LG LPT-OS551HQ Manual de usuario Pagina 17

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System Connection
To Alarm sensor
1 ALARM IN 1 Brown
Blue
Yellow
Green
Red
Black
Orange
White
2 ALARM IN 2
3 GND
4 TRX D-
5 TRX D+
6 GND
7 ALARM IN 3
8 ALARM IN 4
RS-485 Connection
TXD —
TXD +
To Alarm sensor
Controller
DVR
Alarm In #1
Adapter
(Supplied)
Alarm In #3
Alarm In #4
Alarm In #2
RS-485 Connection
(TRX D+, TRX D-)
RS-485 Connection
(TRX D+, TRX D-)
Note: When any peripheral is turned off and turned on again, the camera is also turned off
and turned back on.
Adapter Connections
The adapter is used to connect to another camera, alarm sensor, or controller with RS-485 protocol, etc.
Caution: Do not connect the alarm connectors to the another camera’s alarm connectors.
Caution: Connect the supplied
termination adapter to the final
camera’s data port to prevent the
RS-485 communication error.
LPT-OS553HQ_ENG_6602 7/19/07 2:08 PM Page 17
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