Dahua DH-HAC-HF3231E, Руководство пользователя

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8
Port Name Port Function
G
GND Ground port.
D/N
External trigger
day/night switch
External control signal input, control ICR
switch, and realize day/night conversion.
Note:
The day/night mode in this OSD menu needs
To select external trigger high level or
External trigger low level, connect control
signal to D/N port and G port respectively. If it
5V to D/N port, day/night mode
selects external trigger high level and the
camera is switched from color to black/white.
NC
Alarm input GND
port.
GND
NO Alarm input port
Receive the signal of external alarm source.
GND port
Please connect the port to ground when
using the device, which is to avoid lightning
stroke and other problems.
AC 24V /
DC 12V
Power port
It can input both 12V DC and 24V AC.
AUDIO
Mic audio input Sound pick-up audio input.
Indicator light
System state
indicator light
Dual-color indicator light, the green light is on
after normal boot with power on, it outputs
HD by default; the red light is on after it is
switched to SD; the green light is on after it is
switched to HD again.
VIDEO OUT
Video output
port
Coaxial transmission video, audio, 485
control signal, need to connect to back-end
HCVR to control.
5-direction
button
OSD button
Refer to sheet 2-1.
Sheet 2-4
Note:
Please refer to model A for other port name and functions.