Dahua Technology IVSS, User Manual

Page: 34 / 688

User's Manual
14
No. Name Description
3 RESET button Reserved.
4 HDMI port
High definition audio and video signal output
port. The port outputs the uncompressed high
definition video and multi-channel audio data
to the connected display with HDMI port. The
three HDMI ports are different source output.
5 VGA port
VGA video output port. It outputs analog video
signal. The VGA port and HDMI 1 port are same
source output.
6 RS-232 port
RS-232 COM debug. It is used for general COM
debug, setting IP address, and transmitting
transparent COM data.
7
AUDIO IN Audio input port
AUDIO OUT Audio output port
8 eSATA port
SATA peripheral port. Connects to SATA port or
eSATA device.
9 USB port
Connects to external devices such as USB
storage device, keyboard and mouse.
10 SAS port
SAS extension port. It can connect to the SAS
extension controller.
11 Network port
10/100/1000 Mbps self-adaptive Ethernet port.
Connects to the network cable.
12
Alarm Input
16 groups (1–16) alarm input ports. They are
corresponding to ALARM 1–ALARM 16. The
alarm becomes valid in low level.
●
A and B: Control the A/B cable of the RS–
485 device. It is used to connect to the PTZ
camera. Please connect 120 Ω between A/B
cables if there are too many PTZ decoders.
●
: GND end.
Alarm Output
8 groups of alarm output ports (NO1 C1–NO8
C8). They output alarm signal to the alarm
device. Please make sure there is power to the
external alarm device.
●
NO: Alarm output port of Normally Open
type.
●
C: Common alarm output port.
●
: GND end.