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RA81
User manual
Digital Equipment RA81 User Manual
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User manual
(80 pages)
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Contents
Table of Contents
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Table of Contents
Table of Contents
Chapter 1 Introduction
Purpose and Scope
General Information
Drive Description
Head Disk Assembly
Internal Drive Diagnostics
The RA81 Disk Drive
Basic RA81 Disk-Subsystem Block Diagram
Ra81 Specifications
Ra81 Options
RA81 Options
Chapter 2 Installation
Site Preparation and Planning
Environmental Considerations
Cleanliness
Floor Loading
Heat Dissipation
Power and Safety Precautions
AC Power Wiring
Equipment Unpacking and External Inspection
Unpacking the System on a Shipping Pallet
RA81 Electrical Plugs and Receptacles
Installing the Cabinet Levelers
Building the Ramp
Shipping Bracket Removal
Removing Internal Shipping Brackets and Packing Material
Leveler Adjustment
Raising the Drive Logic Chassis Assembly
Foam Pad Removal
HDA Details
Belt Tension Lever
Ra81 Installation
Connecting Cabinets
Belt Tension Lever and Interlock Switch
End Panels and Joiner Panels
Opening the Back Door
Back Door and End-Panel Lock Removal
Connecting the Cabinets
Removing the Trim Panel Brackets
Installing the Front Locking Bracket
External SDI Cabling Procedure
Installing the Back Locking Brackets
Programming the Drive Unit Address Plug
Drive Unit Address Plug
Ra81 Add-On Installation
Remove the Front Trim Panel
Install the Slide Assembly
Chassis Slide Bracket Installation
Mounting Chassis Slide to Front Upright
Mounting Chassis Slide to Back Upright
Mounting the Electrostatic Discharge Bracket
Installation of Cable Retainer Springs
Installation of Drive Detent Latch
Remove the Internal Shipping Brackets and Packing Material
Mount the RA81 on the Slides
Installation of Drive Mounting Rails
Removal of HDA Cable Connections
HDA Positioner Lock
Extending Cabinet Stabilizer
Extending the Chassis Slides
Wing Pivot Assembly
Program the Drive Unit Address Plug
Connect the Electrostatic Discharge Bracket
Electrostatic Discharge Bracket Details
Install the Internal SDI Cables
Cabling for a Two-Drive System
Cabling for a Three- and Four-Drive System
Mount the I/O Bulkhead
Install the Drive Sequence Cables
Mounting the I/O Bulkhead Assembly
Drive Sequence Cable Installation
Connect AC Power
Route and Clamp the Cables
Power Controller AC Receptacles
Connecting Cable Clamps to Uprights
Ra81 Drive Diagnostic Checkout
The Diagnostic Terminal
Cable Routing and Clamping
Applying Power to the Drive
Checkout
Diagnostic Terminal Connections
Chapter 3 Opera Ting Instructions
Unit/Ready
Write Prot
A and B Port Select Switches
Circuit Breakers
Drive Operation
Spin-Up
Spin-Down
Removing RA81 Power
Customer Care
Air Filter Removal
Air-Filter
Cleaning
Replacement
Appendix A Diagnostic Terminal Instructions
Introduction
Aa Continue (Cont) and Clear (Clr) Keys
Control Characters
DELETE Key
Display Scroll Switch
X-On, X-Off Keys
A.I0 ESCAPE Key
BREAK Key
Cr Key (Carriage Return
Unpacking a System on a Shipping Pallet
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EK-ORAS1-UG- 001
RA81 . Disk Drive
User Guide
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