Dell PowerEdge 4820 Manuel - Page 10
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Cable Routing Procedures for Dell™ PowerEdge™ R415 Systems
Figure 9: Removing the CMA Brackets for Shallow Racks
Section 3: Replacing a Power Supply on a PowerEdge™ R415 System With a
CMA
1.
Remove the tray from underneath the CMA as described in the
provided with the CMA kit.
2. Swing the CMA into the service position.
3. Disengage the strain relief and disconnect the power cord from the power supply.
4. If the CMA is attached to the left side, both power supplies can be removed without
disconnecting the CMA.
5. If the CMA is attached to the right side and the inner power supply needs to be replaced, the
CMA does not need to be disconnected.
6. If the CMA is attached to the right side and the outer power supply needs to be replaced:
a. Disconnect the inner CMA bracket from the rail as shown in Figure 10.
b. While supporting the CMA with one hand, remove and replace the power supply with
the other hand as shown in Figure 11.
c. Reinstall the inner CMA bracket to reconnect the CMA.
7. After the power supply has been replaced, plug in the power cord, re-engage the strain relief,
replace the CMA support tray, and return the CMA to the closed (retracted) position.
CMA Installation Instructions
Page 8