Disconnect The Power Cords And I/O Cables; Extend The System From The Cabinet; Remove The System Cover - Dell EMC Integrated Data Protection Appliance DP4400 Service Manual

Remove and replace assemblies

Disconnect the power cords and I/O cables

Extend the system from the cabinet

Remove the system cover

Dell EMC Integrated Data Protection Appliance DP4400 2.4 Service Procedures Guide
38
This procedure is used to disconnect the system from electrical power and disconnect
the peripherals.
Note
Before performing the following steps, ensure that the system is prepared for
removal. Use the management GUI and indicator lights to ensure that the system is
shut down and powered off.
Procedure
1. Label each power cord and I/O cable so you can easily identify them when you
need to plug them in to restore the system.
2. Unplug power cords from the power supplies and disconnect the I/O cables
from the system.
This procedure is used to extend the system from the cabinet so that the system
cover can be removed to access the internal FRU components, or used in removing
the system from the cabinet.
Procedure
1. At the front of the cabinet, locate the two rocker switches on left and right side
of the system. Press the top of the rocker switches inward to release the
system from the cabinet.
If the rocker switches do not disengage the system, loosen the screw under
each rocker.
2. Pull the system from the cabinet until the rails lock in the extended position.
Figure 25 Release and extend system from cabinet
Procedure
1. Using a flat or a Phillips head screwdriver, rotate the latch release lock counter
clockwise to the unlocked position.
2. Lift the latch till the system cover slides back and the tabs on the system cover
disengage from the guide slots on the system.