Instruction Manual

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DH230: REAR PANEL
1. CAMERA OUT (16 channel only): Port for octopus cable (16-channel models only). Connect up to 16
additional Loop Out monitors.
2. 75 Ohm (16-channel only): Controls the DVR’s impedance when using loop-out monitors. This
prevents the colors connected to loop-out monitors from being "washed out".
3. CAM
ERA IN: Camera input ports for BNC cameras
4. DC 12V: Port for 12V DC 5A (4-channel) / DC 6A (8/16 channel) power supply (included).
5.
ALARM IN: Alarm block to connect external alarm or motion devices (not included).
•
RS422 : Connection block for an RS422 PTZ camera (not included).
6.
LAN: Connect an Ethernet cable to connect the system to a router or switch (not included).
• USB port: connect a USB mouse, USB memory key, or external hard drive.
7.
VGA: VGA port to connect the system to a VGA monitor.
8. HDMI:
HDMI port to connect the system to a HDMI TV/monitor.
NOTE: The HDMI port outputs to a maximum resolution of 1920 x 1080i. However, the recording
resolution is a maximum of 720x480 (D1 resolution). This means that when viewing pre-recorded
video, the image will not display in true HD form.
9.
AUDIO IN (Top port): One 3.5" RCA port (mono) for recording audio from an audio capable
camera (not included).
•
AUDIO OUT (Bottom port): One 3.5" RCA port (mono) for audio output.
10. VIDEO OUT (Top Port): Video output (BNC) to connect the system to a secondary monitor or DVR.
• SPOT OUT: Video output to connect the system to an external monitor (not included). Spot Out mode
displays channels switching in an automatic sequence.
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8 9 10
Rear panel (16-channel model shown)
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