Samsung Digital Video Recorder SVR-1660C - Manual (Page 37)

Install Manual
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3.2.3 Example of installation structure
3.2.3.1 Basic connection diagram
Connect the cameras, monitors and audio.
3.2.3.2 Extended connection diagram
Connect the cameras, monitors, audio, sensors, relays and other peripherals.
3.2.3.3 External storage and backup connection diagram
Connect a USB memory device or a “Samsung SVS-5E external HDD (eSATA)” unit.