Chapter 1 Product Overview

Power Supplies

To replace a power supply, see the “Removing and Replacing the Power Supply” section on page 4-2.

Power Supply LEDs

Table 1-7describes 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

Green

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

1400 W DC single

 

–39 V and less than –60 V.

input power supplies)

 

 

 

 

 

 

 

 

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.

 

 

 

 

 

Catalyst 4500 Series Switches Installation Guide

1-34

78-14409-08

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Image 58
Cisco Systems WSC4500XF32SFP, WSC4500X24XIPB, WSC4500XF16SFP manual Power Supply LEDs, Input OK