diagnostics

69
5 Removal and Replacement

109
- Field-Replaceable Assemblies
  110
- ESD Precautions
  110
- Tools Required
  111
- Disassembly/Reassembly Procedure
  111
- Access Panels
  112
- Replacing an Optical Drive
  114
- Online Drive Replacement Procedure
  115
- Replacing the Power Supplies
  119
- Replacing the Mailslot Assembly
  121
- Mailslot Connector on Upper Interposer PCA
  122
- Replacing the Control Panel Assembly
  123
- Mailslot Assembly Mounting Screws
  123
- Rear of Control Panel Assembly
  124
- Replacing the Interposer Pcas
  125
- Upper Interposer PCA
  125
- Replacing the Picker
  126
- Lower Interposer PCA
  126
- Picker Umbilical Cable
  127
- Picker Translate Cable
  128
- Picker Translate Cable (Stowed)
  129
- Stopping Vertical Motor Gear Box Motion
  129
- Picker Capture Bracket Mounting
  130
- Picker Capture Bracket
  131
- Rotating the Picker Assembly out of the Translate Frame
  131
- Removing/Replacing the Translate Frame
  132
- Translate Frame Raised for Easier Access
  132
- Stopping Vertical Motor Gear Box Motion
  133
- Vertical Encoder Strip Mounting Peg
  134
- Removing the Visual Locator Bracket
  135
- Picker Translate Frame Tensioners
  135
- Translate Frame Tensioner Released
  136
  - Removing/Replacing the Vertical Encoder Strip
    137
- Retaining Peg on Lower End of the Vertical Encoder Strip
  138
- Upper Encoder Strip Mount
  138
  - Replacing the Vertical Motion Motor
    139
- Vertical Motion Motor
  139
  - Replacing the Vertical Motor Gear Box
    140
- Slave Rope Tensioner Assembly
  140
- Pivoting the Tensioner Lever to Release Tension
  141
- Taking the Drive Rope off the Top
  141
- Disconnecting the Drive Rope from a Tensioner
  142
- Disconnecting the 3-Rope Coupler
  143
- Rear Side of Vertical Motor Gear Box
  144
- The Rope and Pulley System
  144
- Positioning the Tensioner to Mount on Translate Frame
  145
  - Replacing the Controller PCA
    146
- Controller PCA
  146
  - Replacing the Power Distribution PCA
    147
- Power Distribution PCA
  147
  - Replacing the SCSI Interface/Lun Converter PCA
    148
  - Replacing the Vertical-Path-Clear PCA
    150
- Vertical Path Clear
  150
  - Re-Initializing the Jukebox Controller PCA RAM after Service
    151
- Vertical Path Clear PCA Mounting Screws
  151
  - Variables Set by "Set Defaults
    152
  - Variables Set by "Clear Odometers
    152
  - List of Field Replaceable Units
    153
  - Field Replaceable Units (FRU) in the Library
    153
  - Recommended Service Kits
    156
  - Exchange Parts
    156
- Non-Exchange Parts
  157
- Jukebox Exploded View
  159
- Jukebox Pulley and Rope Diagram
  165
  - Miscellaneous
    166
- Common Resource Parts
  166
6 Theory of Operation

167
- Autochanger Robotics
  167
- Movements
  167
- SCSI Command Translation for Autochanger Operation
  167
  - The Autochanger Controller PCA
    169
- Autochanger Controller PCA
  169
  - Interposer Pcas
    171
- Upper Interposer PCA
  171
- Lower Interposer PCA
  172
- Drive Numbering
  174
  - Power Supplies
    176
  - SCSI Repeater/Lun Converter PCA
    176
  - Component Description
    177
  - Logical Unit Number Mapping Capability
    179
- SCSI Repeater/Lun Converter Passthrough Mode (6 Drive)
  180
- LUN Mapping Active - Six Drives
  181
- SCSI Repeater/Lun Converter Mapping Active Mode (6 Drive)
  182
  - Default SCSI and LUN Settings
    183
  - Single-Picker Mode
    184
  - Disk Exchanges in Single-Picker Mode
    184
  - Element Numbering
    185
  - Disk Storage Slot Numbering Sequence
    185
- Element and Slot Numbers
  185
- Element Numbering in the Jukebox
  185
- Slot and Element Numbering Sequence (1 of 3)
  186
- Slot and Element Numbering Sequence (2 of 3)
  187
- Slot and Element Numbering Sequence (3 of 3)
  188
- Slot Numbering Decal
  189
- Limited Access Slots
  190
- Limited Access Slots at the Bottom of the Stacks
  190
- Limited Access Slots at the Top of the Stacks
  191
  - One-Finger Grab Recovery Areas at the Bottom of the Stacks
    192
  - One-Finger Grab Recovery Areas at the Top of the Stacks
    192
- Multifunction Optical Drives
  193
- Controller PCA
  194
- SCSI Controller
  194
- Data Buffer
  194
- Formatter/Sequencer
  194
- Servo PCA
  194
- DSP Microprocessor and Support/Servo Control Loops
  194
- Read and Write Channel Electronics
  195
- Mechanism Assembly
  195
- Loader Mechanism
  195
- Optical Head
  195
- Drive Mechanism
  196
- Controller
  196
- Cpu
  197
- Gate Array
  197
- DSP (Digital Signal Processor)
  197
- Read/Write Channel Electronics
  197
- Loading Motor
  197
- Bias Magnet
  197
- Optical Head
  197
- Optical Disk Layout and Error Correction
  198
- Disk Formats
  198
- Optical Disk Layout
  198
- User Zone Layout
  199
- Values for N and M for 1.3 Gbyte with G=1 6 (1024 Media)
  204
- Physical Revolution to Logical Track Layout
  205
  - User Zone Layout for 2.3-Gbyte Media, 512 Bytes/Sector
    206
- 1024 Bytes/Sector Disk Structure
  207
- Technical Comparison of 1X, 2X, and 4X Optical Drives
  209
- Drive Defect Management
  210
- Slip Sparing Algorithm
  211
- Replacement Sparing Algorithm
  212
- Error Thresholds
  212
- The SCSI Interface
  213
- Single-Ended and Differential SCSI Interface
  214

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