Introduction; General Description; Modular Chassis - Motorola XR900 Series User Manual

Mass storage subsystem
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Introduction

This manual provides general information, hardware preparation
and installation instructions, removal/replacement procedures,
operating instructions, and support information for the XR900
series SCSI standalone peripheral expansion enclosure.
Throughout the rest of this manual, this enclosure may be referred
to as the XR900, or simply as the enclosure.

General Description

The XR900 is a member of the Modular VME System, a family of
standard chassis building blocks that can readily be adapted and
recombined to meet the needs of standard system customers,
component-level chassis customers, and buyers of special system
configurations for technical, industrial, and telecommunications
applications. Although the XR900 can be operated with any SCSI-
compatible host, it is used most effectively with other Modular
VME System units.

Modular Chassis

The Modular Chassis ''building block'' approach supports a variety
of options in enclosure layout, payload composition, power
requirements, and system installation. 20-, 12-, and dual 9-slot card
cages are available with such features as:
1General Information
Support for a variety of VMEmodules and storage drives
AC or DC power supplies
Convenient front access to VMEmodules, fans, mass storage
drives, power supplies, and control boards
Adaptability to floor, rack, or mast installation
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1-1

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