Alpha Communication IS543TS Intercom Station with Listen Toggle Switch

The Alpha Communications IS543TS is a universal master intercom station which combines modern styling with ease of operation to provide natural, clear voice communication and monitoring of a remote station. The white, high-impact, ABS plastic faceplate blends with any decor. The advanced circuitry and versatility permits use in a large variety of specialized intercom applications.The patented design of this station allows for connection to popular 5-wire, 4-wire or 3-wire intercom system configurations, with a single model station. A built-in Toggle Switch enables the station to stay in the 'Listen' mode. Simply depressing the 'Talk' button, or depressing the optional model ST-FOOT foot switch will override the 'Listen' mode and place the station in 'Talk' mode. The Door button is not usually used for these applications, but it can be used for another signaling purpose if needed.