HP 12500 Series Installation Manual page 9

Figure 2 12504 rear view
(1) Fan tray
(4) Ventilation panel
The 12504 chassis has the following slots and components:
• Two MPU slots and four LPU slots at the front, and four switching fabric module slots at the rear.
One power frame, at the bottom of the chassis, can accommodate up to six power supplies.
•
• One vertically oriented fan tray at the rear of the chassis. For the ventilation direction inside the
chassis, see "Preparing for installation."
(2) Power entry module (PEM)
(5) ESD-preventive wrist strap port
3
(3) Grounding screw
(6) Switching fabric module slots (slots 6 to 9)