52 X75HD Installation and Operation Manual
Preliminary—Contents are proprietary and confidential. Do not photocopy or distribute.
Chapter 4: System Installation and Connections
Installing a Redundant Power Supply
If you purchased an optional redundant power supply prior to receiving
your product shipment, both power supplies will be pre-installed in the
X75HD frame. However, if you purchased a redundant power supply
after receiving your product shipment, you will need to install it
yourself.
See “Appendix C: Servicing Instructions” for more information on
installing X75HD power supplies.
Removing and Replacing Fans
For information on removing and replacing fan boards and individual
fans, see “Appendix C: Servicing Instructions”.
Upgrading to a Local Control Panel
For information on upgrading an X75HD frame with a blank front panel
to one with a local control panel, see “Appendix C: Servicing
Instructions”.