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Instructions
Thank you for purchasing this quality ALOGIC product. Please read these instructions for help with setting up the device and keep them
handy for future reference.
Refer to the accompanying images on page 5 for additional information.
Installing the Drivers
1
The dock uses DisplayLink technology to provide universal multi-monitor support for a wide range of computers and operating
systems. The latest DisplayLink software should be installed following these steps:
•
Download the DisplayLink driver for your operating system from www.displaylink.com/downloads
•
Run the installer once downloaded and follow the prompts
•
Restart your machine
Additional assistance for installing the DisplayLink software can be found here:
https://bit.ly/3guFvg7
Connecting a Power Adapter (Optional)
2
The dock can operate using power from the computer USB port that it is connected to or from an external USB Power Delivery
(PD) power adapter (not included).
Connecting a power adapter is recommended to ensure that the dock receives enough power to power all accessories that may
be connected. When the dock is powered by the USB port on the computer it can only supply as much power to any connected
devices as it receives from the computer. Connecting high powered accessories or trying to charge mobile devices from the
dock without a power adapter connected may cause the dock to shut down if the power available from the computer's USB port
is exceeded.
When a USB PD power adapter is connected to the USB-C PD input
power the dock and making any remaining power available to charge the computer.
The USB PD power adapter chosen for use with the dock should be rated at least as high as the wattage of the laptop's original
charger plus 15W, up to a maximum of 100W. Using a 100W PD power adapter with the dock is recommended and will provide
adequate power to charge most laptops (85W).
Note that the computer must support USB PD charging for passthrough charging to work and USB PD charging will only work
when the dock is connected to a USB-C port on the computer. USB PD charging does not work with USB-A ports (such as
when the USB-A adapter is used to connect the dock to the computer).
Some high performance laptops require more power than the 85W maximum that this dock can provide; the original laptop
charger for these computers should be connected directly to the laptop. There is no risk of damage to the laptop if separate
USB PD power adapters are connected to the dock and the computer at the same time.
Not every USB-C port on notebook computers supports charging. If your computer doesn't start charging when a power supply is
connected to the device and the device is connected to your computer, try connecting the dock to a different USB-C port on your
machine or consult the computer's manual to determine which USB-C ports accept power from USB PD power sources.
Connecting the Dock to the Laptop
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Connect the included USB cable between the USB-C port labelled TO COMPUTER on the front of the dock and your computer.
Connecting the dock to a USB-C port on the computer is recommended to ensure that all video outputs can be used. If a USB-C port
is not available on the computer, the dock may be connected to a USB-A port using the USB-C to USB-A adapter supplied with the
dock. When the dock is connected to a USB-A port on the computer the DisplayPort 1 and HDMI 1 video outputs will not be available
for use.
The dock will be detected and configured by your computer automatically when connected. This process will take a few seconds the
first time you plug the device into your laptop. You may receive a notification that it has been installed and is ready for use.
Connecting Devices to the Dock
4
Connect external devices such as monitors, USB devices, Ethernet network cable and headphone/mic to the dock, as necessary.
Refer to Page 2 and 3 of these instructions for an outline of the available ports and their functions.
Resolution Support Table
The quantity and resolutions of video outputs supported depend on the specifications and available ports of the connected computer.
The table below provides the maximum output resolutions available for Windows computers based on the version of DisplayPort Alternate
mode supported on their USB-C ports.
Port
DP Alt Mode version of
computer USB-C port
DP1.4 (HBR3) with DSC
DisplayPort 1 + HDMI 1
(Requires USB-C connection)
DP1.4 (HBR3) without DSC
DP1.2 (HBR2)
HDMI 2 + 3
(Requires DisplayLink
drivers installed)
When connected to Apple Mac computers the DisplayPort 1 and HDMI 1 outputs will be mirrored.
When used with a Mac this docking station is suitable for use with up to three monitors but cannot be used for multiple monitor
extended desktop configurations where four independent monitors are required.
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the dock will accept up to 100W of power; securing 15W to
Maximum Resolution
Single Display
Dual Display or MST
(DisplayPort 1 or HDMI 1)
(DP 1 and HDMI 1 in use)
3840x2160 60Hz
2x 3840x2160 60Hz
3840x2160 60Hz
2x 3840x2160 30Hz
3840x2160 30Hz
2x 1920x1080P 60Hz
2x 1920x1080 60Hz (all computers)
USB Port Video Support
The second and third HDMI
outputs on the docking station use DisplayLink technology and will work when the dock is connected to any USB
port on a computer.
If using the first HDMI
or DisplayPort
output on the docking station to connect to a monitor, the dock must be connected to the computer
using USB-C. It is also important to understand that not all USB-C ports on computers support video output using the DisplayPort Alternate Mode
standard, used to send video from the computer to these outputs.
The device can be used with USB-C ports which do not support video output as well as USB-A ports (using the included adapter) however you will
not be able to connect the first HDMI
or DisplayPort
output to an external monitor and show video. HDMI 2 and HDMI 3
other ports (Ethernet, audio and USB ports) will be functional.
Specifications
Model
DUCDV4
Dimensions
27 x 82 x 172mm (H x D x W)
Weight
535g
3x HDMI (1x 2.0 + 2x 1.4b)
1x DisplayPort (DP1.4)
1x USB-C 3.2 Gen 1 (5Gps)
Output
2x USB-A 3.2 Gen 1 (5Gps)
2x USB-A 2.0 (rear)
1 x USB-C Port for laptop connection (the included USB-C to A adapter can be used for older computers)
Input
1 x USB-C USB PD power input for connection of optional power adapter (not included)
Dock can be powered from the host computer or by connecting a USB-C Power Delivery (USB PD) power
adapter up to 100W (not included).
The dock will accept up to 100W of power when a suitable USB PD power supply is connected; 15W is
reserved for use by the dock and the remaining amount will be made available to charge the computer (up
Power
to 85W, dependent on the size of the power supply).
When used without a power adapter connected, power available to the dock and connected peripherals
will be limited to the amount of power supplied by the USB port on the host computer. It is recommended
that a power adapter be connected to the dock if used to charge mobile devices or if used with high
powered peripherals such as portable hard drives to ensure stable operation.
Up to 2x 4K UHD and 2x 1080p Full HD independent video outputs dependent on the capabilities of the
connected computer.
macOS computers support up to 3x displays (1x 4K UHD and 2x 1080p).
Max Resolution
USB-A computers support up to 2x 1080p displays.
*See resolution support table on previous page for maximum outputs available with computers of differing
capabilities
Audio Support
Analog audio line/microphone in/out
Device Compatibility
Windows, macOS, ChromeOS Computers
Compliance
FCC, CE, RoHS
Warranty
2 Years
Troubleshooting
Symptom
Solution
•
Ensure that the dock has power – the power indicator is illuminated when the dock is on
•
Check that the HDMI or DisplayPort cable is connected securely between the monitor and device and the device is
securely connected to the computer
Video doesn't
•
Check that the external monitor is turned on and set to the correct input
show on
•
Ensure the latest DIsplayLink drivers have been installed from www.displaylink.com/downloads
external
•
Check that your computer is detecting the external display and is set to show video on it
display
•
If the display is connected to the first HDMI
that you have connected the device to supports video output using DisplayPort Alternate Mode
•
If the computer doesn't detect the external monitor or output video after checking the above, restart your computer
and attempt again
Video
•
Check that the display cable is connected securely between the display and device
drops out
•
Check that the device is securely connected to the computer
intermittently
•
Check that the display cable being used to connect to the display is of good quality and isn't damaged
Computer
•
Ensure that the dock is connected to a USB-C port on the computer – USB-A ports do not support USB PD Charging
doesn't start
•
Ensure that the power supply is connected at the wall and turned on, and the USB-C cable supplying power is
charging when
securely connected to the dock
the device is
•
Verify that the USB-C port on the computer supports charging from a USB PD power source
connected
outputs and the
1x 3.5mm Combo Audio / Microphone Jack
1x RJ45 Ethernet (1Gbps)
1x SD Card Reader (SD 2.5)
1x Micro SD Card Reader (SD 2.5)
or DisplayPort
output, check that the USB-C port on the computer
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