Dell Force10 S4820T Installing the S4820T System - Page 18

Site Selection, Cabinet Placement, Rack Mounting, Grounding, Fans and Airflow,

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www.dell.com | support.dell.com Site Selection Dell Force10 Networks' equipment is intended for installation in restricted access areas. A restricted access area is one in which access can only be gained by service personnel through the use of a special tool, lock, key or other means of security and access is controlled by the authority responsible for the location. Make sure that the area where the S4820T system is installed meets all of the following safety requirements: • Near an adequate power source. Connect the system to the appropriate branch circuit protection as defined by your local electrical codes. • Environmental temperature between 32° to 104°F (0° to 40°C). • Relative humidity that does not exceed 85% non-condensing. • In a dry, clean, well-ventilated and temperature-controlled room, away from heat sources such as hot air vents or direct sunlight. • Away from sources of severe electromagnetic noise. • Positioned in a rack or cabinet, or on a desktop with adequate space in the front, rear, and sides of the S4820T for proper ventilation and access. Cabinet Placement Install the S4820T only in indoor cabinets designed for use in a controlled environment as described in Site Selection. Do not install the S4820T in outside plant cabinets. The cabinet must meet the following criteria: • Minimum cabinet size and airflow are according to the Electronic Industries Alliance (EIA) standard. Rack Mounting When you prepare your equipment rack, ensure that the rack is earth ground. The equipment rack must be grounded to the same ground point used by the power service in your area. The ground path must be permanent. Grounding Use the S4820T in a Common Bond Network (CBN). You must connect the grounding cables as described in Chapter 4, Installing the S4820T. Fans and Airflow The S4820T fans support two airflow options. Be sure to order the fans suitable to support your site's ventilation. Use a single type of airflow fan in your system. Do not mix reverse and normal airflows in a single S4820T chassis. 18 | Site Location and Preparation

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Site Location and Preparation
www.dell.com | support.dell.com
Site Selection
Dell Force10 Networks’ equipment is intended for installation in restricted access areas. A restricted
access area is one in which access can only be gained by service personnel through the use of a special
tool, lock, key or other means of security and access is controlled by the authority responsible for the
location.
Make sure that the area where the S4820T system is installed meets all of the following safety
requirements:
•
Near an adequate power source. Connect the system to the appropriate branch circuit protection as
defined by your local electrical codes.
•
Environmental temperature between 32° to 104°F (0° to 40°C).
•
Relative humidity that does not exceed 85% non-condensing.
•
In a dry, clean, well-ventilated and temperature-controlled room, away from heat sources such as hot air
vents or direct sunlight.
•
Away from sources of severe electromagnetic noise.
•
Positioned in a rack or cabinet, or on a desktop with adequate space in the front, rear, and sides of the
S4820T for proper ventilation and access.
Cabinet Placement
Install the S4820T only in indoor cabinets designed for use in a controlled environment as described in
Site Selection
. Do not install the S4820T in outside plant cabinets.
The cabinet must meet the following criteria:
•
Minimum cabinet size and airflow are according to the Electronic Industries Alliance (EIA) standard.
Rack Mounting
When you prepare your equipment rack, ensure that the rack is earth ground. The equipment rack must be
grounded to the same ground point used by the power service in your area. The ground path must be
permanent.
Grounding
Use the S4820T in a Common Bond Network (CBN). You must connect the grounding cables as
described in
Chapter 4, Installing the S4820T
.
Fans and Airflow
The S4820T fans support two airflow options. Be sure to order the fans suitable to support your site’s
ventilation. Use a single type of airflow fan in your system. Do not mix reverse and normal airflows in a
single S4820T chassis.