Chapter 2: Installation
2-15
3rd Power Supply Alarm
Header
Connect a cable from your power
supply to JPWF to provide you with
warning of a power supply failure.
The warning signal is passed through
the PWR_LED pin to indicate a power
failure. See the table on the right for
pin defi nitions.
3rd Power Supply
Alarm Header
Pin Defi nitions (JPWF)
Pin# Defi nition
1 P/S 1 Fail Signal
2 P/S 2 Fail Signal
3 P/S 3 Fail Signal
4 Reset (from MB)
Note: This feature is only available when using
redundant power supplies.
Power Fail Alarm Reset
Header
Connect JAR to the alarm reset but-
ton on your chassis (if available) or to
a microswitch to allow you to turn off
the alarm that sounds when a power
supply module fails. See the table on
the right for pin defi nitions.
Alarm Reset Header
Pin Defi nitions (JAR)
Pin# Defi nition
1 Ground
2 Reset Signal
Compact Flash Power
Header
A Compact Flash Card Power header
is located at JWF1. For the Compact
Flash Card to work properly, you will
fi rst need to connect the device's power
cable to JWF1 and correctly set the
Compact Flash Jumper (JCF1).
Compact Flash
Power Header
Pin Defi nitions (JWF1)
Pin# Defi nition
1 +5V
2 Ground
3 Signal
Chassis Intrusion
A Chassis Intrusion header is located
at JL1. Attach the appropriate cable
to inform you of a chassis intrusion.
Chassis Intrusion
Pin Defi nitions (JL1)
Pin# Defi nition
1 Battery voltage
2 Intrusion signal
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