Manual

4 Channel DVR User Guide

2. REAR PANEL

Figure 2.1. Rear Panel

Rear panel connections

TITLE Description

VIDEO IN Four connectors for video input(NTSC/PAL).

VIDEO OUT Composite video output in NTSC/PAL format

AUDIO IN Four connectors for audio input(line level).

AUDIO OUT One connector for audio output(connect a headphone or a speaker).

VGA Connector for VGA monitor

RS-232 For engineering use only

RS-485/422 For camera control use

SENSOR Connector for sensor device connection. 4 sensors can be connected to the

equipment sensor 1, 2, 3, 4 are dedicated to Video channel 1, 2, 3, 4,

respectively. Either normal open (NO) or normal close (NC) sensor can be

selected for each sensor. Simple On/Off switching.

ALARM Connector for alarm device connection. Provides simple On/Off switching

using relay. 0.5A/125V, 300mA/30V

LAN RJ45 connector for LAN connection

DC12V Apply 12V DC using the DC adaptor supplied with the equipment.

SWITCHES : NTSC/PAL, BNC/VGA Select switch

VGA Selection of VGA monitor or Composite monitor

PAL Video type selection of NTSC or PAL