Dahua H Series Manual de inicio rápido - Página 8

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Dahua H Series Manual de inicio rápido

Device Ports

Device ports might vary with different models.
Waterproof all the cable joints with insulating tape and waterproof tape to avoid water damage
and prevent short circuits from occurring. For details, see FAQ manual.
No.
Port Name
A
B
G
I1
I2
I3
N1
1
C1
N2
C2
P
G (close to P)
AUDIO OUT
2
AUDIO IN
1

Introduction

Device ports
Table 1-1 Device ports information
Description
RS-485_A, controls external devices, such as PTZ.
RS-485_B, controls external devices, such as PTZ.
Ground connection of port I1, port I2 and port I3.
Receives the switch signal of external alarm source.
Outputs alarm signal to alarm device.
N1/N2: Normally opened alarm output port.
C1/C2: General alarm output port.
You can only connect N1 to C1, and N2 to C2.
Outputs 12V DC 2W power. P is for positive pole, and G is for
negative pole.
3.5 mm port, and can connect to speaker to output audio
signal.
3.5 mm port, and can connect to sound-pick-up device to
receive audio signal.
1
Quick Start Guide