Setting Up HDMI Systems
If a source could support 16 or more sinks downstream from the HDMI UTPro and a 17th sink is added downstream of the HDMI UTPro, the protected content stops transmitting and the HDMI matrix switching input automatically clears its cache. The input will authenticate each of the downstream sinks again, but when it reaches the 17th sink, the protected content stops transmitting and the cache is cleared. This process will continue indefinitely until one of the HDMI UTPro’s downstream sinks has been unplugged, bringing the number back to 16 (the HDMI UTPro’s sink limit).
Four Examples of HDCP Source Sink Support (FIG. 35 through FIG. 38):
The next four figures illustrate system setups in which the source device supports a maximum of 3 sinks downstream of the first repeater (R1) with varying numbers of repeaters and destinations.
Source Device
HDMI-UTPRO-RX
HDMI-UTPRO-RX
Destination Devices
FIG. 35 Example #1 – Source device supports 3 sinks (three destination devices) downstream of R1
Destination
Devices
HDMI-UTPRO-RX
Repeater
Source Device
FIG. 36 Example #2 – Source device supports 3 sinks (R2 and two destination devices) downstream of R1
Repeater
Repeater
Source Device
FIG. 37 Example #3 – Source device supports 3 sinks (R2, R3, and one destination device) downstream of R1
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