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Installation, Operation, and
Specifications
Overview
The Selenio MDX1 multiplexer and demultiplexer encapsulates streams for transport, or it
can multiplex, de-multiplex, and re-multiplex transport streams. Incoming programs can be
readily re-purposed into new programs, local content added to existing programs, and new
transport streams can be generated quickly.
The Selenio frame provides internal connectivity in which content can be routed from a
variety of sources, including MPEG-2 and H.264 encoder modules, various internal network
interfaces such as DVB-ASI, and from incoming Gigabit Ethernet transport streams.
External connections can include up to eight software-selectable independent inputs or
outputs that can handle either DVB-ASI or the SMPTE 310M protocols.
The MDX1 is capable of accepting un-encrypted programs from a variety of sources from
local encoders to network interfaces, including ASI or Gigabit Ethernet. It includes a
Simulcrypt synchronizer to access conditional access information from a CA system over a
dedicated Ethernet connection. Each program is encrypted using DVB common scrambling,
and ECMs are multiplexed into each stream to provide a DVB-compliant output.
The encryption engine supports 256 simultaneous programs at a combined rate of up to
214 Mb/s. When not using encryption, the multiplexer supports up to an 800 Mb/s
throughput.
Main Features
Two back module configurations:
HD-BNC
Eight ASI/SMPTE 310M inputs/outputs on HD-BNC
10 MHz reference input on HD-BNC
GPS 1 pps sync input on HD-BNC
HD-BNC and RJ-45
Five ASI/SMPTE 310M inputs/outputs on HD-BNC
10 MHz reference on HD-BNC
GPS 1 pps sync input on HD-BNC
10/100Base-T on RJ-45 for Simulcrypt server
Copyright © 2011, Harris Corporation
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