50
Super User's Manual
OH/Fan Fail Indicator
Status
State De
fi
nition
Off
Normal
On
Overheat
Flashing
Fan Fail
OH/Fan Fail LED
Pin De
fi
nitions (JF1)
Pin# De
fi
nition
7
Blue LED
8
OH/PWR Fail/Fan Fail LED
Power Fail LED
The Power Fail LED connection is located on pins 5 and 6 of JF1. Refer to the table below
for pin de
fi
nitions.
Power Fail LED
Pin De
fi
nitions (JF1)
Pin# De
fi
nition
5
3.3V
6
PWR Supply Fail
Power Button
UID LED
NIC1 Active LED
Reset Button
HDD LED
PWR LED
3.3V Stby
3.3V Stby
Ground
19
X
Ground
X
3.3V Stby
20
1
2
Ground
Power Fail LED
NIC2 Active LED
NMI
3.3V
3.3V
OH/PWR Fail/Fan Fail LED
1. Power Fail LED
2. OH/PWR Fail/Fan Fail
LED
1
2
Information LED-UID/OH/PWR Fail/Fan Fail LED
Pin De
fi
nitions (Pin 7 & Pin 8 of JF1)
Status
Description
Solid red
An overheat condition has occurred. (This may be caused by cable congestion).
Blinking red (1Hz)
Fan failure: check for an inoperative fan.
Blinking red (0.25Hz)
Power failure: check for a non-operational power supply
Solid blue
Local UID is activated. Use this function to locate a unit in a rack mount
environment that might be in need of service.
Blinking blue (300 msec)
Remote UID is on. Use this function to identify a unit from a remote location that
might be in need of service.
OH/Fan Fail/PWR Fail/UID LED
Connect an LED cable to pins 7 and 8 of the Front Control Panel (JF1) to use the UID/
Overheat/Fan Fail/Power Fail LED connections. The LED on pin 8 provides warnings of
overheat, power failure or fan failure. Refer to the tables below for more information.
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