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H8DC8/H8DCi User's Manual
CD1 Header
The 4-pin CD1 header allows you to
use the onboard sound for audio CD
playback. Connect the audio cable
from your CD drive to this header.
See the table on the right for pin
defi nitions.
AUX1 Header
AUX1 is an additional (different stan-
dard) header allows you to use the on-
board sound for audio CD playback.
Connect the audio cable from your CD
drive to this header. See the table on
the right for pin defi nitions.
3rd Power Supply Alarm
Header
Connect a cable from your power
supply to JP10 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.
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.
Pin Defi nitions
Pin#
Defi nition
1
Right Signal
2
Ground
3
Ground
4
Left Signal
Pin Defi nitions
Pin#
Defi nition
1
Right Signal
2
Ground
3
Ground
4
Left Signal
3rd Power Supply
Alarm Header
Pin Defi nitions (JP10)
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.
Alarm Reset Header
Pin Defi nitions (JAR)
Pin#
1
2
2-14
CD1
AUX1
Defi nition
Ground
Reset Signal
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