Requirements Specific To Perforated Cabinets; Reference Perforated Cabinet; Requirements Specific To Solid-Walled Cabinets - Cisco MDS 9396S Hardware Installation Manual

Requirements Specific to Perforated Cabinets

• The width between the rack-mounting rails must be at least 17.75 in. (45.1 cm). For four-post EIA racks,
• For four-post EIA cabinets (perforated or solid-walled):
Optional jumper power cords are available for use in a cabinet. See the
Note
Requirements Specific to Perforated Cabinets
In addition to the requirements listed in the "General Requirements for Cabinets and Racks" section, 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
• We recommend that the roof be perforated with at least 20 percent open area, unless the cabinet only
• We recommend an open or perforated cabinet floor to enhance cooling but it is not required.

Reference Perforated Cabinet

A perforated cabinet that conforms to the above requirements is available from Rittal Corporation:
Rittal Corporation One Rittal Place Springfield, OH 45504 Phone: (800) 477-4000 Cabinet P/N: Rittal 9969427
Cabinet description: PS-DK/OEM Cabinet Assembly, 1998 x 600 x 1000 (H x W x D) (42U)

Requirements Specific to Solid-Walled Cabinets

In addition to the requirements listed in the "General Requirements for Cabinets and Racks" section, solid-walled
cabinets must meet the following requirements:
• A roof-mounted fan tray and an air cooling scheme in which the fan tray pulls air in at the bottom of
• Nonperforated (solid and sealed) front and back doors and side panels so that air travels predictably
Cisco MDS 9396S Multilayer Fabric Switch Hardware Installation Guide
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this is the distance between the two front rails.
• The minimum spacing for 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 in. (7.6 cm), and a minimum of 5 in.
(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 in. (59.7 to 86.4 cm) to allow for rear bracket installation.
• There should be a minimum of 2.5 in. (6.4 cm) of clear space 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 the chassis air intake or exhaust vents.
sq. in. of open area per rack unit of door height.
contains Cisco MDS 9396S switch, in which case the roof does not have to be perforated.
the cabinet and exhausts it out the top, with a minimum of 500 cfm of airflow exiting the cabinet roof
through the fan tray.
from bottom to top.
Cabinet and Rack Installation
Jumper Power Cord section.