Figure 9 Removing the I/O module blank
To replace the component, reverse the removal procedure. Be sure the I/O module blank is fully
seated and the I/O module blank handle is in the locked position.
Removing and replacing the D6020 power supply
Before removing the component, be sure to note the following:
• Replace only one power supply at a time. Power supplies are N+1 redundant.
• Ensure that all other power supplies are installed and their LEDs are illuminated green before
replacing another power supply.
• Verify the status of the power supply to be replaced by reviewing rear panel LEDs and
buttons (“Understanding rear panel components” (page 35)).
• Be sure that your configuration can support your actions. If the proper redundancy is not in
place, power down the D6020 before beginning this procedure.
• Power supplies must be installed for proper redundancy, and their health LED should be
illuminated green.
To remove the component:
1. Disconnect the AC power cord.
2. Remove the component as shown in Figure 10 (page 24).
Figure 10 Removing the D6020 power supply
24 Removal and replacement procedures
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