Dell Force10 E1200i Installing and Maintaining the E1200i System - Page 17

Fans and Airflow, Storing Components

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Two DC units are required for power supply and full facility redundancy. WARNING: Leakage Current (High Touch Current): The AC power cords are secured to the power inlet using the provided bracket. The AC power cord plugs must be secured to the building outlets by the chassis installer or a qualified electrician. Refer to Appendix D, System Specifications, on page 79 for specifications on thermal output and other power related numbers. Fans and Airflow Your E1200 chassis contains two field-replaceable fan trays. Air flows through the system from a filtered-intake vent located in the lower part of the chassis. Air circulates from the bottom front (and sides) to the back and exhausts through a top rear vent. The variable fan speed is reduced at normal operating temperatures and increases to full speed as operating temperatures increase, up to 104° F (40° C). For fan tray access, maintenance and proper ventilation, position the chassis and equipment rack or cabinet so that: • At least three inches clearance is around the front and side intake and exhaust vents for free air flow • Provide 20 inches in the rear to access the fan tray. • Operate the E1200 system with two fan trays. For instructions on replacing a fan tray, refer to Removing and Replacing Fan Trays on page 57. Storing Components CAUTION: Do not transport a chassis with components (line cards, power supplies, RPMs, Fan Trays, Power Supply, or SFMs) installed in the chassis. Place the modules in their original ESD-preventative packaging and attach the Front Shipping Cover on the front of the chassis prior to placing the chassis in its original shipping crate. Shipping the chassis with components installed may damage the components and the chassis backplane. If you do not install your E1200 system and components right away, Dell Force10 recommends that you properly store components and all extra field-replaceable components (spares) until you are ready to install them. Keep all components in the original packaging during storage. Follow these indoor storage guidelines: • Storage temperature should remain constant ranging from -40° to 158°F (-40° to 70°C). • Non-condensing relative humidity should be maintained within 5 to 95 percent. • Store on a dry floor, away from direct sunlight, heat, and air conditioning ducts. • Store in a dust-free environment. Site Preparation | 17

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Site Preparation
|
17
Two DC units are required for power supply and full facility redundancy.
WARNING:
Leakage Current (High Touch Current): The AC power cords are secured to the power inlet using
the provided bracket. The AC power cord plugs must be secured to the building outlets by the chassis installer
or a qualified electrician.
Refer to
Appendix
D, System Specifications, on page 79
for specifications on thermal output and other
power related numbers.
Fans and Airflow
Your E1200 chassis contains two field-replaceable fan trays. Air flows through the system from a
filtered-intake vent located in the lower part of the chassis. Air circulates from the bottom front (and
sides) to the back and exhausts through a top rear vent. The variable fan speed is reduced at normal
operating temperatures and increases to full speed as operating temperatures increase, up to 104° F
(40° C).
For fan tray access, maintenance and proper ventilation, position the chassis and equipment rack or
cabinet
so that
:
•
At least three inches clearance is around the front and side intake and exhaust vents for free air flow
•
Provide 20 inches in the rear to access the fan tray.
•
Operate the E1200 system with two fan trays.
For instructions on replacing a fan tray, refer to
Removing and Replacing Fan
T
rays on page
57
.
Storing Components
CAUTION:
Do not transport a chassis with components (line cards, power supplies, RPMs, Fan Trays, Power
Supply, or SFMs) installed in the chassis. Place the modules in their original ESD-preventative packaging and
attach the Front Shipping Cover on the front of the chassis prior to placing the chassis in its original shipping
crate. Shipping the chassis with components installed may damage the components and the chassis
backplane.
If you do not install your E1200 system and components right away, Dell Force10 recommends that you
properly store components and all extra field-replaceable components (spares) until you are ready to
install them. Keep all components in the original packaging during storage.
Follow these
indoor
storage guidelines:
•
Storage temperature should remain constant ranging from -40° to 158°F (-40° to 70°C).
•
Non-condensing relative humidity should be maintained within 5 to 95 percent.
•
Store on a dry floor, away from direct sunlight, heat, and air conditioning ducts.
•
Store in a dust-free environment.