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The RIO1S from Bogen is a Relay Input/Output Module for the Power Vector amplification system. This module has priority-controlled relay circuit, transformer-balanced input/output and RJ11 output for override control of a zone paging system. The RIO1S makes its simple to integrate a Power Vector amplifier with a PCM zone paging system.
600 ohms or 10 kOhms (jumper selectable) input