ASI MPEG Transport Stream over DS3 / T3 /E3

H-ASI-DS3-B
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Description Features Drawings Model Selection Specification Support
Description

ASI over DS3 / E3 Transport System

PN: H-ASI-DS3-B Bi-directional ASI to DS3 and DS3 to ASI

DVB  ASI is a very common video TS transport stream protocol in the digital video broadcast industry. Many TV studios have DS3 links to the broadcast headend.  It is possible to use this link to carry a DVB-ASI stream over the DS3 line at up to 44Mbps. 

Often it is necessary to transport these ASI Transport Streams from a studio to a broadcast head end. It is possible to transport the ASI over DS3 connections. The H-ASI-DS3 unit can encode and carry  DVB-ASI transport streams over a standard DS3 line. These units are for ASI over DS3 Transport.

These units are for ASI over DS3 Transport in both directions, another words it can send and receive ASI over DS3 lines.

ASI to DS3 and DS3 to ASI conversion is a cost effective solution for DVB signal transport.

It can carry multiple program streams in either MPEG2 or MPEG4 format.

Features

•  19 1RU chassis and front panel parameter selection
 •  E3/DS3 Complied with ITU-T G.703
 •  Supporting Framing in accordance with G.832/G.751 (E3) or G804/G.752 (DS3)
 •  Supporting prevailing Digital TV Headend protocols
 •  Bi-Directional conversion between MPEG-II TS or H.264 and E3/DS3
 •   ASI TS - Single program or Muxed programs
 •  Built-in Clock Recovery
 •  Supports FEC, RS
 •  ASI TS Spread/Burst mode Auto Negotiation
 •  PCR correction and bit stuffing
 

Drawings
Model Selection

H-ASI-DS3-B  Bi directional ASI over DS3 lines  - ( BNC interface -  The data rate for DS3 is 44.736 Mbit/s (45 Mb).

H-ASI-E3-B  Bi directional ASI over E3 lines - (  BNC interface - The data rate for E3 is 34.368 Mbps (megabits per second).

Specification

Input Interface Characteristics

DS3 (G.703 Standard -44.736 Mbit/s )

E3 ( 34.368 Mbit/s )

*All Specifiactions Subject to Change Without Notice

Connector

BNC DS3(G. 703 Standard) -BNC

E3  - BNC

 

Impedance

75 Ohm

TS Packet Format

188/204 bytes

Input Bit Rate

44.736Mbps(DS3)

Encoding

B3ZS(DS3)

ASI (DVB Standard)

 

Connector

BNC

Impedance

75 Ohm

TS Standard

ISO13818-1

Input Valid Bit Rate

214Mbps max (per channel)

TS Packet Format

188/204 bytes (automatic identification)

TS Input Format

equality/ packet burst / inequality

Output Interface Characteristics

 DS3 (G.703 Standard)  

Connector

BNC

Impedance

75 Ohm

TS Packet Format

188/204 bytes

Output Bit Rate

44.736Mbps(DS3)

Encoding

B3ZS (DS3)

Transit Distance

>50m(75-3 coaxial line)

ASI (DVB Standard)

 

Connector

BNC

Impedance

75 Ohm

TS Standard

ISO13818-1

TS Packet Format

188/204 bytes (RS encoding 204bytes)

TS Input Format

equality

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