Extron electronics VSW 2VGA A User Manual

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User’s Manual

2-Input, 1-output VGA and Audio Switcher

68-1111-01 Rev. D

11 09

VSW 2VGA A

Precautions

This symbol is intended to alert the user of important operating and maintenance (servicing) instructions in the literature provided with the equipment.

This symbol is intended to alert the user of the presence of uninsulated dangerous voltage within the product’s enclosure that may present a risk of electric shock.

Caution

Read Instructions • Read and understand all safety and operating

instructions before using the equipment.

Retain Instructions • The safety instructions should be kept for future

reference.

Follow Warnings • Follow all warnings and instructions marked on the

equipment or in the user information.

Avoid Attachments • Do not use tools or attachments that are not

recommended by the equipment manufacturer because they may be hazardous.

Warning

Power sources • This equipment should be operated only from the power source

indicated on the product. This equipment is intended to be used with a main power system with a grounded (neutral) conductor. The third (grounding) pin is a safety feature, do not attempt to bypass or disable it.

Power disconnection • To remove power from the equipment safely, remove all power

cords from the rear of the equipment, or the desktop power module (if detachable), or from the power source receptacle (wall plug).

Power cord protection • Power cords should be routed so that they are not likely to be

stepped on or pinched by items placed upon or against them.

Servicing • Refer all servicing to qualiﬁed service personnel. There are no user-

serviceable parts inside. To prevent the risk of shock, do not attempt to service this equipment yourself because opening or removing covers may expose you to dangerous voltage or other hazards.

Slots and openings • If the equipment has slots or holes in the enclosure, these are

provided to prevent overheating of sensitive components inside. These openings must never be blocked by other objects.

Lithium battery • There is a danger of explosion if battery is incorrectly

replaced. Replace it only with the same or equivalent type recommended by the manufacturer. Dispose of used batteries according to the manufacturer’s instructions.

Ce symbole sert à avertir l’utilisateur que la documentation fournie avec le matériel contient des instructions importantes concernant l’exploitation et la maintenance (réparation).

Ce symbole sert à avertir l’utilisateur de la présence dans le boîtier de l’appareil de tensions dangereuses non isolées posant des risques d’électrocution.

Attention

Lire les instructions• Prendre connaissance de toutes les consignes de

sécurité et d’exploitation avant d’utiliser le matériel.

Conserver les instructions• Ranger les consignes de sécurité aﬁn de pouvoir

les consulter à l’avenir.

Respecter les avertissements • Observer tous les avertissements et consignes

marqués sur le matériel ou présentés dans la documentation utilisateur.

Eviter les pièces de xation • Ne pas utiliser de pièces de ﬁxation ni d’outils

non recommandés par le fabricant du matériel car cela risquerait de poser certains dangers.

Avertissement

Alimentations• Ne faire fonctionner ce matériel qu’avec la source d’alimentation

indiquée sur l’appareil. Ce matériel doit être utilisé avec une alimentation principale comportant un ﬁl de terre (neutre). Le troisième contact (de mise à la terre) constitue un dispositif de sécurité : n’essayez pas de la contourner ni de la désactiver.

Déconnexion de l’alimentation• Pour mettre le matériel hors tension sans danger,

déconnectez tous les cordons d’alimentation de l’arrière de l’appareil ou du module d’alimentation de bureau (s’il est amovible) ou encore de la prise secteur.

Protection du cordon d’alimentation • Acheminer les cordons d’alimentation de

manière à ce que personne ne risque de marcher dessus et à ce qu’ils ne soient pas écrasés ou pincés par des objets.

Réparation-maintenance • Faire exécuter toutes les interventions de réparation-

maintenance par un technicien qualiﬁé. Aucun des éléments internes ne peut être réparé par l’utilisateur. Aﬁn d’éviter tout danger d’électrocution, l’utilisateur ne doit pas essayer de procéder lui-même à ces opérations car l’ouverture ou le retrait des couvercles risquent de l’exposer à de hautes tensions et autres dangers.

Fentes et orices • Si le boîtier de l’appareil comporte des fentes ou des oriﬁces, ceux-ci

servent à empêcher les composants internes sensibles de surchauffer. Ces ouvertures ne doivent jamais être bloquées par des objets.

Lithium Batterie • Il a danger d’explosion s’ll y a remplacment incorrect de la batterie.

Remplacer uniquement avec une batterie du meme type ou d’un ype equivalent recommande par le constructeur. Mettre au reut les batteries usagees conformement aux instructions du fabricant.

Safety Instructions • English

Consignes de Sécurité • Français

Sicherheitsanleitungen • Deutsch

Dieses Symbol soll dem Benutzer in der im Li efe rum fan g en tha lte nen D oku men tation besonders wichtige Hinweise zur Bedienung und Wartung (Instandhaltung) geben.

Dieses Symbol soll den Benutzer darauf aufmerksam machen, daß im Inneren des Gehäuses dieses Produktes gefährliche Spannungen, die nicht isoliert sind und die einen elektrischen Schock verursachen können, herrschen.

Achtung

Lesen der Anleitungen • Bevor Sie das Gerät zum ersten Mal verwenden,

sollten Sie alle Sicherheits-und Bedienungsanleitungen genau durchlesen

und verstehen.

Aufbewahren der Anleitungen • Die Hinweise zur elektrischen Sicherheit

des Produktes sollten Sie aufbewahren, damit Sie im Bedarfsfall darauf

zurückgreifen können.

Befolgen der Warnhinweise • Befolgen Sie alle Warnhinweise und

Anleitungen auf dem Gerät oder in der Benutzerdokumentation.

Keine Zusatzgeräte • Verwenden Sie keine Werkzeuge oder Zusatzgeräte,

die nicht ausdrücklich vom Hersteller empfohlen wurden, da diese eine Gefahrenquelle darstellen können.

Vorsicht

Stromquellen • Dieses Gerät sollte nur über die auf dem Produkt angegebene

Stromquelle betrieben werden. Dieses Gerät wurde für eine Verwendung mit einer Hauptstromleitung mit einem geerdeten (neutralen) Leiter konzipiert. Der dritte

Kontakt ist für einen Erdanschluß, und stellt eine Sicherheitsfunktion dar. Diese

sollte nicht umgangen oder außer Betrieb gesetzt werden.

Stromunterbrechung • Um das Gerät auf sichere Weise vom Netz zu trennen, sollten

Sie alle Netzkabel aus der Rückseite des Gerätes, aus der externen Stomversorgung (falls dies möglich ist) oder aus der Wandsteckdose ziehen.

Schutz des Netzkabels • Netzkabel sollten stets so verlegt werden, daß sie nicht im

Weg liegen und niemand darauf treten kann oder Objekte darauf- oder unmittelbar

dagegengestellt werden können.

Wartung • Alle Wartungsmaßnahmen sollten nur von qualiziertem Servicepersonal

durchgeführt werden. Die internen Komponenten des Gerätes sind wartungsfrei. Zur Vermeidung eines elektrischen Schocks versuchen Sie in keinem Fall, dieses Gerät selbst öffnen, da beim Entfernen der Abdeckungen die Gefahr eines elektrischen Schlags und/oder andere Gefahren bestehen.

Schlitze und Öffnungen • Wenn das Gerät Schlitze oder Löcher im Gehäuse aufweist,

dienen diese zur Vermeidung einer Überhitzung der empndlichen Teile im

Inneren. Diese Öffnungen dürfen niemals von anderen Objekten blockiert werden.

Litium-Batterie • Explosionsgefahr, falls die Batterie nicht richtig ersetzt

wird. Ersetzen Sie verbrauchte Batterien nur durch den gleichen oder einen vergleichbaren Batterietyp, der auch vom Hersteller empfohlen wird. Entsorgen Sie verbrauchte Batterien bitte gemäß den Herstelleranweisungen.

Este símbolo se utiliza para advertir al usuario sobre instrucciones importantes de operación y mantenimiento (o cambio de partes) que se desean destacar en el contenido de la documentación suministrada con los equipos.

Este símbolo se utiliza para advertir al usuario sobre la presencia de elementos con voltaje peligroso sin protección aislante, que puedan encontrarse dentro de la caja o alojamiento del producto, y que puedan representar riesgo de electrocución.

Precaucion

Leer las instrucciones • Leer y analizar todas las instrucciones de operación y

seguridad, antes de usar el equipo.

Conservar las instrucciones • Conservar las instrucciones de seguridad para

futura consulta.

Obedecer las advertencias • Todas las advertencias e instrucciones marcadas

en el equipo o en la documentación del usuario, deben ser obedecidas.

Evitar el uso de accesorios • No usar herramientas o accesorios que no

sean especiﬁcamente recomendados por el fabricante, ya que podrian implicar riesgos.

Advertencia

Alimentación eléctrica • Este equipo debe conectarse únicamente a la fuente/tipo

de alimentación eléctrica indicada en el mismo. La alimentación eléctrica de este equipo debe provenir de un sistema de distribución general con conductor neutro a tierra. La tercera pata (puesta a tierra) es una medida de seguridad, no puentearia ni eliminaria.

Desconexión de alimentación eléctrica • Para desconectar con seguridad la acometida

de alimentación eléctrica al equipo, desenchufar todos los cables de alimentación en el panel trasero del equipo, o desenchufar el módulo de alimentación (si fuera independiente), o desenchufar el cable del receptáculo de la pared.

Protección del cables de alimentación • Los cables de alimentación eléctrica se deben

instalar en lugares donde no sean pisados ni apretados por objetos que se puedan apoyar sobre ellos.

Reparaciones/mantenimiento • Solicitar siempre los servicios técnicos de personal

caliﬁcado. En el interior no hay partes a las que el usuario deba acceder. Para evitar riesgo de electrocución, no intentar personalmente la reparación/mantenimiento de este equipo, ya que al abrir o extraer las tapas puede quedar expuesto a voltajes peligrosos u otros riesgos.

Ranuras y aberturas • Si el equipo posee ranuras o oriﬁcios en su caja/alojamiento,

es para evitar el sobrecalientamiento de componentes internos sensibles. Estas aberturas nunca se deben obstruir con otros objetos.

Batería de litio •

Existe riesgo de explosión si esta batería se coloca en la posición incorrecta. Cambiar esta batería únicamente con el mismo tipo (o su equivalente) recomendado por el fabricante. Desachar las baterías usadas siguiendo las instrucciones del fabricante.

Instrucciones de seguridad • Español

VSW 2VGA A • Table of Contents

FCC Class A Notice

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. 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. The Class A limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference, in which case the user will be required to correct the interference at his own expense.

This unit was tested with shielded cables on the peripheral devices. Shielded cables must be used

with the unit to ensure compliance with FCC emissions limits.

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VSW 2VGA A • Table of Contents

Table of Contents

All trademarks mentioned in this manual are the properties of their respective owners.

Chapter One • Introduction ................................................... 1-1

About this Manual .................................................................... 1-2

About the VSW 2VGA A .......................................................... 1-2

Daisy Chaining the VSW 2VGA A ......................................... 1-3

Features ........................................................................................1-4

Chapter Two • Installation and Operation ................. 2-1

Installation Overvie ............................................................... 2-2

Mounting the VSW 2VGA A ................................................... 2-2

Rack shelf mounting .............................................................. 2-3

UL rack mounting guidelines .................................................2-3

Rack mounting instructions ...................................................2-3

Under-desk mounting ............................................................ 2-6

Through-desk mounting ........................................................ 2-6

Front Panel Features ................................................................. 2-8

Rear Panel Features................................................................... 2-9

Setting the VSW 2VGA A Jumpers ...................................... 2-10

Poer connection ................................................................ 2-13

Operation ................................................................................... 2-14

Input selection...................................................................... 2-14

Using the VSW I AAP ........................................................... 2-14

Setting the VSW I AAP jumpers...........................................2-14

Single sitcher example ......................................................2-14

Daisy chain conguration ...................................................2-15

Loop conguration ...............................................................2-15

Loop conguration example ...............................................2-16

Tree conguration ................................................................2-18

Tree conguration example .................................................2-18

Appendix A • Specications, Part Numbers, and

Accessories ........................................................................................A-1

Specications ..............................................................................A-2

Included Parts .............................................................................A-5

Accessories ...................................................................................A-5

VSW 2VGA A • Table of Contents

Table of Contents, cont’d

VSW 2VGA A

Chapter One

Introduction

About this Manual

About the VSW 2VGA A

Daisy Chaining the VSW 2VGA A

Features

VSW 2VGA A • Introduction

Introduction

1-2

About this Manual

This manual contains information about the Extron VSW 2VGA A switcher. The terms “VSW 2VGA A” and “switcher” are used interchangeably in this manual. The Extron VSW I AAP interface (part # 70-529-xx), an optional accessory used when several VSW 2VGA A switchers are daisy chained together, is also discussed.

About the VSW 2VGA A

The Extron VSW 2VGA A is a compact and economical twoinput, one-output VGA switcher with unbalanced stereo audio and 300 MHz (-3 dB) video bandwidth. It accepts two VGA-QXGA, RGBHV, RGBS, RGsB, RsGsBs, component video, or HDTV component video inputs. The switcher has two unbalanced stereo audio inputs and one unbalanced stereo audio output. It also features a buffered local monitor output for Input 1.

A front panel toggle switch, a contact closure controller, or the autoswitching option can be used for input selection.

VSW 2VGA A • Introduction

1-3

Daisy Chaining the VSW 2VGA A

Up to ten VSW 2VGA A switchers can be daisy chained together with each switcher's input separately fed and controlled by an optional accessory interface, the VSW I AAP (part #70-529-xx). Figure 1-1 is an example of how several such switcher-interface combinations can be daisy chained together in a boardroom environment.

In 1

In 2

Extron’s pre-made VGA with audio cable assemblies.

Expandable, economical presentation chain for

conference rooms and library study rooms.

Out In 2

Extron VSW 2VGA A

VGA Switcher

In 1

Out In 2

In 1

Out

Extron VSW 1 AAP

Extron VSW I AAP

Extron’s pre-made

VGA with audio cable

assemblies.

Projector

VSW 2VGA A

INPUT 1

INPUT 2

VSW 2VGA A

VSW I AAP

COMPUTER

AUDIO

SHOW ME

VSW I AAP

COMPUTER

AUDIO

SHOW ME

VSW 2VGA A

INPUT 1

INPUT 2

VSW 2VGA A

VSW I AAP

COMPUTER

AUDIO

SHOW ME

VSW 2VGA A

INPUT 1

INPUT 2

VSW 2VGA A

VSW I AAP

COMPUTER

AUDIO

SHOW ME

VSW 2VGA A

INPUT 1

INPUT 2

Figure 1-1 — Daisy chaining the multiple switchers

By default, all switchers are set to input 2 as the active input; therefore, in a daisy chain of switchers the VGA and audio signals ﬂow from one switcher to input 2 of the next switcher in the chain. The switchers are daisy chained in this fashion until the last switcher in the daisy chain outputs to a projector and audio ampliﬁer.

Up to ten switchers can be daisy chained together without any degradation in picture quality. One power supply powers up to ﬁve switchers.

VSW 2VGA A • Introduction

Introduction, cont’d

1-4

Features

Autoswitching ability — The VSW 2VGA A can detect active

sync signals and automatically switch to the highest numbered active input.

Furniture mountable — The VSW 2VGA A can be mounted

on a rack shelf, under a desk or podium, through a desk or furniture, or to a projector mount, using optional hardware.

Daisy chaining — Multiple VSW 2VGA A switchers can be

daisy chained together to form a presentation system. Each switcher can then be separately controlled through an Extron VSW I AAP interface.

Stereo audio — Unbalanced stereo audio inputs and outputs on

3.5 mm stereo mini jacks.

VSW 2VGA A

Chapter Two

Installation and Operation

Installation Overview

Mounting the VSW 2VGA A

Front Panel Features

Rear Panel Features

Operation

VSW 2VGA A • Installation and Operation

Installation and Operation

2-2

Installation Overview

To install and set up the VSW 2VGA A for operation, follow these steps:

Turn all of the equipment off. Make sure that the video

and audio sources (computers, stereos, tape decks, or other devices), the VSW 2VGA A, the output devices (projectors, speakers), and the contact closure control device are all turned off and disconnected from the power source.

If you are going to daisy chain two or more switchers with

VSW I AAP control panels, identify the revision of the VSW 2VGA A board (for conﬁguring the VSW I AAPs) and conﬁgure the switchers' jumpers. See “Setting the

VSW 2VGA A Jumpers” on page 2-10.

If desired, mount the switcher. See “Mounting the

VSW 2VGA A” in this chapter.

Attach the cables. See “Front Panel Features" and "Rear

Panel Features" in this chapter.

Connect power cords and turn on the devices in the

following order: output devices, contact closure controller, VSW 2VGA A switcher, and input devices.

Select an input using the front panel input toggle switch or

the contact closure controller.

The image should now display, and sound should be

audible. If not, ensure that all devices are plugged in and receiving power. Check the cabling and make adjustments as needed. Select a different input to check for a picture and sound.

Mounting the VSW 2VGA A

If you are going to daisy chain two or more switchers with

VSW I AAP control panels, identify the revision of the VSW 2VGA A board (for conﬁguring the VSW I AAPs) and conﬁgure the switchers' jumpers before mounting the switchers. See “Setting the VSW 2VGA A Jumpers” on page 2-10.

The VSW 2VGA A can be mounted in a rack, or under or through furniture, using one of the following optional mounting kits:

 • RSF1233inchrackshelfkit(part#60-190-20)  • RSB1233inchrackshelf(part#60-604-20)

VSW 2VGA A • Installation and Operation

2-3

 • RSU1266inchdeepuniversalrackshelfkit(part#60-

190-10)

 • RSB1266inchdeepbasicrackshelf(part#60-604-10)  • RSU1299inch1Uuniversalrackshelfkit(part#60-190-

01)

 • RSB1299inch1Ubasicrackshelf(part#60-604-01)  • MBU125Under-deskmountkit(part#70-077-01)  • MBD129Through-deskmountkit(part#70-077-02)

When mounting the switcher, take cabling and power availability into consideration. Follow the appropriate mounting procedure on the following pages.

Rack shelf mounting

UL rack mounting guidelines

The following Underwriters Laboratories (UL) guidelines pertain to the safe installation of the VSW 2VGA A in a rack.

1. Elevated operating ambient temperature — If installed in

a closed or multi-unit rack assembly, the operating ambient temperature of the rack environment may be greater than room ambient temperature. Therefore, install the switcher in an environment compatible with the maximum ambient temperature (Tma = +122° F, +50° C) speciﬁed by Extron.

2. Reduced air ﬂow — Install the equipment in a rack so that

the amount of air ﬂow required for safe operation of the equipment is not compromised.

3. Mechanical loading — Mount the equipment in the rack

so that a hazardous condition is not achieved due to uneven mechanical loading.

4. Circuit overloading — Connect the equipment to

the supply circuit and consider the effect that circuit overloading might have on overcurrent protection and supply wiring. Appropriate consideration of equipment nameplate ratings should be used when addressing this concern.

5. Reliable earthing (grounding) — Maintain reliable

grounding of rack-mounted equipment. Pay particular attention to supply connections other than direct connections to the branch circuit (e.g. use of power strips).

Rack mounting instructions

If feet were installed on the bottom of the switcher, remove

them.

VSW 2VGA A • Installation and Operation

Installation and Operation, cont’d

2-4

2. Mount the VSW 2VGA A on one of the following rack

shelves:

•

RSF 123 rack shelf kit (part #60-190-20)

•

RSB 123 rack shelf (part #60-604-20)

•

 RSU1266inchdeepuniversalrackshelfkit

(part #60-190-10)

• RSB1266inchdeepbasicrackshelf(part#60-604-10)

• RSU 129 1U universal rack shelf kit (part #60-190-01)

•

RSB 129 1U basic rack shelf (part #60-604-01)

On the standard rack shelf, the switcher mounts in one

of four locations to the rear of the rack or in one of four locations to the front of the rack.

Attach the switcher to the rack shelf using two

4-40x3/16inchmachinescrews.Insertthescrewsfrom

the underside of the shelf and securely fasten them into diagonally opposite corners, as shown in ﬁgure 2-1.

(2) 4-40 x 3/16" Screws

Use 2 mounting holes on opposite corners.

VersaTools Rack Shelf

1/4 Rack Width Front False Faceplate

Figure 2-1 — Mounting the VSW 2VGA A on a rack shelf

Since the switcher is 1.0 inch high, there will be a gap of

0.75 inch above the switcher.

VSW 2VGA A • Installation and Operation

2-5

4. Attach the rack shelf to the rack using four

10-32 x 3/4 inch bolts (provided). Insert the bolts through #10 beveled washers, then through the holes in the rack ears and rack, as shown in ﬁgure 2-2.

Use 2 mounting holes on opposite corners.

(2) 4-40 x 3/16" Screws

1U Universal Rack Shelf

Figure 2-2 — Mounting the VSW 2VGA A on a standard 1U rack shelf

VSW 2VGA A • Installation and Operation

Installation and Operation, cont’d

2-6

Under-desk mounting

1. Attach the under-desk mounting brackets (MBU 125, part #70-077-01) to the VSW 2VGA A with the four provided machine screws, as shown in ﬁgure 2-3.

Figure 2-3 — Under-desk mounting brackets

2. Hold the switcher with attached brackets against the mounting surface. Use a soft pencil to mark the location of holes for screws on the desk or other furniture.

3. Drill 1/4 inch(6.4mm)deep,3/32 inch (2 mm) diameter pilot holes in the table or desk at the marked screw locations from the underside/inside (concealed side) of the furniture, where the switcher will be located.

4. Attach the VSW 2VGA A to the desk with the provided wood screws.

Through-desk mounting

1. Hold the front panel of the switcher against the furniture. Use a soft pencil to mark the rough-in opening on the desk. The opening, 1.125 inch x 4.425 inch (2.8 cm x 11.2 cm) will be slightly larger than the switcher enclosure.

2. Cut out the material from the rough-in area with a jigsaw. Check the opening size by inserting the switcher part way through the hole. If needed, use a saw, ﬁle, or sandpaper to enlarge the hole. Smooth the edges of the hole with sandpaper.

VSW 2VGA A • Installation and Operation

2-7

3. Attach the through-desk mounting brackets (MBD 129, part #70-077-02) to the VSW 2VGA A with the four provided machine screws, as shown in the throughdesk mounting diagram on the next page.

4. Hold the switcher with attached brackets up against the underside of the desk or table. Use a soft pencil to mark the locations of the holes for the screws that will attach the brackets to the desk.

5. Drill 1/4 inch(6mm)deep,3/32 inch (2 mm) diameter pilot holes in the desk or table at the marked screw locations. The holes should be drilled from the underside or inside (concealed side) of the furniture, where the switcher will be located.

6. Attach the switcher to the desk or table with the provided wood screws, as shown in ﬁgure 2-4.

2VG

INPU

T 1

INPU

T 2

Figure 2-4 — Through-desk mounting

7. To adjust the height of the switcher within the desk, slightly loosen the screws that attach the brackets to the switcher, adjust the height by sliding the switcher up or down, and retighten the screws.

VSW 2VGA A • Installation and Operation

Installation and Operation, cont’d

2-8

Front Panel Features

VSW 2VGA A

INPUT 1

INPUT 2

5 4 7 6

Figure 2-5 — VSW 2VGA A front panel features

Input 1 LED indicator — This LED lights green whenever

input 1 (video and audio) is selected.

Input 2 LED indicator — This LED lights green whenever

input 2 (video and audio) is selected.

The LEDs a and b above also serve as power up

indicators. When the switcher is powered up, the selected input's LED lights green.

Input select toggle switch — Toggling this switch up selects

input 1; toggling it down selects input 2.

Input 1 video — Input VGA-QXGA, RGBHV, RGBS, RGsB,

RsGsBs, component video, or HDTV component video through this female 15-pin HD connector.

Input 1 audio — Input unbalanced stereo audio through this

3.5mmminiaudiojack(gure2-6).

Sleeve ( )

Ring (R)

Tip (L)

3.5 mm Stereo Plug Connector (unbalanced)

Figure 2-6 — Audio input connector

Input 2 video — Input VGA-QXGA, RGBHV, RGBS, RGsB,

RsGsBs, component video, or HDTV component video through this female 15-pin HD connector.

Input 2 audio — Input unbalanced stereo audio through this

3.5mmminiaudiojack.Seegure2-6.

VSW 2VGA A • Installation and Operation

2-9

Rear Panel Features

POWER 12V

.1A MAX

VSW 2VGA A

AUTO-SW

CONTACT

OUTPUT

VGA IN 1 LOOP

1 2

AUD OUT

1 5 2 3 4

Figure 2-7 — VSW 2VGA A rear panel features

Power connector — Connect the included 12 VDC external

power supply to the 2-pole, 3.5 mm captive screw connector.

One power supply can power up to ﬁve switchers.

See "Power connection" in this chapter.

Loop Thru Input 1 connector — female 15-pin HD connector for

buffered local monitor output from Input 1

Output — female 15-pin HD connector for output from Input

1 or Input 2. The output video type follows input type and is either VGA-QXGA, RGBHV, RGBS, RGsB, RsGsBs, component video, or HDTV component video.

Audio Output connector — Unbalanced stereo audio is output

from this 3.5 mm mini audio jack (ﬁgure 2-8).

Sleeve ( )

Ring (R)

Tip (L)

3.5 mm Stereo Plug Connector (unbalanced)

Figure 2-8 — Audio output connector

If you are daisy chaining, connect the other end of

the audio cable to the audio Input 2 connector on the downstream switcher.

Contact closure/Autoswitching (Contact/Auto-SW) —

Contact closure — Connect a contact closure device to this

3-pole, 3.5 mm captive screw connector.

• Pin 1 selects Input 1 when momentarily connected to

ground (pin 3).

VSW 2VGA A • Installation and Operation

Installation and Operation, cont’d

2-10

• Pin 2 selects Input 2 when momentarily connected to

ground (pin 3).

• Ground connects to the ground wire (equipment

ground).

Simultaneously connecting both pins 1 and 2 to

ground (pin 3) turns autoswitching mode on.

Autoswitching —

Autoswitch mode must be disabled when daisy chaining

VSW 2VGA A switchers. If the autoswitch mode is enabled, the switchers cannot be daisy chained.

RGsB and RsGsBs inputs and outputs occur in manual

mode only.

Autoswitching requires TTL level sync on pin 13 of the

15-pin HD connector.

Pins 1, 2, and Ground when jumpered/shorted together (as shown at right) turn the autoswitching mode on. When the autoswitching mode is on, the switcher automatically switches to the input that has an active sync signal.

If both inputs have an active sync signal present, input 2 is selected, and the input 2 LED indicator lights. If no active sync signal is present, the input 1 LED indicator still lights to indicate that the unit is still powered on.

When the autoswitch mode is active, both daisy chaining

and the front panel's input toggle switch are disabled, and the input cannot be manually switched. Any attempt to toggle the switch while the switcher is in this mode results in the ﬂashing of the currently active input's LED indicator. Contact closure is also disabled while in autoswitch mode.

Setting the VSW 2VGA A Jumpers

If you plan to use the VSW I AAP and/or create a daisy

chain conﬁguration, you must conﬁgure the switchers before installing them in a rack or furniture and making connections.

Daisy chaining VSW 2VGA A switchers requires you to check and/or set internal jumpers in the switcher.

. If applicable, disconnect all power to the switcher and any

attached devices.

1 2

CONTACT

1 2

VSW 2VGA A • Installation and Operation

2-11

2. Remove the two screws on each side of the switcher

(ﬁgure 2-9). Remove the four connector nuts on the front panel of the switcher. Lift the top cover off of the switcher.

VSW 2VGA A

INPUT 1

INPUT 2

Remove (4) Connector Nuts

Remove (4) Screws

Figure 2-9 — Removing the cover

JMP4

JMP3

JMP5

JMP6

FRONT PANEL

JMP1

EXTRON 20-881-nn x

ER:- yyyyyyyy yyyy

Figure 2-10 — VSW 2VGA A jumper locations

3. Set the jumpers for the switcher. See ﬁgure 2-11.

4. Set the cover in place and resinstall the screws remove in

step 2.

Therearevejumpers,numberedJMP1,andJMP3thruJMP6,

that control daisy chaining on the VSW 2VGA A switcher (ﬁgure 2-10). Both data and power must be daisy chained from one switcher to another.

VSW 2VGA A • Installation and Operation

Installation and Operation, cont’d

2-12

OPEN CLOSED

All jumpers are set open (disabled) by default.

Open or close the indicated jumpers in the table below, as needed, to adjust the appropriate settings. See “Using the VSW I AAP” and “Daisy chain configuration” in this chapter for other jumper settings.

Pin 5 - Control Pin 9 - +5 VDC

Input 1

Input 2

Output

JMP 1

JMP 4

JMP 6

JMP 3

JMP 5

Figure 2-11 — Jumper positions

These jumpers enable or disable VGA connector pin 5 (control) and VGA connector pin 9 (power) of the switcher inputs and outputs. Close (install) the jumper for VGA connector pin 5 to daisy chain data to the next switcher, and close (install) the jumper for VGA connector pin 9 to daisy chain power to the next switcher.

When the switchers are not daisy chained together or used

with the VSW I AAP, all jumpers should be in the default (open) position.

VSW 2VGA A • Installation and Operation

2-13

Power connection

One power supply can power up to ﬁve daisy chained switchers. Additional switchers require one or more power supplies. See "Daisy chain conﬁguration", later in this chapter.

Figure 2-12 shows how to wire the power connector.

Power Supply

Output Cord

Captive Screw

Connector

SECTION A–A

Ridges

Smooth

A A

3/16” (5 mm) Max.

(to ground)

Figure 2-12 — Power connector wiring

The two power cord wires must be kept separate

while the power supply is plugged in. Remove power before wiring.

When you are connecting the power supply, voltage

polarity is critical. Applying power with incorrect voltage polarity could damage the power supply and the VSW 2VGA A. Identify the power cord negative (ground) lead by the ridges on the side of the cord or a black heat shrink wrapping around it.

Strip the jacket to expose 3/16 inch (5 mm) of the

conductors. Do not tin the stripped power supply leads before installing the captive screw connector. Tinned wires are not as secure in the captive screw connectors and could be pulled out.

To verify the polarity before connection, check the no load power supply output with a voltmeter.

The maximum number of switchers that can be daisy

chained is limited by several factors: power consumption, cable lengths, and the overall distortion of the video and audio signals.

VSW 2VGA A • Installation and Operation

Installation and Operation, cont’d

2-14

Operation

Apply power and the input signals. The video and audio output connectors, including the Loop Thru Input 1 connector, should output signals.

Input selection

There are three ways to select between Input 1 and Input 2:

 • Togglethefrontpanelinputselectswitchup(Input1)or

down (Input 2).

 • Usetherearpanelcontactclosurecapability.  • PresstheShowMebuttonontheVSWIAAPtoselectthe

input on the connected VSW 2VGA A switcher.

Using the VSW I AAP

The VSW I AAP can be used on the inputs of a single switcher or on the inputs of multiple switchers in a daisy chain conﬁguration.

Setting the VSW I AAP jumpers

A jumper on the VSW I AAP may need to be shifted from

jumperJ6(thedefaultposition)toJ5,dependingonthe

application. See the following illustration and table.

Jumper installed

Switcher compatibility

VSW 2VGA A (Input 1)

VSW 2VGA A (Input 2)

Single switcher example

The following illustration is an example of a single switcher conﬁguration.

VSW 2VGA A • Installation and Operation

2-15

VSW 2VGA A

INPUT 1

INPUT 2

1 2

Out

VSW I AAP

COMPUTER

AUDIO

SHOW ME

VSW I AAP

COMPUTER

AUDIO

SHOW ME

Out

Internal Jumper Settings

Jumper

JMP1

JMP3

JMP4

JMP5

JMP6

Setting

Closed

Open

12 V Power Supply*

Input 1

Input 2

VSW I AAP

SHOW ME

Figure 2-13 — Single switcher conﬁguration

Press the Show Me button on the VSW I AAP to select the corresponding input on the VSW 2VGA A.

Daisy chain conguration

Multiple VSW 2VGA A switchers can be daisy chained together in a loop conﬁguration or a tree comﬁguration.

Daisy chaining uses all pins and wires of a standard VGA

cable. Not all VGA cables include all pins and wires. Ensure that the VGA cable that you use has all 15 pins connected.

Loop conguration

In a loop conﬁguration, the output of each VSW 2VGA A is connected to Input 2 of the next VSW 2VGA A switcher. This repetition of one switcher's output to another switcher's input can be repeated for up to a maximum of 10 switchers in a daisy chain. The output of the ﬁrst switcher is connected to a display.

Source signals are connected to Input 1 of each VSW 2VGA A switcher either directly or through the VSW I AAP interface. Select the source by toggling to Input 1 on the VSW 2VGA A's front panel (or through contact closure on the rear panel) or by pressing the VSW I AAP's Show Me button for the corresponding switcher.

 • Upto10switcherscanbedaisychainedinthis

conﬁguration without any signal degradation.

 • Apowersupplyisrequiredforevery5switchers.

VSW 2VGA A • Installation and Operation

Installation and Operation, cont’d

2-16

 • CongurethejumpersoneachVSW2VGAAaccordingto

the following example.

 • TheVSWIAAPisconguredforaloopcongurationby

default.

In a loop conﬁguration, the "show me" feature can be used

without a VSW I AAP control panel. Select Input 1 using either the front panel toggle switch (see item

in "Front

Panel Features") or the rear panel contact closure control

(see item

in "Rear Panel Features") to issue the "show

me" control signal.

Loop conguration example

The illustration on the following page is an example of daisy chaining using a loop conﬁguration.

VSW 2VGA A • Installation and Operation

2-17

VSW 2VGA A

INPUT 1

INPUT 2

VSW 2VGA A

INPUT 1

INPUT 2

VSW 2VGA A

INPUT 1

INPUT 2

Projector

VSW 2VGA A VSW 2VGA A VSW 2VGA A

VSW I AAP

COMPUTER

AUDIO

SHOW ME

VSW I AAP

COMPUTER

AUDIO

SHOW ME

VSW 2VGA A

INPUT 1

INPUT 2

VSW 2VGA A

INPUT 1

INPUT 2

VSW 2VGA A VSW 2VGA A

VSW I AAP

COMPUTER

AUDIO

SHOW ME

VSW I AAP

COMPUTER

AUDIO

SHOW ME

VSW I AAP

COMPUTER

AUDIO

SHOW ME

12V Power

Supply

VSW 2VGA A

INPUT 1

INPUT 2

VSW 2VGA A

INPUT 1

INPUT 2

VSW 2VGA A

INPUT 1

INPUT 2

VSW 2VGA A VSW 2VGA A VSW 2VGA A

VSW I AAP

COMPUTER

AUDIO

SHOW ME

VSW I AAP

COMPUTER

AUDIO

SHOW ME

VSW 2VGA A

INPUT 1

INPUT 2

VSW 2VGA A

INPUT 1

INPUT 2

VSW 2VGA A

In 1

In 2

Out

In 1

In 2

Out

In 1

In 2

Out

In 1

In 2

Out

In 1

In 2

Out

In 1

Out

In 1

In 2

Out

In 1

In 2

Out

In 1

In 2

Out

In 1

In 2

Out

VSW 2VGA A

VSW I AAP

COMPUTER

AUDIO

SHOW ME

VSW I AAP

COMPUTER

AUDIO

SHOW ME

VSW I AAP

COMPUTER

AUDIO

SHOW ME

12V Power

Supply

Jumper Setting

Closed

Jumper

Setting

Closed

Open

Jumper

JMP1

JMP3

JMP4

JMP5

JMP6

JMP1

JMP3

JMP4

JMP5

JMP6

JMP1

JMP3

JMP4

JMP5

JMP6

Setting

Closed

Open

Closed

Table 1

Table 2Table 3

Figure 2-14 — Loop conﬁguration

VSW 2VGA A • Installation and Operation

Installation and Operation, cont’d

2-18

Tree conguration

In a tree conﬁguration, the output of each VSW 2VGA A switcher is connected to input 1 or input 2 of the next switcher. This repetition of one switcher's output to another switcher's input can be repeated for up to a maximum of 10 switchers in a daisy chain. The output of the last switcher is connected to a display.

Source signals are connected to input 1 and input 2 of each VSW 2VGA A switcher at the top of the tree through a VSW I AAP interface. Select the source by pressing the VSW I AAP's Show Me button for the corresponding switcher.

 • Switcherscanbedaisychainedinthiscongurationupto

ten levels deep without any signal degradation.

 • Apowersupplyisrequiredforeachswitcherinthe

chain that has its output connected to input 1 of the next switcher.

 • Sourcescanonlybeselectedandconnectedtothe

switcher through the VSW I AAP interface.

 • EachVSWIAAPmustbeconguredforthetree

conﬁguration. See "Using the VSW I AAP" in this chapter for additional information.

Tree conguration example

The following illustration is a simple example of daisy chaining using a tree conﬁguration.

VSW 2VGA A • Installation and Operation

2-19

12 V Power Supply

VSW 2VGA A

INPUT 1

INPUT 2

VSW 2VGA A

Projector

Input 1

Out

Input 2

VSW 2VGA A

INPUT 1

INPUT 2

VSW 2VGA A

INPUT 1

INPUT 2

1 2 3 4

Out

VSW I AAP

COMPUTER

AUDIO

SHOW ME

VSW I AAP

COMPUTER

AUDIO

SHOW ME

VSW I AAP

COMPUTER

AUDIO

SHOW ME

VSW I AAP

COMPUTER

AUDIO

SHOW ME

Out

Jumper

Internal Jumper Settings

JMP1

JMP3

JMP4

JMP5

JMP6

Setting

Closed

Jumper

JMP1

JMP3

JMP4

JMP5

JMP6

Setting

Closed

Open

12 V Power Supply*

Input 1

Input 2

Input 1

Input 2

* Every switcher connected to Input 1 of another switcher must have its own power supply.

Figure 2-15 — Tree conﬁguration

VSW 2VGA A • Installation and Operation

Installation and Operation, cont’d

2-20

VSW 2VGA A

Appendix A

Specications, Part Numbers,

and Accessories

Speciﬁcations

Included Parts

Accessories

VSW 2VGA A • Specications, Part Numbers, and Accessories

Specications, Part Numbers, and Accessories

A-2

Specications

Video

Gain ................................................. Unity

Bandwidth ...................................... 300 MHz (-3 dB)

Video input and loop through

Number/signal type ..................... 2 VGA-QXGA RGBHV, RGBS, RGsB*,

RsGsBs*, HDTV component video* input 1 VGA-QXGA RGBHV, RGBS, RGsB, RsGsBs, HDTV component video* local monitor loop-through

RGsB, RsGsBs, and HDTV component video inputs and

outputs work in manual mode only. Autoswitching requires TTL level sync on pin 13 of the 15-pin HD connector.

Connectors ..................................... 3 female 15-pin HD

Pin connections .............................. ID bits on pins 4, 11, 12, 15 from inputs 1

and 2: passed to main output Pin 9 of input 1: ﬂoating Pin 9 of input 2: used for the Show-Me feature

Nominal level

................................ 1.0 Vp-p for Y of component video

0.7 Vp-p for RGB and for R-Y and B-Y of component video

Minimum/maximum levels

........ Analog: 0.4 V to 1.8 Vp-p with no offset

Impedance ...................................... 75 ohms

Horizontal frequency .................... 15 kHz to 145 kHz

Vertical frequency .......................... 30 Hz to 170 Hz

Video output

Number/signal type ..................... 1 VGA-QXGA RGBHV, RGBS, RGsB*,

RsGsBs*, HDTV component video* (follows input type)

Connectors

..................................... 1 female 15-pin HD

Nominal level ................................ 1.0 Vp-p for Y of component video

0.7 Vp-p for RGB and for R-Y and B-Y of component video

Minimum/maximum levels

........ 0.4 V to 1.8 Vp-p (follows input)

Impedance ...................................... 75 ohms

ID bits are passed through from VGA inputs to the VGA output.

VSW 2VGA A • Specications, Part Numbers, and Accessories

A-3

Sync

Input type ....................................... RGBHV, RGBS, RGsB*, RsGsBs*, bi-level

and tri-level (HDTV) component video sync

Output type

.................................... RGBHV, RGBS, RGsB*, RsGsBs*, bi-level

and tri-level (HDTV) component video sync (follows input)

Input level

...................................... 1.8 V to 5.0 Vp-p

Output level ................................... TTL: 5.0 V p-p, unterminated

Input impedance ........................... 510 ohms

Output impedance ........................ 50 ohms

Max. input voltage ........................ 5.0 Vp-p

Max. rise/fall time ........................ 40 ns

Polarity............................................ Positive or negative (follows input)

Audio

Gain ................................................. Unbalanced output: 0 dB

Frequency response ...................... 20 Hz to 20 kHz, ±0.05 dB

THD + Noise .................................. 0.002% @ 1 kHz at nominal level (-10 dBV)

S/N .................................................. 94 dB at maximum output (unweighted)

Crosstalk ......................................... -50 dB @ 20 kHz, -75 dB @ 1 kHz and

below60Hz

Stereo channel separation ............ 96dB@1kHz

Audio input

Number/signal type ..................... 2 stereo, unbalanced

Connectors ..................................... (2) 3.5 mm mini audio jacks (tip, ring,

sleeve)

Impedance

...................................... 22k ohms unbalanced, AC coupled

Nominal level ................................ -10dBV(316mVrms)

Maximum level .............................. +9 dBV, (unbalanced) at 1% THD+N

0 dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV ≈ 2 dBu

Audio output

Number/signal type ..................... 1 stereo, unbalanced

Connectors ..................................... (1) 3.5 mm mini audio jack (tip, ring,

sleeve)

VSW 2VGA A • Specications, Part Numbers, and Accessories

Specications, Part Numbers, and Accessories

A-4

Impedance ...................................... 50 ohms unbalanced

Gain error ....................................... ±0.1 dB channel to channel

Maximum level (Hi-Z) ................. >+9 dBV, unbalanced at 1% THD+N

Maximumlevel(600ohm) ........... >+7 dBV, unbalanced at 1% THD+N

Control/remote — switcher

Contact closure .............................. (1) 3.5 mm captive screw connector, 3 pole

for momentary contact

Contact closure pin conﬁgurations

. 1 = input 1 select, 2 = input 2 select, 3 =

GND Shorting all three pins together enables autoswitch mode.

Loop signal

..................................... Momentary low, 250 µs

General

External power supply ................. 100VACto240VAC,50-60Hz,external;to

12 VDC, 1 A (max.), regulated

Power input requirements

........... 12 VDC, 0.1 A

Temperature/humidity ................ Storage: -40 to +158 °F (-40 to +70 °C) /

10% to 90%, noncondensing Operating: +32 to +122 °F (0 to +50 °C) / 10% to 90%, noncondensing

Cooling

........................................... Convection, no vents

Mounting

Rack mount

........................ Yes, with optional 1U rack shelf

Furniture mount ................ Yes, with optional under-desk mounting

kit or through-desk mounting kit

Pole mount

......................... Yes, with optional pole mount kit

Enclosure type ............................... Metal

Enclosure dimensions ................... 1.0" H x 4.3" W x 3.0" D (quarter rack

wide)

2.5cmHx10.9cmWx7.6cmD (Depth excludes connectors.)

Product weight

.............................. 0.5 lb (0.3 kg)

Shipping weight ............................ 3 lbs (2 kg)

Vibration ......................................... ISTA 1A in carton (International Safe

Transit Association)

Regulatory compliance

Listings

................................ CE, c-UL, UL

Compliances ....................... CE, C-tick, FCC Class A, ICES, VCCI

VSW 2VGA A • Specications, Part Numbers, and Accessories

A-5

Included Parts

These items are included in each order for a VSW 2VGA A:

Included parts Part number

to reorder

VSW 2VGA A 60-758-01

12 VDC, 1A external power supply 70-775-01

3.5 mm 3-pole captive screw connector

3.5 mm 2-pole captive screw connector

VSW 2VGA A Setup Guide

Accessories

Accessories Part number

VSW I AAP — black 70-529-11

VSW I AAP — white 70-529-21

VSW I AAP — RAL9010 white 70-529-51

RSB 123 — 1U basic rack shelf

60-604-21

RSF 123 — 1U rack shelf kit

60-190-20

RSU126— 1U6"deepuniversalrackshelfkit

60-190-10

RSB126—1U6"deepbasicrackshelf 60-604-11

RSU 129 — 1U universal rack shelf kit 60-190-01

RSB 129 — 1U basic rack shelf 60-604-02

MBU 125 — 1U under-desk mount kit 70-077-01

MBD 129 — 1U through-desk mount kit 70-077-02

MTBF

............................................... 30,000 hours

Warranty ......................................... 3 years parts and labor

All nominal levels are at ±10%.

Speciﬁcations are subject to change without notice.

VSW 2VGA A • Specications, Part Numbers, and Accessories

Specications, Part Numbers, Accessories, cont’d

A-6

Cable Accessories Part number

VGA with audio cables 26-490-xx

VGA to BNC-5 female cables (SY VGA), 0.5' - 100' (0.15 m - 30.4 m)

26-531-xx

VGA to BNC-5 male cables (SY VGA), 0.5' - 100' (0.15 m - 30.4 m)

26-533-xx

MSR6Adapter,6"(0.15m) 26-592-01

3.5 mm Mini Stereo-HQ/10 100-331-01

VSW 2VGA A • Specications, Part Numbers, and Accessories

A-7

VSW 2VGA A • Specications, Part Numbers, and Accessories

Specications, Part Numbers, Accessories, cont’d

A-8

Extron Warranty

Extron Electronics warrants this product against defects in materials and workmanship for a period of three years from the date of purchase. In the event of malfunction during the warranty period attributable directly to faulty workmanship and/or materials, Extron Electronics will, at its option, repair or replace said products or components, to whatever extent it shall deem necessary to restore said product to proper operating condition, provided that it is returned within the warranty period, with proof of purchase and description of malfunction to:

USA, Canada, South America, and Central America:

Extron USA 1001 East Ball Road

Anaheim, CA 92805

U.S.A.

Europe, Africa, and the Middle East:

Extron Europe

Hanzeboulevard 10 3825 PH Amersfoort

The Netherlands

Asia:

Extron Asia 135 Joo Seng Road #04-01 PM Industrial Bldg. Singapore 368363 Singapore

Japan:

Extron Japan Kyodo Building, 16 Ichibancho Chiyoda-ku, Tokyo 102-0082 Japan

China:

Extron China 686 Ronghua Road Songjiang District Shanghai 201611 China

Middle East:

Extron Middle East

Dubai Airport Free Zone F12, PO Box 293666 United Arab Emirates, Dubai

This Limited Warranty does not apply if the fault has been caused by misuse, improper

handling care, electrical or mechanical abuse, abnormal operating conditions or nonExtron authorized modiﬁcation to the product.

If it has been determined that the product is defective, please call Extron and ask for an Applications Engineer at (714) 491-1500 (USA), 31.33.453.4040 (Europe), 65.6383.4400 (Asia), or 81.3.3511.7655 (Japan) to receive an RA# (Return Authorization number). This will begin the repair process as quickly as possible.

Units must be returned insured, with shipping charges prepaid. If not insured, you

assume the risk of loss or damage during shipment. Returned units must include the serial number and a description of the problem, as well as the name of the person to contact in case there are any questions.

Extron Electronics makes no further warranties either expressed or implied with respect to the product and its quality, performance, merchantability, or ﬁtness for any particular use. In no event will Extron Electronics be liable for direct, indirect, or consequential damages resulting from any defect in this product even if Extron Electronics has been advised of such damage.

Please note that laws vary from state to state and country to country, and that some provisions of this warranty may not apply to you.

Extron USA - West

Headqu arter s

+800 .633.987 6

Inside USA / Canada Only

+1.714.491.1500 +1.714.491.1517 FAX

Extron USA - East

+800 .633.987 6

Inside USA / Canada Only

+1.919.863.179 4 +1.919.863.179 7 FAX

Extron Europe

+800 .3987.6673

Inside Europe Only

+31.33. 453.404 0 +31.33. 453.405 0 FAX

Extron Asia

+800 .7339.876 6

Inside Asia Only

+65.6 383.44 00 +65.6 383.46 64 FAX

Extron Japan

+81.3.3 511.765 5 +81.3.3 511.765 6 FAX

Extron China

+400 .883.1568

Inside China Only

+86. 21.3760.1568 +86. 21.3760.1566 FA X

Extron Middle East

+971.4. 2991800 +971.4. 2991880 FA X

Extron electronics VSW 2VGA A User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual