1-1
Cisco MDS 9250i Multiservice Fabric Switch Hardware Installation Guide
OL-29583-01
APPENDIX
1
Rack Installation
This appendix provides information on the rack installation and includes the following sections:
• Rack Requirements, page 1-1
• Rack-Mounting Guidelines, page 1-2
• Installing the Cisco MDS 9250i Switch in a Rack, page 1-6
Rack Requirements
This section provides the requirements for the following type of racks, assuming an external ambient air
temperature range of 32 to 104
o
F (0 to 40
o
C):
• Cisco MDS 9250i chassis
• Standard open racks
• Two-post Telco racks
General Requirements for Racks
The rack must be one of the following types:
• Standard 19-inch four-post EIA rack, with mounting rails that conform to English universal hole
spacing per section 1 of ANSI/EIA-310-D-1992. See the “Standard Open Rack Requirements”
section on page 1-2 and the “Standard Open Rack Requirements” section on page 1-2.
• Standard two-post telco rack, with mounting rails that conform to English universal hole spacing per
section 1 of ANSI/EIA-310-D-1992.
Rack Requirements for Cisco MDS 9250i Chassis
The rack must also meet the following requirements:
• The minimum vertical rack space per chassis is 1.75 in. (4.4 cm).
• The width between the 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 and rear rails.
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