LG LCZ3750-DN Owner's Manual page 11

Part Names and Functions
f
f
Power input terminal
Connect to an external power supply of DC 12V.
g
g
External Device Connectors
• TRX -/+
Connect to an external controller of RS-485
format.
• GND
Common GND.
• Alarm Output Terminal (ALARM)
Connect to the alarm input of an external device.
• COM (Common)
• OSD/D&N
- OSD: Connect the external controller to
control the OSD function manually.
- D&N: Connect the external controller to set
the D&N function manually. If you use the
external D&N function, you should set the
DAY/NIGHT option to EXT on the camera
setup menu.
• FOCUS/ZOOM
Connect the external controller to control the
Focus and Zoom function manually.
11