ATEIS IDA8 - Manual (Page 177)

Product Features 177
© 2012 ATEÏS
RU-CTL is a device for audio processor redundancy, the peripherals are connected with RU-CTL not
directly to audio processor. RU-CTL is in charge of switching primary and secondary audio processor to
active one of them. If primary audio processor is active, all signal of peripherals are redirect to primary
audio processor by RU-CTL. RU-CTL monitor the status of the other RUs for switching active audio
processor.
4.2.1.6.2 Front Panel
Secondary Active Indicator:
This LED light up if active system is primary audio processor.
Primary Active Indicator:
This LED light up if active system is secondary audio processor.
Fault Indicator:
This LED light up if the unit is set to be slave, and a short or open is detected on S. WD(Secondary
Watching Dog) port.
Note: If this indicator light up, it means there is an error of the unit, user needs to check wiring of S.
WD connector or replace by a good unit.
Power Indicator:
This LED light up if this unit is power on.
4.2.1.6.3 Rear Panel
Output Contacts:
There are 8 channels for output contacts, each channel consist of three connectors, where "N" is
the number of channel:
P_N: Connect to N th output contact of primary audio processor.
N: N th channel of output contact.
S_N: Connect to N th output contact of secondary audio processor.