Dell POWEREDGE 4300 - Page 77

Removing and Replacing Parts 4-19
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9. Connect the three Y-cables to the corresponding three pairs of connectors
on the PSPB.
10. Reinstall the PSPB tray in the chassis.
Secure the tray with the screw you removed in step 4.
PSPB
PSPB tray
captive screw