Cisco 9000 Series Menginstal - Halaman 4

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Preinstallation Guidelines

The switch comes with fan modules and power supply units that have either port-side intake or port-side

exhaust airflow for cooling the switch. If you are orienting the switch with the FC ports facing a cold aisle,

make sure that the switch has a port-side intake fan and power supply modules with red colorings. If you are

orienting the switch with the fan and power supply modules facing a cold aisle, make sure that the switch has

port-side exhaust fan and power supply units with blue colorings. All fan modules and power-supply modules

must have the same direction of airflow.

To connect to the switch AC power supply units to the site power source, follow these guidelines:

• For power redundancy, each power supply should be connected to a separate power feed (at a minimum,

• Circuits should be sized according to local and national codes.

• The AC power receptacles that are used to power the chassis must be the grounding type. The grounding

Installation Guidelines

Follow these guidelines when installing the switch:

• Each new switch requires a license. See the

• Plan your site configuration and prepare the site before installing the switch.

• Ensure that there is adequate space around the switch to allow for servicing the switch and for adequate

• Ensure that you are positioning the switch in a rack so that it takes in cold air from the cold aisle and

• Ensure that the air-conditioning meets the heat dissipation requirements listed in the

• Ensure that the cabinet or rack meets the requirements listed in the

• Ensure that the chassis is adequately grounded. If the switch is not mounted in a grounded rack, we

• Ensure that the site power meets the power requirements listed in the

Installing the Cisco MDS 9148V-K9 Switch

separate branch circuits).

conductors that connect to the receptacles should connect to protective earth ground in the service

equipment.

instructions on installing a license.

airflow. The airflow requirements are listed the

exhausts air to the hot aisle. For more information, see the

Specifications

section.

recommend that you connect both the system ground on the chassis and the site power ground to an earth

ground.

If available, you can use an uninterruptible power supply (UPS) to protect against power failures.

Installing the Cisco MDS 9148V-K9 Switch

Cisco MDS 9000 Family NX-OS Licensing Guide

Technical Specifications

Airflow Considerations

Cabinet and Rack Installation

Technical Specifications

for

section.

Technical

section.