DVS4004

Product Detail
Audio/Video Coding |
Description |
Video coding standard |
H.264 MP@L3 |
Audio coding standard |
G.711μ |
Video Quality Parameter |
Description |
Video coding system |
PAL, NTSC |
Image resolution |
D1, 4CIF, 2CIF, CIF |
Video coding frame rate |
Maximum 25 fps (PAL) or 30 fps (NTSC) |
Video bit rate |
D1/4CIF: 512 Kbit/s - 8192 Kbit/s; 2CIF: 256 Kbit/s - 4096 Kbit/s; CIF: 128 Kbit/s - 1024 Kbit/s |
Dual-stream combination |
1) H.264 single stream; 2) H.264 + H.264 dual streams |
Audio Quality Parameter |
Description |
Audio bit rate |
64 Kbit/s |
Audio sampling rate |
8 kHz |
Sound channel settings |
Mono |
Mute |
Mute can be selected. |
Network Feature |
Description |
Network access mode |
Supporting the static IP and PPPoE dialup access modes |
Supported network protocols |
TCP/IP, UDP, HTTP, IGMP, Telnet, ICMP, ARP, PPPoE, SNMPV2, SIP2.0, and iSCSI |
Storage standard |
iSCSI |
Transmission mode |
Unicast and multicast; each channel can be used to transmit 1 channel of multicast stream in real time or 4 channels of unicast streams at the same time, and live stream in the UDP mode and stream in the TCP mode can be transmitted. |
End-to-end delay |
< 300 ms |
Interface |
Description |
Video input |
4 channels of analog composite video input interfaces, BNC interface 75 Ω, 1 V (P-P) |
Audio input |
4 channels of analog audio input interface (mono), 2 V (P-P), 35 kΩ |
Audio output |
1 channel of analog audio output interface (mono), 2 V (P-P) |
Two-way talking |
1 channel of two-way talking interface: independent input channel, which can be used together with the audio channel |
Alarm input |
4 channels of phoenix terminals, dry contact alarm input interface |
Alarm output |
2 channels of phoenix terminals, internal relay switched output |
Ethernet electrical interface |
2 RJ45s; electrical interface; half-duplex/full-duplex Ethernet, supporting 10M/100M/1000M Base-T self-adaptation |
Serial port |
1 RS-232; 2 RS-485s (1 RJ45 connector and 1 phoenix connector) |
USB interface |
1 USB2.0 |
EPON ONU sub-card |
1 100 Mbit/s EPON ONU sub-card; sharing the card slot with the SFP interface; the EPON interface card does not support hot swap. |
Dual-port SFP Ethernet interface card |
Compatible with 2 channels of Ethernet interfaces, IEEE 802.3u 1000Base-X Gigabit Ethernet, not supporting hot swap |
Reset button |
Restored to the initial setting by holding the button for 3s |
Application Feature |
Description |
Motion detection |
Supporting motion detection of 4 zones set at each channel |
Transparent channel |
Supporting the transparent channel from terminal to terminal or from terminal to IP mode |
Web Settings |
Description |
Basic configuration |
Network configuration and serial interface configuration |
Management configuration |
System settings, server settings, and SNMP settings |
Service configuration |
Media stream settings |
Log management |
Log export |
System maintenance |
Displaying the current device status, configuration management, user management, password management, system restartup, and software upgrade information |
Maintenance Management |
Description |
Debugging mode |
Telnet and RS232 serial interface debugging |
Update |
Supporting local upgrade, Telnet and Web upgrade, and accepting batch upgrade of the central management server |
Ambient Characteristic |
Description |
Dimensions |
40 mm × 189 mm × 270 mm |
Weight |
< 1.5 kg |
Operational temperature |
–10°C to +60°C |
Operational humidity |
5% to 95% (no condensation) |
Storage temperature |
–40°C to +70°C |
Storage humidity |
5% to 95% (no condensation) |
Altitude |
–60 m to +4000 m |
Operating voltage |
External 12 V DC power supply |
Maximum power consumption |
10 W |

