Information About Internal Power Supplies
See the device installation guide for information about the power supplies.
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See the device installation guide for information about the power supplies.
You can use the power supply EXEC command to configure and manage the internal power supply on the device. The device does not support the no power supply EXEC command.
Follow these steps beginning in user EXEC mode:
Command or Action | Purpose | |||
---|---|---|---|---|
Step 1 |
power supply switch_number slot {A | B } { off | on } Example:
|
Sets the specified power supply to off or on by using one of these keywords:
By default, the device power supply is on. |
||
Step 2 |
show environment power Example:
|
Verifies your settings. |
Command |
Purpose |
---|---|
show environment power [ all | switch switch_number ] |
(Optional) Displays the status of the internal power supplies for the specified device . . The device keywords are available only on stacking-capable devices . |
This example shows the sample output of show environment status command when a power supply with serial number starting with QCS is installed into C9500-32C switch. In this example, the second fan displays the state as N/A because the power supply with serial number starting with QCS has a single fan.
Device# show inventory
NAME: "Chassis", DESCR: "Cisco Catalyst 9500 Series Chassis"
PID: C9500-32C , VID: V00 , SN: CAT2202L2M5
NAME: "Power Supply Module 1", DESCR: "Cisco Catalyst 9500 Series 1600W AC Power Supply"
PID: C9K-PWR-1600WAC-R , VID: V01 , SN: QCS2230500J
Device# show environment status
Power Fan States
Supply Model No Type Capacity Status 0 1
------ -------------------- ---- -------- --------- -----------
PS1 C9K-PWR-1600WAC-R AC 1600 W ok good N/A
This example shows the sample output of show environment status command when a power supply with serial number starting with POG is installed into C9500-32C switch. In this example, the second fan displays the state as good because the power supply with serial number starting with POG has a two fans.
Device# show inventory
NAME: "Chassis", DESCR: "Cisco Catalyst 9500 Series Chassis"
PID: C9500-32C , VID: V01 , SN: CAT2344L1N8
NAME: "Power Supply Module 0", DESCR: "Cisco Catalyst 9500 Series 1600W AC Power Supply"
PID: C9K-PWR-1600WAC-R , VID: V01 , SN: POG2319D04K
Device# show environment status
Power Fan States
Supply Model No Type Capacity Status 0 1
------ -------------------- ---- -------- --------- -----------
PS0 C9K-PWR-1600WAC-R AC 1600 W ok good good
This example shows how to set the power supply in slot A to off:
Device# power supply 1 slot A off
Disabling Power supply A may result in a power loss to PoE devices and/or switches ... Continue? (yes/[no]): yes
Device#
Jun 10 04:52:54.389: %PLATFORM_ENV-6-FRU_PS_OIR: FRU Power Supply 1 powered off
Jun 10 04:52:56.717: %PLATFORM_ENV-1-FAN_NOT_PRESENT: Fan is not present
Device#
This example shows how to set the power supply in slot A to on:
Device# power supply 1 slot A on
Jun 10 04:54:39.600: %PLATFORM_ENV-6-FRU_PS_OIR: FRU Power Supply 1 powered on
This example shows the output of the show env power command:
Field | Description |
---|---|
OK |
The power supply is present and power is good. |
Not Present |
No power supply is installed. |
No Input Power |
The power supply is present but there is no input power. |
Disabled |
The power supply and input power are present, but power supply is switched off by CLI. |
Not Responding |
The power supply is not recognizable or is faulty. |
Failure-Fan |
The power supply fan is faulty. |
Related Topic | Document Title |
---|---|
For complete syntax and usage information for the commands used in this chapter. |
Command Reference (Catalyst 9500 Series Switches) |
For information about the power supplies. |
Cisco Catalyst 9500 Series Switches Hardware Installation Guide |
MIB | MIBs Link |
---|---|
All supported MIBs for this release. |
To locate and download MIBs for selected platforms, Cisco IOS releases, and feature sets, use Cisco MIB Locator found at the following URL: |
Description | Link |
---|---|
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This table provides release and related information for features explained in this module.
These features are available on all releases subsequent to the one they were introduced in, unless noted otherwise.
Release |
Feature |
Feature Information |
---|---|---|
Cisco IOS XE Everest 16.5.1a |
Internal Power Supplies |
The switch operates with power supply modules which could be AC, DC or both. Refer the Hardware Installation Guide for more details on power supply units. Support for power supply configuration was introduced only on the C9500-12Q, C9500-24Q, C9500-16X and C9500-40X models of the Cisco Catalyst 9500 Series Switches. |
Use Cisco Feature Navigator to find information about platform and software image support. To access Cisco Feature Navigator, go to http://www.cisco.com/go/cfn.