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HDMI over Fiber Optic Extender - 4K 60Hz
Quick-Start Guide
Product Diagram (ST121HD20FXA)
Transmitter (Top) and Receiver (Bottom) Front View
1
2
Transmitter (Top) and Receiver (Bottom) Rear View
4
3
5
7
9
10
11
12
• Transmitter: Solid Green when an HDMI Source
HDMI Signal LED
3
4 DC 5V Port
5 Optical Output Port
6 Optical Input Port
7 HDMI Input Port • Connect an HDMI Source Device
8 HDMI Output Port • Connect an HDMI Display Device
9 IR Input Port
10 IR Output Port
11
12 Service Port • Transmitter and Receiver: For manufacturer use only
Indicator
Serial Terminal
Block
Device is connected to the HDMI Input Port
• Receiver: Solid Green when an HDMI Display Device
is connected to the HDMI Output Port
• Transmitter and Receiver: Power the Transmitter
and Receiver
• Connect to the Receiver with a Single or Multi Mode
Fiber Optic Cable
• Removable
• Connect to the Transmitter with a Single or Multi
Mode Fiber Optic Cable
• Removable
• Connect the IR Blaster or IR Receiver for bi-directional
infrared control of the HDMI Source and Display
Devices
• Connect the IR Blaster or IR Receiver for bi-directional
infrared control of the HDMI Source and Display
Devices
• Transmitter and Receiver: Connect a Serial Cable to
the Terminal Block for bi-directional Serial Extension
6
Component Function
1 Power LED Indicator
Optical Signal LED
2
Indicator
• Transmitter and Receiver: Solid Red when the
Universal Power Adapter is connected
• Transmitter and Receiver: Solid Green when the
Transmitter and Receiver establish an optical link
To view manuals, FAQs, videos, drivers, downloads, technical drawings, and more, visit www.startech.com/support.
8
Requirements
• HDMI Source Device x 1
• HDMI Display Device x 1
• HDMI M/M Cables (sold separately) x 2
• Single Mode Fiber Optic Cable up to 3300 Feet (sold separately) x 1
• Multi Mode Fiber Optic Cable up to 1000 Feet (sold separately) x 1
• (Optional) Adhesive Pads x 4
For the latest requirements and to view the full User Manual, please visit
www.startech.com/ST121HD20FXA.
Manual Revision: October 23, 2019 3:26 PM
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Note: Ensure the HDMI Display Device and the HDMI Source Device are powered o
before you begin the installation.
1. Connect an HDMI Cable (sold separately) to the HDMI Output Port on the HDMI
Source Device and to the HDMI Input Port on the Transmitter.
2. Connect a Single or Multi Mode Fiber Optic Cable to the Optical Output Port on
the Transmitter and to the Optical Input Port on the Receiver.
3. Connect an HDMI Cable (sold separately) to the HDMI Output Port on the Receiver
and to an HDMI Input Port on the HDMI Display Device.
4. Connect the Universal Power Adapter to an available Power Source and to the
Power Adapter Port on the Transmitter and the Receiver.
5. Power on the HDMI Display Device and the HDMI Source Device.
FCC Compliance Statement
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC
Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be
determined by turning the equipment o and on, the user is encouraged to try to correct the interference by one or more of the
following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit dierent from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help
This device complies with part 15 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 modications not expressly approved by StarTech.com could void
the user’s authority to operate the equipment.
Industry Canada Statement
This Class B digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe [A] est conforme à la norme NMB-003 du Canada.
CAN ICES-3 (A)/NMB-3(A)
This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions:
(1) This device may not cause interference, and (2) This device must accept any interference, including interference that may
cause undesired operation of the device.
Le présent appareil est conforme aux CNR d’Industrie Canada applicables aux appareils radio exempts de licence. L’exploitation
est autorisée aux deux conditions suivantes:
(1) l’appareil ne doit pas produire de brouillage, et (2) l’utilisateur de l’appareil doit accepter tout brouillage radioélectrique subi,
même si le brouillage est susceptible d’en compromettre le fonctionnement.
Use of Trademarks, Registered Trademarks, and other Protected Names and Symbols
This manual may make reference to trademarks, registered trademarks, and other protected names and/or symbols of thirdparty companies not related in any way to StarTech.com. Where they occur these references are for illustrative purposes only
and do not represent an endorsement of a product or service by StarTech.com, or an endorsement of the product(s) to which
this manual applies by the third-party company in question. StarTech.com hereby acknowledges that all trademarks, registered
trademarks, service marks, and other protected names and/or symbols contained in this manual and related documents are the
property of their respective holders.
Warranty Information
This product is backed by a two-year warranty.
For further information on product warranty terms and conditions, please refer to www.startech.com/warranty.
Limitation of Liability
In no event shall the liability of StarTech.com Ltd. and StarTech.com USA LLP (or their ocers, directors, employees or agents)
for any damages (whether direct or indirect, special, punitive, incidental, consequential, or otherwise), loss of prots, loss of
business, or any pecuniary loss, arising out of or related to the use of the product exceed the actual price paid for the product.
Some states do not allow the exclusion or limitation of incidental or consequential damages. If such laws apply, the limitations
or exclusions contained in this statement may not apply to you.
Safety Measures
• If product has an exposed circuit board, do not touch the product under power.
Mesures de sécurité
• Si l’un des circuits imprimés du produit est visible, ne pas touchez le produit lorsqu’il est sous tension.
安全対策
• 製品に露出した状態の回路基盤が含まれる場合、電源が入っている状態で製品に触らないでください。
Connection DiagramInstallation
Misure di sicurezza
• Se il prodotto ha un circuito stampato visibile, non toccare il prodotto quando è acceso.
Säkerhetsåtgärder
• Rör aldrig vid enheter med oskyddade kretskort när strömmen är påslagen.
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StarTech.com LLP
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43137
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