Avtech AVC799B User Manual page 65

For 8CH Model
PIN FUNCTION
1
GND
2~5
ALARM INPUT
6 ~ 11
PIN OFF
12
RS485-A
13
EXTERNAL ALARM NO.
14
PIN OFF
15~18
ALARM INPUT
19~23
PIN OFF
2
RS485-B
4
25
EXTERNAL ALARM COM
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.
GROUND
Connect ALARM INPUT (PIN 2 – 5) and GND (PIN 1) 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 2 1 CH1
PIN 3 3 CH3
PIN 4 5 CH5
PIN 5 7 CH7
*
NA
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.
NA
Connect ALARM INPUT (PIN 15 – 18) and GND (PIN 1) 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 15 2 CH2
PIN 16 4 CH4
PIN 17 6 CH6
PIN 18 8 CH8
*
NA
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.
59
APPENDIX 2 PIN CONFIGURATION
DESCRIPTION