Each AC power
supply unit (PSU) has an illuminated translucent handle that serves
as an indicator to show whether power is present or whether a power
fault has occurred. The AC PSUs must be connected to a Power Distribution
Unit (PDU) or to an electrical outlet. Figure 1. PSU indicators
AC PSU status indicator/handle
NOTE: The 2000
W PSU power cable connector is different from the connector shown
in the image above.
The PSU indicators provide the following
information:
Table 1. PSU indicatorsItem A shows the power indicator in green, that
indicates a valid power source is connected to the PSU and the PSU
is operational. Item B shows the power indicator in flashing amber,
that indicates a problem with the PSU. Caution. When correcting a
PSU mismatch, replace only the PSU with the flashing indicator. Swapping
the other PSU to make a matched pair can result in an error condition
and unexpected system shutdown. To change from a High Output configuration
to a Low Output configuration or vice versa, you must power down the
system. Caution. AC PSUs support both 220 V and 110 V input voltages
with the exception of Titanium PSUs, which support only 220 V. When
two identical PSUs receive different input voltages, they can output
different wattages, and trigger a mismatch. Caution. all power supplies
used must be of the same type and have the same maximum output power.
Item C shows the power indicator as not lit, that indicates the power
is not connected.
Convention
Power indicator pattern
Condition
A
Green
In standby mode, the handle lights green indicating
that a valid power source is connected to the PSU and that the PSU
is operational.
B
Flashing amber
Indicates a problem with the PSU.
CAUTION: When
correcting a PSU mismatch, replace only the PSU with the flashing
indicator. Swapping the opposite PSU to make a matched pair can result
in an error condition and unexpected system shutdown. To change from
a High Output configuration to a Low Output configuration or vice
versa, you must power down the system.
CAUTION: AC power
supplies support both 220 V and 110 V input voltages. When two identical
power supplies receive different input voltages, they can output different
wattages, and trigger a mismatch.
CAUTION: All
power supplies used must be of the same type and have the same maximum
output power.
NOTE: The FX2 chassis supports only PSUs with a rated capacity of 1100 W, 1600 W, 2000 W, or 2400 W.
Flashing green and turns off
When hot-adding a PSU, the PSU handle flashes green five times then turns off. This indicates a PSU mismatch.
C
Not lit
Power is not connected.
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