C H A P T E R
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Cabinet and Rack Installation
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Cabinet and Rack Requirements, page 17
Cabinet and Rack Requirements
This section provides the Cisco MDS 9000 Series switches requirements for the following types of cabinets
and racks in an external ambient air temperature range of 0 to 40°C:
•
Standard perforated cabinets
•
Solid-walled cabinets with a roof fan tray (bottom to top cooling)
If you are selecting an enclosed cabinet, we recommend one of the thermally validated types listed above:
standard perforated or solid-walled with a fan tray.
Note
General Requirements for Cabinets and Racks
The cabinet or rack must be one of the following types:
•
Standard 19 in. four-post EIA cabinet or rack, with mounting posts that conform to English universal
hole spacing per section 1 of ANSI/EIA-310-D-1992. See the
Requirements Specific to Perforated
Cabinets
and
Requirements Specific to Solid-Walled Cabinets
sections.
•
Standard two-post telco rack, with mounting posts that conform to English universal hole spacing per
section 1 of ANSI/EIA-310-D-1992.
The cabinet or rack must also meet the following requirements:
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The minimum vertical rack space per chassis should be 1 RU (rack unit), equal to 1.75 in. (4.4 cm).
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The width between the inside edges of the mounting posts must be at least 17.75 in. (45.1 cm). For
four-post EIA racks, this is the distance between the two front posts.
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The minimum rack load ratings per rack unit (RU) as listed in the following table.
Cisco MDS 9132T Fibre Channel Switch Hardware Installation Guide
17