Intel® Server System S7000FC4UR TPS 1570W Power Supply
Revision 1.0
89
10.2.9 Power Supply Module LED indicators
10.2.9.1 Power Supply Fail
This amber LED is driven by internal circuitry and will illuminate when a power rail has failed.
The LED should not be illuminated if the supply turns off due to PS_KILL. The LED will
illuminate even if the power supply is in a latched state. The only time (during a fault) when it will
not illuminate is when the +3.3VSB is lost.
10.2.9.2 Power Good
This green LED is driven by internal circuitry and will illuminate whenever PWRGD is asserted.
10.2.9.3 AC OK
This green LED is driven by internal circuitry and will illuminate whenever VIN_GOOD is
asserted.
10.3 Regulatory Agency Requirements
The power supply must have UL recognition, CSA or cUL certification to Level 3, or any
NORDIC CENELEC-certified (such as SEMKO, NEMKO or SETI) markings demonstrating
compliance. The power supply must also meet FCC Class B, VDE 0871 Level B, and CISPR
Class B requirements.
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