Cisco Catalyst 9400

PurposeCommand or Action
Operational power supply modules
installed in all other slots, are active.
If you are using power supply modules of
different capacities, you must also observe these
guidelines:
• For the n+1 redundant mode, configure the
power supply module with the highest
wattage or capacity as the standby.
• For the n+n redundant mode – Ensure that
the total standby output power is greater
than or equal to the total active output
power.
Exits global configuration mode.end
Example:
Step 3
Device(config)# end
Displays the power redundancy mode
information.
show power
Example:
Step 4
Device# show power
Configuring the Combined Mode
To use the combined mode effectively, follow these guidelines:
• Choose a power supply module that provides enough power so that the chassis and PoE requirements
are less than the maximum available power. Power supply modules automatically adjust the power
resources at startup, to accommodate the chassis and PoE requirements.
• If you have the power supply mode set to combined mode and only one power supply installed, your
switch accepts the configuration, but power is available from only one power supply.
• When your switch is configured to combined mode, available power is the sum of the individual power
supplies
To configure combined mode on your switch, perform this task:
Before you begin
Note that this mode utilizes the available power from all the power supplies; however, your switch has no
power redundancy.
System Management Configuration Guide, Cisco IOS XE Bengaluru 17.4.x (Catalyst 9400 Switches)
234
Environmental Monitoring and Power Management
Configuring the Combined Mode