User’s Manual
KVM-HDU-4
4-Port HDMI KVM Switch
with
USB 2.0 and 4K Video Support
UMA1 273 Rev NC
Order toll-free in the U.S. 800-959-6439
FREE technical support: 714-641-6607 or support@hallresearch.com
Hall Research
, 1163 Warner Ave. Tustin, CA 92780
www.hallresearch.com
CUSTOMER
SUPPORT
INFORMATION
KVM-HDU-4
2
Table of Contents
1.0 Introduction 3
2.0 Features 3
3.0 Setup and Operation 3
3.1 HotKey Sequences 4
4.0 Troubleshooting 5
5.0 Specifications 6
TRADEMARKS USED IN THIS MANUAL
Hall Research and its logo are trademarks of Hall Research. Any other trademarks
mentioned in this manual are acknowledged as the property of the trademark owners.
FCC RADIO FREQUENCY INTERFERENCE STATEMENT
This device complies with part 15 Class A of the FCC Rules. Operation is subject to the
following two conditions: (1) This device may not cause harmful interference, and (2) this
device must accept any interference received, including interference that may cause
undesired operation.
Changes or modifications not expressly approved by the party responsible for compliance
could void the user’s authority to operate the equipment.
4-Port KVM Switch with 4K HDMI & USB 2.0
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1.0 Introduction
The KVM-HDU-4 is a compact 4 port HDMI KVM Switch with USB 2.0. The
switch offers advanced features such as ultra high resolution video
support (2560x1440, 2560x1600, and 3840x2160). The switch provides
keyboard and mouse emulation for all 4 PC inputs. It does not matter if a
PC is selected on the KVM Switch or not, all PCs “see” connection to a
keyboard and a mouse. But the data from the “actual” keyboard and
mouse connected to the KVM is sent only to the selected PC.
The KVM-HDU-4 also has an integrated 2-port USB 2.0 Hub. When you
select a new PC on the KVM, the USB 2.0 hub connects to the selected PC.
The hub allows users to connect other USB devices to the PC. For example,
USB touch-screens, USB cameras, or USB audio devices, can be
accommodated).
The front panel features 4 individual buttons for selecting inputs. LED
indicators show the current selected input channel and the status of each
input. Inputs can also be selected via hot-key sequences from the
keyboard.
2.0 Features
• Supports high resolution video such as1920x1080@60,
2560x1440@60, 2560x1600@60 and 3840x2160@30
• 4 Individual buttons on the front panel for selecting inputs
• Full plug-and-play support with USB keyboard, mouse, and
connected peripherals
• Emulates keyboard and mouse for each PC
• Provides USB 2.0 Hub that switches to the selected PC
• Computer OS independent - No driver or software required
• No power supply required for most applications
3.0 Setup and Operation
The figure below shows the rear panel connections on the KVM Switch.
Cables are not included. For each input you must provide one HDMI and
one USB cable.
For the vast majority of KVM switching applications, the KVM-HDU-4 does
not require any power supply since it draws power from the USB
connections from the host PCs.
If the KVM-HDU-4 is going to be used for switching video only with no
USB inputs, then a power supply needs to be connected. This separately
sold power supply is part number 511-U5V2AP5.
KVM-HDU-4
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Front and Rear Panels
1. Press to select inputs
2. Status of inputs:
• Off = No input detected (or connected PC is off)
• Solid On = Input detected (or connected PC is on)
• Blinking = Current selection
3. HDMI inputs – Connect to video sources (of each PC)
4. USB inputs – Connect to Host PC USB ports
5. HDMI output – Connect to a Monitor
6. Dedicated Keyboard and Mouse ports
7. USB 2.0 Peripherals Ports – These ports are from a USB 2.0 Hub
that gets switched to the selected input PC’s USB
8. Optional Power Input – For KVM applications no external power
would be required for most applications.
3.1 HotKey Sequences
• To select inputs press the following key sequence (1 represents
the desired input channel)
• To start SCAN MODE press the following key sequence
Notes: (1) You must complete the key sequence in 3 seconds.
(2) In SCAN mode the switch automatically cycles through all
inputs one at a time. Each input is shown for 10 seconds. To stop
the scan mode, press any key.
4-Port KVM Switch with 4K HDMI & USB 2.0
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4.0 Troubleshooting
If you are experiencing problems getting the switch to work properly,
please use the following troubleshooting suggestions.
Make sure that all of the connections are solid.
Check the LED’s on the front panel.
Disconnect power and all USB inputs and reconnect them
If you still are not able to get the system working properly, contact Hall
Research support via email or fill out the form on support page of
www.hallresearch .com. Give a detailed description of the issue and the
troubleshooting steps you have taken.
Do not open or try to repair the unit yourself as this will void your
warranty. To return the extender for repair, contact HR Support and
obtain an RMA (Return Material Authorization) number.
KVM-HDU-4
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5.0 Specifications
Video
Standard
HDMI
Number of inputs
4
Bandwidth
300 MHz pixel clock or 10.2 Gbps video data rate
Max Resolution
3840 x 2160 @ 60Hz (with 4:2:0 YUV color sampling)
3840 x 2160 @ 30Hz (with 4:4:4 YUV color sampling)
USB
Standard
Version 2.0
Connectors
4x USB Type B Female for Hosts (PCs)
1x Keyboard Type A Female
1x Mouse Type A Female
2x USB 2.0 Peripherals from Built in Hub. Type A Female
General
Optional Power Supply
2 VDC @ 2A
Note: Power supply is not needed if USB inputs are connected
Power Consumption
0.7 watts
Excluding extra power drawn by USB devices that may be connected
Temp/humidity
Storage: -40 to +158 °F (-40 to +70 °C) / 10% to 90%, non-condensing
Operating: +32 to +122 °F (0 to +50 °C) / 10% to 90%, noncondensing
Cooling
Convection
Enclosure type
Metal
Dimensions
Device: 9.65 x 3.74 x 1.61 inch (245 x 95 x 41 mm)
Package/box: 11.38 x 7.88 x 2.75 inch (290 x 200 x 70 mm)
Weight
Device: 1.85 lbs (840 g)
Shipping: 2.2 lbs (1 kg)
Vibration
ISTA 1A in carton (International Safe Transit Association)
Safety
CE
EMI/EMC
CE, FCC Class A
MTBF
90,000 hours (Calculated Estimate)
Warranty
3 years parts and labor
Specifications are subject to change without notice
© Copyright 2018. Hall Research, Inc.
All rights reserved.
1163 Warner Ave., Tustin, CA 92780
Ph: (714)641-6607
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