Cisco WS-X4908-10GE= - 10 Gigabit EN half-card Expansion Module Guia de Instalação descarregar pdf (Página 12)

Chapter 1 Product Overview

Switch Components

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Cisco Catalyst 4900M Switch Installation Guide

78-18350-01

Figure 1-7 Catalyst 4900M Airflow

There are five fans in the fan tray. If an individual fan fails, the other fans continue

to run. Sensors monitor the internal air temperatures. The number of fans in

operation and their speed varies according to the internal temperature for the

quietest operation possible. If the air temperature exceeds a desired threshold, the

environmental monitor displays warning messages.

Power Supplies

Note For complete power specifications for the Catalyst 4900M switch, see

Appendix A, “Specifications.”

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Cisco WS-X4908-10GE= - 10 Gigabit EN half-card Expansion Module Guia de Instalação Página 12