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Power Bay
007-4653-001
151
Table 9-1 lists conditions of the power supplies and the corresponding states of the LEDs.
Each power supply also contains a serial ID EEPROM that identifies the model and serial
number of the supply. The L1 controller of a connecting module reads this information.
Table 9-1
Power Supply LED States
LED States
Power Supply Condition
Power
(Green)
PFAIL
(Amber)
FAIL
(Amber
)
AC voltage not applied to all power supplies
Off
Off
Off
AC voltage not applied to this power supply
Off
Off
On
AC voltage present; standby voltage on
Blinking
Off
Off
Power supply DC outputs on
On
Off
Off
Power supply failure
Off
Off
On
Current limit reached on 48-VDC output
On
Off
Blinking
Predictive failure
On
Blinking
Off
Содержание Origin 3900
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