H3C Technologies H3C S5560 Series Switches - Manual (Page 32)

23
Removing a fan tray
WARNING!
•
Do not touch conductors or terminals on the fan trays.
• Do not place the fan tray in moist place. Prevent liquid from entering the fan tray.
• Fan trays with faulty internal wiring and conductors require maintenance from maintenance engineers.
Do not disassemble the faulty fan trays.
To remove a fan tray:
1. Wear an ESD wrist strap and make sure it makes good skin contact and is correctly grounded.
2. Grasp the two handles of the fan tray, as shown by callout 1 in Figure 28 , and pull out the fan tray
slowly along the guide rails.
3. Put the removed fan tray in an antistatic bag.
Figure 28 Removing a fan tray
Installing/removing a power module
WARNING!
In power redundancy mode, you can replace a power module without powering off the switch but you
must strictly follow the installation and procedures in
Figure 29 and Figure 30 to avoid any bodily injury
or damage to the switch.
CAUTION:
Provide a circuit breaker for each power module.
Figure 29 Installation procedure