Model Number

UD1A-4

Video compression

H.264 / H.264+

Analog, AHD, HD-TVI, CVI video input

4 Ch., BNC interface (1.0Vp-p, 75Ω)

Supported camera types

720P25, 720P30, 720P50, 720P60, 1080P25, 1080P30, CVBS, AHD, CVI

Audio compression

G.711u

Audio input / Two-way audio in

1-ch, RCA (2.0 Vp-p, 1 KΩ)

Video Output

1 HDMI, 1 VGA, 1CVBS

HDMI / VGA output

HDMI: 4K, 2K, 

HDMI/VGA: 1920 × 1080 / 60 Hz,1280 × 1024 / 60 Hz, 1280 × 720 / 60 Hz, 1024 × 768 / 60 Hz

Encoding resolution

Main stream: 1080PLite / 720PLite / VGA / WD1 / 4CIF / CIF; Sub-stream: WD1(non-real-time) / 4CIF(non-real-time) / CIF / QCIF / QVGA

Frame rate

Main stream: 1/16 fps ~ Real time frame rate
Sub-stream: 1/16 fps ~ Real time frame rate

Video bitrate

32 Kbps to 6 Mbps

Audio output

1 Ch., RCA (Linear, 1KΩ)

Audio bitrate

64 Kbps

Dual-stream

Support

Stream type

Video, Video & Audio

Synchronous playback

4 Ch.

Playback resolution

1080P / 720P / VGA / WD1 / 4CIF / CIF / QVGA / QCIF

Remote connections

128

Network protocols

TCP/IP, PPPoE, DHCP, DNS, DDNS, NTP, SADP, SMTP, NFS, iSCSI, UPnP™, HTTPS, ONVIF

SATA

1 SATA interface

Capacity

Up to 14 TB capacity for each disk

Network interface

1; 10M / 100M self-adaptive Ethernet interface

Serial interface

1 x RS-485 serial interface

USB port

2 × USB2.0

Power supply

12 VDC

Consumption (without hard disks)

≤ 15W

Working temperature

14 ºF ~ 131 ºF (-10 ºC ~+55 ºC)

Working humidity

10% ~ 90%

Chassis

1U chassis

Dimensions (W × D × H)

12.4”W × 9.5”D × 1.8”H

Weight (without hard disks)

3.3 lbs

Dimensions (W × D × H)

12.4” x 9.5” x 1.8”

Weight (Without disks)

3.3 lbs