26 • DM NVX System Design Guide – DOC. 7977F
For card-based endpoints, the DMF-CI-8 card chassis is placed in a closet or locked rack
near the source and display devices. (To ensure that the environmental conditions in the
rack meet the specifications outlined, refer to the DMF-CI-8
product page on the
Crestron website.)
Serial and IR interfaces are not provided by card-based endpoints. The functionality
must be provided by other means, such as through a local Crestron control processor on
the DM NVX network.
For a maintenance-free installation, follow these guidelines:
• While taking into account cable distances, plan the optimum location for the
surface-mountable or card-based endpoint—especially when distance-limited
HDMI cables are involved.
• Avoid direct access to the endpoint by the end users. End users can induce
failures or create a security risk due to unauthorized network access. Ensure that
HDMI cables and wall plates are routed away from the endpoint appropriately.
• Use Category 2 certified HDMI cables to meet the minimum HDMI specifications
at 4K or 1080p and to prevent problems such as degradation or loss of video
or audio.
• Use properly terminated network cables. Network cabling must be either of the
following:
- Fiber that is terminated with a clean LC connector
- Shielded or unshielded Cat 5e or higher copper cable that is terminated with
an RJ-45 connector
• Observe the minimum bend radiuses and pull forces of cables to maintain cable
integrity and prevent failures.
• Use plenum-rated cables in plenum spaces. Cables such as Crestron
DigitalMedia™ plenum-rated cables are suitable. Fire-rated conduit for any fiber
or copper cabling used in plenum spaces is also suitable.
• Practice good cable dressing—especially for card-based endpoints in racks.
• Manage EDID and HDCP proactively. For additional information, refer to the
Crestron DigitalMedia System Design Guide (Doc. 4546) at
www.crestron.com/manuals
.
• HDR and deep color sources may not display correctly on endpoints with
non-HDR or non-deep color displays. Ensure that the capabilities of the sources
are matched to the capabilities of the displays.
• Use descriptive names for endpoints either through the DM NVX web interface or
by replacing the default name in the Crestron Toolbox™ software. Do not rely on
the default name or the Crestron IP ID.
• Physically secure the endpoint to a fixed point or rack to prevent movement
over time. Secure all mounting points and mounting hardware for surface-
mountable endpoints, card chassis, and card-based endpoints.
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