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Connections
Model LT303N/P is used for the description, operation
and details provided in this operating guide.
Precautions
•
The connections should be made by qualified ser-
vice 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 focus-
ing operation).
Connection preview
LT303P-B.HAP_ENG_MFL66987622.ind19 19
DC 12 V cable for
DC 12 V
Camera
Video output
BNC plug
data port
Ethernet cable
data port
Ethernet cable
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 connec-
tor. Each alarm sensor should be connected with G
(GND). Input specifications are low-active, non-volt-
age 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.
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2011.1.4 6:49:2 PM
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