background image

Micro-USB port 

for power

Quick start guide

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: 02/01/2016

For the latest information, technical specifications, and support for 

this product, please visit www.startech.com/ST121HDBTD

Packaging contents

•  1 x HDMI transmitter 

•  1 x USB cable for power

•  1 x quick start guide 

System requirements

•  HDMI enabled video source, such as a computer or Blu-ray™ player

•  HDBase-T™ display or an HDBaseT receiver with an HDMI display

•  CAT5e or CAT6 cabling with enough length to reach from your 

video source to the location of your display

ST121HDBTD

Compact HDMI® over CAT5 Transmitter - 70m

*actual product may vary from photos

Preparing your site

1.  Setup your local HDMI enabled video source  in your desired 

location. 

2.  If you’re connecting to an HDBase-T display,  setup the display 

appropriately in your desired location. 

 or 

If your connecting to an HDBase-T receiver with an HDMI 

display, setup the display appropriately in your desired location 

and connect your HDBaseT receiver to the display, as per the 

documentation included with your HDBaseT receiver.  

 

Notes: 

Please ensure that the transmitter is situated near an 

available USB power source.  Make sure all devices are turned off 

before you begin the installation.

Product overview

Front view

Rear view

HDMI 

input

RJ-45 

output

About this product

HDBaseT is a standardized, zero-latency video distribution 

technology that’s revolutionizing HDMI distribution. HDBaseT uses 

an advanced method of modulation that enables you to distribute 

uncompressed HDMI audio and video over standard network 

cabling. This transmitter turns your HDMI signal into an HDBaseT 

signal, enabling you to extend your source signal to an HDBaseT 

display or receiver up to 70 m away.

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