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Digital QAM Multiplexer, Mainframe Only, Requires Input Modules
Digital QAM Multiplexer, Mainframe Only, Requires Input Modules
 


Product Code: BLT-DQMX
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Description
 

DQMx (Digital QAM Multiplexer) accepts up to four inputs in ASI, 8VSB, and QAM formats, and delivers one output in QAM format in the 54-864 MHz range. Two types of input modules are available (ASI and 8VSB/QAM), and any combination of input modules is allowed – for example, DQMx can be equipped with 2 ASI and 2 8VSB/QAM input modules. Each ASI input module can process up to twelve channels, not to exceed 270 Mbps. Each 8VSB/QAM input module can process up to twelve channels, not to exceed 19.4 Mbps for 8VSB or 38.8 Mbps for QAM 256. The QAM-modulated output can contain up to twelve channels, not to exceed 38.8 Mpbs when operating in QAM 256 mode.

FEATURES AND BENEFITS

  • Maintains MPEG-2 mapping if the input ASI stream is removed and the same stream is added later (for example, after a power cycle)
  • In addition to PAT, PMT, and MGT tables, supports the RRT, STT, and VCT tables of the MPEG-2 transport stream
  • Automatically re-maps duplicate PIDs, program numbers, and minor channel numbers
  • Maintains mapping with new PAT/PMT/MGT versions and same programming

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