StarTech.com ST12MHDLAN2K User manual

Manual Revision: 10/22/2018
User Manual
For the latest information and specications visit
www.startech.com/ST12MHDLAN2K
www.startech.com/ST12MHDLAN2R
HDMI Over IP Extender Kit - 1080p
Actual product may vary from photos
SKU#: ST12MHDLAN2K & ST12MHDLAN2R

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Compliance Statements
FCC Compliance Statement
This equipment has been tested and found to comply
with the limits for a Class A 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 dierent
from that to which the receiver is connected
• Consult the dealer or an experienced radio/TV technician for
help
Industry Canada Statement
This Class A 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)

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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
third-party 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. Regardless of any direct acknowledgement
elsewhere in the body of this document, 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.
For the State of California
WARNING: Cancer and Reproductive Harm
www.P65Warnings.ca.gov

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Safety Statements
Safety Measures
• Wiring terminations should not be made with the product and/or electric
lines under power.
• Product installation and/or mounting should be completed by a certied
professional as per the local safety and building code guidelines.
• Cables (including power and charging cables) should be placed and routed
to avoid creating electric, tripping or safety hazards.
Mesures de sécurité
• Les terminaisons de câblâge ne doivent pas être eectuées lorsque le produit
et/ou les câbles électriques sont sous tension.
• L’installation et/ou le montage du produit doit être réalisé par un
professionnel certié et dans le respect des normes locales et du code de
construction local.
• Les câbles (y compris les câbles d’alimentation et de chargement) doivent
être placés et acheminés de façon à éviter tout risque électrique, de chute ou
de sécurité
安全対策
• 電源が入っている状態の製品または電線の終端処理を行わないでください。
• 製品の設置やマウントは、使用地域の安全ガイドラインおよび建築基準に従い、有資格の専門業者が行うようにしてください。
• ケーブル（電源ケーブルと充電ケーブルを含む）は、適切な配置と引き回しを行い、電気障害やつまづきの危険性など、安全上のリスクを回避するよう
にしてください。
Misure di sicurezza
• I terminiali dei li elettrici non devono essere realizzate con il prodotto e/o le
linee elettriche sotto tensione.
• L’installazione e/o il montaggio dei prodotti devono essere eseguiti da un
tecnico professionale certicato che conosca le linee guida locali sulle norme
edilizie e sulla sicurezza.
• I cavi (inclusi i cavi di alimentazione e di ricarica) devono essere posizionati
e stesi in modo da evitare pericoli di inciampo, rischi di scosse elettriche o
pericoli per la sicurezza.
Säkerhetsåtgärder
• Montering av kabelavslutningar får inte göras när produkten och/eller
elledningarna är strömförda.
• Installation och/eller montering får endast göras av behöriga yrkespersoner
och enligt gällande lokala förordningar för säkerhet och byggnormer.
• Kablar (inklusive elkablar och laddningskablar) ska dras och placeras på så
sätt att risk för snubblingsolyckor och andra olyckor kan undvikas.

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Table of Contents
Compliance Statements........................................................................1
Safety Statements..................................................................................3
Product Diagram ....................................................................................6
Transmitter Front....................................................................................................................................... 6
Transmitter Rear ........................................................................................................................................ 6
Receiver Front............................................................................................................................................. 7
Receiver Rear .............................................................................................................................................. 7
Product Information ..............................................................................8
Package Contents (ST12MHDLAN2K)................................................................................................ 8
Package Contents (ST12MHDLAN2R)................................................................................................ 8
Requirements ............................................................................................................................................. 9
Installation ..............................................................................................10
Optional Installation..............................................................................11
Using a Separate 3.5 mm Audio Source............................................................................................ 11
Connect the Devices to a Gigabit LAN Network............................................................................ 11
Using the RJ-11 to RS-232 Adapters................................................................................................... 12
Installing the IR Receiver and IR Blaster............................................................................................ 13
Mounting the Extender........................................................................................................................... 14
Installing the Feet ..................................................................................................................................... 15
Conguration..........................................................................................16
Rotary DIP Switch...................................................................................................................................... 16
Serial 1 Control Port ................................................................................................................................. 16

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Audio Embed Switch ............................................................................................................................... 16
Function Buttons....................................................................................................................................... 17
Rebooting the System............................................................................................................................. 18
StarTech.com Wall Control App ........................................................................................................... 19
General Navigation and Operation .................................................................................................... 19
Software Installation .............................................................................20
Connecting Transmitters and Receivers to the Software ........................................................... 21
Adjusting the IP Address and Subnet Masks .................................................................................. 22
Switching Your Remote Displays Between Video Sources ......................................................... 24
Conguring Your Remote Displays for a Video Wall Application............................................. 26
Adjusting Video Tear ................................................................................................................................ 33

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Product Diagram
Actual product may vary from photos
Transmitter Front
Transmitter Rear
F2
Cong.
Button F1 Link
Button
IR In
Port Audio
Out Port
DIP
Rotary
Switch
Serial 1
Control
Port
(RJ-11)
IR Out
Port
DC 12V
Power
Port
LAN
Port Video In
Port
Audio In
Port
LED Indicator
Locking
Screw
Audio
Embed
Switch
Reset
Button
Serial
2 Aux/
Ext
Port
(RJ-11)

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Receiver Front
Receiver Rear
DIP
Rotary
Switch
F2
Cong.
Button F1 Link
Button
IR Out
Port Audio In
Port
IR In
Port
Output
Resolution
Switch
DC 12V
Power
Port
LAN
Port Video In
Port Audio
Out
Port
LED Indicator
Locking
Screw
Reset
Button
Serial
2 Aux/
Ext
Port
(RJ-11)
Serial 1
Control
Port
(RJ-11)

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Product Information
Package Contents (ST12MHDLAN2K)
• HDMI Transmitter x 1
• HDMI Receiver x 1
• Universal Power Adapters (NA, EU, UK, ANZ) x 2
• Hardware Kit x 1
• Mounting Brackets x 2
• Mounting Screws x 8
• HDMI Locking Screws x 2
• Plastic Screwdriver x 1
• CAT5 Cable x 1
• RJ-11 to RS-232 Adapters x 2
• RJ-11 Cables x 2
• IR Blaster x 1
• IR Receiver x 1
• Foot Pads x 8
• User Manual x 1
Package Contents (ST12MHDLAN2R)
• HDMI Receiver x 1
• Universal Power Adapters (NA, EU, UK, ANZ) x 1
• Hardware Kit x 1
• Mounting Brackets x 2
• Mounting Screws x 8
• HDMI Locking Screws x 1

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• Plastic Screwdriver x 1
• CAT5 Cable x 1
• RJ-11 to RS-232 Adapters x 1
• RJ-11 Cables x 1
• IR Blaster x 1
• IR Receiver x 1
• Foot Pads x 4
• User Manual x 1
Requirements
For the latest requirements, please visit www.startech.com/
ST12MHDLAN2K or www.startech.com/ST12MHDLAN2R.
Installation:
• Phillips Head Screwdriver
• Writing Utensil
• Level
Display:
• HDMI Displays x 1 (per HDMI Receiver)
Devices:
• HDMI Video Source x 1 (per HDMI Transmitter)