Frame Manual
400FR Compact High Density Balanced Audio Distribution Frame
Revision
0.2
Page - 11
To replace the power supply the following procedure should be used:
1. Turn off the power supply switch.
2. From the rear of the frame locate the power supply mounting screw. This screw is the top right screw
holding the fan guard in place, and is indicated by the legend:
PSU
MNT
3. Remove the power supply mounting screw.
4. Open the front door of the frame and pull the power supply out of the frame.
5. Reinsert the new power supply into the frame taking care that it is proper aligned with the card guides.
Press firmly to make sure that the power supply is fully seated into the rear panel connector.
6. Reinstall the power supply mounting screw from the rear of the frame.
7. Turn on the power switch for the power supply. After a few seconds you should see the PSU STATUS
LED come on indicating that the power supply is working correctly.
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