5. Device Concept UCX series – User's Manual 32
Video Interface
Summary of Video Ports
Video Port Diagram (UCX-4x2-HC30D)
INFO: The source, which is connected to the USB-C port, sends DisplayPort video signal. This signal is
converted to HDMI by the video IC internally.
Video port diagram with the internal image source (Welcome screen)
ATTENTION!
of them can be selected to any output. Busy
Video Inputs Video Outputs
Displayport
Alternate mode
HBR2 (4x5.4Gbps)
HDMI 2.0
(18 Gbps)
HDMI 2.0
(18 Gbps)
UCX-2x1-HC30 1x 1x 1x
UCX-2x2-H30 - 2x 2x
UCX-4x2-HC30 2x 2x 2x
UCX-4x2-HC30D 2x 2x 2x
Video Port Diagram (UCX-2x2-HC30)
DisplayPort Alternate Mode
USB-C sources sends Displayport signal for video transmission.
Displayport Alternate mode allows using the
USB-C cable instead of DisplayPort cable
for DP video signals. The standard uses the
Superspeed data transfer channels for carrying
the video stream.
ATTENTION! The bandwidth of the video is based on the capacity of the source and the sink. USB3.1
Generation (Gen1=5Gbps, Gen2=10Gbps) is not related to DP bitrate (HBR1=4x2.7Gbps, HBR2=4x5.4Gbps)
GND DP Lane 2 VBUS sBU1 D- D+ CC VBUS GND
GND VBUS CC sBU2 VBUS
GND
D-
D+
DP Lane 1
DP Lane 0DP Lane 3
Superspeed
data
channel
Superspeed
data
channel
USB
Superspeed
data
USB
Superspeed
data
channel
USB-C pinout in DP Alt mode
Power Delivery (up to 60 W)
DisplayPort Alternate Mode
USB High Speed Data (480 Mbps)
HDMI in I1
HDMI in I2
HDMI out O1
Welcome
screen I3
HDMI out O2
2x3 audio/video crosspoint
Analog
audio out
D/A
converter
Analog
audio
Audio
de-embedder
*UCX-2x1-HC30 model has USB-C input.
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