Installation Guidelines - Cisco Catalyst 9300 Series Hardware Installation Manual

Installing a Power Supply
Figure 38: Power Supply Slot Cover
1
Table 31: Switch Power Supply Module LEDs
AC OK
Off
Green

Installation Guidelines

Observe these guidelines when removing or installing a power supply or fan module:
• Do not force the power supply or fan module into the slot. This can damage the pins on the switch if they
• A power supply that is only partially connected to the switch can disrupt the system operation.
• Remove power from the power-supply module before removing or installing the module.
• The power supply is hot-swappable. In some configurations, such as full PoE+ or power sharing mode,
Release handles
Description
No AC input power.
AC input power present.
are not aligned with the module.
removing a power supply causes powered devices to shut down until the power budget matches the input
power of a single power supply. To minimize network interruption, hot swap the power supply under
these circumstances:
• The switch is in StackPower mode and sufficient power is available.
• The switch is powered by other switches in a power stack, and no active backup is in progress.
For the switch commands that display available power budget, see the software configuration guide.
2
PS OK
Off
Green
Red
Cisco Catalyst 9300 Series Switches Hardware Installation Guide
Installation Guidelines
Retainer clips
Description
Output is disabled, or input is outside
operating range (AC LED is off).
Power output to switch active.
Output has failed.
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