DDC-3330 & DDC-3340 

ASI / SPI Network Interface Adapters

         DDC-3330 Limited Stock - Available until sold!

         DDC-3340 obsolete Stock - no longer Available!
Features
  • Rate independent from 1.5 Mb/s to 50 Mb/s.
  • Modular format compatible with IRT fibre optic, distribution amplifier and switcher modules.

Applications:

  • ASI conversion for transport via coaxial cable or fibre optic links to distant sites.
  • Interfacing various MPEG2 TS formats.
  • Block length indication and error detection.
  • Connections to modulators or test equipment.
  • Signal monitoring for remote alarm indications.
 
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General
The DDC-3330 and DDC-3340 are part of a family of data transcoders for converting between the commonly used MPEG2 Transport Stream formats in the broadcast industry for video distribution.

Any SPI input data rate within the range of 1.5 to 50 Mb/s will be converted to the corresponding rate within a 270 Mb/s ASI stream by the DDC-3340. The DDC-3330 provides the complementary conversion from ASI to SPI format.

The SPI (Synchronous Parallel Interface MPEG2) format is convenient for data manipulation, but is not suited to transporting signals over more than a few metres.

The ASI (Asynchronous Serial Interface 270 Mb/s) format can easily carry data over several hundred metres on coaxial cable or many kilometres on fibre optic cable.

The DDC-3330 & 3340 do not perform any signal correction or alter the format of the MPEG2 transport stream. They only change the transport stream electrical format and monitor the signal for MPEG2 transport stream sync errors.