74. REAR PANEL CONNECTORSSDC4 (4 CHANNEL DVR) REAR PANEL CONNECTORS1. DC 12V 12V DC power jack.2. VIDEO OUT MAIN/SPOT monitor (BNC Video output).3. VIDEO IN Camera inputs (BNC Video input).4. AUDIO IN Phono input (For Channel 1).5. AUDIO OUT Phono output (For Channel 1).6. VGA VGA port.7. USB For mouse connection.8. RS-485 RS485 for PTZ Control.9. LAN Network Ethernet port.1 2 5 6 7 8 93 4