Silicon Graphics SGI Altix 3700 Bx2 User Manual page 134

9: Power Bay
110
The input and output power connectors shown in the rear view picture of the power
supply interconnect with the power bay through a motherboard located inside the power
bay.
Table 9-1 lists conditions of the power supplies and the corresponding states of the LEDs.
Table 9-1 Power Supply LED States
Power Supply Condition
AC voltage not applied to all power supplies
AC voltage not applied to this power supply
AC voltage present; standby voltage on
Power supply DC outputs on
Power supply failure
Current limit reached on 48-VDC output
Predictive failure
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.
LED States
Power PFAIL
(Green) (Amber)
Off Off
Off Off
Blinking Off
On Off
Off Off
On Off
On Blinking
FAIL
(Amber)
Off
On
Off
Off
On
Blinking
Off
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