Extron electronic RSB 126 User Manual

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User’s Manual

SW USB Series

USB Switchers

68-1517-01 Rev. B

11 08

Precautions

Safety Instructions • English

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.

Consignes de Sécurité • Français

Ce s ymbole s ert à a vertir l ’utilisa teur qu e 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.

Sicherheitsanleitungen • Deutsch

Dies es Sym bol so ll dem Benut zer in der i m Li efe rum fan g e nth alt ene n Do kum ent ati on besonders wichtige Hinweise zur Bedienung und Wartung (Instandhaltung) geben.

Dieses Symbol soll den Benutzer darauf aufmerksam machen , daß im I nneren des Gehäuses d ieses 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.

Instrucciones de seguridad • Español

Este símbolo se util iza para advertir al usuario sobre instruc ciones importantes de ope ración y mantenimiento (o cambio de partes) que se desean destac ar en el c ontenido de la docume ntación 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.

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.

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.

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.

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.

Extron’s 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

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.

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

安全须知 • 中文

这个符号提示用户该设备用户手册中有重要的操作和维护说明。

这个符号警告用户该设备机壳内有暴

露的危险电压，有触电危险。

注意

阅读说明书 • 用户使用该设备前必须阅读并理

解所有安全和使用说明。

保存说明书 • 用户应保存安全说明书以备将来使

用。

遵守警告 • 用户应遵守产品和用户指南上的所有安

全和操作说明。

避免追加 • 不要使用该产品厂商没有推荐的工具或

追加设备，以避免危险。

警告

电源 • 该设备只能使用产品上标明的电源。设备

必须使用有地线的供电系统供电。第三条线（地线）是安全设施，不能不用或跳过。

拔掉电源 • 为安全地从设备拔掉电源，请拔掉所有设备后

或桌面电源的电源线，或任何接到市电系统的电源线。

电源线保护 • 妥善布线，避免被踩踏，或重物挤压。维护 • 所有维修必须由认证的维修人员进行。设备内部没

有用户可以更换的零件。为避免出现触电危险不要自己试图打开设备盖子维修该设备。

通风孔 • 有些设备机壳上有通风槽或孔，它们是用来防止

机内敏感元件过热。不要用任何东西挡住通风孔。

锂电池 • 不正确的更换电池会有爆炸的危险。必须使用与

厂家推荐的相同或相近型号的电池。按照生产厂的建议处理废弃电池。

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.

Quick Start Guide — SW USB Series

Follow these steps to set up and start using the SW USB switcher:

Step 1

Mount the SW USB on a rack shelf or under furniture, if desired. See “Mounting the SW USB Series Switcher”, in chapter 2, “Installation”, for mounting procedures.

Step 2

Connect host device(s) to one or more SW USB input connectors, using A to B type USB cable lengths of up to 15' (4.5 m).

Step 3

Connect one or more peripheral USB devices (such as a keyboard and/or mouse) to the USB Output Hub ports, using USB cable lengths of up to 15' (4.5 m).

If host emulation will be used (SW USB Plus only): Attach a standard keyboard and/or mouse to output port 3 and/or 4, and set the appropriate DIP switch(es) to on. (See “Host Emulation [SW4 USB Plus only],” in chapter 3, “Operation.”)

Step 4

If desired, connect an RS-232 cable to the SW USB’s RS-232 port and to a host computer or control system. (See “Wiring for RS-232 Communication,” in chapter 2, “Installation”.)

Your RS-232 computer or control system should not be one

of the host devices connected to any of the input ports. Use a separate computer for RS-232 communication.

Step 5

If desired, connect an external Extron A/V switcher to the RS-232 Pass Thru port. This switcher can then be controlled via commands sent through this port.

Step 6

If using RS-232 pass-through to control an A/V switcher, enter one of the following SIS™ (Simple Instruction Set) commands via your RS-232 interface to select a loop mode for issuing commands. (See “RS-232 Pass Thru port” in chapter 2, “Installation”.)

•

1LOOP} (Loop 1 mode [default]) — Lets you issue SIS

commands to the SW USB via an RS-232 interface and/or pass them through to the A/V switcher.

0LOOP} (Loop 0 mode) — Lets you issue the input selection

command X! ! to the SW USB via contact closure, the SW USB front panel buttons, or the RS-232 interface, and to pass the command through the RS-232 Pass Thru port to the A/V switcher.

SW USB Series • Quick Start Guide

QS-1

Quick Start Guide — SW USB Series, cont’d

OUTPUT

REMOTE

OUTPUT

SW4 VGA Ars

100-240V 0.2A

50-60Hz

INPUTS

USB SWITCHED INPUTS

USB OUTPUTS HUB

Tx Rx

RS-232

PASS THRU

USB 3

USB 1

USB 2

USB 4

1.5A MAX

12V

POWER

PC 1

PC 2

PC 3

PC 4

MOUSE

KEYBOARD

OFF

HOST

EMULATION

CONTACT

Flat Panel Display

Extron SW4 VGA Ars

VGA/Audio Switcher

Desktop PC #1

Desktop PC #3

Desktop PC #4

RS-232 Loop Out

Extron SW4 USB Plus

USB Switcher

USB

RS-232

RS-232 Control System

Mouse

Keyboard

VGA Outputs

Desktop PC #2

Quick Start Guide — SW USB Series, cont’d

Table of Contents

Step 7

Step 8

Step 9

QS-2

If desired, connect a 2-button or 4-button contact closure device to the SW USB’s Contact port. (See “Contact Closure Control,” in chapter 2, “Installation”.)

If using a different external power supply from the provided one, wire the two-pin captive screw connector to the power supply. (See “Wiring the Power Connector,” in chapter 2, “Installation”.)

Power on the system components in the following order:

a. USB peripheral device(s) b. The SW USB switcher c. The host device(s)

Connection diagram for an SW4 USB Plus switcher with a keyboard and mouse application

SW USB Series • Quick Start Guide

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

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

About the SW USB Series ....................................................... 1-2

Features ........................................................................................1-2

Application Diagrams ............................................................... 1-4

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

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

Mounting the SW USB Series Sitcher .............................. 2-3

Tabletop use ...........................................................................2-3

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

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

Rack mounting procedure .....................................................2-4

Furniture mounting ...............................................................2-5

Rear Panel Features................................................................... 2-7

Wiring the Poer Connector ................................................. 2-9

Wiring for RS-232 Communication .................................... 2-10

RS-232 port ........................................................................... 2-10

RS-232 Pass Thru port .......................................................... 2-11

Contact Closure Control ........................................................2-12

Controlling an Extron A/V sitcher in Loop 0 mode ........ 2-12

Connecting Multiple SW USB Sitchers in a System .. 2-13

Chapter Three • Operation ...................................................... 3-1

Front Panel Features ................................................................. 3-2

Operations .................................................................................. 3-3

Poering on the sitcher ..................................................... 3-3

Selecting an input .................................................................. 3-3

Selecting an input from the front panel ..............................3-3

Selecting an input using contact closure ..............................3-4

Selecting an input using SIS commands ...............................3-4

Issuing commands to an Extron A/V sitcher via the

RS-232 Pass Thru port ............................................................ 3-4

SIS command processing in Loop 1 mode ............................3-5

Sending commands to an A/V sitcher using contact

closure .....................................................................................3-7

Enabling front panel lockout (executive mode .................. 3-7

Resetting................................................................................. 3-8

SW USB Series • Table of Contents

Table of Contents, cont’d

Host emulation (SW4 USB Plus only .................................... 3-8

Setting up for host emulation .............................................3-8

Supported peripheral devices................................................3-9

Troubleshooting ...................................................................3-10

Peripheral emulation (SW4 USB Plus only ........................ 3-10

Chapter Four • SIS Conﬁguration and Control ......... 4-1

Host-to-Sitcher Communications ...................................... 4-2

Sitcher-initiated messages ................................................. 4-2

Error responses ......................................................................4-2

Using the Command/Response Table ................................. 4-3

Symbol denitions ................................................................. 4-3

Updating the Firmare ........................................................... 4-6

Donloading and installing the Firmare Loader ............. 4-6

Donloading and installing the SW USB rmare ............ 4-7

Loading the rmare to the SW USB using the

Firmare Loader .................................................................... 4-8

Problem solving ....................................................................4-11

Appendix A • Speciﬁcations, Part Numbers,

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

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

Included Parts .............................................................................A-4

Accessories ...................................................................................A-4

Optional accessories ..............................................................A-4

Mounting options ..................................................................A-5

SW USB Series

Chapter One

Introduction

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

68-1517-01 Rev. B

SW USB Series • Table of Contents

About this Manual

About the SW USB Series

Features

Application Diagrams

11 08

Introduction

About this Manual

This manual describes the Extron SW2 USB, SW4 USB, and SW4 USB Plus switchers, and discusses how to install, congure, and operate them. The term “SW USB” is used throughout this manual to refer to all models.

About the SW USB Series

The Extron SW2 USB, SW4 USB, and SW4 USB Plus switchers enable USB peripheral devices (such as keyboards and mice) to be collectively switched between multiple host PCs. In addition, the SW USB Plus model provides host and peripheral emulation, enabling constant communication to peripheral devices and hosts.

A number of specialized features help to streamline system integration, including port status indication, RS-232 passthrough, front panel security lockout, and multiple control points.

The SW USB Series switchers also have integrated active USB hubs, allowing multiple USB peripherals to be connected to the switched PC inputs. Each port is can supply 5V, 500 mA to attached devices, per USB specication. In addition, the switchers are USB 2.0 compatible, and are compatible with all previous USB data rate specications, including low speed

1.5 Mbps, full speed 12 Mbps, and high speed 480 Mbps. RS-232 pass-through functionality reduces RS-232 control

port requirements by processing SIS™ (Simple Instruction Set) commands within the SW USB while also passing them through to other RS-232 controllable Extron audio and A/V switchers.

The SW USB Series are rack and furniture mountable, with 1U, half-rack width enclosures for simplied integration. All models include an external universal power supply for worldwide power compatibility.

Features

Outputs — Four female USB type A connectors act as a USB

hub, allowing simultaneous connection to multiple peripheral devices such as mass storage devices, keyboards, mice, and other human interface devices (HIDs). Each output supplies the 500 mA, 5V rating required in the USB specication.

USB 2.0 compatibility — The SW USB supports 480 Mbps high

speed communications and is backward compatible with all prior USB versions.

Enclosure — The SW USB Series switchers have compact 1U

high, ½-rack wide, 3.0 inches deep metal enclosures that can be easily placed or mounted in a variety of locations.

Active USB LEDs — These LEDs provide visual indication of

port status/activity for USB peripherals and all connected and active host devices.

Host and peripheral emulation — The SW4 USB Plus model

offers increased system reliability by providing an uninterrupted connection between host and peripheral devices, such as a standard keyboard and/or mouse. This means that, when a keyboard or a mouse is connected to port 3 or 4, and the appropriate rear panel DIP switch is set to on, the SW USB switches to the connected keyboard or mouse instantly. See “Host emulation (SW4 USB Plus only),” in chapter 3, “Operation”, for more information.

RS-232 control and pass-through — You can control the

SW USB switcher by issuing SIS commands to it via the RS-232 interface. In addition, these SIS commands can be passed through the SW USB’s Pass Thru port to an RS-232 controllable Extron A/V switcher attached to the RS-232 Pass Thru port. (See chapter 4, “SIS Conguration and Control”, for an explanation of the available SIS commands.)

Contact closure control — Connecting a push-button contact

closure device to the SW USB’s Contact port, or shorting pin 1, 2, 3, or 4 to the ground (_) pin of the Contact port, provides an alternative method of input selection on the SW USB. Commands issued via contact closure can also be passed through the RS-232 Pass Thru port to an attached RS-232 controllable Extron switcher. See “Contact Closure Control”, in chapter 2, “Installation”, for more information.

Power supply — An external 12 VDC power supply with a

two-pin captive screw connector accepts 100 to 240 VAC.

Rack and furniture mounting — The SW USB switchers can be

mounted on a rack shelf or under a desk or podium, with an optional mounting kit.

Front panel security lockout (executive mode) — To prevent

unauthorized access to the switchers, executive mode can be enabled via the front panel or SIS commands. When the switcher is in executive mode, all front panel controls are disabled.

SW USB Series • Introduction

1-31-2

SW USB Series • Introduction

Introduction, cont’d

1-4

SW USB Series • Introduction

1-5

USB SWITCHING INPUT

Tx Rx

RS-232

CONTACT

RS-232

PASS THRU

USB OUTPUT HUB

USB 3

USB 1

PC 1

PC 2

PC 3

PC 4

USB 2

USB 4

0.4A MAX

12V

POWER

AAP 102

AUTO

SWITCH

USB OUT 1

USB OUT 2

USB 101 Rx

Extron SW4 USB

USB Switcher

USB

Interactive Whiteboard

USB

VTR001 AAP

Video:

RED

Channel

Horizontal Sync Pulse

Active Video

PC PC PC PC

100-240V 0.2A

50-60Hz

REMOTE

INPUTS

OUTPUT

SW6 VGA Ars

USB SWITCHING INPUT

Tx Rx

RS-232

CONTACT

RS-232

PASS THRU

USB OUTPUT HUB

USB 3

USB 1

PC 1

PC 2

PC 3

PC 4

USB 2

USB 4

1.5A MAX

12V

POWER

Extron SW4 USB

USB

RS-232 Loop Out

RS-232

VGA Outputs

VGA

VGA Out

Annotator

Projector

Control System with RS-232

Extron SW4 VGA Ars

VGA/Audio Switcher

Laptop

Visualizer

OUTPUT

REMOTE

OUTPUT

L R

SW4 VGA Ars

100-240V 0.2A

50-60Hz

INPUTS

USB SWITCHED INPUTS

USB OUTPUTS HUB

Tx Rx

RS-232

PASS THRU

USB 3

USB 1

USB 2

USB 4

1.5A MAX

12V

POWER

PC 1

PC 2

PC 3

PC 4

MOUSE

KEYBOARD

OFF

HOST

EMULATION

CONTACT

Extron SW4 VGA Ars

VGA/Audio Switcher

Desktop PC #1

Desktop PC #3

Desktop PC #4

RS-232 Loop Out

Extron SW4 USB Plus

USB Switcher

USB

RS-232

RS-232 Control System

Mouse

Keyboard

VGA Outputs

Desktop PC #2

Application Diagrams

The following diagrams provide examples of how an SW USB Series switcher may be connected.

Connection diagram for an SW4 USB switcher with interactive white board

Connection diagram for an SW4 USB switcher with an SW VGA series switcher in an annotator application

Connection diagram for an SW4 USB Plus switcher in a KVM (keyboard/video/mouse) switching application

Introduction, cont’d

SW USB Series

Chapter Two

1-6

Installation

Installation Overview

Mounting the SW USB Series Switcher

Rear Panel Features

Wiring the Power Connector

Wiring for RS-232 Communication

Contact Closure Control

Connecting Multiple SW USB Switchers in a System

SW USB Series • Introduction

SW USB Series • Installation

Installation

SW USB Series • Installation

2-2

2-3

Installation Overview

To install and set up the SW USB switcher,

Mount the switcher on a rack shelf or furniture, if desired.

Connect host device(s) to one or more SW USB input

connectors, using USB cable lengths of up to 15' (4.5 m).

Connect one or more peripheral USB devices to the SW USB Output Hub ports, using USB cable lengths of up to 15' (4.5 m).

If desired, connect an RS-232 cable to the SW USB’s RS-232

port and to a host computer or control system. (See “Wiring for RS-232 Communication,” later in this chapter.)

Your RS-232 computer or control system should

not be one of the host devices connected to any of the input ports. Use a separate computer for RS-232 communication.

If desired, connect an external Extron A/V switcher to

the RS-232 Pass Thru port. This switcher can then be controlled via commands sent through this port.

If desired, wire one of the provided three-pole captive

screw plugs to a 2-button or 4-button contact closure device, and connect the device to the SW USB’s Contact port. (See “Contact Closure Control,” later in this chapter.”)

If using a different power supply from the one that was

provided, wire the provided two-pin captive screw connector to the external power supply. (See “Wiring the Power Connector,” later in this chapter.)

(SW4 USB Plus only) If desired, attach a keyboard and/or

mouse to output port 3 and/or 4, and set the appropriate DIP switch(es) for host emulation. (See “Host emulation (SW4 USB Plus only),” in chapter 3, “Operation.”

Power on the USB peripheral devices, if applicable.

Power on the SW USB switcher.

Power on the host device(s).

Mounting the SW USB Series Switcher

The SW USB Series switcher can be set on a table, mounted on a rack shelf, or mounted under a desk, podium, or table.

Tabletop use

Four adhesive rubber feet are included with the SW USB switcher. For tabletop use, attach one foot at each corner on the bottom of the unit, and place the switcher in the desired location.

Rack mounting

For optional rack mounting, do not install the rubber feet. Mount the switcher on any of the following rack shelves:

• RSB 123 — 1U, 3.5" Deep VersaTools® Basic Rack Shelf

(part #60-604-20)

• RSF 123 — 1U, 3.5" Deep VersaTools Rack Shelf Kit

(part #60-190-20)

• RSB 126 — 1U, 6" Deep Basic Rack Shelf (part #60-604-10)

• RSU 126 — 1U, 6" Deep Universal Rack Shelf Kit

(part #60-190-10)

• RSB 129 — 1U, 9.5" Deep Basic Rack Shelf (part

#60-604-01)

• RSU 129 — 1U, 9.5" Deep Universal Rack Shelf Kit

(part #60-190-01)

UL rack mounting guidelines

The following Underwriters Laboratories (UL) guidelines pertain to the safe installation of the equipment in a rack.

1. Elevated operating ambient temperature — If the

equipment is 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 equipment in an environment compatible with the maximum ambient temperature (Tma = +122 °F, +50 °C) specied by Extron.

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

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

3. Mechanical loading — When mounting the equipment in

the rack, ensure that uneven mechanical loading does not cause a hazardous condition.

SW USB Series • Installation

Installation, cont’d

2-4

SW USB Series • Installation

2-5

Use 2 mounting holes on opposite corners.

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

1U Universal Rack Shelf

Front false faceplate uses 2 screws.

HalfRackVersaToolsStandardShelf

1/2 Rack Width Front False Faceplate

HalfRackVersaToolsShelf

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

Use 2 mounting holes on opposite corners.

VersaTools Rack Shelf

1/2 Rack Width Front False Faceplate

4. Circuit overloading — When connecting the equipment

5. Reliable earthing (grounding) — Maintain reliable

Rack mounting procedure

1. If feet were previously attached to the bottom of the

2. Mount the SW USB Series switcher on the rack shelf, using

3. Install blank panel(s) or other unit(s) on the rack shelf as

4. Install the shelf in the rack.

The following illustrations show examples of how the SW USB can be mounted on different sized rack shelves.

to the supply circuit, consider the effect that circuit overloading might have on overcurrent protection and supply wiring. Consider equipment nameplate ratings when addressing this concern.

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).

switcher, remove them.

two 4-40 x 3/16" screws in opposite (diagonal) corners to secure the unit to the shelf (see the gures below and on the next page).

desired.

Mounting an SW USB switcher on a standard 9.5-inch deep rack shelf

Furniture mounting

To mount the SW USB switcher under a desk, table, or podium, use the optional MBU 123 VersaTools Mini Under-Desk Mounting Kit (part #70-212-01), as follows:

1. If rubber feet were previously attached to the bottom of the

unit, remove them.

2. Remove the two screws from one side of the SW USB.

Retain the screws for possible later reassembly.

3. Attach one bracket to the side of the unit, using the

provided machine screws.

Mounting an SW USB switcher on a 3.5-inch deep VersaTools rack shelf

SW USB Series • Installation

Installation, cont’d

2-6

SW USB Series • Installation

2-7

USB SWITCHED INPUT

USB OUTPUT HUB

Tx Rx

RS-232

CONTACT

RS-232

PASS THRU

USB 3

USB 1

USB 2

USB 4

1.5A MAX

12V

POWER

PC 1

PC 2

USB SWITCHED INPUT

USB OUTPUT HUB

Tx Rx

RS-232

CONTACT

RS-232

PASS THRU

USB 3

USB 1

USB 2

USB 4

1.5A MAX

12V

POWER

PC 1

PC 2

PC 3

PC 4

USB SWITCHED INPUTS

USB OUTPUTS HUB

Tx Rx

RS-232

PASS THRU

USB 3

USB 1

USB 2

USB 4

1.5A MAX

12V

POWER

PC 1

PC 2

PC 3

PC 4

MOUSE

1 2

KEYBOARD

OFF

HOST

EMULATION

CONTACT

Rear Panel Features

SW2 USB rear panel

Preparing the SW USB for under-desk mounting

4. Repeat steps 2 and 3 on the other side of the SW USB.

5. Hold the unit with the attached brackets against the

underside of the table or other furniture. On the mounting surface, mark the location of the brackets’ screw holes.

6. Drill 3/32" (2 mm) diameter pilot holes, 1/4" (6.3 mm)

deep, into the mounting surface at the marked screw locations.

7. Insert #8 wood screws through the bracket holes and into

the four pilot holes. Tighten each screw into the mounting surface until slightly less than 1/4" of the screw head

SW4 USB rear panel

protrudes.

8. Align the mounting screws with the slots in the brackets

and place the unit against the surface, with the screws through the bracket slots.

9. Slide the unit slightly forward or back, then tighten all four

screws to secure it in place.

SW4 USB Plus rear panel

Input connectors — Connect host devices, such as computers,

to these female type B USB connectors, using cable lengths of up to 15' (4.5 m). Pinouts for these connectors follow the standard pinout as dened in USB specications.

SW USB Series • Installation

Installation, cont’d

2-8

SW USB Series • Installation

2-9

Orange Captive

Screw Connector

Tie Wrap

Heat Shrink

1/8”

(3 mm)

7/8”

(22 mm)

3/16”

(5 mm) Max.

RS-232 port — Connect a host computer or control system to

this three-pole, 3.5 mm captive screw connector is used for RS232 control and status feedback. The SW USB can be controlled via Extron’s Simple Instruction Set (SIS) commands. This port can also be used to update rmware.

Contact port — If desired, connect a two- or four-button contact

closure device to this three-pole (SW2) or ve-pole (SW4),

3.5 mm captive screw connector to enable input selection via contact closure.

RS-232 Pass Thru port — If desired, connect an Extron A/V

switcher to this three-pole, 3.5 mm connector. Commands issued via the SW-USB front panel, contact closure, or an RS-232 interface on a PC or control system can be sent through this port to the connected switcher.

Emulation DIP switches — (SW4 USB Plus only) These DIP

switches enable host emulation to a keyboard and/or mouse connected to output ports 3 and 4. Switch 1 enables host emulation to a mouse; switch 2 enables emulation to a keyboard.

When a keyboard or a mouse is connected to port 3 or 4, and the appropriate switch is set to on, the SW USB switches to the connected keyboard or mouse instantly, without the delay that normally occurs while the computer recognizes a new peripheral device. See “Host emulation (SW4 USB Plus only),” in chapter 3, “Operation”, for more information.

Your RS-232 computer or control system should not be

one of the host devices connected to the input ports. Use a separate computer for RS-232 communication.

Only Extron products can be controlled via this port.

Wiring the Power Connector

If using a different external power supply from the one provided with the SW USB, you may need to wire the connector for it.

To wire the power connector,

1. Cut the power supply’s DC output cord to the length

needed.

2. Strip the jacket to expose 3/16" (5 mm) of the conductors.

3. Slide the exposed leads into a two-pin captive screw plug

4. To verify the power cord’s polarity before connecting

5. Use the supplied tie-wrap to strap the power cord to the

The gure below shows how to wire the power connector.

Exposing more than 3/16” (5 mm) of the copper

wires could allow the stripped wires to touch each other, causing a short circuit. This could result in the external DC power supply overheating and/or burning.

Exposing less than the recommended amount may cause the wires to slide out of the connector too easily, even if they are tightly pinched by the captive screws.

and secure them by tightening the screws, using an Extron Tweeker or other small screwdriver.

it, plug in the power supply with no load and check the output with a voltmeter.

extended tail of the connector.

Output connectors — Connect peripheral USB devices, such as

keyboards and/or mice, to these female type A USB connectors, using cable lengths of up to 15' (4.5 m). All outputs supply the 500 mA, 5V rating as dened in USB specications.

Power connector — Attach the provided external 12 VDC power

supply to this two-pole, 3.5 mm captive screw connector.

The four outputs act as a USB hub. Inputs cannot be

routed to speciﬁc USB output connectors. All outputs are simultaneously connected to the selected input.

On the SW USB Plus, output ports 3 and 4 can be used

for host emulation. See “Host emulation (SW4 USB Plus only),” in chapter 3, “Operation”, for more information.

Power connector wiring

The two power cord wires must be kept separate

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

Do not tin the stripped power supply leads before

attaching the captive screw plug to them. Tinned wires are not as secure in the captive screw connectors and can be easily pulled out. They may also break after being bent several times.

SW USB Series • Installation

Installation, cont’d

2-10

SW USB Series • Installation

2-11

If you use cable that has a

drain wire, tie the drain wire to ground at both ends.

Connect a ground wire between

the switcher and the computer or control system.

RS-232

To Computer or Control System RS-232 Port

SW USB Switcher Rear Ranel RS-232 Port

Tx Rx

9 pin HD

Connector

(Rx) Receive Pin to Transmit (Tx) Pin 3

Ground

(Tx) Transmit Pin to Receive (Rx) Pin 2

Wiring for RS-232 Communication

RS-232 port

The three-pin, 3.5 mm captive screw connector labeled “RS-232” is used for optional RS-232 communication between the SW USB and a PC or control system. The control system plugged into this port can issue commands to the SW USB, which can pass the commands through to an Extron A/V switcher that is plugged into the RS-232 Pass Thru port.

To connect your computer or control system to the RS-232 connector, use a male 9-pin, D-to-bare-wire RS-232 cable. One end of the UC cable is terminated with a female 9-pin D connector, and the other end is unterminated.

1. Wire the unterminated end of the RS-232 cable to one of

2. Plug the wired three-pole connector into the RS-232

The gure below shows how to wire this connector for RS-232.

RS-232 connector pin assignments

Your RS-232 computer or control system should not be

one of the host devices that are being switched. Use a separate computer for RS-232 control.

the provided three-pin captive screw plugs.

receptacle on the switcher’s rear panel.

The pinout for the host PC to the SW USB is shown below:

Host PC Pin Sitcher Pin

2 (Rx TX

3 (Tx Rx

5 (Gnd

RS-232 Pass Thru port

The RS-232 Pass Thru port allows you to loop through the Transmit line of the RS-232 control port from the SW USB. This enables you to send SIS commands to another Extron A/V switcher. See chapter 4, “SIS Conguration and Control”, for explanations of these SIS commands.

The SW USB sends SIS commands to the A/V switcher in the following loop-through modes:

• Loop 1 mode (default) — In this mode, SIS commands

To enable Loop 1 mode, issue the E 1LOOP} command.

• Loop 0 mode — In this mode, the input selection SIS

To enable Loop 0 mode, issue the E 0LOOP} command.

The diagram on the next page shows how to wire the SW USB’s RS-232 Pass Thru port for use with an Extron A/V switcher. (The SW USB’s RS-232 Pass Thru port does not have a receive pin; therefore, it does not receive responses from the connected A/V switcher.)

Only Extron products can be controlled via this port.

can be issued to the SW USB and/or passed through to a connected A/V switcher via an RS-232 interface (such as DataViewer or HyperTerminal) on your computer.

command X! ! can be issued to the SW USB via contact closure, the SW USB front panel buttons, or the RS-232 interface. The SW USB subsequently passes the command through to a connected A/V switcher.

In Loop 0 mode, you can still issue commands to the

SW USB using the front panel buttons, RS-232, or contact closure in both loop modes. The loop mode selection affects only commands coming through the RS-232 Pass Thru port.

SW USB Series • Installation

Installation, cont’d

2-12

SW USB Series • Installation

2-13

Host Port

SW USB Extron

A/V Switcher

TX TX

USB SWITCHING INPUT

Tx Rx

RS-232

CONTACT

RS-232

PASS THRU

USB OUTPUT HUB

USB 3

USB 1

PC 1

PC 2

PC 3

PC 4

USB 2

USB 4

1.5A MAX

12V

POWER

100-240V 0.2A

50-60Hz

REMOTE

INPUTS

OUTPUT

SW6 VGA Ars

Extron SW4 USB

USB Switcher

RS-232 Loop Out

Contact Closure

Extron CCR 4BLB

Controller Module

Extron SW4 VGA Ars

VGA/Audio Switcher

Connections for RS-232 loop-through

Contact Closure Control

Contact closure provides another method of input selection. To enable input selection by contact closure, you can connect a push-button contact closure device (such as Extron’s CCR 2BLB, CCR 4BLB, or CCR 204) to the SW USB’s Contact port.

Alternatively, you can manually short one of the pins to ground (the ground [_] pin is pin 3 for SW2 and pin 5 for SW4 models). Pin 1 selects input 1, pin 2 selects input 2, etc.

Controlling an Extron A/V switcher in Loop 0 mode

For applications in which the SW USB is connected to an Extron A/V switcher that can be controlled via RS-232, input selection on both switchers can be done by contact closure (as well as by the SW USB front panel buttons and the RS-232 interface). To select inputs on the A/V switcher via contact closure, the SW USB must be in Loop 0 mode (in other words, the SIS command ELOOP0

If the SW USB is in Loop 0 mode and an Extron A/V switcher is connected to the RS-232 Pass Thru port, an input selection command issued via contact closure selects the same input on both the SW USB and the connected switcher.

Using the SW USB with a contact closure device and an A/V switcher

To congure the SW USB for contact closure control of an A/V switcher,

1. If desired, connect a contact closure device to the SW USB’s

Contact port.

2. Connect the SW USB’s RS-232 Pass Thru port to the A/V

} has been issued)

switcher’s RS-232 port.

3. Issue the SIS command E 0LOOP} to the SW USB to

enable Loop 0 mode.

Connecting Multiple SW USB Switchers in a System

The USB specication states that a maximum of ve hubs can be connected in a series; therefore, no more than ve SW USBs can be cascaded in a series.

Do not exceed ﬁve cascaded hubs and a total of 127

peripheral devices in the entire system.

The diagram on the next page shows an example of SW USBs and peripheral output devices daisy-chained from a single host.

Installation, cont’d

Printer

USB Hard

Drive

USB Flash

Drive

USB Flash

Drive

USB Flash

Drive

Video

Webcam

Camera

Keyboard

Mouse

Host Tier

Tier 1

Tier 2

Tier 3

Tier 4

Tier 5

SW4 USB Plus

USB SWITCHER

EXEC MODE

INPUT

OUTPUT

ACTIVE USB

SW4 USB Plus

USB SWITCHER

EXEC MODE

INPUT

OUTPUT

ACTIVE USB

SW4 USB Plus

USB SWITCHER

EXEC MODE

INPUT

OUTPUT

ACTIVE USB

SW4 USB Plus

USB SWITCHER

EXEC MODE

INPUT

OUTPUT

ACTIVE USB

SW4 USB Plus

USB SWITCHER

EXEC MODE

INPUT

OUTPUT

ACTIVE USB

SW USB Series

Chapter Three

2-14

Example of a single host with the maximum of ﬁve SW USB switchers cascaded in a series

SW USB Series • Installation

Operation

Front Panel Features

Operations

SW USB Series • Operation

Operation

SW USB Series • Operation

3-2

3-3

SW2 USB

USB SWITCHER

EXEC MODE

INPUT

OUTPUT

ACTIVE USB

SW4 USB

USB SWITCHER

EXEC MODE

INPUT

OUTPUT

ACTIVE USB

Front Panel Features

SW2 USB front panel

SW4 USB and SW4 USB Plus front panel

Power LED — This LED lights when the SW USB has power.

Exec Mode LED — This LED lights when the SW USB is in

executive mode, indicating that the front panel is locked and commands cannot be entered through it.

Input Selection buttons and LEDs — Press these buttons

to select inputs 1 and 2 (SW2) or 1 through 4 (SW4 and SW4 Plus). The LED at the right of each button lights when the corresponding input has been selected.

These buttons also can be used to initiate executive mode and to reset the unit. See “Enabling front panel lockout (executive mode)” and “Resetting,” later in this chapter.

Active USB LEDs:

Input LEDs — Each of these LEDs lights when a host or PC is

connected to the switcher’s corresponding USB input port and is detected by the SW USB, regardless of whether the input is currently selected.

Output LEDs — Each of these LEDs lights when a peripheral

device is connected to the switcher’s corresponding output port and has been enabled by the selected input device or host PC.

Operations

Powering on the switcher

To power on the SW USB,

1. Connect all input and output devices to the switcher’s rear

panel connectors and, if desired, connect a host PC to the RS-232 port. (See chapter 2, “Installation,” for information on the rear panel connections.)

2. Plug the power supply into the two-pole captive screw

power connector on the rear panel.

The unit performs a self-test, during which the Exec Mode

LED and the front panel Input LEDs each blink once in sequence from left to right. If the self-test completes with no errors, the LED for the most recently selected input remains lit.

3. Select input 1, and power up the PC connected to input 1.

4. Repeat step 3 for all remaining inputs to which PCs are

connected.

Selecting an input

SW USB inputs can be selected by using:

• The front panel buttons

• Contact closure

• SIS commands

Selecting an input from the front panel

To select an input from the front panel, press the desired input’s button. The LED corresponding to the selected input button lights.

After an input is selected, the LED remains lit until a new input is selected.

SW USB Series • Operation

Operation, cont’d

3-4

SW USB Series • Operation

3-5

Selecting an input using contact closure

Use one of the following methods to select an input via contact closure:

• Using a contact closure device: If a two- or four-button

contact closure device is connected to the SW USB’s Contact port, press the button on the device that corresponds to the SW USB input that you want to select (the rst button on the left selects input 1, the second button selects input 2, etc.).

• Using a jumper wire: On the Contact port, insert one end

of a small piece of wire into the ground (_) port and the other end into the port with the desired input number (1, 2, 3, or 4).

• Using an IR 102: Refer to your IR 102 User’s Manual for

this procedure.

Selecting an input using SIS commands

You can also select an input via an RS-232 connection, using SIS commands. See chapter 4, “SIS Conguration and Control,” for a list of available SIS commands and their explanations.

If an Extron A/V switcher is connected to the RS-232 Pass Thru port, the SIS commands that you enter can also be passed through to the connected switcher, even if the connected switcher has more inputs than the SW USB (see the next section).

Issuing commands to an Extron A/V switcher via the RS-232 Pass Thru port

You can congure the SW USB to pass commands through the RS-232 Pass Thru port to a connected A/V switcher in the following modes:

• Loop 1 mode: SIS commands that are issued to the

SW USB via an RS-232 interface (such as HyperTerminal) on a computer or control system connected to the SW USB’s RS-232 port can be passed through to an A/V switcher connected to the RS-232 Pass Thru port.

Loop 1 mode is the default mode. If you need to switch

the SW USB to this mode, enter the SIS command

1LOOP

• Loop 0 mode: The input selection SIS command X! !

(where X! is the input number) can be issued to the SW USB and the connected A/V switcher via the buttons on the SW USB front panel, contact closure, or the RS-232 interface.

To enable Loop 0 mode, enter the SIS command

0LOOP}.

}

The following table summarizes the two loop modes:

Mode SIS commands issued via: SIS command to enable

Loop 0

Loop 1

Contact closure, front panel, or RS-232 interface (Input selection SIS command X! ! only)

RS-232 interface*

* See the command/response table in chapter 4, “SIS Conguration and Control,” for an explanation of all supported SIS commands.

SIS command processing in Loop 1 mode

When an A/V switcher is connected to the RS-232 Pass Thru port and Loop 1 mode is enabled, the available SIS commands are processed in one of the following ways:

• Passed through to the A/V switcher without being acted on by the SW USB

• Performed by the SW USB and not passed through to the A/V switcher

• Performed by the SW USB and passed to the A/V switcher, which also performs them. This applies only to the input selection command X! !.

The table on the next page shows how the SIS commands are handled by an SW USB with a connected A/V switcher. (Unless otherwise indicated, commands are not case-sensitive.)

0LOOP

1LOOP

}

SW USB Series • Operation

Operation, cont’d

3-6

SW USB Series • Operation

3-7

SIS

Command

(any)

X N Q

0V – 100V

& %

1B, 0B

1M, 0M

1Z, 0Z

SW USB Function SW USB Response to Host

Performed and passed through

Performed, not passed through Performed, not passed through See the SIS command table. Performed, not passed through Performed, not passed through Performed, not passed through n.nn Performed, not passed through n.nn.nnnn Performed, not passed through Passed through, not performed* Passed through, not performed* Passed through, not performed* Passed through, not performed* Passed through, not performed* Passed through, not performed* Passed through, not performed*

* For explanations of commands that are passed through to the A/V switcher and not performed by the SW USB, refer to your A/V switcher’s user ’s manual.

Example: When a control system issues an SIS input selection command of 1! (Select input 1), 2! (Select input 2), 3! (Select input 3), or 4! (Select input 4), the SW USB switches to the corresponding input. In addition, the SW USB passes the SIS input selection command through the RS-232 Pass Thru port, causing the same input to be selected on the A/V switcher.

The following SIS commands can not be passed through to the A/V switcher:

• Information requests: View part number (N) and Request

information (I)

• Change loop mode: E nLOOP

• Upload ﬁrmware: E Upload

See the SIS Command/Response table in chapter 4, “SIS Conguration and Control,” for explanations of SIS commands that are performed by the SW USB.

Chn X!

USB X!

Exe X#

ChnX!•InACT X$OutACTX$

] ]

]

60-95n-01

]

CMD

]

CMD

]

CMD

]

CMD

]

CMD

]

CMD

]

CMD

]

Sending commands to an A/V switcher using contact closure

In Loop 0 mode, you can select an input on the SW USB by shorting the equivalent pin on the Contact port to ground (either by pressing a button on a connected contact closure device or by connecting a jumper between pin 1, 2, 3, or 4 and _ [ground]). Shorting the pin to ground issues an input selection command to the SW USB, which passes the SIS command through its RS-232 Pass Thru port to the A/V switcher. The switcher then switches to the equivalent input.

For example, if you wanted to select input 1 on the A/V switcher, you would short pin 1 to ground on the SW USB Contact port. The SW USB switches to input 1 and, simultaneously, the RS-232 Pass Thru port passes the SIS command 1! to the A/V switcher, which also switches to input 1.

The following table shows the SIS commands that are issued when inputs are selected by contact closure:

Contact closure selection

Pin 1 to _ Pin 2 to _ Pin 3 to _ Pin 4 to _

When the SW USB is operating in Loop 0 mode,

SIS command sent via RS-232 Pass Thru

1! Select input 1

2! Select input 2

3! Select input 3

4! Select input 4

pressing one of its front panel input buttons or issuing the SIS command X! ! also selects the same input on the A/V switcher.

Function on the A/V Sitcher

Enabling front panel lockout (executive mode)

Executive mode disables all front panel controls, locking out the user from those functions. Putting the switcher in this mode enhances security by protecting against inappropriate or accidental changes to settings. When the SW USB is in executive mode, RS-232 and contact closure remain available.

To lock the front panel, press and hold Input buttons 1 and 2 simultaneously for 5 seconds, then release them. The red Exec Mode LED on the front panel lights, indicating that executive mode is enabled.

SW USB Series • Operation

Operation, cont’d

3-8

SW USB Series • Operation

3-9

Release buttons.

Press and hold simultaneously for 5 seconds.

Exec Mode LED lights.

EXEC MODE

MOUSE

1 2

KEYBOARD

OFF

2. Place the DIP switches on the rear panel in the appropriate

position to enable emulation for the connected device. The table below shows the switch positions for keyboard and/or mouse emulation.

Setting executive mode

To exit executive mode, repeat the procedure described on the previous page. When the SW USB is no longer in executive mode, the red LED turns off.

Resetting

To reset the switcher to its factory default settings from the front panel,

1. Disconnect power from the SW USB.

2. Press and hold the Input 1 button while applying power to

the unit.

The Input LEDs blink three times to indicate that a reset

has occurred. The input selection defaults to input 1, and the Input 1 LED lights.

Host emulation (SW4 USB Plus only)

The SW4 USB Plus model provides host emulation to peripheral devices on the output of the switcher. If a keyboard and/ or a mouse is connected to output port 3 or 4, and the Host Emulation DIP switch(es) are set to on, the SW USB emulates a host PC to the connected peripheral device. The keyboard/ mouse connected to the switcher’s port 3 or 4 still responds as if it were attached directly to the computer on the selected input.

Host emulation allows instant communication of the emulated ports when the SW USB switches to another input, by eliminating the delay that normally occurs when a computer recognizes a new device.

Setting up for host emulation

Host emulation is enabled via the Host Emulation DIP switches on the rear panel. To enable host emulation,

1. Connect a keyboard, a mouse, or both to output port 3

and/or 4. The SW4 USB Plus can emulate a keyboard and a mouse simultaneously. Either type of device can be connected to either or both of the two emulation ports (3 and 4).

Sitch 1 (Mouse

Sitch 2 (Keyboard

Emulation

Off (down) Off (down) No emulation

On (up) Off (down) Emulate mouse only

Off (down) On (up) Emulate keyboard only

On (up) On (up) Emulate keyboard and

mouse

Example: In the illustration at right, emulation

is enabled for both a mouse and a keyboard.

If two standard mice or keyboards are connected to output ports 3 and 4, and the appropriate emulation DIP switch is set to on (up), the SW4 USB Plus emulates a host to both ports.

When one or both DIP switches are set to on (up), host

emulation follows the attached peripheral device:

When the Mouse DIP switch (switch 1) is set to on

•

(up), the switcher emulates a host to any standard mouse that is connected to either of the emulation output ports (3 or 4).

When the Keyboard DIP switch (switch 2) is set to

•

on, the switcher emulates a host to any standard keyboard that is connected to an emulation port.

When both DIP switches are set to on, the switcher

•

emulates a host to any connected standard mouse and/or keyboard that is connected to port 3 or 4.

Supported peripheral devices

The SW4 USB Plus can emulate a host only to a standard keyboard and a standard mouse. The emulation feature is not supported with non-standard keyboards or mice, such as devices that require additional drivers.

USB devices other than standard keyboards and mice can be connected to output ports 3 and 4, but are not supported by the emulation feature. If you plan to use such devices, set the Host Emulation DIP switches to off. Examples of non-standard keyboards or mice include media keyboards or ve-button mice.

Operation, cont’d

Troubleshooting

If the SW USB detects a non-standard keyboard and/or mouse, an error condition may occur in which the Exec Mode LED blinks and the SW USB reboots in a repeating cycle. If this happens, set the host emulation DIP switch(es) to off, and wait for the switcher to reboot.

You will not be able to use host emulation with that keyboard or mouse.

Peripheral emulation (SW4 USB Plus only)

In addition, the SW4 USB Plus emulates a mouse and keyboard to the computer or other input device that is connected to the selected input port. This emulation of peripheral devices is constant, whether or not a keyboard or mouse is actually connected to these ports, facilitating problem-free boot-up. Keyboard and mouse emulation is always present on the inputs of the switcher.

SW USB Series

Chapter Four

SIS Conﬁguration and Control

3-10

Host-to-Switcher Communications

Using the Command/Response Table

Updating the Firmware

SW USB Series • Operation

SIS Conﬁguration and Control

ASCII to HEX Conversion Table

•

The SW USB can be remotely set up and controlled via a host computer or other device (such as a control system) that is attached to the rear panel RS-232 port. (See “Wiring for RS-232 Communication” in chapter 2, “Installation,” for information on connecting to this port.) You can issue Simple Instruction Set (SIS) commands to the switcher from your computer using using the RS-232 interface with a communication software program such as DataViewer or HyperTerminal.

Host-to-Switcher Communications

SIS commands consist of one or more characters per eld. No special characters are required to begin or end a command sequence. When the switcher determines that a command is valid, it executes the command and sends a response to the host device.

Most responses from the SW USB to the host computer end with a carriage return and a line feed (CR/LF = ]), which signals the end of the response character string. A string is one or more characters.

Switcher-initiated messages

When a local event such as a front panel selection takes place, the switcher responds by sending a message to the host, indicating what selection was entered. No response is required from the host.

Series, Vx.xx The switcher sends the copyright message when it rst powers

on. Vx.xx is the rmware version number.

Error responses

If the switcher is unable to execute a command it receives because the command is invalid or contains invalid parameters, the SW USB returns an error response to the host. Error response codes and their descriptions are:

E01 – Invalid input channel number (out of range) E10 – Invalid command E13 – Invalid value (out of range)

This message is displayed only at power-up.

Using the Command/Response Table

The command/response table on the following pages lists valid ASCII and hexadecimal command codes, the switcher’s responses to the host, and a description of the command’s function or the results of executing the command.

The ASCII to HEX conversion table below is for use with the command/response table.

Symbol deﬁnitions

] = CR/LF (carriage return/line feed) (hex 0D 0A) } = Soft carriage return (no line feed)

• = Space

E = Escape key

X! = Input number: 0 through the maximum number of

X# = On/off and signal status

= X# X# X# X#

Each X# corresponds to inputs 1, 2, 3, and 4 in

= Position of the mouse emulation DIP switch

= Position of the keyboard emulation DIP switch

Unless otherwise indicated, commands are not case

sensitive.

inputs (2 or 4) 0 = all inputs disconnected

0 = Off/signal not present 1 = On/signal present

sequence.

(SW4 USB Plus only) 0 = Mouse emulation off (switch is down) 1 = Mouse emulation on (switch is up)

(SW4 USB Plus only) 0 = Keyboard emulation off (DIP switch is down.) 1 = Keyboard emulation on (DIP switch is up.)

SW USB Series • SIS Conguration and Control

4-34-2

SW USB Series • SIS Conguration and Control

SIS Conﬁguration and Control, cont’d

4-4

SW USB Series • SIS Conguration and Control

4-5

Command/response table for SIS commands

Command

ASCII Command

(host to unit)

Input selection

Select input

Select SW USB input only

! Chn X!

^ USB X!

Conﬁgure RS-232 pass-through

Send input selection commands via contact closure, front panel, or the RS-232 interface

Send SIS commands via computer RS-232 interface

View loop out setting

Front panel lockout

Enable executive mode 1X Disable executive mode 0X Lockout status X

0LOOP

1LOOP

Loop

}

Response

(unit to host)

]

Loop0

]

Loop1

Loop X#

]

X# ] X# ] X# ]

Additional description

Select input X! for both the SW USB and the attached A/V switcher (if any).

Select input X! on the SW USB only (not passed through).

Input selection commands (only) issued via the front panel, contact closure, or the RS-232 interface are sent to an attached A/V switcher via the RS-232 Pass Thru port.

All available commands issued from an RS-232 interface can be performed by the SW USB and passed through to a connected A/V switcher.

View pass-through setting X#. For X#: 0 = Input selection commands can be issued

through contact closure, the front panel, or RS-232. (Loop 0 mode)

1 = All supported SIS commands can be issued through the RS-232 interface. (Loop 1 mode)

Lock the front panel. Unlock the front panel. Show executive mode on/off status.

Command/response table for SIS commands (continued)

Command

ASCII Command

(host to unit)

Response

(unit to host)

Firmware version, part number, and information requests

Request information I

Request part number N

Query rmware version Q

Example:

Query version and build *Q

Chn X! • InACT X$ • OutACT X$ • Emul X% X^

60-95n-nn

]

n.nn

]

1.01

n.nn.nnnn

Reset

ZXXX

}

Zpx

]

Upload ﬁrmware

Upload rmware

Upload

}

...go Upl

]

Additional description

]

Show the selected input and output.

= Activity of all inputs and outputs

For SW USB Plus only:

= Mouse emulation switch position

= Keyboard emulation switch position For X% and X^: 0 = off (down); 1 = on (up). Show the SW USB part number.

SW2 = 60-952-01, SW4 = 60-953-01, SW4 USB Plus = 60-954-01.

Show rmware version, expressed to the second decimal place.

Show rmware version and build number.

Reset the switcher to factory default values.

Upl appears after the upload is complete.

SW USB Series • SIS Conguration and Control

SIS Conﬁguration and Control, cont’d

4-6

SW USB Series • SIS Conguration and Control

4-7

Updating the Firmware

Extron periodically updates product rmware in conjunction with the release of new software revisions. When updating any Extron software to the latest revision level, be sure to read the supplied release notes or contact Extron Technical Support to determine if your Extron product requires a rmware update.

You can nd out what version of rmware is currently loaded on your switcher by entering the SIS “Q” command via the RS-232 interface (see “Using Simple Instruction Set (SIS) Commands,” earlier in this chapter).

New rmware versions for the SW USB can be downloaded from the Extron Web page. After you install the new rmware on your computer, you can upload it to the switcher using either SIS commands (see the “Command/response table for SIS commands,” earlier in this chapter) or the Firmware Loader software (see “Loading the rmware to the switcher using Firmware Loader,” in the next section).

Downloading and installing the Firmware Loader

Extron recommends using the Firmware Loader software to update the rmware on the SW USB. If you do not already have the Firmware Loader software installed on your computer, download it from the Web as follows:

1. Go to the Extron Web site at www.extron.com and click the

Download tab.

2. On the Download Center screen, click the Software link on

the left sidebar menu.

3. On the next Download Center screen, locate and click the

Download link for the Firmware Loader.

4. On the next screen, enter the requested information, then

click the Download fw_loader3x4xn.exe button (where n is the Firmware Loader version number).

5. Follow the instructions on the rest of the download screens

to save the executable Firmware Loader installer le to the computer. Note the folder to which you saved the le.

6. In Windows Explorer or another le browser, locate the

downloaded executable installer le, and double-click it to open it.

7. Follow the instructions on the Installation Wizard screens

to install the Firmware Loader on your computer. Unless you specify otherwise, the installer program places the Firmware Loader le, “FWLoader.exe” at c:\Program Files\Extron\FWLoader.

Downloading and installing the SW USB ﬁrmware

To obtain the latest version of SW USB rmware and install it on your computer,

1. Go to the Extron Web site at www.extron.com and click the

Download tab.

2. On the Download Center screen, click the Firmware link

on the left sidebar menu.

3. On the next Download Center screen, locate and click the

Download link for the SW USB Series. (You may need to click the Next link at the bottom of the page to display additional download pages.)

4. On the next screen, enter the requested information, then

click the Download button.

5. Follow the instructions on the rest of the download screens

to save the executable rmware installer le to your computer. Note the folder to which you saved the le.

6. In Windows Explorer or another le browser, locate the

downloaded executable le, and double-click it to open it.

7. Follow the instructions on the Installation Wizard screens

to install the new rmware on your computer. Unless you specify otherwise, the installer program places the installed rmware le, “SWUSB_vnxnn.s19”, at

c:\Program Files\Extron\Firmware.

A Release Notes le, giving information on what has

changed in the new rmware version, along with a set of instructions for updating the rmware, are also loaded.

SW USB Series • SIS Conguration and Control

SIS Conﬁguration and Control, cont’d

4-8

SW USB Series • SIS Conguration and Control

4-9

Loading the ﬁrmware to the SW USB using the Firmware Loader

To load a new version of rmware from your computer to your SW USB using the Extron Firmware Loader software, your computer’s serial port must be connected to the switcher ’s RS-232 serial port. See “Rear Panel Features,” in chapter 2, “Installation,” for information on connecting to the serial port.

1. If you have not already done so, download and install the

Firmware Loader executable installer le to your computer (see “Downloading and installing the Firmware Loader,” earlier in this chapter).

2. If necessary, download the latest SW USB rmware version

and install it on your computer (see “Downloading and installing the rmware,” on the previous page).

3. Open the Firmware Loader via your desktop Start menu

by making the following selections: Start > All Programs >

Extron Electronics > Firmware Loader > Firmware Loader

5. On the rst screen that appears, select the RS-232 tab.

6. From the drop-down menus on the RS-232 screen, select

your model name (SW2 USB, SW4 USB, or SW4 USB Plus), the appropriate COM port number, and 9600 for the baud rate.

7. Click OK. The rmware selection screen appears.

8. Click Browse to open the Choose Firmware File window,

and locate the rmware le that you downloaded. (By default, the le is placed at c:\Program Files\Extron\Firmware when downloaded from the Extron site.)

The ﬁrmware ﬁle must have a .s19 extension.

Uploading any other ﬁle type could cause the switcher to stop functioning.

9. On the Choose Firmware File window, double-click on the

new rmware le to open it. The Choose Firmware File window closes, and the path to the selected rmware le is displayed in the “Select a rmware le” eld.

SW USB Series • SIS Conguration and Control

SIS Conﬁguration and Control, cont’d

4-10

SW USB Series • SIS Conguration and Control

4-11

10. Click the Upload button. A status bar showing the

progress of the upload appears in the Firmware Loader window. The rmware upload to the switcher may take several minutes. Once the status bar has progressed fully from left to right, the Firmware Loader resets the switcher.

In addition, messages appear on the Firmware Loader

window, indicating when the unit is uploading the rmware, then resetting itself.

11. When the rmware upload process is completed, the

If the uploading process is interrupted or the Firmware

Loader exits before the upload is complete, the unit is reset to its factory defaults.

message “Transfer Complete!” is displayed, and the new rmware version number appears in the Current Unit Information eld.

Problem solving

If you inadvertently load an incorrect version of rmware to the SW USB (e.g., version 1.01 instead of 1.02), you can load the desired version, which overwrites the previous one.

If the rmware that you attempt to load is corrupt, the switcher reverts to the most recently loaded version that was functional. To load the new rmware, obtain another copy of the desired version and perform the upload procedure again.

Click Exit to close the Firmware Loader.

SIS Conﬁguration and Control, cont’d

SW USB Series

Appendix A

4-12

Speciﬁcations, Part Numbers,

Accessories

Speciﬁcations

Included Parts

Accessories

SW USB Series • SIS Conguration and Control

SW USB Series • Specications, Part Numbers, Accessories

Speciﬁcations, Part Numbers, Accessories

SW USB Series • Specications, Part Numbers, Accessories

A-2

A-3

Speciﬁcations

USB

USB specication ........................... USB 2.0 compatible

USB data rates ................................ Low speed (1.5 Mbps)

Full speed (12 Mbps) High speed (480 Mbps)

USB input

Connectors

SW2 USB ............................. 2 female USB type B

SW4 USB, SW4 USB Plus . 4 female USB type B

USB output

Connectors ..................................... 4 female USB type A

Control/remote — switcher

Serial control port .......................... (1) RS-232, 3.5 mm captive screw

connector, 3-pole (1) RS-232 pass-through, 3.5 mm captive

screw connector, 3 pole

Baud rate and protocol ................. 9600 baud, 8 data bits, 1 stop bit, no parity

Serial control pin congurations

RS-232 ................................. 1= TX, 2 = RX, 3 = GND

RS-232 pass-through ......... 1 = TX, 3 = GND

Contact closure

SW2 USB ............................. (1) 3.5 mm captive screw connector, 3 pole

SW4 USB, SW4 USB Plus . (1) 3.5 mm captive screw connector, 5 pole

Contact closure pin congurations

SW2 USB ............................. 1 = input 1, 2 = input 2, 3 = GND

SW4 USB, SW4 USB Plus . 1 = input 1, 2 = input 2, 3 = input 3,

4 = input 4, 5 = GND

Program control ............................. Extron’s Simple Instruction Set (SIS™)

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

Mounting

Rack mount ........................ Yes, with optional 1U, 9.5" deep rack

shelf, part #60-190-01 (RSU 129) or 60-604-01 (RSB 129); IU, 6" deep rack shelf, part #60-190-10 (RSU 126) or 60-604-10 (RSB 126); or VersaTools® 1U, 3.5" deep rack shelf, part #60-190-20 (RSF 123) or 60-604-20 (RSB 123)

Furniture mount ................ Yes, with optional VersaTools Mini Under-

Desk Mount Kit, #70-212-01 (MBU 123)

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

Enclosure dimensions .................. 1.6" H x 8.6" W x 3.0" D

(1U high, half rack wide)

(4.1 cm H x 21.8 cm W x 7.6 cm D)

(Depth excludes connectors.)

Product weight .............................. 2 lbs (0.9 kg)

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

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

Transit Association) Regulatory compliances

Listings................................ CE, CUL, UL

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

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

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

N All nominal levels are at ±10%. N

Speciﬁcations are subject to change without notice.

General

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

to 12 VDC, 2 A, regulated

Power input requirements ........... 12 VDC, 1.5 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

SW USB Series • Specications, Part Numbers, Accessories

Speciﬁcations, Part Numbers, Accessories, cont’d

SW USB Series • Specications, Part Numbers, Accessories

A-4

A-5

Included Parts

These items are included in each order for the SW USB switcher:

Included Part Replacement

SW2 USB 60-952-01 SW4 USB 60-953-01 SW4 USB Plus

3.5 mm, 3 pole captive screw connector with strain relief (3 for SW2 USB, 2 for SW4 USB and SW4 USB Plus)

SW4 USB and SW4 USB Plus: 3.5 mm, 5 pole captive screw connector with strain relief

12 VDC power supply with orange power connector attached

IEC power cord Clear zip ties (3) Rubber feet, unattached (4)

SW USB Series User’s Manual

Unied software CD, Disk B

Accessories

Part Number

60-954-01 100-456-01

100-457-01

Mounting options

These mounting kits can be purchased for the SW USB:

Mounting Option Part Number

RSU 129 9.5" Deep 1U Universal Rack

Shelf Kit RSB 129 9.5" Deep 1U Basic Rack Shelf 60-604-01 RSU 126 6" Deep 1U Universal Rack RSB 126 6" Deep Basic Rack Shelf RSF 123 3.5" Deep 1U VersaTools® Rack

Shelf Kit RSB 123 3.5" Deep 1U Versatools Rack shelf 60-604-20 MBU 123 VersaTools Mini Under-desk

Mount Kit

60-190-01

60-190-10 60-604-10 60-190-20

70-212-01

Optional accessories

Accessory Part Number

CCR 2BLB Two-Button Contact Closure Remote With Backlit Buttons

CCR 4BLB Two-Button Contact Closure Remote With Backlit Buttons

CCR 204 Four-Button Contact Closure Remote

IR 102 Remote Control Kit 70-224-01 SW2 VGA Series Switcher 60-257-02, -22 SW4 VGA Series Switcher 60-258-02, -22 PS 1210C External Power Supply 70-775-01 2 pole orange captive screw connectors,

10-pack 3 pole blue captive screw connectors,

10-pack

70-589-02, -03

70-588-02, -03

60-794-02

100-454-01

100-456-01

Speciﬁcations, Part Numbers, Accessories, cont’d

This page was intentionally left blank.

A-6

SW USB Series • Specications, Part Numbers, Accessories

Extron electronic RSB 126 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Chapter One

Introduction

About this Manual

About the SW USB Series

Features

Application Diagrams

Chapter Two

Installation

Installation Overview

Mounting the SW USB Series Switcher

Tabletop use

Rack mounting

UL rack mounting guidelines

Rack mounting procedure

Furniture mounting

Rear Panel Features

Wiring the Power Connector

Wiring for RS-232 Communication

RS-232 port

RS-232 Pass Thru port

Contact Closure Control

Controlling an Extron A/V switcher in Loop 0 mode

Connecting Multiple SW USB Switchers in a System

Chapter Three

Operation

Front Panel Features

Operations

Powering on the switcher

Selecting an input

Selecting an input from the front panel

Selecting an input using contact closure

Selecting an input using SIS commands

Issuing commands to an Extron A/V switcher via the RS-232 Pass Thru port

SIS command processing in Loop 1 mode

Sending commands to an A/V switcher using contact closure

Enabling front panel lockout (executive mode)

Resetting

Host emulation (SW4 USB Plus only)

Setting up for host emulation

Supported peripheral devices

Troubleshooting

Peripheral emulation (SW4 USB Plus only)

Chapter Four

Host-to-Switcher Communications

Switcher-initiated messages

Error responses

Using the Command/Response Table

Updating the Firmware

Downloading and installing the Firmware Loader

Problem solving

Appendix A

Included Parts

Accessories

Mounting options

Optional accessories