Dell PowerEdge Rack Enclosure 4020S User Manual

Page 7

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Cable Routing Procedures for the Dell PowerEdge VRTX System


Section 2: Replacing a power supply on a PowerEdge VRTX
system with a CMA

1. Disengage the strain relief and disconnect the power cord from the power supply.

2. Replace the power supply as shown in Figure 6. Note that the CMA can remain in the closed

position since all of the power supplies clear the top of the CMA during removal/insertion.

3. Plug in the power cord and re-engage the strain relief.

Replacing a power supply

Figure 6.

Section 3: Replacing a blower module on a PowerEdge VRTX
system with a CMA

1. Swing the CMA to its service position as described in the CMA Installation Instructions provided

with the CMA kit.

2. Remove the tray from underneath the CMA as described in the CMA Installation Instructions.

3. Replace the blower module as shown in Figure 7. Note that the CMA may have to be detached

from the rails temporarily in order to provide sufficient clearance for removing/inserting the
blower module.

4. Reattach the CMA to the rails (if necessary), replace the CMA support tray, and return the CMA to

the closed (retracted) position.