Replacement Procedures; Replacing A Power Supply - HP FlexFabric 12900 series Installation Manual

Replacement procedures

CAUTION:
When replacing FRUs while the switch is running, be aware of electrical safety hazards.
The switch uses a modular, hot-swappable architecture, and supports field replaceable units (FRUs). You
can replace any of FRUs when the switch is running.

Replacing a power supply

WARNING!
Strictly follow the procedures shown in
•
device damage or bodily injury.
• When replacing a power supply while the switch is running, be aware of electrical safety hazards.
Add a circuit breaker to the power line for each power supply. Before replacing a power supply, turn off
•
its circuit breaker.
The power supply may be of high temperature. Remove it with caution.
•
To install the removed power supply to the chassis again, install it after the status LED on it is off.
•
Figure 36 Power supply removal flow
Figure 37 Power supply installation flow
To replace a power supply:
1. Prepare an antistatic mat to place the removed power supply.
2. Turn off the circuit breaker.
3. Wear an ESD-preventive wrist strap and make sure it makes good skin contact and is well
grounded. For more information, see
4. Press the locking tabs at both sides of the plastic panel, and remove the plastic panel, as shown
in Figure 38.
Figure 36 and Figure 37
"Installing FRUs."
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to replace a power supply to avoid