RX300 S3 Operating manual 75
8 Hot-plug Components
This chapter describes how to handle hot plug components and/or how to
modify your server hardware.
The hot swap procedure (online replacement) increases the availability of the
system operation and guarantees a high degree of data integrity and fail-safe
performance.
I Upgrades or replacements of permanently installed components are
described in the Options Guide and/or in the Service Supplement and
may only be performed by Service staff.
V CAUTION!
Please observe the safety information in chapter “Important Notes”
on page 23.
8.1 Hot-plug Power Supply Units
I A redundant power supply can be created by installing a second hot-plug
power supply unit (optional). If one power supply unit fails, the other unit
ensures operation can continue. The defective power supply unit can be
replaced online (hot-swap).
8.1.1 Removing the Dummy Module
The slot for the second power supply unit is provided with a dummy module that
must be removed before installing a second power supply unit.
Ê Release the fastening screw and remove the dummy module from the slot.
V CAUTION!
Keep the dummy module for future use. If the power supply unit is
removed again and not replaced with a new unit, the dummy module
must be reinstalled due to cooling, to comply with applicable EMC
regulations (regulations on electromagnetic compatibility) and to protect
against fire.
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