2-32
Figure2-42 Removing a fan tray
Installing and removing a power module
WARNING!
In power redundancy mode, you can replace a power module without powering off the switch but
you must strictly follow the installation and removal procedures in
and
avoid any bodily injury or damage to the switch.
CAUTION:
Provide a circuit breaker for each power module.
Figure2-43 Installation procedure
Figure2-44 Removal procedure
The PSR180-12A-F and PSR180-12A-B power modules are available for the switch. The installation
and removal procedures are the same for the PSR180-12A-F and PSR180-12A-B power modules.
The following procedures install and remove a PSR180-12A-B power module.
Installing a power module
CAUTION:
To prevent damage to the power module or the connectors on the backplane, insert the power
module gently. If you encounter a hard resistance when inserting the power module, pull out the
power module and insert it again.
To install a power module:
Install the power
module
Connect the power
cord
Turn on the circuit
breaker
Turn off the circuit
breaker
Disconnect the power
cord
Remove the power
module