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Quick Details

  • Place of Origin: Sichuan, China (Mainland)
  • Brand Name: DEXIN
  • Model Number: DX3218S
  • Input channel: 8/16/24 cvbs
  • video: mpeg4 H.264/AVC
  • Audio: MPEG1 Layer 2
  • output: IP (MPTS) over UDP
  • Product name: 24 channel SD h.264 encoder

Packaging & Delivery

Packaging Details Carton box
Delivery Time in stock

DEXIN DX3218S 24 channel SD h.264 encoder





Product Overview

DEXIN DX3218S multi-channel encoder is our newest professional SD audio & video encoding and multiplexing device with powerful functionality. It is equipped with 8/16/24 CVBS channels input supporting MPEG-4 AVC/H.264 High Profile code format & main Profile code format. It can multiplex the 8 encoded TS to generate a MPTS and 8 SPTS output through GE output port. It adopts the slot structure with one device supporting maximum 3 DX218S modules. Each module can work standalone. In conclusion, its high integration and cost-effective design make this device widely used in variety of digital distribution systems such as CATV digital head-end, terrestrial digital TV, etc.

Key features

·         8/16/24×CVBS video inputs with MPEG4 AVC/H.264 Video encoding

·         Supports PAL and NTSC SD video formats

·         Support MPEG1 Layer II Audio encoding and support audio gain adjustment

·         Support IP output over UDP and RTP

·         Support Null PKT Filter(only for MPTS, SPTS output without Null PKT)

·         Support LOGO, Caption, QR code insertion

·         Real-time effective encoding output bit-rate monitoring

·         Control via web management, and easy updates via web

·         Modular design,1U chassis support up to 3 modules

Principle Chart (per daughter module)


Technical specification


8/16/24 CVBS inputs , DB15-To-RCA interface



720×576i, 720×480i




1~7 Mbps each channel

Rate Control


GOP Structure

IPP(P Frame is adjustable, without B frame)

Aspect Ratio

4:3; 16:9



MPEG-1 Layer 2

Sampling rate




Audio Gain

0-255 adjustable


64/128/192/224/256/320/384Kbps each channel

Stream output

IP (1*MPTS and 8*SPTS) output over UDP and RTP, 1000 Base-T Ethernet interface (Multicast and Unicast)

System function

Network management (WEB)

Chinese and English language

Ethernet software upgrade






Power requirements  

AC 110V± 10%, 50/60Hz, AC 220 ± 10%, 50/60Hz



Order Information


Version I



8 CVBS Input



16 CVBS Input



24 CVBS Input





Company Information






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China (Mainland) | Manufacturer, Trading Company
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The supplier’s transactions conducted via Alibaba.com in the past 6 months.
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Supplier's Trade Assurance Limit: US $126,000
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