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Call the AVPro Team at –North America 877-886-5112 Interna1-605-274-6055
wall.
• Use only solid copper CAT cables - no CCA.
• Don’t over complicate the system with too many devices in series. Too many handshakes
cause unexpected and unwanted results.
• Try to buy all the HDMI devices and HDMI cables from one vendor as they have been
tested with each other assuring system interoperability.
• Cycle power on all devices in the system - this will cause a hot plug event and will cause
the source to read the sink EDID again and possibly return the system to normal operation
• Make sure everything in the system is HDCP 2.2 compliant in a UHD distribution system.
• Clock stretching issues are common in some STB with older HDMI chipsets (although they
look new). This will cause a no picture situation. You can use EDID minder to fix this, and
some connectivity companies’ even list a fix for clock stretching as a feature in extenders
and matrix switches.
• When using POE extenders - make sure they are IEEE 802.11af - this ensures that you
don't damage downstream or upstream components.
