DS-8100/7300/7200-S Series DVR Quick Operation Guide
15
Rear Panel
DS-8104-S Rear Panel
No.
Item
Description
1
VIDEO IN
BNC connectors for analog video input.
AUDIO IN
BNC connectors for analog audio input.
2
MAIN VIDEO OUT
BNC connectors for main video out. If VGA is connected when the device is
started up, this interface will be used as the Aux video output with live view and
pop-up alarm picture operations. If VGA is not connected, this interface will be
used as the main video output with local video display and menu operations.
SPOT VIDEO OUT
BNC connector for spot video out.
3
AUDIO OUT
BNC connector for main audio output.
4
USB Interface
Connector for USB devices.
5
LINE IN
BNC connector for audio input.
6
VGA
VGA output. Display local video output and menu.
7
RS-232
DB9 connector for connection to RS-232 devices.
8
LAN Interface
Connector for LAN (Local Area Network).
9
Termination Switch
RS-485 termination switch. ON: not terminated; OFF: connect with
120Ω
termination.
10
eSATA Interface
eSATA interface for storage and backup
11
RS-485 Interface
Connectors for RS-485 devices. T+, T- pin connects to PTZ.
Controller port
D+, D- pin connects 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.
ALARM IN
Connector for alarm input.
ALARM OUT
Connector for alarm output.
12
GROUND
Ground(needs to be connected when DVR starts up)
13
POWER
100~240VAC power supply
