AAV-DMUX
Rev. 1
Figure 4 Audio connector configuration.
7.1 GPI Control Connections
Pin
Function
1
Card has correct power.
2
The card has not locked to any input SDI
3
An error has occurred in the de-embedding process
6
Audio 1 signal is invalid.
7
Audio 2 signal is invalid
8
0 volt pin
Most of the alarms are active during an alarm condition, i.e. the transistor conducts.
Pin 1 uses an inverse logic and the transistor conducts while the card has correct
power. This allows the detection of a power failure.
10
gnd
gnd
cold
hot
gnd
cold
hot
gnd
cold
hot
gnd
cold
hot
outputs
1L
1R
2L
2R