IDA8 Global-Net User Manual
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© 2017, ATEÏS, member of PAX ProAV Group
the primary and secondary IDA8 processors and decide which one can be active, and also passes
the decision to next RU units through EXP_OUT terminal. See the table as below.
For example, when RU detects P_WD and S_WD contact are closed, it switches to the
primary.
P_WD
S_WD
RU Switch Over
Close
Close
Primary
Close
Open
Primary
Open
Close
Secondary
Open
Open
Primary
If the RU unit is set as the slave RU unit, it monitors the S_WD which connects to the master RU unit,
resulting in setting the primary or secondary IDA8 processors to be active.
Master/Slave Switch:
A dip switch to set RU-PDC be master or slave. The difference between master and slave please refer
to item "(S_WD) Secondary Watching Dog".
Expansion Power Supply:
Output 24V DC power to next RU-MAIN/PDC/CTL devices.
There are two connectors of this output:
PRI: Connect to Power Supply PRI connector next RU-MAIN/PDC/CTL.
SEC: Connect to Power Supply SEC connector next RU-MAIN/PDC/CTL.
Power Supply:
24V DC power input, which is connect to 24V DC Output of audio processor.
There are two connectors of this input:
PRI: 24V DC power input from primary audio processor.
SEC: 24V DC power input from secondary audio processor.
Configurable Audio I/O:
There are two ports(A/B) for configurable audio I/O, each port contains four channels, each channel
consist of three connectors, where postfix "N" is the number of channel:
P_CH_N: Connect to configurable audio I/O connector of primary audio processor.
CH_N: Connect to audio In/Out equipment.
S_CH_N: Connect to configurable audio I/O connector of secondary audio processor.