Design Guide – DOC. 7977F DM NVX System • 29
Case Studies
This section provides the following case studies using DM NVX products:
• Case Study 1: Community College 4K AV Distribution Network
• Case Study 2: 4K Residential AV Distribution Network
• Case Study 3: 4K AV Distribution over Fiber
Case Study 1: Community College 4K AV Distribution Network
A client wants to distribute ten 4K HDMI video sources located in an IDF closet to
50 classrooms at a community college. More classrooms and 10 video sources are to be
added in the future. The existing network cabling infrastructure is to be used—only the
network hardware is required. External sound bars must be used for audio output at
the displays.
Solution:
• The Crestron design is based on the use of DM-NVX-350 encoders and decoders
and the DM-NVX-DIR-160:
- Ten DM-NVX-350 encoders with video source connections are located in the
IDF closet.
- Each of the 50 classrooms has a DM-NVX-350 decoder that connects to a
display. The DM-NVX-350 decoders feed video to the displays and provide
serial control of the displays.
- A DM-NVX-DIR-160 is used to set up, control, and monitor the DM NVX
system. The DM-NVX-DIR-160 also provides the capability to add classrooms
and ten video sources in the future.
• Using a star network topology, any source can be routed to any destination.
• The system can be controlled via the Crestron App for mobile and tablet devices.
• A Crestron CP3N control processor is installed in the MDF closet to provide
centralized control for the entire system. Since no additional external control
from the control processor is necessary, the processor connects directly to the
network switch.
• A nonblocking network switch is used. The network switch has enough ports for
10 video source endpoints and 50 video display endpoints. In addition, the
network switch can be reconfigured to support an additional 10 sources.
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