HP FlexFabric 12900E series Installation Manual page 38

Installing a 12900 LPU
The 12900 LPU edges and the ejector lever seats on the LPU slots have purple marks.
To install a 12900 LPU:
Loosen the captive screws that secure the LPU to the protection box, pull the ejector levers of
1.
the LPU outward, and pull out the LPU from the protection box. See
Orient the LPU with the PCB facing up. Hold the LPU by the front panel with one hand and
2.
support its bottom with the other. Slide the LPU steadily into the target slot along the guide rails.
See Figure
Do not touch the components on the PCB.
Keep the LPU parallel to the slot to avoid touching other components in the chassis.
Pull the ejector levers outward when most of the LPU is inserted into the slot. See callout 2
3.
in Figure
Push the LPU until the brakes on its ejector levers touch the slot edges tightly.
4.
Continue to push the LPU by its middle part on the front panel until you cannot move it.
5.
Push the ejector levers inward until they come in close contact with the panel. See callout 3
6.
in Figure
Fasten the captive screws to secure the LPU to the interface module adapter. See callout 4
7.
in Figure
Figure 21 Removing a 12900 LPU from the protection box
(1) Loosen the captive screws that secure the LPU to the protection box
(3) Pull the LPU out of the protection box
22.
22.
22.
22.
1
3
2
32
Figure 21.
1
2
(2) Pull the ejector levers
outward