45xx Modular Disk Subsystem Manual for G-Series Releases

Tandem Computers Incorporated—142466
i
45xx Modular Disk Subsystem
Manual for G-Series Releases
Glossary Index Examples Figures Tables
What’s New in This Manual v
Manual Information
v
New and Changed Information
v
About This Manual
vii
Who Should Use This Manual
vii
What’s in This Manual
vii
Where to Get More Information
viii
Your Comments Invited
viii
Notation Conventions
viii
1. Introduction
What’s in This Section 1-1
Overview of the 45xx Modular Disk Subsystem
1-1
Supported Systems With G-Series Releases
1-1
The Modular Storage System
1-1
Customer-Replaceable Units (CRUs)
1-3
Components of a 45xx Disk Module
1-4
Comparing the 455mod8 and 455DS Disk Modules
1-5
Module Sections
1-6
Module LEDs
1-6
Disk Drives
1-6
Back-End Boards (BEBs)
1-8
Power Supplies
1-9
Fan CRUs
1-11
Interface Components
1-12
6760 ServerNet Device Adapter
1-12
Fiber-Optic Cables
1-13