User manual

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APPENDIX A: D-SUB CONNECTOR PIN CONFIGURATION
A.2 DMR41DVD 25-pin D-sub connector conguration
Siren: When the DVR is triggered
by alarm or motion, the COM
connects with NO and the siren
with strobe starts wailing and
ashing.
Magnetic Contact: When the
magnetic contact is opened, the
alarm will be triggered and the
recording is on.
Table 11. 25-pin D-sub conguration for DMR41DVD
Pin Function Description
1 GND GROUND
2~5 ALARM
INPUT
Connect ALARM INPUT (pin 2 – 5) and GND (pin 1) connector with wires. When an alarm is
triggered, the DVR will start recording and the buzzer will be on.
Pin 2 is Alarm 1. When the alarm is triggered, DVR CH1 will start alarm-triggered recording.
Pin 3 is Alarm 3. When the alarm is triggered, DVR CH3 will start alarm-triggered recording.
Pin 4 is Alarm 5. When the alarm is triggered, DVR CH5 will start alarm-triggered recording.
Pin 5 is Alarm 7. When the alarm is triggered, DVR CH7 will start alarm-triggered recording.
6 ~ 12 PIN OFF NA
13 EXTERNAL
ALARM NO.
During normal operation, COM disconnects with NO. But when any alarm is triggered, COM
connects with NO. Attention: Voltage and current must be < 24 V DC @1A.
14 PIN OFF NA
15~18 ALARM
INPUT
Connect ALARM INPUT (pin 15 – 18) and GND (pin 1) connector with wires. When an alarm is
triggered, the DVR will start recording and the buzzer will be on.
Pin 15 is Alarm 2. When the alarm is triggered, DVR CH2 will start alarm-triggered recording.
Pin 16 is Alarm 4. When the alarm is triggered, DVR CH4 will start alarm-triggered recording.
Pin 17 is Alarm 6. When the alarm is triggered, DVR CH6 will start alarm-triggered recording.
Pin 18 is Alarm 8. When the alarm is triggered, DVR CH8 will start alarm-triggered recording.
19~24 PIN OFF NA
25 EXTERNAL
ALARM COM
During normal operation, COM disconnects with NO. But when any alarm is triggered, COM
connects with NO. Attention: Voltage and current must be < 24 V DC @ 1A.