StarTech.com ST121HD20L Quick Start Manual

HDMI over CAT6 Extender | 4K 60Hz
Product Diagram (ST121HD20L)
Transmitter and Receiver Front View
1 2
Component
Transmitter and Receiver
• Solid green when the Universal Power Adapter
1 Power LED Indicator
is connected
• Solid green when the HDMI Source Device is
2 Link LED Indicator
connected
• Solid green when the CAT6 Cable is connected
2 Link LED Indicator and the HDMI Source Device Video Signal is
active
Transmitter and Receiver Rear View
3
4
To view manuals, FAQs, videos, drivers, downloads, technical drawings, and more, visit www.startech.com/support.
Function
Transmitter
Receiver
5 6 7
Port
Transmitter and Receiver
• Power the Transmitter and Receiver
• Secure the Universal Power Adapters into the
3 DC IN Ports
DC IN Ports by inserting the Barrel Connectors
on the Universal Power Adapters and turning
the Screw Locks clockwise
• Connect an HDMI Source and HDMI Display
HDMI IN and OUT
4
Device
Ports
• Connect the IR (Infrared) Blasters and
Receivers to control the HDMI Source and
HDMI Display Device from the Transmitter or
5 IR TX and RX Ports
Receiver
• Bi-directional to support different IR
configurations
• Connect any Serial Device to extend the signal
RS-232 Extension
6
over CAT6 Cable
Ports
• Connect the CAT6 Cable to extend the signal
7 RJ45 Ports from the Source Device to the HDMI Display
Device
Requirements
For the latest requirements and to view the full User Manual, please visit
www.startech.com/ST121HD20L.
• HDMI Source Device x 1
• HDMI Display Device x 1
• CAT6 Cable x 1
• (Optional) Surface for Mounting x 1
Installation
Installing the HDMI Transmitter and Receiver
1. Position the Transmitter near the HDMI Source Device.
2. Connect an HDMI Cable to the HDMI Source Device and to the HDMI IN Port on
the back of the HDMI Transmitter.
Quick-Start Guide
Function
Manual Revision: August 12, 2019