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How to replace the Power Supply in Cisco switch 4948 (Doc ID 1990176.1)

Last updated on FEBRUARY 14, 2018

Applies to:

Exadata X4-2 Hardware - Version All Versions and later
Oracle SuperCluster M6-32 Hardware - Version All Versions and later
Oracle Exalogic Elastic Cloud X2-2 Hardware - Version X2 to X5 [Release X2 to X5]
Zero Data Loss Recovery Appliance X4 Hardware - Version All Versions and later
Zero Data Loss Recovery Appliance X5 Hardware - Version All Versions and later
Information in this document applies to any platform.


This document applies to ALL Engineered systems that include Cisco Catalyst 4948 or 4948E-F ethernet switches.

Replacing the power supply as it shows to be bad/off in "show environment" output.

( here as an example of Cisco switch 'C4948E-F'. The switch C4948 has a similar output )



exa41sw-adm01>show environment
no temperature alarms

Module Sensor Temperature Status
1 air inlet 40C (58C,73C,76C) ok
1 air outlet 43C (65C,81C,84C) ok

Power Fan Inline
Supply Model No Type Status Sensor Status
------ ---------------- --------- ----------- ------- -------
PS1 PWR-C49E-300AC-F AC 300W bad/off bad/off n.a.       <<------------------- PS1 shows to be bad/off
PS2 PWR-C49E-300AC-F AC 300W good good n.a.

Power supplies needed by system : 1
Power supplies currently available : 1

Chassis Type : WS-C4948E-F

Power consumed by backplane : 0 Watts

Switch Bandwidth Utilization : 0%

Supervisor Led Color : Orange

Module 1 Status Led Color : Orange

Fantray : Good
Fantray removal timeout : 90


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