46
Appendix D Cooling system
To dissipate heat timely and ensure system stability, the switch uses the front-rear air aisle cooling
system. Consider the site ventilation design when you plan the installation site for the switch.
Table 36 Cooling system for the switch
Switch model
Available fan trays
Airflow direction
S6890-54HF
S6890-30HF
LSWM1FANSA
From the power supply side to the port side
LSWM1FANSAB
From the port side to the power supply side
S6890-44HF
LSPM1FANSA
From the power supply side to the port side
LSPM1FANSB
From the port side to the power supply side
Figure 46 Airflow from the power supply side to the port side (LSWM1FANSA)(S6890-54HF)
Figure 47 Airflow from the port side to the power supply side (LSWM1FANSAB)(S6890-54HF)