Dell Force10 E300 Installing and Maintaining the E300 System - Page 14

Rack Mounting, Cabinet Placement, AC and DC Power, 2500W AC Power - power cable

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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. • Make sure that the rack is grounded to 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. • For an AC Power supply, the power cord is the primary ground. When you install the chassis: • Install the E300 chassis in the rack before you install internal components and make network and power connections. • Use a level to ensure the chassis is installed level. Cabinet Placement The cabinet must meet the following criteria: • Minimum cabinet size is 30 inches deep and 24 inches wide. • Minimum air flow is 665 cubic feet per minute (CFM). • Minimum of six inches between the side intake and exhaust vents and a wall. Minimum of three inches between the closed doors and the chassis (the front of the cable management panel), and a minimum of six inches between the chassis rear and the rear of the cabinet with the cabinet door closed. AC and DC Power The E300 supports a 2500W AC Power Supply and DC Power Entry Modules (PEM). The E300 must contain only one type of power module; either AC or DC PEM. WARNING: • Make your ground connections first. If you do not ground your equipment correctly, excessive electromagnetic emission may result. • Disconnect all power to the equipment rack or cabinet before chassis installation. • Never operate the E300 system with both DC and AC power modules installed. • Never operate the E300 system with an empty fan tray, power module, RPM, SFM, or line card slots. All slots must contain modules or filler panels. • You must use power cables that meet your local electrical code requirements. 2500W AC Power The E300 Power Supply is capable of operating at either 100 VAC or 220 VAC. If the E300 is connected to a 100 VAC power supply, three power supply modules are required. A fourth power supply modules will provide redundancy (3 +1). 14 | 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.
•
Make sure that the rack is grounded to 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.
•
For an AC Power supply, the power cord is the primary ground.
When you install the chassis:
•
Install the E300 chassis in the rack before you install internal components and make network and power
connections.
•
Use a level to ensure the chassis is installed level.
Cabinet Placement
The cabinet must meet the following criteria:
•
Minimum cabinet size is 30 inches deep and 24 inches wide.
•
Minimum air flow is 665 cubic feet per minute (CFM).
•
Minimum of six inches between the side intake and exhaust vents and a wall. Minimum of three inches
between the closed doors and the chassis (the front of the cable management panel), and a minimum of
six inches between the chassis rear and the rear of the cabinet with the cabinet door closed.
AC and DC Power
The E300 supports a 2500W AC Power Supply and DC Power Entry Modules (PEM). The E300 must
contain only one type of power module; either AC or DC PEM.
WARNING:
•
Make your ground connections first. If you do not ground your equipment correctly, excessive
electromagnetic emission may result.
•
Disconnect all power to the equipment rack or cabinet before chassis installation.
•
Never operate the E300 system with both DC and AC power modules installed.
•
Never operate the E300 system with an empty fan tray, power module, RPM, SFM, or line card
slots. All slots must contain modules or filler panels.
•
You must use power cables that meet your local electrical code requirements.
2500W AC Power
The E300 Power Supply is capable of operating at either 100 VAC or 220 VAC. If the E300 is connected
to a 100 VAC power supply, three power supply modules are required. A fourth power supply modules
will provide redundancy (3 +1).