HDC-UHD Series User Guide142.2 HDC-TH221UHD/HDC-TH421UHDThe HDC-TH221UHD/HDC-TH421UHD includes one HDMI output and two/four HDBaseT outputs.The HDMI OUT1 enables down conversion that outputs 4K input video at 1080p automatically depending onsink device status. The video inputs can be controlled by the front panel or an external controller.The HDC-TH221UHD/HDC-TH421UHD also features Daisy chain for extending and distributing video,audio, and control signals. In addition, digital audio signals can be de-embedded onto the analog outputsignals. It supports bidirectional RS-232C and LAN communication.All connected HDC-UHD products can be monitored through WEB browser for troubleshooting.HDMI/DVIUp to 39 ft. (12 m) *1HDC-RH100-D (Receiver)4K@60HDMI/DVI4K monitor4K@60HDCP 2.2Blu-ray playerHDBaseTUp to 328 ft. (100 m)*24K@60HDCP 2.2Blu-ray playerHDC-TH421UHD (Transmitter)2K monitor1080p@60HDMI/DVIUp to 98 ft. (30 m) *1HDCP 2.2HDBaseT4 distributionsUp to 328 ft. (100 m) *2Power amp.Analog audioSpeakers4K monitor4K@604K monitor4K@604K monitor4K@60*1 Maximum transmission distances98 ft. (30 m):1080p@6039 ft. (12m) : 4K@60 (when cable supporting 18 Gbps transmission is used)*2 Maximum transmission distances328 ft. (100 m) : 4K@60 (4:2:0)492 ft. (150 m) : 1080p (24 bit) in Long reach modeFor long reach mode, video signals up to 1080p (24 bit) can be transmitted to 492 ft. (150 m) at maximumif using with IDK’s HDBaseT products supporting 328 ft. (100 m) transmission.Down-conversionPCExternal controlHDC-RH100-D (Receiver)HDC-RH100-D (Receiver)HDC-RH100-D (Receiver)HDMI/DVIHDMI/DVIHDMI/DVIHDC-TH100-D (Transmitter)[Fig. 2.2] Application example (HDC-TH421UHD)