H3C Technologies H3C S12500 Series Switches - Manual (Page 11)

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Figure 12 Slot requirements (for the S12508)
(1) MPU slots (with red edges) (2) LPU slots (with blue edges)
(3) Switching fabric module slots (with grey edges)
Installing a card
This section describes how to install an MPU as an example.
To install an MPU:
1. Remove the protective cover before installing an MPU:
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Put on an ESD wrist strap and then loosen the captive screws that fix the MPU to the protective
cover with a Phillips screwdriver.
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Pull the MPU out of the protective cover gently, as shown in Figure 13 .