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IV. Hardware Setup
IV
. Hardware Setup
AP8000 Hardware Reference Guide
Power Module Rating
The redundant power supply consists of one frame and two identical ATX
power modules. The power supply must be turned on or off through an
ATX power switch connected to the motherboard’s panel connector. The
power modules are rated at 400W each and have passive current sharing on
all outputs. Each power module supplies up to 400W to share the load but
two modules combined do not provide 800W. If one power module fails,
400W load is supported using one power module.
Before turning ON your server for the first time, set the power
supply’s voltage. Some products may have auto voltage switch-
ing to accommodate 220V-240V or 110-120V but this power
supply must be set manually. The factory default should be on
230V to accommodate the higher voltage but it is safer to visu-
ally inspect the switch yourself in case it is not. Using the power
modules set on 115V in 230V environments may cause damage
to the power modules.
CAUTION
Power Module Failure
If any of the power modules fails to provide a voltage on any of its outputs,
an audible alarm (located in the frame) will sound and the failed power
module’s LED will turn OFF. The power module’s status LED lights when
both input and output voltages are stable and darkens if either the input or
output voltages fail. If the alarm sounds, perform the following steps:
1. Remove the power cord to the failed power module (with dark LED).
2. Remove the two screws and slide the failed power module out. The
alarm should stop. If not, there may be a problem with the other module
or with the redundant power supply frame (very unlikely).
3. Reinsert the failed power module and plug in the AC cord to confirm.
4. If the alarm sounds again, remove the failed power module and replace
it with a good one as soon as possible.
For countries using 110V-120V, you must slide the switch to 115V
or else power up is not possible (but no damage will occur).
IMPORTANT
Power Supply Info