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Cisco MDS 9148S Multilayer Switch Hardware Installation Guide
OL-20185-01
Chapter 2 Installing the Cisco MDS 9148S Switch
Installing the Switch in a Cabinet with Insufficient Front Clearance
Step 5 Insert the switch into the rack:
a. By using both hands, position the switch with the back of the switch between the front
rack-mounting rails as shown in Figure 2-3.
b. Align the two C brackets on either side of the switch with the slider rails installed in the rack. Slide
the C brackets onto the slider rails, and then gently slide the switch all the way into the rack. If the
switch does not slide easily, try realigning the C brackets on the slider rails.
Step 6 Stabilize the switch in the rack by attaching the front rack-mount brackets to the front rack-mounting
rails:
a. Insert two screws (12-24 or 10-32, depending on rack type) and through the cage nuts and the holes
in one of the front rack-mount brackets and into the threaded holes in the rack-mounting rail.
b. Repeat for the front rack-mount bracket on the other side of the switch.
If you are installing the optional cable guides, place the cable guides in front of the front rack-mount
brackets, and then pass the screws through the cable guides, front rack-mount brackets, and mounting
rail. You can install one or both cable guides; if installing a single cable guide, it can be installed on
either side.
Figure 2-3 Attaching the Switch to the Rack
Installing the Switch in a Cabinet with Insufficient Front
Clearance
This section describes how to use the rack-mount kit provided with the switch to install the Cisco MDS
9148S switch into a cabinet with insufficient front-facing clearance. The Cisco MDS 9148S switch is
installed rear-facing to provide adequate clearance for the fiber-optic cables. This cabinet meets the
requirements described in Appendix 1, “Cabinet and Rack Installation,” except the cabinet has less than
three-inch clearance between the inside of the front door or bezel panel and the front cabinet mounting
rails. This rear-facing installation is necessary to ensure that the minimum bend radius for the fiber-optic
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