Dell PowerVault 735N (Rackmount NAS Appliance) - Manual (Page 60)

Removing and Replacing Parts: Dell PowerVault 735N Systems Service Manual
file:///C:/Users/Phebega_Pericho/Desktop/spv735N/en/sm/remove.htm[3/15/2013 4:18:18 PM]
As the latch closes, notice that the power supply slides back in its slot to engage its back-panel connectors with the mating connector on
the PSDB.
NOTE: The power supply will not function until the latch is engaged.
9. Connect the AC power cable to the new power supply and route the cable through the strain-relief clip on the back panel.
10. Connect the free end of the AC power cable to an electrical outlet.
11. Observe the back panel of the power supply to verify that the green power indicator LED is lit and that the red failure LED is off.
12. Close the top doors .
Power Supply Distribution Board
Figure 20. Removing the Power Supply Distribution Board
1 Power connector P1
2 Thumbscrew
3 Power connector P3
4 Power connector P2
To remove the PSDB, perform the following steps.
NOTICE: See " Protecting Against Electrostatic Discharge " for information on protecting the system from electrostatic discharge.
1. Turn off the system, including any attached peripherals, and disconnect the AC power cable(s) from its (their) power source.
2. Open the system doors .
3. Disconnect the AC power cable from the AC power receptacle on the back of each installed power supply, and rotate the top of the
power supply latch downward.
4. Remove the fan assembly .
5. At the PSDB (see Figure 20 ), record the mating connector location and disconnect the 12-conductor power cable harness attached to
the P3 connector.
6. Record the mating connector location and disconnect the 24-conductor power cable harness attached to the P1 connector on the
PSDB.
7. Record the mating connector location and disconnect the 18-conductor power cable harness attached to the P2 connector on the
PSDB.
8. Loosen the thumbscrew on the PSDB and remove the PSDB from the chassis.