Galaxy Flex Installer Manual Appendix G: Peripherals237Audio interface moduleUsing the optional audio interface module you can link two audio channels to provide audioverification following an alarm activation. This verification in the form of recorded or liveaudio captured from the area of the alarm activation is transmitted to the Alarm ReceivingCentre, along with the alarm signal. If setup, it is possible for the operator at the receivingcentre to talk back to the site. The audio channel can be assigned to more than one zone.The Audio Interface Module is connected to the system via the RS485 line. Up to threespeaker-mic devices, such as the TP800, can be connected to each audio channel.PHONELINEA B ABTelecomSocketTelecomConnectSKT1Debug HeaderLK4LK3GND+12VGNDSPARE AUDIOA B A BPANELPL3PL6 CMD 2TMP 2SPK 2MIC 3GND+4.5VCMD 1TMP 1SPK 1MIC 1LK2F1 PL2Jumper leadRS485terminationEngineer HeaderAudio BusRS485AudioBusEngineer HeaderRS485 lineControl PanelRS485 lineOff-wall TampermicroswitchFuse for+4.5VAudio ChannelTerminals (2)Audio ExpansionHeaderDiagnosticLED'sSW3NOTE: Audio ExpansionHeader is not currentlyused - it is for futureproduct development.Figure 15 Audio Interface Module PCB layoutAddressingThe Audio Interface has a fixed module address.MountingThe module can be mounted as follows: inside the panel in one of the peripheral mounting spaces. inside a standard RIO box separate from the control panel.
