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Installing the Switch

3. Check if all the power supplies and the fan trays have the expected direction of airflow. Port-side intake

airflow modules have a red coloring, and port-side exhaust airflow modules have blue coloring. For more

information, see the

Installing the Switch

This section describes how to use the rack mount kit to install the switch into a cabinet or rack that meets the

requirements described in the

Installing the Switch in a 4-Post Rack

To install the switch, you must attach the front and rear mounting guides to the switch, install the slider rails

on the rear of the rack, slide the switch into the slider rails, and secure the switch to the front of the rack.

Typically, the front of the rack is the side that is easiest to access for maintenance.

Before you begin

• Inspect the switch shipment to ensure that you have everything you ordered.

• Make sure that the switch rack-mount kit includes the following parts:

• The rack is installed and secured to its location.

• Determine how you want to set up your switch:

Installing the Cisco MDS 9148V-K9 Switch

• Model and serial number of the damaged unit

• Description of damage

• Effect of damage on the installation

Power Supplies

Cabinet and Rack Requirements

• Rack-mount brackets (2)

• Rack-mount guides (2)

• Slider rails (2)

• M4 x 0.7 x 8-mm Phillips countersink screws (12)

1. Determine which end of the chassis is to be located in the cold aisle as follows:

a. If the switch has port-side intake modules (fan modules and power supply units with red coloring),

position the switch so that its ports are in the cold aisle.

b. If the switch has port-side exhaust modules (fan modules and power supply units with blue

coloring), position the switch so that its fan modules and power supply units are in the cold aisle.

2. Determine which way the chassis should slide in and out of the rack—port-side entry first or rear-side

entry first. You might consider whether the front or back of the rack provides better clearance for

maneuvering the chassis in and out during installation and servicing. The end that needs to enter the

rack first requires the guides and the other end the brackets.

and

Fan Modules

sections.

section.

Installing the Cisco MDS 9148V-K9 Switch