GearMo GM-PDU31CNA User manual

Product Manual
USB C PD 50W Portable Power
Dock Adapter for Notebooks with
Built-In HDMI Output
Gearmo
Version 1.0
December 2017
Model # GM-PDU31CNA
www.gearmo.com

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REVISION HISTORY
Revision
Date
Author
Comments
1.0
12/05/2017
Gearmo
Gearmo Manual
ABOUT THIS DOCUMENT
This product manual outlines installation and features of the GM-PDU31CNA USB C PD 50W
Portable Power Dock Adapter for Notebooks with Built-In HDMI Output.
SCOPE
The scope of this manual is to give the user of the product an understanding of its use with
detailed diagrams and verbiage. The manual allows the users to apply the product to their
application.
INTENDED AUDIENCE
This product is intended for use in home or office applications where power delivery and
charging to notebooks, laptops, cell phones or other is needed.
PRODUCT SUPPORT
[email protected]

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TABLE OF CONTENTS
1. INTRODUCTION.............................................................................................................. 4
1.1 Features ........................................................................................................................................... 4
1.2 Specifications ................................................................................................................................... 4
1.3 Package Contents............................................................................................................................. 5
1.4 Power Dock Operation..................................................................................................................... 5
1.5 Notes, FAQ, Warnings, & Safety ...................................................................................................... 7
2. Port illustration.............................................................................................................. 9
TABLE OF FIGURES
Figure 1 Power Dock Operation...................................................................................................... 5
Figure 2 Bus Power ......................................................................................................................... 6
Figure 3 USB Power Charger ........................................................................................................... 6
Figure 4 Port Illustration ................................................................................................................. 9

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1. INTRODUCTION
The Gearmo GM-PDU31CNA USB-C PD Notebook Power Dock adapter is meant to replace your
existing bulky power block that your notebook computer ships with. It works with any notebook
that uses a type-C port connection for its power delivery method. The USB-C PD notebook
power dock is a multi functional adapter with charging capability. It can be used as a USB 3.1
Gen1 two port hub through its USB-A ports and a USB 3.1 Gen1 Type-C port, all with up to
5Gbps data transmission. The adapter also allows for an HDMI connection through its HDMI A
Type output port. Power is supplied from a 100V~240V AC wall outlet.
WEIGHT
0.487 lbs.
UPC
045079159570
WARRANTY
1 year from date of purchase
COLOR
White
PORTS
Type-A HDMI 1.4 Female x1, USB
3.1 Type-C x1, USB 3.1 Type-C PD
x1, USB 3.1 Type-A x2
1.1 Features
•100/240VAC Universal AC input.
•(Up-stream) USB3.1 Gen1, type C, PD
•Supported PD Profiles: 5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/2.25A
•(Down-stream) USB3.1 Gen1, type A x 2 5V/1.5A, USB 3.1 Gen1 type C x 1, 5V/3A
•USB Battery Charging 1.2 Specification
•Charging Modes – SDP, CDP, DCP.
•Supports Apple, Samsung Galaxy fast charging on Type-C PD port.
•HDMI A type output port.
•Up to 192kHz audio frame rate and up to 24-bit audio sample size
•
Electrical Protections: Over-Current, Over-Voltage, Over Temperature, Over-Power
1.2 Specifications
Power
Power Input
AC 100-240V
USB-A Output
5V/1.5A
USB-C PD
5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/2.25A
Physical
Construction
Plastic
Color
White
Dimensions
80mm x 61mm x 26mm
Weight
0.487 lbs.

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Interface
USB
(2) USB Type-A / (2) USB Type-C
HDMI
HDMI 1.4
Charging
Charging Notebook/Laptop
USB Type-C PD
Charging Cell Phones/Other
USB Type-A, USB Type-C
Fast Charging
Only through USB Type-C PD port
HDMI
Output
Female HDMI 1.4
Frame Rate
192kHz audio
Audio Sample Size
Up to 24-bit
Video
Device dependant
Regulatory Approvals
Certifications
UL / FCC-Class B RoHS, GS/CE
1.3 Package Contents
Before attempting to use this unit, please check the packaging and make sure the following
items are contained in the shipping carton:
•(1) 50W Portable Power Dock Adapter
•(1) 1.5m AC Power Cord
•(1) 45cm USB-C to C Cable
1.4 Power Dock Operation
Charge laptop and portable devices at the same time, as well as transferring data;
simultaneously playing movies stored on a connected external drive displaying High-Def video
output.
Figure 1

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Works as a BUS POWERED USB 3.1 GEN1 Hub + HDMI PORT.
Figure 2
Using as a UNIVERSAL USB POWER CHARGER or a UNIVERSAL NOTEBOOK TYPE C POWER
ADAPTER.
Figure 3

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1.5 Notes, FAQ, Warnings, & Safety
Note N/A
FAQ
1. How can I know if the device is running properly?
Answer:
•When the device is connected to AC power, or notebook (upstream
type C port), confirm whether the power supply is working
•Confirm whether the USB-C port of the notebook is plugged in is
correctly
•Confirm whether the product is using with the originally bundled USB
cable.
2. Data cannot be read
Answer:
•Please confirm that the data source is normal.
•Please confirm whether the product is using with the originally
bundled USB C cable.
•Please confirm whether the interface of USB C that notebook is
plugged in is correct.
3. HDMI screen does not have image
Answer:
•Connect Notebook to our product first, then connect to HDMI port,
Notebook screen will jump to adjust the resolution, and then the
screen will show the image. Otherwise check whether the product is
equipped with type C connector.
•Confirm whether the product is using with the originally bundled USB
C cable. Whether the HDMI port is connected properly.
•Confirm whether the TV is working, HDMI cable is working.
•Type C to video port (such as VGA/HDMI/DVI/DP etc.) is not
supported.
•Driver may need to be installed when using the USB Type A to video
port.
4. Phone charging on USB A & C
Answer:
•Confirm whether the power supply is working.
•Confirm whether the product is using with the originally bundled USB
cable.

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Warning
N/A
Safety
Please read the instructions and precautions for the first time.
•Do not drop, break open, disassemble, change or try to repair the
product.
•Do not leave the body in wet or humid conditions, direct sunlight or
high temperature environments.
•Under normal temperature the portable power dock will produce
heat, in order to avoid the accumulation of heat, it is recommended
to use in an open space. If there is abnormal heat present, please
stop using the device.
•Do not use liquid cleaners or similar chemicals. Especially directly
sprayed on the connectors of the product.
•Please keep away from children and confirm that the user has read
the instructions

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2. PORT ILLUSTRATION
Figure 4