Cisco Systems WSC4500XF16SFP Manuel d'utilisateur télécharger pdf (Page 58)

Chapter 1 Product Overview

Power Supplies

1-34

Catalyst 4500 Series Switches Installation Guide

78-14409-08

To replace a power supply, see the “Removing and Replacing the Power Supply”

section on page 4-2.

Power Supply LEDs

Table 1-7 describes the power supply LEDs.

Table 1-7 Power Supply LEDs

LED Color/State Description

INPUT OK Indicates whether the input voltage is within the required range:

Green Input voltage is within the required range.

Flashing Input voltage is present, but is below required range.

Off Input voltage is below the required range or the power supply is

off.

OUTPUT FAIL

Red Output voltage is not within the specified range.

Off Output voltage is within the specified range.

FAN OK Indicates the status of the power supply fans:

Green The fans are operational.

Off The fans are not operational.

In-line PWR (for

1400 W DC single

input power supplies)

Green –48 V passthru output voltage is enabled and is greater than

–39 V and less than –60 V.

Off Indicates any of the following:

• Passthrough breakers are not enabled.

• DC input is less than –40.5 V.

• One or more –48 V outputs is less than –39 V.

Amber Passthru breakers are enabled and input voltage exceeds –60 V.

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Cisco Systems WSC4500XF16SFP Manuel d'utilisateur Page 58