Replace Components; Replace A Power Supply - Extreme Networks 9920 Installation Manual

Replace Components

Replace a Power Supply

Replace a Fan Module
Replace an Interface Module
This following topics provide information about replacing components in the Extreme 9920.
Replace a Power Supply
Use the following procedure when you need to remove or replace an AC power supply module, part
number 9920-ACPWR-1600W-F, or a DC power supply module, part number 9920-DCPWR-1600W-F,
from the appliance.
Tip
You can hot swap power supplies while the appliance is operational.
Note
Electrostatic discharge (ESD) can damage electronic circuits. Do not touch electronic
hardware unless you wear a grounding wrist strap or other static-dissipating device.
Caution
To turn off power to this device, you must disconnect the power cord. After the device has
powered down, allow at least 30 seconds before you restore power. Otherwise, this device
might produce a core file during the reset that can result in an extra delay during the boot
process.
1. For an AC power supply:
on page 49
on page 51
on page 52
Note
If your AC power cord is secured with a retention clip, continue to Step a; otherwise go to
Step c.
9920 Network Packet Broker Hardware Installation Guide 49