
The following table provides an overview of the power supply units (PSUs) for
managed switches and the models in which they are supported.
Install an additional power supply unit
In models with more than one power supply bay, you can install an additional
1. Pull out the cover plate from the power module bay in which you want to
insert the additional PSU.
AC OK LED. All PSUs provide one AC OK
LED. During normal operation, this LED
lights green to indicate that the PSU is
DC OK LED. Model APS150W also provides
one DC OK LED. During normal operation,
this LED lights green to indicate that the DC
outputs are within regulation limits.
NETGEAR Power Supply Unit
APS150W, APS250W, APS299W, APS550W, APS600W,
APS750W, APS1000W, and APS1200W
• Power cord (varies by region)
2. Insert the additional PSU into the power module bay, and gently push the
CAUTION: When inserting the PSU, do not use unnecessary force. Doing so
can damage the connectors on the back of the PSU and on the midplane.
3. Connect the end of the power cord to the power receptacle on the PSU.
4. Plug the AC power cord into a power source such as a wall socket or power
When you apply power, the AC OK LED on the PSU lights. The LED on the
switch for the power supply bay also lights. If these LEDs do not light, make
sure that the power cord is plugged in and that the power source is good.
Replace a power supply unit
In models with more than one PSU, the PSUs are hot-pluggable.
1. If your switch functions with a single PSU only, disconnect the power cord
from the PSU and let the switch power down.
If your switch functions with more than one PSU, you do not need to power
down the switch and you can perform a hot swap.
2. Remove the PSU from the power module bay by moving the orange release
latch to the left and pulling the extraction handle.
3. Insert the replacement PSU into the power module bay, and gently push the
PSU into the bay until the latch locks.
CAUTION: When inserting the PSU, do not use unnecessary force. Doing so
can damage the connectors on the back of the PSU and on the midplane.
4. Connect the end of the power cord to the power receptacle on the PSU.