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The NSM5200 and DAS5200 units incorporate two independent, hot-swappable power supplies. Each power supply acts as a redundant alternate for the
other. This level of fault tolerance ensures that the NSM5200 and the DAS5200 are capable of sustaining uninterruptible operation, in the event of failure. If
a power supply fails, the hot-swappable feature simplifies replacement without shutting down the unit or interrupting normal operation.
This document describes how to replace a failed power supply in an NSM5200 Series network storage manager (NSM) and a DAS5200 Series
direct attached storage (DAS).
NOTES:
• You can replace one failed power supply without shutting down the unit.
• No tools are required to replace this component.
• The NSM5200 rear panel is displayed in this document. The power supplies are in the same locations in the DAS5200.
To replace a power supply:
1. Review all instructions in this document before proceeding.
2. Identify the failed power supply. The status indicator of a failed power supply is red.
3. Disconnect the power cord from the failed power supply as follows:
a. Disconnect the power cord of the failed power supply from the power source.
b. Disconnect the power cord of the failed power supply at the rear panel of the unit.
4. Turn the captive thumbscrew counterclockwise to loosen it.
Figure 1. Loosening the Captive Thumbscrew
WARNING: For safety, you must disconnect the power cord from the wall socket or other power source before disconnecting it from the failed
power supply on the unit.
ì Power Supplies ñ Thumbscrew
î Power Receptacles ó Reserve Power Supply
ï Pull Handles
INSTALLATION
NSM5200-PS Replacement Power Supply
Endura
®
NSM5200/DAS5200 Series
C4611M (10/09)