Avtech AVC794B, Руководство пользователя

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APPENDIX 2 PIN CONFIGURATION
56
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For 4CH Model
Siren:
When the DVR is triggered by alarm or motion, the COM
connects with NO and the siren with strobe starts wailing and
flashing.
Magnetic Contact:
When the magnetic contact is opened, the alarm will be
triggered and the recording is on.
PIN FUNCTION DESCRIPTION
1~4
ALARM INPUT
Connect ALARM INPUT (PIN1 – 4) and GND (PIN5) connector with wires. Once an alarm is
triggered, the DVR will start recording and the buzzer will be on.
PIN Alarm Corresponding video channel
PIN 1 1 CH1
PIN 2 2 CH2
PIN 3 3 CH3
PIN 4 4 CH4
*
5
GND GROUND
6
EXTERNAL ALARM COM
Under the normal operation, COM disconnects with NO. But when any alarm is triggered,
COM connects with NO.
Attention: The voltage restriction is under DC24V 1A.
7
EXTERNAL ALARM NO
Under the normal operation, COM disconnects with NO. But when any alarm is triggered,
COM connects with NO.
Attention: The voltage restriction is under DC24V 1A.
8
RS485-A
9
RS485-B
10~11
GND GROUND