Manual Revision: 10/05/2011

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DE: Bedienungsanleitung - de.startech.comFR: Guide de l'utilisateur - fr.startech.comES: Guía del usuario - es.startech.comIT: Guida per l'uso - it.startech.comNL: Gebruiksaanwijzing - nl.startech.comPT: Guia do usuário - pt.startech.com

ST1212T

2 Port VGA Extender over Cat5

*actual product may vary from photos

Instruction Manual

FCC Compliance StatementThis 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 off 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 different from that to which the receiver is

connected.• Consult the dealer or an experienced radio/TV technician for help.

Use of Trademarks, Registered Trademarks, and other Protected Names and SymbolsThis 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.

Instruction Manual i

TableofContentsIntroduction ............................................................................................1

PackagingContents.................................................................................................................................1

SystemRequirements..............................................................................................................................1

View1............................................................................................................................................................2

View2............................................................................................................................................................2

Preparing Your Site ................................................................................3

Installation ..............................................................................................4HardwareInstallation..............................................................................................................................4

DriverInstallation......................................................................................................................................5

Operation ................................................................................................5

Wiring Diagram ......................................................................................6

Specifications ..........................................................................................7

Technical Support ..................................................................................8

Warranty Information ............................................................................8

Instruction Manual 1

IntroductionTheST1212T2PortVGAVideoExtenderoverCat5isdesignedforusewithourST121VGAoverCat5extensionseries,offeringconvenientVGAvideodistributionatdistancesofupto492feet(150meters)usingstandardCat5(orbetter)cabling.

Comprisedofthetransmitterunitonly,theST1212TrequiresoneReceiverUnit(ST121R)perdisplaythatyouareconnecting.

Foraddedversatility,theVGAoverCat5Repeater(ST121EXT)canbeusedtoextendthedistancebetweenthetransmitterandreceiverbyanadditional492-feet(150meters),foratotaldistanceof984-feet(300meters).Similarly,upto3repeaterunitscanbeusedbetweentransmitterandreceiver,enablingyoutoconnectmonitorsateachrepeater,whilestillextendingthetotaldistance.

Packaging Contents• 1xVGAoverCat5VideoTransmitter• 1xSetofrubberfeet• 1xUniversalPowerAdapter(NA/UK/EU)• 1xInstructionManual

System Requirements• VGAenabledvideosourcedevice(e.g.computer,PVR/DVR,etc.)• VGAenableddisplaydevice(e.g.monitor,projector,HDTV,etc.)• VGAcablingtoconnectvideosourceanddisplay(s)• VGAoverCat5Receivermodule-StarTech.com ID:ST121R(soldseparately)• AvailableACelectricaloutletattransmitterandreceiverlocations

Instruction Manual 2

View 1

View 2

Power LED

Active LED

VGA connector (input)

VGA connector (output)

RJ45 connectors (output)

DC Power connector

Instruction Manual 3

PreparingYourSite1. Determinewherethelocalvideosource(i.e.computer,PVR/DVR)willbelocatedand

physicallysetupthevideosourcedevice.

2. Determinewheretheremotedisplay(s)willbelocatedandplace/mountthedisplay(s)appropriately.

Please notethatbothextenderunits(transmitter/receiver)willrequireapowerconnection,sopleaseensurethateachunitwillbesituatednearanavailableelectricaloutlet.

3. Ifyouareusingsurfacecabling,ensureyouhaveenoughCat5unshieldedtwistedpair(UTP)EthernetcablingtoconnecttheTransmitterUnittotheReceiverUnit’slocation,andthateachendisterminatedwithaRJ45Ethernetconnector.Thecablingshouldnotgothroughanynetworkingequipment(i.e.router,switch).

ORIfyouareusingpremisecabling,ensurethattheCat5unshieldedtwistedpair(UTP)EthernetCablingbetweentheTransmitterUnitandtheReceiverUnithasbeenproperlyterminatedinawalloutlet/panelineachlocationandthereisapatchcablelongenoughtoconnecttheReceiverUnitandtheTransmitterUnittotheirrespectiveoutlets.Thecablingshouldnotgothroughanynetworkingequipment(i.e.router,switch).

Instruction Manual 4

InstallationATTENTION!For the best results, please ensure the video extender units and any display equipment are properly grounded. Improper grounding may result in signal noise or potential damage to the extender units.

Hardware Installation

ST1212T

ST121R

1. Turnoffthevideosource(i.e.computer)andtheintendeddisplaydevices(i.e.monitors).

2. PositiontheST121RReceiverUnit(s)(soldseparately)neartheintendedremotedisplay(s).

OPTIONAL:withtheoptionalmountingbrackets(StarTech.com ID: ST121MOUNT),anyST121seriesreceivercanbesecurelymountedtoawallorothersurface.

*installation photos are for reference only

3. PositiontheST1212TTransmitterUnitnearthevideosource.

4. Connectthevideosourcetothe“Input”maleVGAconnectorontheTransmitterUnit,usingastandardVGAmale/femalecable.Alocaldisplaycanbeconnectedtothe“MonitorOut”VGAconnectorontheTransmitterUnit.

Instruction Manual 5

5. Connecttheremotedisplay(s)tothe“MonitorOut”portslocatedontheReceiverUnitusingaVGAmale/malecable.EachReceiverUnitsupportstwomirrored(identical)VGAoutputs.

6. ConnecttheTransmitterUnittoeachReceiverUnit,usingstandardRJ45terminatedCat5cable(see“PreparingYourSite”).

OPTIONAL:IfusingtheST121EXTExtenderUnit(s),thedistancebetweentheTransmitterandReceiverunitscanbeextendedbyuptoanadditional150m/492ft.TheST121EXTalsosupports2VGAoutputsandrequiresanACelectricaloutlet.

7. Connectthepoweradapters(provided)tobothTransmitterandReceiverUnits.

8. Turnonthedisplaydevicefirst,followedbythevideosource.

Driver InstallationNodriverorsoftwareinstallationisrequiredonthevideosourcedevice.

OperationTheST1212TprovidesLEDindicators,allowingsimpleoperatingstatusmonitoring.Oncethepoweradapterhasbeenconnected,thePowerLEDwillbecomeilluminated;similarly,whentheunitisinuse(i.e.transmittingavideosignal),theActiveLEDwillbecomeilluminated.

Instruction Manual 6

WiringDiagramTheUTPcablemustbewiredaccordingtotheEIA/TIA568Bindustrystandardasshownbelow.

Pin Wire Color Pair

1 White/Orange2

2 Orange

3 White/Green 3

4 Blue1

5 White/Blue

6 Green 3

7 White/Brown4

8 Brown

Instruction Manual 7

SpecificationsVideo Signal VGA(RGBHV)

External Connectors

1xDE-15VGAfemale

1xDE-15VGAmale

2xRJ45Ethernetfemale

1xDCPower

LEDs1xPower

1xActive/Link

Supported Video Resolutions1600x1200@50m/150ft

1280x1024@100m/300ft

1024x768@150m/492ft

Maximum Cable Length 150m/492ft@1024x768

Power Adapter 9V~12VDC,600mA,centerpositive

Enclosure Material Metal

Operating Temperature 0°C~40°C(32°F~104°F)

Storage Temperature -10°C~60°C(14°F~140°F)

Humidity 0%~80%RH

Dimensions 102.0mmx60.0mmx20.0mm

Weight 200g

Instruction Manual 8

TechnicalSupportStarTech.com’s lifetime technical support is an integral part of our commitment to provide industry-leading solutions. If you ever need help with your product, visit www.startech.com/support and access our comprehensive selection of online tools, documentation, and downloads.For the latest drivers/software, please visit www.startech.com/downloads

WarrantyInformationThis product is backed by a three year warranty. In addition, StarTech.com warrants its products against defects in materials and workmanship for the periods noted, following the initial date of purchase. During this period, the products may be returned for repair, or replacement with equivalent products at our discretion. The warranty covers parts and labor costs only. StarTech.com does not warrant its products from defects or damages arising from misuse, abuse, alteration, or normal wear and tear.

Limitation of LiabilityIn no event shall the liability of StarTech.com Ltd. and StarTech.com USA LLP (or their officers, directors, employees or agents) for any damages (whether direct or indirect, special, punitive, incidental, consequential, or otherwise), loss of profits, 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.

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