Trombon VP Calling Panel for Two-Way Communication in Fire Alarms

The call panel "Trombon - VP" is installed in the fire alarm zone and is designed to organise two-way voice communication with the selector unit "Trombon BS-16" installed at the dispatch post. Power supply of the fire alarm system is carried out through the communication line from the selector unit. On one zone of the selector block "Trombon BS-16" it is possible to connect one main call panel and one duplicate call panel. To connect Trombon VP to Trombon BS-16 cable 2x2x0.2.