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14
Precautions
•
The connections should be made by qualified
service personnel or system installers in accor-
dance with all local codes.
•
DC 12V can be used.
Note:
When powered up, the unit performs a
self-check (including one panning, tilting, zooming
and focusing operation).
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 mm
2
).
Connections
Connection Preview
Video output
BNC plug
Ethernet cable
Ethernet cable
DC 12V cable for Camera
DC 12V
data port
data port
LPT-OS553HQ_ENG_6602 7/19/07 2:08 PM Page 14