Lorex Technology QLR1660 Manual do Utilizador descarregar pdf (Página 73)

DIGITAL VIDEO RECORDER

2. External Sensor and Relay Installation

(1) Selection of sensor type

Choose Anode type (When it works, 0 ohm is remained) as a sensor and NO type (Normal Open type. When it works,

0 ohm is remained) as a Relay.

(2) Required Specification of Sensor connecting wire

Connection wire that has small internal resistance is recommended. Please refer to the following.

(1) Number of Sensor: 8 ea

(2) Voltage between sensor input and GND, when sensor input is opened: +5 Volt

(3) Terminal voltage: High = stand by, Low = Activated

(4) Max resistance for activation: 500 Ohm

(3) Example of operation test of external devices including a Light

D-sub type

I/O connector

Cable

QLR1660 card

Video Input/Output

D-Sub Ports

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Lorex Technology QLR1660 Manual do Utilizador Página 73