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Tie wraps (4 in. and 8 in.)
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Labels
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Pen or marker
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Masking tape
Safety considerations
Always follow safety recommendations to avoid damage to the system or harm to personnel.
CAUTION
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If the system is used in a manner not specified by the manufacturer, the protection
provided by the equipment could be impaired.
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The RJ45 ports on the motherboard, PCI cards, or I/O modules are for Ethernet
connection only and must not be connected to a telecommunications network.
Review and follow these important safety recommendations:
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For ESD protection, Dell EMC recommends that you wear a suitable antistatic wrist or ankle
strap. Observe all conventional ESD precautions when handling plug-in modules and
components.
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All plug-in modules and blank plates are part of the fire enclosure system and should not be
removed unless a replacement can be added immediately. Do not run the system without all
parts in place.
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Provide a suitable power source with electrical overload protection.
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Provide a safe electrical ground connection to each power cord. Check the grounding of the
power sources before applying power.
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A DD9900 system must be operated only from a power supply input voltage range of 200–240
VAC and 50–60 Hz.
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DS60 shelves use 200–240 VAC and 50–60 Hz.
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ES40 shelves use 100–240 VAC and 47–63 Hz.
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FS25 shelves use 100–240 VAC and 47–63 Hz.
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The system is intended to operate with all installed power supplies working as designed.
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A faulty power supply module should be replaced within 24 hours.
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Always disconnect the power connections before removing or replacing a power supply
module.
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The main way to disconnect power from the system is to unplug the power supply cord.
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The system includes two power supplies. To completely remove system power, you must
disconnect both power supplies.
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Always disconnect the power connections before moving the system.
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If you think the unit is damaged in any way, permanently unplug it.
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CAUTION
The system components are heavy. To avoid personal injury and/or damage to
the equipment, do not attempt to install or remove system components without a
mechanical lift and/or help from another person.
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A DD9900 system weighs up to 110.01 lbs (49.9 kg).
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DS60 shelves weigh up to 225 lbs (90.7 kg).
Introduction and Preparation
14 Dell EMC PowerProtect DD9900 System Installation Guide
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