The HDMI® extender HE150 supports local loop-out and 1-to-multiple reception. For specific connection and use, please see details
The details include the interface description of the extender (loop out interface, 3.5mm audio output interface), 1-to-1/1-to-multi connection usage diagram, resolution support, HDMI® version, etc.
Attached is the eKL 8-port HDMI® KVM seamless switch 812HKW manual, which can be viewed online or downloaded for viewing. The details include interface and panel button descriptions, as well as a connection topology diagram to facilitate comparison with the actual product.
The HDMI® matrix 412HN features a 4-input to 2-output design and supports one SPDIF optical digital audio output as well as two 3.5mm stereo analog audio outputs. It is capable of supporting resolutions up to 3840x2160 at 60Hz. Switching between inputs can be accomplished via both remote control and button controls.