Dahua DH-HAC-HF3231EP Manual del usuario - Página 8
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Please refer to sheet 2-1 for rear panel structure function of model A.
Port Name
AC
24V/
Power port
DC 12V
Indicator
Red light
light
Green light
Yellow light
IN
ICR external trigger
NO
Alarm output normal
open contact
C
Alarm output public
contact
G
GND
A
RS485 port
B
NA
N/A
RX
TX
Reserved port
G
RESET
Reset button
Video/audio/control
HDCVI
composite port
Microphone
MIC IN
input
5-direction
OSD button
button
GND port
Please refer to Figure 2-5 for the rear panel of model B.
Port Function
Power port.
Connect to AC 24V/ DC 12V.
Power light. The light is on after system boots
up.
Hardware indicator light. The light becomes
on after system successfully loads the
hardware part.
HD/standard definition indicator light. The
light is off when system is using the HD
output. The light is on when system is using
standard definition.
Connect to external on-off output to control
ICR switch to realize day/night mode switch.
On-off signal alarm output.
On-off signal alarm output.
Ground end.
RS485_A port. Connect to DVR or RS485
configuration tool to set video parameters.
RS485_B port. Connect to DVR or RS485
configuration tool to set video parameters.
Reserved
For R&D use only.
Press it for five seconds, system can reload
again and restore factory default setup.
Send video stream/audio stream/control data
stream conforming to HDCVI specifications.
audio
Audio input from the pickup.
Press the middle button for five
seconds to switch HD/standard
definition mode.
Press the middle button shortly to go to
the OSD menu interface.
After you go to the menu, click the
middle button to confirm current
operation. Move the up/down button to
select menu item and use left/right
button to set parameter value.
Before you use this series product, please
make sure it has been soundly grounded in
case there is a risk of thunder strike.
Sheet 2-1
4