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C-6
Cisco MDS 9500 Series Hardware Installation Guide
OL-17467-02
Appendix C Cabinet and Rack Installation
Cisco MDS 9000 Family Telco and EIA Shelf Bracket
The horizontal distance between the chassis and any adjacent chassis should be 6 inches (15.2 cm),
and the distance between the chassis air vents and any walls should be 2.5 inches (6.4 cm).

Requirements Specific to Two-Post Telco Racks

In addition to the requirements listed in the “General Requirements for Cabinets and Racks” section on
page C-1, two-post telco racks must meet the following requirements:
The minimum width between the two rack-mounting rails must be at least 17.75 inches (45.1 cm).
The distance between the chassis air vents and any walls should be 2.5 inches (6.4 cm).
Note Two-post telco racks are not intended for use with the Cisco MDS 9513 Director.
Cisco MDS 9000 Family Telco and EIA Shelf Bracket
The optional telco and EIA shelf bracket kit (DS-SHELF) can temporarily or permanently support the
Cisco MDS 9200 Series during installation. After the front rack-mount brackets are securely attached to the
rack-mounting rails, the shelf bracket can be removed. This kit supports the following configurations:
A Cisco MDS 9506 Director in a two-post telco rack
A Cisco MDS 9506 Director in a four-post EIA rack
Note This kit is not intended for use with a Cisco MDS 9509 Director in a two-post telco rack nor with a Cisco
MDS 9513 Director in any rack.
This section describes the procedure for installing a Cisco MDS 9000 Family switch in a rack or a
cabinet using the optional telco and EIA shelf bracket kit. It includes the following information:
Rack-Mounting Guidelines, page C-7
Before Installing the Rack-Mount Support Brackets, page C-7
Before Installing the Shelf Brackets, page C-8
Installing the Shelf Bracket Kit into a Two-Post Telco Rack, page C-9
Installing the Shelf Bracket Kit into a Four-Post EIA Rack, page C-10
Installing the Switch on the Rack-Mount Support Brackets, page C-11
Installing the Switch on the Shelf Brackets, page C-12
Removing the Shelf Bracket Kit (Optional), page C-12
Note This optional kit is not provided with the switch; to order the kit, contact your switch supplier.