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Installing a Power Supply Unit
Installation Guidelines
Observe these guidelines when removing or installing a power supply module.
• Do not force the power supply module into the slot. This can damage the pins on the switch if they are
• A power supply module 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 module is hot-swappable. In some configurations, such as full PoE+ or power sharing
Caution
Do not operate the switch with one power-supply module slot empty. For proper chassis cooling, both module
slots must be populated, with either a power supply or a blank module.
Warning
This equipment must be grounded. Never defeat the ground conductor or operate the equipment in the absence
of a suitably installed ground conductor. Contact the appropriate electrical inspection authority or an electrician
if you are uncertain that suitable grounding is available.
Statement 1024
Warning
Blank faceplates and cover panels serve three important functions: they prevent exposure to hazardous voltages
and currents inside the chassis; they contain electromagnetic interference (EMI) that might disrupt other
equipment; and they direct the flow of cooling air through the chassis. Do not operate the system unless all
cards, faceplates, front covers, and rear covers are in place.
Statement 1029
Warning
Do not reach into a vacant slot or chassis while you install or remove a module. Exposed circuitry could
constitute an energy hazard.
Statement 206
Warning
Only trained and qualified personnel should be allowed to install, replace, or service this equipment.
Statement 1030
not aligned with the module.
mode, removing a power supply module causes powered devices to shut down until the power budget
matches the input power of a single power supply module. To minimize network interruption, ensure
that an active backup is in progress.
For the switch commands that display available power budget, see the software configuration guide.
Cisco Catalyst 9200 Series Switches Hardware Installation Guide
Installation Guidelines
45
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