Dell Force10 E1200i Installing and Maintaining the E1200i System - Page 16

Rack Mounting, Cabinet Placement, Power, DC Power Supply to operate.

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www.dell.com | support.dell.com Rack Mounting When you prepare your equipment rack, make sure the rack is bolted to the floor and/or braced to a wall or ceiling. When you install the chassis: • Make sure that the rack is grounded to the grounding electrode. Each DC PEM must be grounded to the rack or building ground bus. The equipment rack must be grounded to the same grounding electrode used by the power service in your area. The ground path must be permanent. • Install the E1200 chassis in the rack before you install internal components or make network and power connections. • In an empty rack, place the chassis in the lower half of the rack to ensure rack stability. Cabinet Placement The cabinet must meet the following criteria: • Minimum cabinet size is 30 inches deep and 24 inches wide. • Minimum air flow is 750 cubic feet per minute (CFM). • Minimum of 3 inches between the closed doors and the front of the cable management panel, and a minimum of 3 inches between the chassis rear and the rear of the cabinet with the cabinet door closed. With the rear doors of the cabinet open, you will need a clearance of at least 20 inches from the rear to access the chassis fan trays. • Minimum of 20 inches clearance at the chassis front to access the air filter, power supplies, and cards. Power At a minimum, the E1200 requires either 2 AC Power Supplies or 1 DC PEM to operate. CAUTION: You cannot power the system with both types of power supply module installed. The system must contain only one type of power module, either AC or DC. CAUTION: The E1200i AC Chassis is shipped with blank inserts covering the DC PEM openings. DO NOT REMOVE THEM. The blank inserts must remain installed for proper system cooling and for EMI containments during system operation. WARNING: • Make your chassis ground connections first (see Figure 2-2). If the chassis is not correctly grounded, excessive electromagnet emission may result. • Disconnect all power to the equipment rack or cabinet before chassis installation. • Never operate the E1200 system with empty RPM, SFM, or line card slots. Always replace empty slots with blank panels. Each E1200 system requires at least two AC Power Supplies or at least one DC Power Supply to operate. Three AC units are required for power supply redundancy, four AC units are required for full facility redundancy, and six AC units provide 3+3 redundancy 16 | Site Preparation

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Site Preparation
www.dell.com | support.dell.com
Rack Mounting
When you prepare your equipment rack, make sure the rack is bolted to the floor and/or braced to a wall
or ceiling.
When you install the chassis:
•
Make sure that the rack is grounded to the grounding electrode. Each DC PEM must be grounded to the
rack or building ground bus. The equipment rack must be grounded to the same grounding electrode
used by the power service in your area. The ground path must be permanent.
•
Install the E1200 chassis in the rack before you install internal components or make network and power
connections.
•
In an empty rack, place the chassis in the lower half of the rack to ensure rack stability.
Cabinet Placement
The cabinet must meet the following criteria:
•
Minimum cabinet size is 30 inches deep and 24 inches wide.
•
Minimum air flow is 750 cubic feet per minute (CFM).
•
Minimum of 3 inches between the closed doors and the front of the cable management panel, and a
minimum of 3 inches between the chassis rear and the rear of the cabinet with the cabinet door closed.
With the rear doors of the cabinet open, you will need a clearance of at least 20 inches from the rear to
access the chassis fan trays.
•
Minimum of 20 inches clearance at the chassis front to access the air filter, power supplies, and cards.
Power
At a minimum, the E1200 requires either 2 AC Power Supplies or 1 DC PEM to operate.
CAUTION:
You cannot power the system with both types of power supply module installed. The system must
contain only one type of power module, either AC or DC.
CAUTION:
The E1200i AC Chassis is shipped with blank inserts covering the DC PEM openings. DO NOT
REMOVE THEM. The blank inserts must remain installed for proper system cooling and for EMI containments
during system operation.
WARNING:
•
Make your chassis ground connections first (see
Figure
2-
2
). If the chassis is not correctly grounded,
excessive electromagnet emission may result.
•
Disconnect all power to the equipment rack or cabinet before chassis installation.
•
Never operate the E1200 system with empty RPM, SFM, or line card slots. Always replace empty slots
with blank panels.
Each E1200 system requires
at least two
AC Power Supplies or
at
least one
DC Power Supply to operate.
Three AC units are required for power supply redundancy, four AC units are required for full facility
redundancy, and six AC units provide 3+3 redundancy