User ManualTable of ContentsSYSTEM DESCRIPTIONS4Series 115B4Series 2223R & 2233R4LPC4 Loop Priority Control Option5MCP-EXP Input Expander Option5ASF4 Alarm-Signaling Option6PBA3 Push-Button Alarm Panel Option6CPP Handset Communication Option6Connections6Operation6Receiving a Call From a Staff Station6Calling a Staff Location7Calls Between Staff Stations7SCT Six-Circuit Time Signaling Option8TWK351/4 Two-Wire Call-in Options9INSTALLATION10Accessory Connector10Interconnections10Phantom Power11MIC1 Monitor Mute11Size: 350 KBPages: 12Language: EnglishOpen manual