Amplification and coupling unit

DESIGN VERSIONS  “MAIN” and “01”

Ensure the following::

– Operation as part of SGRI-A package of audible warning and information equipment and as part of other systems, packages, equipment etc.

– Amplification and transmission of speech and special signals from PU-02 Control

Panel and other signal sources;

– Amplification and transmission of audio signals received via Ethernet.

– Generation and transmission of special signals by command received via Ethernet.

– Record of audio signals into internal flash-memory and their reproduction by remote control means via Ethernet.

– Monitoring state of power amplifiers, feeder lines, and acoustic radiators of the package without activation of terminating warning equipment.

– Control of unauthorised access to equipment of the package.

– Monitoring of power supply sources, storage batteries, and 220 V supply voltage availability in the mains.

– Transmission of information about package components upon request via Ethernet.

– Priority of control commands received via Ethernet over PU-02 device.

– Generation and transmission of signal and warning information receipt acknowledgment.

– Possibility of circular and elective transmission of warning signals and emergency information via digital channels (Ethernet).

– Continuous twenty-four-hour operation.

Structurally it is designed as a 19” module 2U high intended for installation into a 19

” telecommunication cabinet;  power is supplied from 27 V DC source or 220 V AC mains depending on design version; number of amplifying channels is 2.

Each channel of the device is designed for connection of 1 to 4 AI-300 acoustic radiators.