Cabinet And Rack Installation; Cabinet And Rack Requirements; General Requirements For Cabinets And Racks - Cisco MDS 9124V-K9 Hardware Installation Manual

Cabinet and Rack Installation

•

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. If you are selecting an enclosed cabinet,
we recommend that you choose one of these thermally validated types:
• Standard perforated cabinets
• Solid-walled cabinets with a roof fan tray (bottom-to-top cooling)

General Requirements for Cabinets and Racks

A cabinet or rack must belong to one of the following types:
• Standard 19-in. four-post EIA cabinet or rack, with mounting posts that conform to English universal
• Standard two-post telco rack, with mounting posts that conform to English universal hole spacing per
The cabinet or rack must also meet the following requirements:
• The minimum vertical rack space per chassis should be 1 RU, equal to 1.75 in. (4.4 cm).
• The width between the inside edges of the mounting posts must be at least 17.75 in. (45.1 cm). This is
• The minimum rack-load ratings per RU are listed in the following table:
Cabinet and Rack Requirements, on page 11
hole spacing per section 1 of ANSI/EIA-310-D-1992. See
and Requirements Specific to Solid-Walled
section 1 of ANSI/EIA-310-D-1992.
the distance between the two front posts of the four-post EIA racks.
Rack Type
EIA (4 post)
Telco (2 post)
C H A P T E R
Requirements Specific to Perforated Cabinets
Cabinets.
7.5 lb (3.4 kg)
15 lb (6.8 kg)
Cisco MDS 9124V-K9 Switch Hardware Installation Guide
3
11