Model

ZKD408A

Video compression

H.264

Analog and HD-TVI video input

8-ch

Video/Audio

BNC interface (1.0Vp-p, 75 Ω)

input

Supported camera types

720P, 1080P, CVBS

Audio compression

G.711u

Audio input/Two-way audio in

1-ch,RCA (2.0 Vp-p, 1 KΩ)

HDMI / VGA output

1920 × 1080 / 60 Hz,1280 × 1024 / 60 Hz, 1280 × 720 / 60 Hz, 1024 × 768 / 60 Hz

Encoding resolution

Main stream: 1080P(non-real-time)/720P/ VGA / WD1 / 4CIF / CIF

Sub-stream: WD1(non-real-time)/4CIF(non-real-time) / CIF / QCIF / QVGA

Video bitrate

32 Kbps-6Mbps

Video/Audio

Audio output

1-ch, RCA (Linear, 1KΩ)

output

Audio bitrate

64 Kbps

Dual-stream

Support

Stream type

Video, Video & Audio

Synchronous playback

8-ch

Playback resolution

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

Network

Remote connections

128

TCP/IP, PPPoE, DHCP, DNS, DDNS, NTP, SADP, SMTP, SNMP, NFS, iSCSI,

management

Network protocols

UPnP™, HTTPS

Hard disk

SATA

1SATA interface

Capacity

Up to 4 TB capacity for each disk

External

Network interface

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

interface

Serial interface

1; standard RS-485 serial interface, half-duplex

USB port

2 × USB2.0

Power supply

12V DC

Consumption (without hard disks)

≤ 20W

Working temperature

-10 ºC ~+55 ºC (14 ºF ~ 131 ºF)

General

Working humidity

10% ~ 90%

Chassis

1U chassis

Dimensions(W × D × H)

315×242×45mm(12.4 ×9.5 ×1.8 inch)

Weight (without hard disks)

≤1.5Kg(3.3lb)