Installation guide

19
1. Wear an ESD wrist strap and make sure it makes good skin contact and is reliably grounded.
2. Loosen the captive screw of the fan tray with a Phillips screwdriver until it is fully disengaged from
the switch chassis.
3. Grasp the handle of the fan tray with one hand and pull the fan tray part way out the slot. Support
the fan tray bottom with the other hand, and pull the fan tray slowly along the guide rails out of the
slot.
4. Put away the removed fan tray in an antistatic bag for future use.
Installing/removing a power supply
W
ARNING!
• Do not install AC and DC power supplies on the same switch.
• Provide a circuit breaker for each power supply and make sure the circuit breaker is off before
installation.
• In power redundancy mode, you can replace a power supply without powerin
g
off the switch but mus
t
strictly follow the installation and procedures in Figure 17 and Figure 18 to avoid any bodily injury or
damage to the switch.
The switch comes with both power supply slots empty and filler modules for the slots as accessories.
You can install one power supply, or two power supplies for redundancy on the switch. For more
information about the power supplies available for the switches, see "Power supplies."
Figure 17 Installation pr
ocedure
Figure 18 Removal procedure
NOTE:
HP A58x0AF 650W AC power supply is referred to as 650W AC power supply and HP A58x0AF 650
W
DC power supply is referred to as 650W DC power supply throughout this installation guide.