5-40
5
Cooling system
To dissipate heat timely and enhance system stability, the switch uses a high-performance cooling
system. Consider the site ventilation design when you plan the installation site for the switch.
The switch uses removable fan trays and provides airflow from the port side to the power supply side
or from the power supply side to the port side by using different types of fan trays. You must install
both fan trays of the same model for the switch.
describes the fan trays available for the
switch.
Table5-1 Fan trays available for the switch
Switch model
Fan tray model
Airflow direction
S5590-28T8XC-HI
S5590-48T4XC-HI
S5590-28S8XC-HI
S5590-48S4XC-HI
S5590-28T8XC-EI
S5590-48T4XC-EI
S5590-28S8XC-EI
S5590-48S4XC-EI
S5590-28P8XC-EI
S5590-48P6XC-EI
LSPM1FANSA-SN
From the power supply side to the port side
LSPM1FANSB-SN
From the port side to the power supply side
Figure5-1 Airflow direction for LSPM1FANSA-SN (S5590-28P8XC-EI)
Figure5-2 Airflow direction for LSPM1FANSB-SN (S5590-28P8XC-EI)