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
Summary of Contents for Origin 3900
Page 1: ...SGI Origin 3900 Server User s Guide 007 4653 001 ...
Page 3: ...007 4653 001 iii Record of Revision Version Description 001 October 2003 Original Release ...
Page 4: ......
Page 12: ......
Page 18: ......
Page 62: ......
Page 65: ...Product Description 007 4653 001 39 Figure 2 1 512 processor Origin 3900 Server ...
Page 76: ......
Page 104: ......
Page 120: ......
Page 172: ......
Page 198: ......
Page 208: ......
Page 254: ......
Page 274: ......
Page 292: ......