StarTech.com ST122HD4KU Leaflet

Page of 2
Instruction Manual
DE: Bedienungsanleitung - de.startech.com
FR: Guide de l'utilisateur - fr.startech.com
ES: Guía del usuario - es.startech.com
IT: Guida per l'uso - it.startech.com
NL: Gebruiksaanwijzing - nl.startech.com
PT: Guia do usuário - pt.startech.com
Manual Revision: 10/16/2014
For the most up-to-date information, please visit: www.startech.com
Packaging Contents
•   1x HDMI Audio/Video Splitter (ST122HD4KU)
•   1x Power Adapter (NA/EU/UK/AUS)
•   1x USB power Cable
•   1x Instruction Manual
System Requirements
•   1x HDMI-enabled Video Source Device (i.e. Blu-ray player, 
computer, etc.)
•   2x HDMI-enabled Display Devices w/ cabling (i.e. Television, 
projector, etc.) 
Product Diagram
Front View
Hardware Installation
Note: Ensure your HDMI-enabled video source device, and the 
HDMI-enabled Display Devices are powered off before you begin 
installation.
1.  Connect the HDMI Input Dongle Cable on the ST122HD4KU 
from the A/V output port of your HDMI-enabled Video Source 
Device.
2.  Connect an HDMI cable (not included) from each of the HDMI 
output ports on the ST122HD4KU to the HDMI input port on 
your HDMI-enabled Display Devices. 
Note: Each port is numbered, please take note of which number is 
assigned to each HDMI-enabled display device.
3.  Power on each HDMI-enabled Display Device, followed by your 
HDMI-enabled Video Source Device.
4.  Connect the included power adapter from an available power 
source to the power adapter port on the ST122HD4KU. 
Or 
If you would prefer to use a USB power source, connect the 
included USB power cable from an available USB power source, 
to the power adapter port on the ST122HD4KU.
5.  Your Video source device A/V output will now appear on each 
attached HDMI-enabled display device.
ST122HD4KU
2-Port HDMI® Splitter with USB Power – 4K 
HDMI Output Port 1
HDMI Output Port 1 
Activity LED
HDMI Input Dongle 
Cable
HDMI Output Port 2 
Activity LED
HDMI Output Port 2
Power Adapter Port
Rear View
Activity LED
Each HDMI output port on the ST122HD4KU is equipped with an 
Activity LED.  This LED will light while an active HDMI display is 
attached and receiving a video input signal.