Appendix D Cooling System; Hp 5920Af-24Xg Cooling System - HP 5920 Series Installation Manual

Appendix D Cooling system

The cooling system of the HP 5920 and 5900 switches comprises the ventilation holes in the chassis, fan
trays, and built-in fans of hot swappable power supplies. To guarantee that this cooling system can
effectively work, you must consider the site ventilation design when you plan the installation site for the
switches.

HP 5920AF-24XG cooling system

The fan trays in the HP 5920AF-24XG and 5920AF-24XG TAA switches must be the same type:
LSVM1FANSC or LSVM1FANSCB.
When LSVM1FANSC fan trays are used, cool air flows in through the air vents in the fan tray panel
•
and the power supply panels, circulates through the chassis and the power supplies, and exhausts
at the network port side, as shown in
• When LSVM1FANSCB fan trays are used, cool air flows in through the air vents in the network
port-side panel and the power supply panels, circulates through the chassis and the power supplies,
and exhausts through the air vents in the fan tray panels, as shown in
Figure 53 Airflow through the chassis (with LSVM1FANSC fan trays)
(1) Fan tray air vents
(3) Network port-side air vents
Figure 55.
(2) Power supply air vents
53
Figure 56.