H3C Technologies H3C S5820X Series Switches - Manual (Page 26)

16
Figure 10 Power-off and removal procedure
Hot swappable fan trays and cooling system
Fan trays
The H3C S5820X Switch Series uses hot swappable fan trays for heat dissipation. Table 17 describes the
fan trays available for the switch series. For how to install or remove a fan tray, see " Installing/Removing
a fan tray ."
Table 17 Fan tray specifications
Item Specifications
LSWM1FANSC (S5820X-26S)
Fans Two 40 × 40 × 28 mm (1.57 × 1.57 × 1.1 in) fans
Fan speed 18500 R.P.M
Max airflow 45 CFM
Airflow direction
Rear to front (fans blow air from the power module side to the network port
side.)
Input voltage 12 V
Total power consumption
9 W at 25°C (77°F)
32 W at 62°C (143.6°F)
Documentation reference H3C LSWM1FANSC & LSWM1FANSCB Fan Trays Installation
LSWM1FANSCB (S5820X-26S)
Fans Two 40 × 40 × 28 mm (1.57 × 1.57 × 1.1 in) fans
Fan speed 18500 R.P.M
Max airflow 45 CFM
Airflow direction Front to rear (fans draw air from the network side to the power module side.)
Input voltage 12 V
Total power consumption
9 W at 25°C (77°F)
32 W at 62°C (143.6°F)
Documentation reference H3C LSWM1FANSC & LSWM1FANSCB Fan Trays Installation
LSW1FAN (S5820X-28C)
Fan number
• Two 70 × 70 × 25.4 mm (2.76 × 2.76 × 1 in) fans
• Four 40 × 40 × 28 mm (1.57 × 1.57 × 1.1 in) fans
Fan speed
• 70 × 70 × 25.4 mm (2.76 × 2.76 × 1 in) fans: 4700 R.P.M
• 40 × 40 × 28 mm (1.57 × 1.57 × 1.1 in) fans: 9500 R.P.M
Max airflow 150 cubic feet per minute (CFM)
Switch off the
power module Disconnect the
power cord
Remove the
power module
Switch off the
power module Disconnect the
power cord
Remove the
power module