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Viola M4BL User Manual - Astra Security Systems Ltd

Viola M4BL User Manual - Astra Security Systems Ltd

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2.2 Back Panel1. Video Input Connectors (1-4)Connect system cameras to these BNC connectors. The internal 75Ωtermination is always ON.2. Audio Input Connectors (AUDIO IN)The RCA connector accepts line-in audio signal supplied from externaldevices such as microphone amplifiers.3. Audio Output Connectors (AUDIO OUT)The connector supplies line-out audio signal to external devices such asspeakers. Recorded audio will be supplied from AUDIO OUT duringplayback.4. Main Video Output Connectors (MAIN VIDEO)Connect TV monitors to the BNC connector for main monitor display.5. VGA Connector (VGA)Connect VGA monitor to the D-SUB 15-pin female connector for mainmonitor display. Please note there won’t be video signal for MAINVIDEO BNC connector if VGA is connected.6. Ethernet ConnectorConnect this unit to a 10/100Base-T Ethernet network through this port.7. USB2.0 Connectors (USB)Connect one of the USB 2.0 connectors to USB mouse. Connect theother USB 2.0 connector to USB 2.0 compatible storage device, such asUSB 2.0 disk drive, DVD+RW, card reader, etc..8. Power Cord Inlet (DC 12V IN)Connect to DC +12V power source.- 9 -

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