Quantum Scalar 50
Redundant Power Supply
Upgrade Instructions
Introduction 3
Preparing the Library 3
Required Upgrade Kit ..................................................................................3
Required Tools...............................................................................................4
Installing the Power Supply 4
Document 81-81793-01 A01, June 2007 1
Quantum Scalar 50 Redundant Power Supplies Upgrade Instructions
Document 81-81793-01 A01
June 2007
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2
Quantum Scalar 50 Redundant Power Supply Upgrade Instructions
Document 81-81793-01 A01
June 2007
Introduction 0
This document explains how to upgrade your Scalar 50 library with
redundant power supplies. During normal operations, both the standard
power supplies and redundant power supplies share the power load. During
a power supply failure, the redundant power supply takes over the full
power load ensuring normal library operation. The redundant power supply
upgrade procedure consists of the following steps:
• Preparing the Library
• Installing the Power Supply
Preparing the Library 0
Before beginning the installation procedure, make sure that you have the
required upgrade kit(s).
Required Upgrade Kit 0 Refer to the following tables for the upgrade kit contents (see table 1):
Note: All part numbers are subject to change without notice.
Table 1 Redundant Power
Supply Upgrade Kit PN
PR-UU9PZ-YF
Qty Illustration Description
1 Power supply
1 Quantum Scalar 50 Redundant Power Supply Upgrade
Instructions
Introduction 3
Quantum Scalar 50 Redundant Power Supply Upgrade Instructions
Cover plate
Standard power supply
Document 81-81793-01 A01
June 2007
Required Tools 0 The following tool is required to perform the redundant power supply
upgrade procedure:
• Flat blade screw driver
Installing the Power Supply 0
To install the redundant power supply(s):
1 Remove the power supply bay cover plates by loosening the captive
screw with a flat blade screwdriver (see
Figure 1 Removing the
Power Supply Bay Cover
Plates
figure 1).
4 Installing the Power Supply
2 Insert the redundant power supply into the power supply bay and
tighten the captive screws with a flat blade screwdriver (see
figure 2).
Figure 2 Inserting the
Captive screw
Redundant
power supply
Redundant Power Supply
Quantum Scalar 50 Redundant Power Supply Upgrade Instructions
Document 81-81793-01 A01
June 2007
3 Plug the AC power cords from the power supplies to an available power
source.
The redundant power supply upgrade procedure is complete.
Installing the Power Supply 5
Quantum Scalar 50 Redundant Power Supply Upgrade Instructions
Document 81-81793-01 A01
June 2007
6 Installing the Power Supply
*81-81793-01 A01*
81-81793-01 A01
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