Installing The Power Supply Units - UfiSpace S9705-48D Hardware Installation Manual

7 Installing the Power Supply Units
The power supply unit (PSU) is a hot swappable field replaceable unit and can be replaced
while the switch is operating as long as the remaining (second) PSU is installed and in operation
(with 220V power input). The AC and DC PSU follow the same steps for installation. The PSU
comes pre-installed and the following are instructions on how to install a new PSU.
If power input for AC power supply is only 110V, there will only be 1000 watts per power
supply and will not be enough power for the power supply to be changed while the
switch is in operation. In order for AC power supply to be changed while the switch is in
Warning
operation, ensure that 220V power is supplied.
Shock hazard!
Disconnect all power inputs before servicing.
Caution
AC Version:
1. Press and hold down the release tab located on the PSU inward to unlock the old PSU
from the power bay.
2. While holding down the tab, grip the handle located on the PSU and gently pull the old
PSU out of the power bay.
AC Version:
3. Align the new PSU with the power bay, ensuring the PSU's power connector is in the
correct position.
4. Carefully slide the new PSU into the power bay and gently push until it is flush with the
switch case.
5. An audible click will be heard when the PSU is installed correctly. The PSU will not go in all
the way if it is in the wrong direction.
DC Version:
DC Version:
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