Eaton TRIPP LITE U442-DOCK8-B User manual

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Owner’s Manual
Español 21
Français 41
Deutsch 61
Italiano 81
Purchased product
may differ from image.
Models:
U442-DOCK8-B
U442-DOCK8-BINT
Triple-Display USB-C
Docking Station

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• HDMI and DisplayPort connectors each support single-
monitor 4K applications up to 3840 x 2160 @ 60 Hz*
• Extends 1080p desktop image across 3 external screens at
the same time at resolutions up to 1920 x 1080 @ 30 Hz*
• Extends 1080p desktop image across 2 external screens at
the same time at resolutions up to 1920 x 1080 @ 60 Hz*
• RJ45 port supports true 10/100/1000 Mbps (1 Gbps) network
speeds when Wi-Fi is weak or unavailable
• USB-C PD 3.0 port supports 85W power output for charging
host device
• USB-A hub ports support USB 3.2 Gen 2 speeds up to
10 Gbps; one dedicated port supports up to 5V 1.5A (7.5W)
for charging mobile devices, 2.4A for Apple®devices
• USB-C hub port supports USB 3.2 Gen 2 speeds up to 10
Gbps for reading, writing and transferring data
• 3.5 mm microphone/speaker combo port supports
2.1-channel audio
• Plug-and-play operation with no software required for easy,
immediate installation
*Maximum resolution is determined by what your connected device can
support. See Cable Matrix for resolution breakdown.
Product Features

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• U442-DOCK8-B or U442-DOCK8-BINT
• USB-C to USB-C Cable, 1m (3.3 ft)
• External Power Supply
(Input: 100 -240V, 50/60 Hz, 2A; Output: 20V 5A)
U442-DOCK8-B: C5 to NEMA 5-15P Cord
U442-DOCK8-BINT: International Power Cords
(BS 1363 UK, CEE 7/7 EU)
• Owner’s Manual
• N201-Series Cat6 Gigabit Snagless Patch Cables
• P312-Series 3.5 mm Mini Stereo Audio Cables
• P569-Series High-Speed HDMI Cables
• P580-Series DisplayPort Cables with Latches
• U420-Series USB 3.2 Gen 2 C/C Cables
• U428-Series USB 3.2 Gen 1 A/C Cables
• M100-Series USB Sync/Charge A/Lightning Cables
Package Contents
Optional Accessories

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1Power: Turns the unit o and on.
Blue LED indicates when power is turned on.
23.5 mm Mini Stereo Combo Port: Connects
user-supplied speaker or microphone.
3USB-C Data Port: Transmits data at USB 3.2
Gen 2 speeds up to 10 Gbps.
4USB-A Charging Port: Supports 5V 1.5A (7.5W)
charging for mobile devices, 2.4A for Apple devices.
5Anti-Theft Lock: Connects your computer/laptop
security-cable chain lock.
Product Overview
Front
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Product Overview
Rear
6DC Power Jack: Connect the included external
power supply to both this port and an AC outlet.
7USB-C PD Charging Port: Connects to the host
device with the included USB-C cable.
8(2x) DisplayPort Outputs: Connect to DisplayPort
monitors with user-supplied cables.
9HDMI Output: Connects to HDMI monitor with
user-supplied cable.
JRJ45 Port: Connects to Gigabit Ethernet network
with user-supplied Cat6 cable.
K(2x) USB-A Hub Ports: Connects USB peripherals
or devices at USB 3.2 Gen 2 speeds up to 10 Gbps.
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J
J
K
K

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Cable Matrix
DP1.2 HBR2 Platform
Ports HDMI DP1 DP2
1 External Display Connected 4K/30 Hz N/A N/A
N/A 4K/30 Hz N/A
N/A N/A 4K/30 Hz
2 External Displays Connected 1080p/60 Hz 1080p/60 Hz N/A
1080p/60 Hz N/A 1080p/60 Hz
N/A 1080p/60 Hz 1080p/60 Hz
3 External Displays Connected 1080p/30 Hz 1080p/30 Hz 1080p/30 Hz
DP1.4 HBR3 Platform
Ports HDMI DP1 DP2
1 External Display Connected 4K/60 Hz N/A N/A
N/A 4K/60 Hz N/A
N/A N/A 4K/60 Hz
2 External Displays Connected 1440p/60 Hz 1440p/60 Hz N/A
1440p/60 Hz N/A 1440p/60 Hz
N/A 1440p/60 Hz 1440p/60 Hz
3 External Displays Connected 1080p/60 Hz 1080p/60 Hz 1080p/60 Hz
DP1.4 HBR3 Platform with DSC Support
Ports HDMI DP1 DP2
1 External Display Connected 4K/60 Hz N/A N/A
N/A 4K/60 Hz N/A
N/A N/A 4K/60 Hz
2 External Displays Connected 4K/60 Hz 4K/60 Hz N/A
4K/60 Hz N/A 4K/60 Hz
N/A 4K/60 Hz 4K/60 Hz
3 External Displays Connected 4K/30 Hz 4K/30 Hz 4K/30 Hz

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Installation
Installation Notes
• After all devices are connected to the unit, be sure the power
adapter is properly connected and the power button is turned
on.
• Connect the host computer or laptop to the U442-DOCK8-B
or U442-DOCK8-BINT USB-C PD Charging port using the
included USB-C cable. This cable will charge and power the
host device.
• Screenshots may vary based on operating system.
• The computer or laptop will keep your previous display
settings every time you power on/o.
• Check your computer or laptop’s display settings and set up in
Extend Mode for normal installation.
• If you change monitors, you may need to reset the display
settings.
• Some 4K monitors will occupy the entire 4K bandwidth and
cause the third connected display to function incorrectly.
• If your system runs Mac OS, external monitors connected
will only support Mirror Mode (all displays will have the same
output).
• If your system is a Windows system and supports MST Mode,
refer to below MST installation notes.

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Installation
Single External Display Installation
A. Connect an HDMI or DisplayPort cable (see Optional Accessories)
between the U442-DOCK8-B and a compliant display.
Double Extended External Display Installation
A. Connect either both DisplayPort
outputs or one DisplayPort and
one HDMI port to compliant displays.
B. In desktop mode, right-click the desktop and select Graphics
Properties.
1x External displays
+ 1x NB screen Resolution (NB)
1080p @ 60 Hz
Resolution (Monitor)
HBR2 2160p @ 30 Hz
HBR3 2160p @ 60 Hz
Resolution (NB)
1080p @ 60 Hz
Resolution (Monitor)
1080p @ 60 Hz 1080p @ 60 Hz

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Installation
C. Click Display Settings.
D. In Multiple Displays, click Identify Your Monitors.

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Installation
E. In General Settings, adjust the extended monitor resolution to
1920 x 1080 and the refresh rate to 60 Hz. Click Apply to save settings.
Note: The primary display default is the laptop screen. Displays 2 and 3
should be extended monitor.
F. In Dual Extended mode, a 4K monitor will automatically downgrade to
1080p @ 60 Hz to provide the best video quality.
Resolution (NB)
1080p @ 60 Hz
Resolution (Monitor)
1080p @ 60 Hz 1080p @ 60 Hz

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Installation
H. To x this, go to General Settings and adjust the extended monitor
resolution to 1920 x 1080 and the refresh rate to 60 Hz. Click Apply
to save settings.
Resolution (NB)
1080p @ 60 Hz
Resolution (Monitor)
4K @ 30 Hz X
4K @ 30 Hz
800 x 600
1080p @ 60 Hz 1080p @ 60 Hz
G. If your monitor has a xed resolution of 4K @ 30 Hz, your second
monitor will automatically downgrade to 800 x 600 or may not even
work at all.

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Installation
Triple Extended External Display Installation
A. Connect all video ports to compliant displays. Only 2 of the 3 displays
will work right away.
B. In desktop mode, right-click the desktop and select Graphics
Properties.
C. Click Display Settings.
Max. Resolution (Monitor)
1080p @ 30 Hz 1080p @ 30 Hz 1080p @ 30 Hz

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Installation
D. In Multiple Displays, click Identify Your Monitors.
E. Click the Primary Display dropdown box, and select the third active
monitor. Click Apply to save settings.
F. In General Settings, adjust the extended monitor resolution to
1920 x 1080 and the refresh rate to 30 Hz. Click Apply to save
settings.

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Installation
Multi-Monitor Conguration in MST Mode
A. Be sure to rst follow the above installation procedures.
B. One the extra monitors are connected, they can be congured to
Extend Mode, Mirror Mode or Set the Primary Display.
C. Go to Display Settings and select Screen Resolution.
• Extend Mode steps
a) Always refer to the Multi-Monitor Conguration section
to bring up the conguration window.
b) In the Display dropdown menu, select the preferred monitor.
c) Select Multiple Displays > Extend these displays
d) Click OK to conrm and exit.
e) Once the setting is completed, drag and drop the application
icons or the opened windows to the add-on monitor.

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Installation
• Mirror Mode steps
a) Always refer to the Multi-Monitor Conguration section to bring up
the conguration window
b) In the Display dropdown menu, select the preferred monitor.
c) Select Multiple Displays > Duplicate these displays
d) Click OK to conrm and exit.
• Set the Primary Display steps
a) Always refer to the Multi-Monitor Conguration section to bring up
the conguration window.
b) In the Display dropdown menu, select the preferred monitor.
c) Check the Make this my Main Display box. Note: For some
computers, you may need to disable the main display by unchecking
the Extend the desktop onto this monitor box or the Extend my
Windows desktop onto this monitor box.
d) Click OK to conrm and exit.

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Installation
Troubleshooting for MST Mode
• Did your cursor disappear? If the status remains in Extend
Mode, but the U442-DOCK8-B or U442-DOCK8-BINT is
disconnected, the desktop will still be panned to the add-on
monitor. The cursor may not be found on the primary monitor
in such a case. If it happens, connect the add-on monitor
through the docking station again or keep moving the mouse.
• Video playback issues in Extend Mode? If the video
playback quality is poor, please use the playback on the
primary monitor instead of the add-on monitor.

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Installation
Non-Video Port Installation
Note: Be sure the power adapter is properly connected and the
power button of the unit is turned on. This should occur once all your
devices are properly plugged in.
• Connect up to 3 USB-A peripherals including speeds up to
10 Gbps. The USB-A dedicated charging port supports up to 5V
1.5A (7.5W) of charging power.
• Connect an Ethernet network through the RJ45 port to achieve
speeds up to 10/100/1000 Mbps (1 Gbps).
• Connect the 3.5 mm Mini Stereo port to a headset, microphone
or speaker. If the audio is not automatically changed to USB
Audio Device, open the control panel and select the hardware
and sound icon. Then click Sound > Manage Audio Devices
and select USB Audio Device.
• Transfer data up to 10 Gbps using the USB-C data port.
• (Optional) If you have a security-cable chain lock, connect it to
the anti-theft lock port.

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Specications
Input USB-C (Female)
Output(s) (x2) DisplayPort (Female)
HDMI (Female)
(x3) USB 3.2 Gen 2 Type-A (Female)
(x1) USB 3.2 Gen 2 Type-C (Female)
RJ45 (Female)
3.5 mm (Female)
Max Supported
Video Resolution
Single Display (DP or HDMI):
3840 x 2160 @ 30 Hz
Dual Display (Both DP or DP and HDMI):
1920 x 1080 @ 60 Hz
Triple Display: 1920 x 1080 @ 30 Hz
Audio (3.5 mm) 2.1-Channel Surround Sound
Ethernet (RJ45) 10/100/1000 Mbps (1 Gbps)
Power Supply Input: 100–240V, 50/60 Hz, 2A,
Output: 20V 5A
HDMI Specication HDMI 2.0
HDCP Specication HDCP 1.4/2.2
DisplayPort Specication DP 1.4
5V 1.5A Charging Compliant Yes
Operating Temperature 32° to 104°F (0° to 40°C)
Storage Temperature -4° to 158°F (-20° to 70°C)
PD Charging Specication PD 3.0 (up to 85W)
Unit Dimensions (H x W x D) 3.4 x 7.5 x 1.1 in (8.5 x 19 x 2.7 cm)
Unit Weight 0.55 lb. (0.25 kg)
Support Color Depth (HDMI) 36-Bit True Color
Chroma Subsampling (HDMI) 4:4:4

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Warranty
1-Year Limited Warranty
We warrant our products to be free from defects in materials and workmanship for
a period of one (1) year from the date of initial purchase. Our obligation under this
warranty is limited to repairing or replacing (at its sole option) any such defective
products. Visit Tripplite.Eaton.com/support/product-returns before sending any
equipment back for repair. This warranty does not apply to equipment which has
been damaged by accident, negligence or misapplication or has been altered or
modied in any way.
EXCEPT AS PROVIDED HEREIN, WE MAKE NO WARRANTIES, EXPRESS OR IMPLIED,
INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. Some states do not permit limitation or exclusion of implied warranties;
therefore, the aforesaid limitation(s) or exclusion(s) may not apply to the
purchaser.
EXCEPT AS PROVIDED ABOVE, IN NO EVENT WILL EATON BE LIABLE FOR DIRECT,
INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT
OF THE USE OF THIS PRODUCT, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
DAMAGE. Specically, we are not liable for any costs, such as lost prots or
revenue, loss of equipment, loss of use of
WEEE Compliance Information for Customers and Recyclers
(European Union)
Under the Waste Electrical and Electronic Equipment (WEEE) Directive
and implementing regulations, when customers buy new electrical and
electronic equipment from Eaton, they are entitled to:
• Send old equipment for recycling on a one-for-one, like-for-like basis (this
varies depending on the country)
• Send the new equipment back for recycling when this ultimately becomes
waste
Use of this equipment in life support applications where failure of this equipment
can reasonably be expected to cause the failure of the life support equipment or
to signicantly aect its safety or eectiveness is not recommended.
Eaton has a policy of continuous improvement. Specications are subject to change
without notice.

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Eaton
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Cleveland, OH 44122
United States
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© 2023 Eaton
All Rights Reserved
Publication No. 23-07-740 /
93-3E33_RevA
August 2023
Eaton is a registered
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933E33