Guide to Installation and Operation
6 | Densité 2 Housing Frame
3 Field-Serviceable Items
3.1 Changing the Power Supply
The Densité 2 frame supports dual redundant hot-swappable power supplies. The basic configuration includes
a single supply, plus an empty slot for the optional redundant power supply. Installing a second power supply
module and applying power to it automatically engages the redundant supply mode. Each power supply has its
own power socket on the rear panel, and should be connected to the AC supply using the supplied power cord
or other approved cord.
• A single supply can be installed in either of the two slots
To install or change a power supply module:
1. Open the front panel of the frame
2. Swing the controller card operating panel open – it is hinged on its right-hand side – to provide access to
the power supply slots
3. Release the retaining spring by turning the captive screw mounted on the lower front panel of the power
supply counterclockwise
4. Remove the power supply module by pulling on the handle on its front panel and sliding it out of the
frame
5. Slide the new power supply module into the slot, and push it gently into position to seat the connectors
6. Secure the supply in position by turning the captive screw mounted on the lower front of the power supply
clockwise. This engages a retaining spring which holds the supply securely in place.
7. Swing the controller operating panel into the closed position
8. Close the front panel of the frame.
and captive screw
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