H3C Technologies H3C S12500 Series Switches - Manual (Page 106)

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Figure 85 S12518 rear view
(1) Power receptacles (2) Upper fan tray
(3) Switching fabric module slots (slots 20 to 28) (4) Lower fan tray
(5) Grounding screw
(6) ESD wrist strap port
(7) Chassis air exhaust vents (8) Power switch
(9) Power supply air exhaust vents (10) Power monitoring module