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S
S
UPER
ERVER 6025W-NTR+ User's Manual
Alarm Reset
If three power supplies are installed,
the system can notify you when any of
the three power modules fail. Connect
JAR to a micro-switch to enable you
to turn off the alarm that is activated
when a power module fails. See the
table on the right for pin defi nitions.
Power SMB (I
2
C) Connector
The power SMB (I
called SMBUS, monitors the status
of the power supply, fan and system
temperature. See the table on the
right for pin defi nitions.
SMB
A System Management Bus header
is located at SMB. Connect the ap-
propriate cable here to utilize SMB
on your system.
Overheat LED/Fan Fail (JOH1)
The JOH1 header is used to connect
an LED to provide warning of chassis
overheating. This LED will blink to in-
dicate a fan failure. Refer to the table
on right for pin defi nitions.
2
C) connector,
OH/Fan Fail LED
State
Solid
Blinking
5-18
Alarm Reset Header
Pin Defi nitions (JAR)
Pin Setting
Defi nition
Pin 1
Ground
Pin 2
+5V
PWR SMB Header
Pin Defi nitions (SMBUS)
Pin#
Defi nition
1
Clock
2
Data
3
PWR Fail (Input from PS to MB)
4
Ground
5
+3.3V
SMB Header
Pin Defi nitions (SMB)
Pin#
Defi nition
1
Data
2
Ground
3
Clock
4
No Connection
Overheat LED
States
Pin Defi nitions (JOH1)
Message
Pin#
Defi nition
Overheat
1
5vDC
Fan Fail
2
OH Active
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