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Rear Panel Diagram
DS‐7304HFI‐S Rear Panel:
No. Item
MAIN VIDEO OUT
1
SPOT VIDEO OUT
VIDEO IN
2
alarm shop
AUDIO IN
3
LINE IN
4
AUDIO OUT
5
VGA
6
RS-232
7
LAN Interface
8
USB Interface
9
VIDEO LOOP OUT
10
Termination Switch
11
RS-485 Interface
KB Control Interface
12
ALARM IN
ALARM OUT
GND
13
100~240VAC
14
POWER
15
Installation Guide - DS-7300HFI-S Series DVR
2
Description
BNC connector for main video output. If VGA is connected, the MAIN VIDEO
OUT will not function. If VGA is not connected, it is used as the main video output
with local video display and menu operations.
BNC connector for spot monitor. Single window-division view.
BNC connectors for analog video input.
RCA connectors for analog audio input.
RCA connector for audio input.
RCA connector for audio output. This connector is synchronized with VIDEO
OUT.
VGA output. Display local video output and menu.
DB9 connector for RS-232 devices.
Connector for LAN (Local Area Network)
Connector for USB devices.
Connector for video loop output.
Connection
of
120-ohm
OFF=disconnected.
Connectors for RS-485 devices. T+, T- pin connects to PTZ.
D+, D- pin are connected to Ta, Tb pin of controller. For cascading devices, the
first DVR's D+, D- pin should be connected with the D+, D- pin of the next DVR.
Connector for alarm input.
Connector for alarm output.
Grounding(needs to be connected when DVR starts up).
100~240VAC power supply.
Switch for turn on/off the device.
terminator
for
RS-485
bus.
ON=connected;
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