NV7204H

Special Notice:

Each channel max supports CIF resolution, all-real-time recording;

4 channels video input and 1 channel audio input;

VGA output, monitor video output and auxiliary matrix video output (select 1 in 4 channels);

Alarm interface: 4 inputs and 1 output ;

Physical interface:

Number

Definition

Number

Definition

1

USB interface

7

VGA interface (Optional)

2

Video input interface

8

RS485 interface &Alarm module

3

Monitor & Auxiliary matrix video output

9

Power(DC12V)

4

Audio input

10

Power Switch

5

Audio output

11

Ground Terminal

6

ETHERNET network interface

Compression function :

 ☉Support multi-zone motion detection.
 ☉Support mask function to mask sensitive area.
 ☉Support view tampering alarm function for spiteful camera block.
 ☉Support video signal loss alarm function.
 ☉Support position configurable OSD&LOGO.
 ☉Support both constant bit rate and variable frame rate.
 ☉Support dual-stream and the sub stream can support CIF/QCIF compression resolution.


Storage  function :

 ☉Support many record mode: all time record, motion detect record, external alarm record, motion & alarm record, motion | alarm record, manual record.
 ☉Support cycle and non-cycle record mode.


Preview & playback functions: 

 Support monitor video output and auxiliary matrix video output (select 1 in 4 channels).
 
Support VGA output.
 
Support playback fast, slow, pause, forward, backward, frame by frame, etc.
 
Use define preview layout.
Network Functions: 

☉Support TCP/IP (ARP , RARP , IP , TCP , PPP , PPPoE , DHCP , SNMP etc). 
☉Support broad-band transmission (ADSL , ect). 
☉Support narrow-band transmission (PSTN ,etc) . 
☉Streams of one or more channels , Net DVR’s running state and alarm state can be accessed through network . 
☉Net DVR’s parameters can be set through network . 
☉Support remote control of PTZ . 
☉Streams can be recorded in a remote host PC . 
☉Files in Net DVR can be downloaded to or remotely played in a remote host PC . 
☉Support Net DVR remote upgrading . 
☉Support voice talk between host in surveillance center (back end) and Net DVR(front end)


PTZ control: 

☉Support Pan-Tilt-Zoom control and Preset through front, keyboard and network; 
☉Support many kinds of PTZ protocol; 
☉Add new PTZ protocol special for user; 


Alarm Functions: 

☉Support Motion detect alarm, switch alarm, signal lost alarm, exception alarm, etc; 
☉Support setup of alarm related with PTZ preset; 


Others: 

☉Support RS-485 interface keyboard; 
☉User’s friendly menu interface; 
☉Multi-level user priority; 
☉Automatically recovery from exception leads to high reliable; 
 

Application:
It widely used in bank, telecommunication, transportation, factories, warehouse, irrigation, ect.