Cisco Systems MDS 9100 Series manual Cabinet and Rack Requirements

Se n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a ck - d o c @ c i s c o . c o m

C H A P T E R A

Cabinet and Rack Installation

This appendix includes the following information:

•Cabinet and Rack Requirements, page A-1

•Cisco MDS 9000 Family Telco and EIA Shelf Bracket, page A-3

Cabinet and Rack Requirements

This section provides the Cisco MDS 9000 Family requirements for the following types of cabinets and racks, assuming 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)

•Standard open racks

•Telco racks

Note 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.

General Requirements for Cabinets and Racks

The cabinet or rack must be one of the following rack types:

•Standard 19-in. four-post EIA cabinet or rack, with mounting rails that conform to English universal hole spacing per section 1 of ANSI/EIA-310-D-1992. See the “Requirements Specific to Perforated Cabinets” section on page A-2and “Requirements Specific to Solid-Walled Cabinets” section on page A-3.

•Standard two-post telco rack, with mounting rails that conform to English universal hole spacing per section 1of ANSI/EIA-310-D-1992. See the “Requirements Specific to Telco Racks” section on page A-3.

The cabinet or rack must also meet the following requirements:

•The minimum vertical rack space per chassis should be 1 RU (rack unit), equal to 1.75 in. (4.4 cm).

•The width between the rack-mounting rails must be at least 17.75 in. (45.1 cm). For four-post EIA racks, this is the distance between the two front rails.

Cisco MDS 9100 Series Hardware Installation Guide

OL-16187-01 A-1