Atlona® AT-HDR-H2H-44MA 4K/UHD HDR 4×4 HDMI Matrix Switcher D-Link Alarm output relay indicates that

Alarm output relay indicates that FACP input is triggered (form "C" contact rated @ 1 amp 28VDC not evaluated by UL)

The AP7900B also features an enhanced web user interface

Audio sensing with auto-switching delay settings per zone

Allows easy access during and after the installation

Atlona® AT-HDR-H2H-44MA 4K/UHD HDR 4×4 HDMI Matrix Switcher D-Link Alarm output relay indicates thatProduct Overview The Atlona AT HDR H2H 44MA is a 44 HDMI matrix switcher for high dynamic range (HDR) formats. It is HDCP 2. 2 compliant and supports 4K UHD video @ 60 Hz with 4: 4: 4 chroma sampling, as well as HDMI data rates up to 18 Gbps. The HDR H2H 44MA is ideal for residential applications with the latest as well as emerging 4K UHD and HDR sources and displays. It is compatible with all video resolutions, audio formats, and color space formats