Lorex DHT304 Installation & User Manual page 19

4 channel dvr with audio & n/w & usb
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ALARM INPUT
WARNING OUT
ALARM OUT
1. ALARM INPUT
These terminals are used to connect external motion sensors, door/window contacts, etc.
2. WARNNING OUT
3. ALARM OUT
Send signal to VCR or other devices in Alarm or motion situation.
4. COM
5. RS-485
Connect the PTZ control wires to these terminals
6. GND
7. AC INPUT
Connects to a Power Plug (AC 90-240V, 50/60Hz).
8. POWER S/W
System Power ON/OFF.
1
2
3
4
COM
485+ 485- GND
ALARM OUT
WARNING OUT
COM
GND
RS-485
- 15 -
AC INPUT
POWER S/W

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