When placing the system into operating position, ensure that the cables at the back of the system do not
catch or bind as you push the system unit back into the rack.
1. Unlock the blue rail safety latches (A) by lifting them upwards. The rail safety latches are located near
the middle of the system.
Figure 39. Placing the system into the operating position
2. Push the system unit (B) back into the rack until both system-unit release latches have locked into
position.
3. Replace and tighten the two screws (if present) (A) that secure the system unit (B) to the rack.
Note: Replacing the two shipping screws is optional but should be done in geographic areas that are
prone to seismic activity.
4. Close the front rack door of the unit you are servicing.
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Power Systems: Power supplies for the 9117-MMB, 9117-MMC, 9179-MHB, or 9179-MHC