Power Distribution Module - Dell PowerEdge 2600 Service Manual

Power Distribution Module

Removing a Power Distribution Module
To remove a PDM, perform the following steps.
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See
your System Information Guide for complete information about safety precautions, working inside the computer, and protecting against
electrostatic discharge.
1. Remove the bezel (see "Removing the
2. Turn off the system, including any attached peripherals, and disconnect the system power cable(s) from the electrical outlet(s).
3. Release the latch on the power supplies and pull them about an inch away from their connectors on the PDM.
4. Remove the cover (see "Removing the
5. Remove the cooling shroud (see
6. Disconnect power cable connector P17 from the system board connector POWER connector (see Figure 4-14).
7. Disconnect power cable connector P18 from the system board connector GROUND connector (see Figure 4-14).
8. Disconnect the PDM interface cable from the system board PDB connector (see Figure 4-14).
Figure 4-14. Disconnecting PDM Cables
9. At the back of the system, remove the four screws securing the PDM to the back panel, as shown in Figure 4-15.
Figure 4-15. Removing the PDM
10. Carefully use the pull rings to pull the PDM out of its slot, taking care to guide the connectors you disconnected from the system board down and away
from the system board.
Installing a Replacement Power Distribution Module
1. Slide the replacement PDM into its slot, taking care that its connectors enter the slot before the module chassis.
Bezel").
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"Removing the Cooling Shroud").