HP Cisco MDS 9120 Cisco Nexus 5000 Series Hardware Installation Guide (OL-1590 - Page 84

Requirements Specific to Perforated Cabinets, Rittal Corporation

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Cabinet and Rack Requirements Appendix A Cabinet and Rack Installation Send documentation comments to [email protected] • The minimum vertical rack space per 5010 chassis must be one RU (rack unit), equal to 1.75 inches (4.4 cm). • The width between the rack-mounting rails must be at least 17.75 inches (45.1 cm) if the rear of the switch is not attached to the rack. For four-post EIA racks, this is the distance between the two front rails. • For four-post EIA cabinets (perforated or solid-walled): - The minimum spacing for the bend radius for fiber-optic cables should have the front-mounting rails of the cabinet offset from the front door by a minimum of 3 inches (7.6 cm), and a minimum of 5 inches (12.7 cm) if cable management brackets are installed on the front of the chassis. - The distance between the outside face of the front mounting rail and the outside face of the back mounting rail should be 23.5 to 34.0 inches (59.7 to 86.4 cm) to allow for rear-bracket installation. - A minimum of 2.5 inches (6.4 cm) of clear space should exist between the side edge of the chassis and the side wall of the cabinet. No sizeable flow obstructions should be immediately in the way of chassis air intake or exhaust vents. Note Optional jumper power cords are available for use in a cabinet. See the "Jumper Power Cord" section on page C-10. Requirements Specific to Perforated Cabinets A perforated cabinet is defined here as a cabinet with perforated front and rear doors and solid side walls. In addition to the requirements listed in the "General Requirements for Cabinets and Racks" section on page A-1, perforated cabinets must meet the following requirements: • The front and rear doors must have at least a 60 percent open area perforation pattern, with at least 15 square inches of open area per rack unit of door height. • The roof should be perforated with at least a 20 percent open area. • The cabinet floor should be open or perforated to enhance cooling. A perforated cabinet that conforms to these requirements is available from Rittal Corporation: Rittal Corporation One Rittal Place Springfield, OH 45504 Contact: (800) 477-4220 Cabinet P/N: Rittal 9969427 Cabinet description: PS-DK/OEM Cabinet Assembly, (78.7 in.) 1998 mm X 23.6 in. (600 mm) X 39.4 in. (1000 mm) (H x W x D) (42 RU) Cisco Nexus 5000 Series Hardware Installation Guide A-2 OL-15902-01

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Send documentation comments to [email protected]
A-2
Cisco Nexus 5000 Series Hardware Installation Guide
OL-15902-01
Appendix A
Cabinet and Rack Installation
Cabinet and Rack Requirements
•
The minimum vertical rack space per 5010 chassis must be one RU (rack unit), equal to 1.75 inches
(4.4 cm).
•
The width between the rack-mounting rails must be at least 17.75 inches (45.1 cm) if the rear of the
switch is not attached to the rack. For four-post EIA racks, this is the distance between the two front
rails.
•
For four-post EIA cabinets (perforated or solid-walled):
–
The minimum spacing for the bend radius for fiber-optic cables should have the front-mounting
rails of the cabinet offset from the front door by a minimum of 3 inches (7.6 cm), and a
minimum of 5 inches (12.7 cm) if cable management brackets are installed on the front of the
chassis.
–
The distance between the outside face of the front mounting rail and the outside face of the back
mounting rail should be 23.5 to 34.0 inches (59.7 to 86.4 cm) to allow for rear-bracket
installation.
–
A minimum of 2.5 inches (6.4 cm) of clear space should exist between the side edge of the
chassis and the side wall of the cabinet. No sizeable flow obstructions should be immediately
in the way of chassis air intake or exhaust vents.
Note
Optional jumper power cords are available for use in a cabinet. See the
“Jumper Power Cord”
section on page C-10
.
Requirements Specific to Perforated Cabinets
A perforated cabinet is defined here as a cabinet with perforated front and rear doors and solid side walls.
In addition to the requirements listed in the
“General Requirements for Cabinets and Racks” section on
page A-1
, perforated cabinets must meet the following requirements:
•
The front and rear doors must have at least a 60 percent open area perforation pattern, with at least
15 square inches of open area per rack unit of door height.
•
The roof should be perforated with at least a 20 percent open area.
•
The cabinet floor should be open or perforated to enhance cooling
.
A perforated cabinet that conforms to these requirements is available from Rittal Corporation:
Rittal Corporation
One Rittal Place
Springfield, OH 45504
Contact: (800) 477–4220
Cabinet P/N: Rittal 9969427
Cabinet description: PS-DK/OEM Cabinet Assembly, (78.7 in.) 1998 mm X 23.6 in. (600 mm) X
39.4 in. (1000 mm) (H x W x D) (42 RU)