17
Connections
Connections
Model LCP2840-DN/DP is used for the description,
operation and details provided in this operating guide.
Precautions
• The connections should be made by qualified
service personnel or system installers in
accordance with all local codes.
• DC 12 V can be used.
Note:
When powered up, the unit performs a self-check
(including one panning, tilting, zooming and
focusing operation).
Connection preview
DC 12 V cable for
Camera
DC 12 V
Video output
data port
data port
Ethernet cable
Ethernet cable
BNC plug
RS-485 connection
Use the cable that is described below for RS-485 site
communication.
• Shielded, twisted pair cable
• Low impedance
• Wire gauge size is thicker than AWG #22 (0.33 mm²).
Connecting monitor
The video signal connection between the camera and
the monitor.
Connecting power source
Connect a DC 12 V power source to the power input
terminal.
ALARM IN connections
Connect external sensors to the 8-pin haness
connector. Each alarm sensor should be connected
with G (GND). Input specifications are low-active, non-
voltage contact (ON when active) or open collector
(Low when active).
Cautions
• Alarm input connection must be connected to only
one port of two communication ports.
• Do not connect one alarm sensor to the several
camera’s alarm input connector.
