Supero SuperServer 1025C-M3, User Manual

Page: 52 / 110

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S
UPER
S
ERVER 1025C-M3 User's Manual
Alarm Reset
If redundant power supplies are
installed and the Power Supply Fail
Detect jumper (JPWF1) is enabled,
the system will notify you when a
power module fails. Connect JAR to
a micro-switch to enable you to turn
off the power fail alarm. See the table
on the right for pin defi nitions.
Alarm Reset Pin Defi nitions
(JAR)
Pin Setting Defi nition
Pin 1 Ground
Pin 2 +5V
PWR I
2
C
This connector is for I
2
C, which may
be used to monitor the status of the
power supply, fan and system tem-
perature. See the table on the right for
pin defi nitions.
PWR I
2
C
Pin Defi nitions
Pin# Defi nition
1 Clock
2 Data
3 Power Fail
4 Ground
5 +3.3V
BPI
2
C
This connector provides backpanel
access for I
2
C, which may be used to
monitor the status of the power supply,
fan and system temperature. See the
table on the right for pin defi nitions.
BPI 2 C
Pin Defi nitions
Pin# Defi nition
1 Clock
2 Data
3 Power Fail
4 Ground
5 +3.3V
Power Supply Fail Detect
Connect a cable from your power sup-
ply to JPWF1 to provide warning of
power supply failure. This warning sig-
nal is passed through the PWR_LED
pin to indicate of a power failure on the
chassis. See the table on the right for
pin defi nitions.
Note: This feature is only available when us-
ing Supermicro redundant power supplies.
PWR Supply Fail Detect
Pin Defi nitions (JPWF1)
Pin# Defi nition
1 PWR 1: Fail
2 PWR 2: Fail
3 PWR 3: Fail
4 Signal: Alarm Reset