S e 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 c k - d o c @ c i s c o . c o m
A-1
Cisco MDS 9100 Series Hardware Installation Guide
OL-21514-01
A P P E N D I X
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-2
and
“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.