Konig Electronic Digital video recorder with built-in 1 TB hard disk - Manual (Page 8)

ENGLISH
8
2�2 4CH DVR Rear Panel
Item Physical port Connection method
1 Video input Connect video input device (BNC
interface)
2 Video output Connect monitor output(BNC interface)
3 Audio Input 4CH audio input (RCA interface)
4 Audio Output Audio output (RCA interface)
5 USB Port Connect USB device (Flash Drive, Hard Drive and
Recorder etc)
6 HDMI Port Connect to HDMI device
7 VGA Port Connect to VGA monitor, such as PC monitor
(Optional)
8 RS-485/Sensor/Alarm RS485/Sensor/Alarm interface (see pin outs below)
9 Power Port Connect power supply - DC 12 V 3 A
10 Ethernet: Port Connect LAN, Ethernet (RJ45 interface)
11 Power Switch Turn Power on and off
RS485/Sensor/Alarm port functions:
Alarm input: Connect [-] port of your sensor to G (GND) pin, and [+] port to channel input
according to the alarm device you purchased.
Alarm output: Connect to the two ports marked with “out”
PTZ Port: Connect your camera to RS-485A and RS485B accordingly.
(other models may vary slightly)