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Imagine Communications - SEL-MDX2
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Transport Stream Multiplexer/Demultiplexer

Model: SEL-MDX2

  • Back module configurations (two)
  • HD-BNC
  • Eight ASI/SMPTE 310 inputs/outputs on HD-BNC
  • 10 MHz reference input on HD-BNC
  • GPS one pps sync input on HD-BNC

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Tech Specs
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Incoming programs can be readily repurposed into new programs, local content (commercials, news and more) can be easily added to existing programs, and new transport streams can be quickly generated. The unique internal connectivity in the Selenio platform provides unprecedented flexibility. Content can be easily routed from a variety of sources, including MPEG-2 and H.264 encoder modules, various internal network interfaces such as DVB-ASI and incoming transport streams from Gigabit Ethernet. With features including DVB scrambling and conditional access (CA) enabled by a Simulcrypt interface, the Selenio multiplexer is ideal for contribution and distribution functions, as well as Direct-to-Home (DTH) market applications.
  • Back module configurations (two)
  • HD-BNC
  • Eight ASI/SMPTE 310 inputs/outputs on HD-BNC
  • 10 MHz reference input on HD-BNC
  • GPS one pps sync input on HD-BNC

  • HD-BNC and RJ45
  • Five ASI/SMPTE 310 inputs/outputs on HD-BNC
  • 10 MHz reference on HD-BNC
  • GPS one pps sync input on HD-BNC
  • 10/100Base-T on RJ-45 for Simulcrypt server

  • Transport stream input/output
  • ­Configurable as input or output per port
  • Configurable DVB-ASI or SMPTE 310 output per port
  • MPEG format 188/204 bytes per TS packet (188-byte internal only)
  • Data rate set from 2 pps internal time base, frame or GPS reference
  • Total module bandwidth 800 Mb/s
  • Total programs supported across module - 240
  • Total PIDs supported across module 4096
  • PID or program multicasting, up to eight destinations

  • Multiplexing
  • Creation of up to eight individual multiplexes
  • Program multiplexing
  • Mirroring of odd numbered port to next even numbered port
  • PID insertion
  • Unreferenced PID insertion
  • High/Low service prioritization
  • Automatic or manual PID/program numbering
  • Mux bypass (pass through)
  • Data carousel
  • Remote/local statistical multiplex of encoders
  • Output modes CBR and capped VBR
  • Opportunistic data insertion
  • IP to IP multiplexing

  • Conditional access
  • DVB Common Scrambling
  • Unique control word by PID (not just program)
  • Up to 128 control words
  • Maximum data rate of 214 mb/s
  • ­BISS encryption ­
  • DVB Simulcrypt version 3
  • Supports ECM and EMM interfaces only
  • Separate IP connection for CAS on module
  • Simultaneous connections to multiple different Conditional Access Systems from different CA vendors

  • Demultiplexing
  • Up to eight individual multiplexes can be received
  • Program demultiplexing
  • PID extraction
  • Demux bypass (pass through)
  • Demux output streams can be CBR or capped VBR
  • IP to IP demultiplexing

  • Gigabit Ethernet
  • Access via frame data network
  • Number of SPTS streams supported (in/out): 240/240
  • Support for unicast and multicast reception/transmission
  • Source-specific joins supported with multiple sources (IGMPv3)
  • FEC and encapsulation as per SMPTE 2022
  • Network jitter buffer and PCR recovery

  • SFN adaptation
  • Supports DVB, ISDB-Tb SFN adaptor functions
  • - DVB, SFN adaptor functions
  • - DVB MIP insertion
  • 10 MHz and one pps timing input

  • SI/PSI processing
  • Support for combining of PAT, PMT and SDT tables
  • Support for inclusion of static tables via data carousel
  • Support for inclusion of streaming tables as TS input stream
  • Integrated with third-party PSI generation system(s)
  • Concurrent support for static and dynamic table

  • DVB-T Gateway
  • Supports a single DVB-T2 output in T2MI format
  • - Single T2MI output over ASI or IP; uses ASI output #1
  • - SFN operation
  • - Multiple PLPs up to 8, each fed from a separate multiplexor
  • - I/O interfaces not used as a PLP source can be used for normal mux/demux processing

  • T2MI Functions
  • Full allocation mode supported; each PLP is configured with a static allocation of FEC blocks ­
  • Bandwidth 5, 6, 7 and 8 MHz plus 1.7 and 10MHz
  • - Extended carrier mode
  • Selection of pilot patterns 1-8 ­
  • Modulation modes of 8PSK 256 QAM ­
  • Rotated constellation ­
  • 1K to 32K FFT ­
  • ¼ to 1/128 guard band interval ­
  • Peak to average power reduction (PARP) modes TR, ACE and TR+ACE ­
  • Selectable super-frame and frame length ­
  • Selectable number of sub-slices ­
  • Nti and Pi time interleaving selection ­
  • High efficiency transport stream packing (HEM) ­
  • Type 1 and/or Type 2 PLPs ­
  • Input stream synchronization (ISSY)

  • SFN Function
  • 10 MHz, 1PPS and NTP input ­
  • Individual addressing of modulators ­
  • MISO ­
  • T2 MIP insertion ­
  • Time-Stamp modes absolute and relative (absolute requires external NTP server)
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