H3C S12500 Installation Instructions Manual page 10

Figure 1-2 S12508 rear view
(1) Lower fan tray slot
(3) Power entry module slot
(5) System air exhaust vents
(7) Cover plate
(9) System air intake vents
The S12508 provides two MPU slots, eight LPU slots, and nine switching fabric module slots.
The chassis top provides one power frame to accommodate up to six PSUs.
The rear of the chassis has two fan trays into which fans can be inserted horizontally. The fan on
top exhausts warm air and the one below it draws in fresh air.
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（6）
（7）
（8）
（9）
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(2) Upper fan tray slot
(4) Power air exhaust vents
(6) Switching fabric module slots (slots 10 to 18)
(8) Air filter
(10) Grounding screw
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