Extron Electronics DVI DA Plus User Manual

User Guide

DVI DA Plus Series

DVI Distribution Amplifiers

DVI & HDMI

®

68-1536-01 Rev. E

12 10

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 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 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.

Sicherheitsanleitungen • Deutsch

Dieses Symbol soll dem Benutzer in der im Lieferumfang enthaltenen
Dokumentation 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.

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
instructions of the manufacturer.

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.

Instrucciones de seguridad • Español

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.

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。

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 calicado. 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.

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.

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 user guide, 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.

NOTE: 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.
For more information on safety guidelines, regulatory compliances, EMI/EMF compliance, accessibility, and

related topics, click here.

Notational Conventions Used in this Guide

TIP: A tip provides a suggestion to make setting up or working with the device easier.

NOTE: A note draws attention to important information.

CAUTION: A caution warns of things or actions that might damage the equipment.

WARNING: A warning warns of things or actions that might cause injury, death, or

other severe consequences.

Copyright

© 2010 Extron Electronics. All rights reserved.

Trademarks

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

Contents

Introduction ............................................ 1

About this Guide ........................................... 1

About the DVI DA Plus Series ....................... 1

Features ......................................................... 2

Installation .............................................. 3

Installation Overview .................................... 3

Rear Panel Features....................................... 4

DVI Connector Pin Assignments ............... 6

Operation ................................................ 7

Front Panel Features ..................................... 7

Operation ...................................................... 7

EDID Minder .................................................. 8

Disabling the EDID Minder ........................... 8

EDID Lock ..................................................... 10

Pre-emphasis................................................ 11

Troubleshooting .......................................... 12

Specications .........................................13

Reference Information ..........................14

Included Parts .......................................... 14

Optional Accessories ............................... 14

Mounting ................................................15

Tabletop placement .................................... 15

Rack mounting ............................................ 15

UL Guidelines for Rack Mounting .......... 15

Rack Mounting the DVI DA4 Plus ........... 16

Rack Mounting the DVI DA6 Plus

and DVI DA8 Plus ................................... 16

Under-desk Mounting ................................. 16

DVI DA Plus Series • Contents v

DVI DA Plus Series • Contents vi

Introduction

About this Guide

This user guide describes the installation, operation, and specifications of the Extron®
DVI DA4 Plus, DVI DA6 Plus, and DVI DA8 Plus Distribution Amplifiers.

Unless stated otherwise, all references to the “distribution amplifier,” “DA,” or “DVI DA Plus
Series” in this guide refer to the features or operation of all three models.

About the DVI DA Plus Series

These Digital Visual Interface (DVI) Distribution Amplifiers accept one single link DVI-D input
and distribute four (DVI DA4 Plus), six (DVI DA6 Plus), or eight (DVI DA8 Plus) single link
DVI-D output signals.

All three models use the Extron EDID Minder® feature to maintain continuous EDID
(Extended Display Identification Data) communication with the attached source.

The EDID Lock feature allows EDID information to be retained, even after cycling power to
the unit or changing the output displays.

The DVI DA4 Plus is 1U high and half a rack wide. The DVI DA6 Plus and DVI DA8 Plus are
both 1U high and a full rack wide. All three models offer a variety of mounting options.

DVI DA8 Plus

DVI-D OUTPUT

4 5 6 7 8

Display
with
DVI Input

Extron
DVI DA8 Plus

Distribution Amplier

1 2 3

DVI-D INPUT

POWER
12V

0.4A MAX

Local
Monitor

Computer
with
DVI Output

Display
with
DVI Input

Figure 1. Typical Application for the DVI DA8 Plus

DVI DA Plus Series • Introduction 1

Features

EDID Minder — The EDID Minder maintains continuous EDID (Extended Display
Identification Data) communication with the attached source to ensure that the DVI source
powers up correctly and maintains a proper video output, even if the display is off.

EDID Lock — The last recorded EDID is saved to the input and used after a power cycle or
after displays have been changed. The EDID presented to the input is not affected by power
cycles or changing the output displays (even with hot-plug changes).

High resolution DVI-D input — The distribution amplifiers accept one single link DVI-D
input, with a resolution range up to 1920x1200 or 1080p @ 60 Hz.

Input equalization — Input Equalization (EQ) conditions the input signals to ensure the
integrity of the signals.

Pre-emphasis — This feature enables the distribution amplifier to compensate for poor
signals delivered to the output devices.

DVI-D outputs — The units distribute four (DVI DA4 Plus), six (DVI DA6 Plus), or eight
(DVI DA8 Plus) single link DVI-D output signals simultaneously, at resolutions up to
1920x1200 or 1080p @ 60 Hz.

External power supply — All three models are powered by an ENERGY STAR® qualified
external 12 VDC power supply (provided with the units), which provide worldwide
compatibility, low power consumption, and reduced operating costs.

Power on pin 14 — The distribution amplifiers provide a 5 VDC (250 mA) power on each
output for peripheral devices.

Front panel indicator LED — The LED light on the front panel provides feedback about
power status and whether an input signal is detected.

Versatile mounting options — All three units can be mounted in a rack, under a desk or
set on a tabletop.

DVI DA Plus Series • Introduction 2

Installation

This section describes:

• Installation Overview

• Rear Panel Features

Installation Overview

All three distribution amplifiers can be mounted on tabletops, under furniture, and in racks
by following these steps:

1. Ensure that the input sources, the distribution amplifier and the output displays are all

turned off and all power sources and signal cables are disconnected.

2. Mount the unit as described in “Mounting” on page 15.

3. Connect the cables (see “Rear Panel Features” on page 4).

4. If required, configure the internal DIP switches to disable EDID (see page 8) from

certain outputs or to activate the EDID Lock mode (see page 10).

5. Plug in the power supply (see page 4).

6. Turn on the display devices.

7. Turn on the input devices (see “Operation” on page 7).

DVI DA Plus Series • Installation 3

Rear Panel Features

1234

5678

The rear panels for the DVI DA4 Plus (top panel), the DVI DA6 Plus (middle panel), and
DVI DA8 Plus (bottom panel) are shown below.

POWER

DVI-D INPUT DVI-D OUTPUT

12V

1.0A MAX

1

POWER
12V

1.5A MAX

DVI DA4 Plus

2

DVI-D INPUT

3

12 3 456

DVI-D OUTPUT

DVI DA6 Plus

1.5A MAX

1

POWER
12V

2

DVI-D INPUT

12 34

3

DVI DA8 Plus

DVI-D OUTPUT

Figure 2. Rear Panel Features

Power input — Connect the two pole, 3.5 mm captive screw connector from the

a

power supply (provided with the unit) to this socket on the rear panel.

POWER
12V

1.0A MAX

Back Panel
Power Receptacle

DC Power Cord
Captive Screw Connector

Ground
+12 VDC

External

Power Supply

AC Power Cord

(12 VDC, 1 A )

Figure 3. Power Supply Connection

The external power supply in the illustration above (12 VDC, 1 A) is for use with the
DVI DA4 Plus. The DVI DA6 Plus and DVI DA8 Plus use a 12 VDC, 3 A external power
supply.

DVI DA Plus Series • Installation 4

CAUTION: These products are intended to be supplied by a Listed Power

Unit marked “Class 2” or “LPS”, rated 12 VDC, maximum 1.0 A
(DVI DA4 Plus) or maximum 3.0 A (DVI DA6 Plus and DVI DA8 Plus).
Always use a power supply supplied by or specified by Extron. Use of an
unauthorized power supply voids all regulatory compliance certification
and may cause damage to the supply and the end product.

Unless otherwise stated, the AC/DC adapters are not suitable for use in
air handling spaces or in wall cavities. The power supply is to be located
within the same vicinity as the Extron A/V processing equipment in an
ordinary location, Pollution Degree 2, secured to the equipment rack
within the dedicated closet, podium or desk.

The installation must always be in accordance with the applicable
provisions of National Electrical Code ANSI/NFPA 70, article 75 and the
Canadian Electrical Code part 1, section 16. The power supply shall not
be permanently fixed to building structure or similar structure.

NOTE: • The length of the exposed wires in the stripping process is critical. The

ideal length is 3/16 inches (5 mm). Any longer and the exposed wires may
touch, causing a short circuit between them. Any shorter and the wires
can be easily pulled out even if tightly fastened by the captive screws.

• Do not tin the wires. Tinned wire does not hold its shape and can become
loose over time.

Input connector — Connect a single link DVI-D source device, with a resolution range

b

up to 1920x1200 or 1080p@60 Hz, to the female DVI-I input, using a DVI cable.

NOTE: Although these distribution amplifiers have DVI-I connectors, they are only

compatible with single link DVI-D video signals.

Input EQ conditions input signals to ensure the integrity of the signals delivered to the
output devices.

Output Connectors — Use DVI-I cables to connect up to four (DVI DA4 Plus),

c

six (DVI DA6 Plus) or eight (DVI DA8 Plus) display devices.

NOTE: The actual signal transmission distance can vary and depends on signal

resolution, cable quality, graphics card, and display used in the system.

DVI DA Plus Series • Installation 5

DVI Connector Pin Assignments

22

32

42

52

62

11

The illustration below shows the pin assignments for the DVI-I connectors. See the note
under input connectors for information about DVI signal compatibility.

NOTE: The DVI DA Plus series distribution amplifiers are not High-Bandwidth Digital

Content Protection (HDCP) compliant.

1

9

17 24

DVI - Female

8

Pin Signal

TMDS data 2–

1

TMDS data 2+

2

TMDS data

31

2/4 shield

41

51

61

71

81

Spare

Spare

DDC clock +5 V power

DDC data TMDS clock+Ground

Spare

Pin PinSignal Signal

TMDS data 1–

9

TMDS data 1+

10

TMDS data

1/3 shield

Spare

Spare

TMDS data 0–

17

TMDS data 0+

18

TMDS data

9

0/5 shield

0

1

TMDS clock

2

Spare

Spare

shield

3

Hotplug detect

4

TMDS clock–

DVI DA Plus Series • Installation 6

Operation

This section of the guide provides information on:

• Front Panel Features

• Operation

• EDID Minder

• Disabling the EDID Minder

• Troubleshooting

Front Panel Features

Figure 4 shows the front panel for the DVI DA4 Plus (top) and the front panel for the
DVI DA6 Plus/DVI DA8 Plus, which are identical (bottom).

Operation

DVI DA PLUS

DVI DISTRIBUTION AMPLIFIER

1

DVI DA Plus SERIES

DVI DISTRIBUTION AMPLIFIER

1

Figure 4. DVI DA Plus Series Front Panel Features

LED indicator — This LED indicator lights amber when the unit is receiving power but

a

no input signal. When the unit detects an input signal, the LED lights green.

Once the distribution amplifier has been installed and the cables have been connected:

1. Power on the display devices.

2. Power on the distribution amplifier. The LED lights amber to show that the unit is

receiving power.

3. Power on the input device.

DVI DA Plus Series • Operation 7

EDID Minder

When a DVI video source boots up, it normally communicates with the output device using
the bidirectional Extended Display Identification Data (EDID) communication protocol. The
source device then produces a signal with a resolution that is compatible with the output
device.

The Extron EDID Minder feature maintains continuous EDID communication with the
attached source and ensures that the DVI source powers up correctly and maintains a proper
video output even if the display is off, or when a new monitor is connected to the output.

In default mode, when the distribution amplifier is powered on, it automatically scans all
detectable outputs, selects the device with the lowest native resolution and passes the EDID
information from that device to the input device.

While the distribution amplifier remains powered on, it monitors the Hot Plug Detect (HPD)
signal on each output and repeats the scan process every time a display is connected or
disconnected.

If all outputs displays are removed, the EDID provided is that of the last stored display to
which the distribution amplifier was connected. If no output device has previously been
connected to the unit, or the unit has been through a power cycle with no displays attached,
the EDID uses the factory default, reporting a native rate of 1024x768.

When the EDID Minder is in Lock mode (see page 10), the last recorded EDID is stored to
the input and used after a power cycle or after the displays have been changed.

Disabling the EDID Minder

Some applications require that the distribution amplifier does not automatically read the
EDID from one or more specific outputs. In those cases, the EDID Minder feature can be
disabled so those specific outputs are ignored during the automatic scanning process:

1. Remove and keep the screws holding the cover to the base. For the DVI DA4 Plus, there

are three screws along the rear edge of the top and two screws on each side. For the
DVI DA6 Plus and DVI DA8 Plus, there are four screws along the rear edge of the top
and three screws along each side. Set aside the cover.

2. Check the part number of the printed circuit board (outlined in yellow in figure 5 on the

next page). The boards must have a part number of 20-1496-01LF and higher for the
DVI DA4 Plus or 20-1497-01LF and higher for the DVI DA6 Plus or DVI DA8 Plus.

NOTE: If the part number of the board is lower than these values, you cannot

deactivate the EDID Minder on your model. Replace the cover as described in
step 5.

DVI DA Plus Series • Operation 8

3. Locate the DIP switches. There is a single bank of four switches for the DVI DA4 Plus

(outlined in red in figure 5). Each switch regulates the correspondingly numbered output
(1-4).

Rear Panel

Part Number EDID Minder

EDID Lock and
Pre-emphasis
DIP Switches

Inactivation
DIP Switches

Figure 5. Printed Circuit Board for the DVI DA4 Plus

There are two banks of four switches for the DVI DA6 Plus (see figure 6) and the
DVI DA8 Plus. In the bank to the left, each switch regulates the correspondingly
numbered output (1-4). In the bank to the right, switches 1 and 2 correspond to
outputs 5 and 6 for the DVI DA6 Plus; switches 1-4 correspond to outputs 5-8 for the
DVI DA8 Plus.

EDID Disable DIP Switches

Bank 1:
Outputs 1-4

Bank 2:
Outputs 5-6 (DVI DA6 Plus)
Outputs 5-8 (DVI DA8 Plus)

Figure 6. EDID Disable DIP Switches for the DVI DA6 Plus

4. By default the switches are in the “Off” (down) position, allowing

ON CIT

the EDID information to be read from the corresponding output. To
deactivate EDID Minder for one or more outputs, move the switch for

1 2

3 4

that output to the “On” (up) position. In the diagram at right, the unit
will read EDID from output 3, but not from outputs 1, 2, or 4.

5. Replace the cover, using the screws that were removed in step 1.

DVI DA Plus Series • Operation 9

EDID Lock

Some applications require the distribution amplifier to maintain specific EDID information.
This information could be lost after power is cycled off and on or when a new output display
is connected to the DVI DA Plus.

By default the EDID Lock mode DIP switch is set to “Off”. In this position, when the
distribution amplifier is powered off, the EDID information that was being used is erased.
When the distribution amplifier is powered back on, it automatically scans all detectable
outputs, selects the device with the lowest native resolution and passes the EDID information
from that device to the input device. If no output devices are detected, the distribution
amplifier uses the factory default EDID (1024x768 @ 60 Hz).

While the distribution amplifier remains powered on, it monitors the Hot Plug Detect (HPD)
signal on each output and repeats the scan process whenever a display is connected or
disconnected.

When EDID Lock feature is enabled, the last recorded EDID is saved to the input and used
when the power is cycled on and off or when a new display, with a different resolution, is
connected.

Switch Position Action on the Input

On (Lock) • The last recorded EDID is stored to the input.

• After a power cycle, the stored EDID is used.

• After changing the displays connected to the DA, the

stored EDID is used.

Off (Default) • After a power cycle, the DA reads EDID from all valid

displays, determines the lowest resolution, and stores
that to the input.

• After changing displays, the DA reads EDID from all valid
displays, determines the lowest resolution, and stores
that to the input.

• When no displays are connected, the factory default
EDID (1024x768 @ 60 Hz) is provided to the input.

To enable the EDID Lock feature:

1. Remove and keep the screws holding the cover to the base. For the DVI DA4 Plus, there

are three screws along the rear edge of the top and two screws on each side. For the
DVI DA6 Plus and DVI DA8 Plus, there are four screws along the rear edge of the top
and three screws along each side. Set aside the cover.

2. Check the part number of the printed circuit board (see figure 5). The boards must have

a part number of 20-1667-01LF and higher for the DVI DA4 Plus or 20-1683-02LF and
higher for the DVI DA6 Plus or DVI DA8 Plus.

NOTE: If the part number of the board is lower than these values, the EDID Lock

feature is not available on your model. Replace the cover as described in
step 5.

3. Locate the Pre-emphasis and EDID Lock DIP switches. Figure 5, shows the switches for

the DVI DA4 Plus. The DVI DA6 Plus and DVI DA8 Plus have an identical block of DIP
switches in a similar position on the circuit board. The EDID Lock DIP switch (number 2)
is labeled EDID Mode.

DVI DA Plus Series • Operation 10

Pre-emphasis

4. By default, the EDID Mode DIP switch is in the down (disabled) position, allowing for

normal operation. To enable the EDID Lock feature, toggle the switch to the up position.

NOTE: Before enabling the EDID Lock feature, be sure the desired EDID is currently

being used.

5. Replace the cover, using the screws that were removed in step 1.

Pre-emphasis compensates for long cable runs, distortion, and pixelation on the distribution
amplifier outputs. To enable pre-emphasis:

1. Remove and keep the screws holding the cover to the base. For the DVI DA4 Plus, there

are three screws along the rear edge of the top and two screws on each side. For the
DVI DA6 Plus and DVI DA8 Plus, there are four screws along the rear edge of the top
and three screws along each side. Set aside the cover.

2. Check the part number of the printed circuit board (see figure 5). The boards must have

a part number of 20-1667-01LF and higher for the DVI DA4 Plus or 20-1683-02LF and
higher for the DVI DA6 Plus or DVI DA8 Plus.

NOTE: If the part number of the board is lower than these values, you cannot

activate pre-emphasis on your model. Replace the cover as described in
step 5.

3. Locate the Pre-emphasis DIP switch (number 1), which is labeled Preemph.

4. By default, the Pre-emphasis DIP switch is in the down (disabled) position. To enable

pre-emphasis, toggle the switch to the up position.

5. Replace the cover, using the screws that were removed in step 1.

DVI DA Plus Series • Operation 11

Troubleshooting

No output signal — Check that the front panel LED is lit (amber shows that the unit is
receiving power, green shows that it is also receiving an input signal). If LED is not lit, check
the power supply (page 4) and the video input connections (see page 5).

No output signal or poor quality signal — Check the integrity of the cabling from the
source device to the distribution amplifier and from the distribution amplifier to each of the
display devices.

• DVI signals run at very high frequency and poor connections can cause degradation or

• Signal transmission distance can vary greatly and depends on signal resolution, cable

• Use only cable that is designed for DVI signals.

• Limit or avoid the use of adapters or couplers.

• Enable the Pre-emphasis feature

Display device displays a flashing black or blue screen, snow or other distortion —
A device that is not HDCP compliant may be receiving HDCP-encrypted signals. The
DVI DA Plus series distribution amplifiers are not HDCP compliant.

Signal on some displays but not others — Reboot the source device. When the source
device boots up, the EDID handling feature ensures that the output resolution of the source
device matches the requirements of the display device with the lowest resolution.

loss of the signal, or jitter.

type, cable quality, graphics card and the display used in the system.

If an additional display device is added, which requires an even lower resolution, the image
will not be displayed correctly on that monitor until the source device is shut down and
rebooted. At that time, EDID handling ensures that the output resolution of the source
device is recalibrated to meet the needs of the additional display device.

NOTE: For EDID handling to work correctly, you must disable the EDID Lock feature for all

outputs (see “EDID Lock” on page 10).

DVI DA Plus Series • Operation 12

Specications

Video

Maximum data rate ........................ 4.95 Gbps (1.65 Gbps per color)

Maximum pixel clock ...................... 165 MHz

Resolution range ............................ Up to 1920x1200 or 1080p @ 60 Hz

Formats .......................................... RGB and YCbCr digital video

Standards ....................................... DVI 1.0, HDMI 1.2

Video input

Number/signal type ........................ 1 single link DVI-D (or HDMI*)

Connectors .................................... 1 female DVI-I

Video output

Number/signal type ........................ 4, 6, or 8 (depending on model) single link DVI-D (or HDMI*)

Connectors .................................... 4, 6, or 8 female DVI-I

NOTE: *Appropriate DVI-D to HDMI cables or adapters are required for HDMI signal input/output.

General

External power supply .................... 100 VAC to 240 VAC, 50-60 Hz, external; to 12 VDC, regulated

DVI DA4 Plus .................................. 1 A

DVI DA6 Plus, DVI DA8 Plus ............ 3 A

Power input requirements .............. 12 VDC

DVI DA4 Plus ........................... 1.0 A (max.)

DVI DA6 Plus, DVI DA8 Plus ..... 1.5 A (max.)

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 rack (DVI DA4 Plus) or included brackets (DVI DA6 or 8 Plus)

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

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

Enclosure dimensions

DVI DA4 Plus ........................... 1.75" H x 8.75" W x 3.0" D (1U high, half rack wide)

(4.4 cm H x 22.2 cm W x 7.6 cm D)
(Depth excludes connectors.)

DVI DA6 Plus, DVI DA8 Plus ..... 1.75" H x 17.5" W x 8.5" D (1U high, full rack wide)

(4.4 cm H x 44.4 cm W x 21.6 cm D)

(Depth excludes connectors.)

Product weight ............................... 2.8 lbs (1.3 kg)

Shipping weight ............................. 5 lbs (3 kg)

Vibration ........................................ ISTA 1A in carton (International Safe Transit Association)

Regulatory compliance

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

EMI/EMC ................................. CE, C-tick, FCC Class A, ICES, VCCI

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

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

NOTE: All nominal levels are at ±10%

Specifications are subject to change without notice.

DVI DA Plus Series • Specications 13

Reference Information

Included Parts

Description Part Number

DVI DA4 Plus 60-931-21

or DVI DA6 Plus 60-932-21

or DVI DA8 Plus 60-933-21

12 VDC, 1 A desktop power supply (for use with DVI DA4 Plus) 70-775-01

or 12 VDC, 3 A desktop power supply (for use with DVI DA6 Plus and
DVI DA8 Plus)

(1) IEC cord

(4) Rubber feet (not attached)

MBD 149 rack mount kit (DVI DA6 Plus and DVI DA8 Plus only) 70-077-03

DVI DA Plus Series Setup Guide

70-380-01

Optional Accessories

Description Part Number

RSF 123 (3.5 inches deep, 1U rack shelf kit) 60-190-20

RSB 123 (3.5 inches deep, 1U basic rack shelf) 60-604-21

RSU 126 (6 inches deep, 1U rack shelf kit) 60-190-10

RSB 126 (6 inches deep, 1U basic rack shelf) 60-604-11

RSU 129 (9.5 inches deep, 1U rack shelf kit) 60-190-01

RSB 129 (9.5 inches deep, 1U basic rack shelf) 60-604-02

MBU 149 under desk mounting kit (for DVI DA6 Plus and
DVI DA8 Plus)

MBU 123 under desk mounting kit (for DVI DA4 Plus only) 70-212-01

DVID SL series (3, 6 or 15 feet single link DVI-D male to male patch
cables)

IN9700 series (6, 25, 35, 50 or 75 feet single link DVI-D male to male
long distance extension cables)

70-222-01

26-585-0x

26-584-0x

DVI DA Plus Series • Reference Information 14

Mounting

This section outlines the various mounting options available for the DVI DA Plus series of
distribution amplifiers:

• Tabletop Placement

• Rack Mounting

• Under-desk Mounting

Tabletop Placement

Attach the four provided rubber feet to the bottom of the unit and place it in any
convenient location.

Rack Mounting

UL Guidelines for Rack Mounting

The following Underwriters Laboratories (UL) guidelines are relevant to the safe installation
of these products in a rack:

Elevated operating ambient temperature — If the unit is installed in a closed or multi­unit 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) specified by
Extron.

Reduced air flow — Install the equipment in the rack so that the equipment gets adequate
air flow for safe operation.

Mechanical loading — Mount the equipment in the rack so that uneven mechanical
loading does not create a hazardous condition.

Circuit overloading — Connect the equipment to the supply circuit and consider the
effect that circuit overloading might have on overcurrent protection and supply wiring.
Give appropriate consideration to the equipment nameplate ratings when addressing this
concern.

Reliable earthing (grounding) — Maintain reliable grounding of rack-mounted
equipment. Pay particular attention to supply connections other than direct connections to
the branch circuit (such as the use of power strips).

DVI DA Plus Series • Mounting 15

Rack Mounting the DVI DA4 Plus

The DVI DA4 Plus can be mounted a range of (optional) rack shelves (see Optional Parts on
page 14). To mount the units, follow the instructions provided with the rack mounting kit.

Rack Mounting the DVI DA6 Plus and DVI DA8 Plus

The DVI DA6 Plus and DVI DA8 Plus distribution amplifiers can be mounted using the Extron
MBD 149 rack mount kit (provided) following the instructions provided with the MBD 149.

Under-desk Mounting

Mount the DVI DA6 Plus or DVI DA8 Plus under furniture, using the optional Extron
MBU 149 under-desk mounting kit (part number 70-222-01). Mount the DVI DA4 Plus using
the optional Extron MBU 123 under-desk mounting kit (part number 70-212-01). Follow the
instructions provided with the appropriate kit.

DVI DA Plus Series • Mounting 16

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 Electronics
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 modifications were made to the
product that were not authorized by Extron.

Japan:
Extron Electronics, 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

NOTE: If a product is defective, please call Extron and ask for an Application Engineer to receive an RA

(Return Authorization) number. This will begin the repair process.

USA: [phone] Europe: +31.33.453.4040
Asia: +65.6383.4400 Japan: +81.3.3511.7655

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.

Installation Checklist

 Ensure that the input sources, the distribution amplifier and the output

displays are all turned off and all power sources and signal cables are
disconnected.

 Mount the unit as described in “Mounting”, (see page 15).

 Connect the cables (see “Rear Panel Features”, on page 4).

 If required, configure the internal DIP switches to disable EDID (see

page 8) from certain outputs, to activate the EDID Lock mode (see
page 10), or to enable pre-emphasis (see page 11).

 Plug in the power supply (see page 4).

 Turn on the display devices.

 Turn on the input devices (see “Operation”, on page 7).

Extron USA - West

Headquarters

+800.633.9876
Inside USA/Canada
Only

+1.714.491.1500
+1.714.491.1517 FAX

Extron USA - East

+800.633.9876

Inside USA/Canada
Only

+1.919.863.1794
+1.919.863.1797 FAX

Extron Europe

+800.3987.6673

Inside Europe Only

+31.33.453.4040
+31.33.453.4050 FAX

© 2010 Extron Electronics. All rights reserved. www.extron.com

Extron Asia

+800.7339.8766

Inside Asia Only

+65.6383.4400
+65.6383.4664 FAX

Extron Japan

+81.3.3511.7655
+81.3.3511.7656 FAX

Extron China

+400.883.1568

Inside China Only

+86.21.3760.1568
+86.21.3760.1566 FAX

Extron Middle East

+971.4.2991800
+971.4.2991880 FAX