IDA8 Global-Net User Manual
148
© 2017, ATEÏS, member of PAX ProAV Group
: The IDA8 redundancy unit for auxiliary audio IN and OUT contacts with paging
console & telephone line interface.
3.2.1.1
RU-MAIN
RU-MAIN device is a device supplied with full-redundancy for audio processor. It 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 shall be directed to the primary audio processor. RU-MAIN device is also
capable to monitor the status of audio processor. If primary audio processor breaks down, RU-MAIN
device will detect automatically and switch to secondary audio processor.
3.2.1.1.1 Front Panel
Secondary Active Indicator:
This LED lights up if secondary audio processor is active.
Primary Active Indicator:
This LED lights up if primary audio processor is active.
Fault Indicator:
This LED lights up if the unit is set to be slave, and a short or open is detected on S. WD (Secondary
Watching Dog) port.