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ZT 7102 Chassis Management Module
CMM Installation and Removal
Technical Product Specification 45
Note: Removing the CMM before safely shutting it down is highly discouraged. Corruption of the flash
could occur if the CMM is yanked suddenly during a flash operation.
To remove the ZT 7102 CMM from a system:
Note: Take the necessary precautions to protect the ZT 7102 from static discharge. System power does
not need to be off to remove a CMM board. However, other boards in the system should be shut
down.
1. Unscrew the board retention screw that fastens the board to the enclosure. This screw is
located at the opposite end of the faceplate from the ejector handle. Refer to Figure 3, “Face
Plate” on page 20 for the screw's location.
2. If system power is off or the CMM's blue hot swap LED is on, proceed to the next step. If not,
the CMM needs to be in a “safe” state before it can be removed. Signal the CMM that it is
about to be removed by partially unlatching its ejector. Do not fully open the ejector as this
levers the board out of the enclosure and breaks its backplane connection before the board can
shut down properly.
3. Wait for the blue hot swap LED to light. It will take a few seconds to light up. The LED will
not light if other boards in the system are powered on. Refer to Figure 3, “Face Plate” on
page 20 for the LED's location.
4. Open the ejector handle fully, rotating it outward until the board disengages from the
backplane (refer to Figure 8 for ejector handle instructions).
5. Slide the board evenly out of the enclosure.
6. Install a replacement CMM or cover the empty slot with a filler panel to maintain the system’s
shielding and cooling performance.