数字前端设备
数字转模拟 WK-2500C
产品详情

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产品特点

  • 支持将32(或64)个IP通道(或4个HDMI/AV+28 IP通道,或8个HDMI/AV+24 IP通道)转换为模拟射频输出

  • 支持各通道OSD(Logo and Caption)插入,操作简单

  • 支持 CC/字幕/图文电视

  • 支持BISS解扰

  • 支持节目信息修改,多种音频选择

  • 2/4 GE 端口用于 IP MPTS/SPTS 输入,每个 GE 输入最大 840Mbps

  • 支持HEVC/H.265、H.264/AVC、MPEG-2 TS解码400MHz以内32(或64)个非相邻或相邻载波输出32(或64)个标准PAL或NTSC或SECAM电视节目

  • 可选的冗余电源

  • 支持基于Web的网络管理



技术参数

Input

Interface/rate

2 GE ports (max 64 IP input) 

Max 840Mbps for each GE input

Stream

UDP, UDP / RTP, 1-7 packets, FEC, SPTS, MPTS

Transport Protocol

UDP/RTP, unicast and multicast, IGMP V2/V3

Packet Length

188 / 204 Bytes

Decoding

Parameters

Video

HEVC/H.265, H.264/AVC Level 4.1 HP, MPEG-2 MP@HL

Audio

MPEG-1/2 Layer 1/2, (HE-)AAC,AC3

Data

Teletext, Teletext subtitles, DVB Subtitling

Resolutions

HEVC/H.265:  1080@60P ,1080@60I,1080@50P,1080@50I,720@60P,720@50P

 

H.264/AVC:  1080@60I,1080@50P,1080@50I,1080@30P,1080@25P , 720@60P,720@50P,576@50I,480@60I

 

MPEG2:

1080@60I,1080@50I, 720@60P,720@50P,576@50I,480@60I

Aspect ratio

4:3/16:9

Modulation

Parameters

Number of channels

up to 32

Connectors

75Ω, F-jack

Frequency range

47 – 862MHz, digital modulation process

Output Bandwidth

400MHz

Output level

maximum 112dBμV

Return loss

 14dB

Spurious frequency dist.

 60dB

Stereo cross talk

> 55dB

Residual carrier accuracy

1%

TV standard

PAL B/G/D/K/M/N, NTSC M/J/4.43,

SECAM (under development)

Video-signal to noise ratio

 60dB

Network Interface

Management

1 x 100 Base-T Ethernet (RJ 45)

Data

2 x 1000 Base-T Ethernet (RJ 45)

Protocol

IEEE802.3 Ethernet, RTP, ARP, IPv4, TCP/UDP, HTTP, IGMPv2/v3

Others

Image resolution

up to 1080i

CNR

60 dB (after internal combining)

SNR

> 53 dB (after internal combining)

Sampling frequency

48, 44.1, 32

Output volume adjustment

0 - 100 %

General

Demission

420mm×440mm×44.5mm (WxLxH)

Temperature

0~45(operation), -20~80(storage)

Power Supply

AC100V±10%, 50/60Hz

or AC 220V±10%,50/60Hz