H3C S12500 Series Quick Start Manual page 13

NOTE:
On an S12504 switch, install at least one MPU, one interface card, and three switching fabric modules.
On an S12508 or S12518 switch, install at least one MPU, one interface card, and seven switching fabric
modules.
Figure 13 Slot requirements (for the S12504)
(1) MPU slots (with red edges)
(3) Switching fabric module slots (with grey edges)
Figure 14 Slot requirements (for the S12508/S12518)
(1) MPU slots (with red edges)
(3) Switching fabric module slots (with grey edges)
(2) LPU slots (with blue edges)
(2) LPU slots (with blue edges)
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