Monoprice 6660 8-channel Security DVR - Manual (Page 10)

10
Installation and user manual
Rear Panel Connections
(1) RS232
Serial Communication
(2) AUDIO OUTPUT
Audio output
(3) COMPOSITE VIDEO OUT
Composite Video Output
(4) VIDEO IN
16 Camera inputs (1.0v p-p, 75 Ω)
(5) PTZ CAMERA CONTROLLER
Serial Communication for Pan / Tilt Camera
(6) KEYBOARD CONTROLLER
Serial Communication for P/T/Z Control Keyboard
(7) ALARM OUT
Alarm output port
(8) SENSOR IN
16 Sensor input ports
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