User Guide
HDMI & DVI Extenders
DTP DVI 230
DVI Twisted Pair Extender
68-2341-01 Rev. B
06 13
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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. The Class A limits 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 interference; correcting the interference is at the expense of the user.
ATTENTION: The Twisted Pair Extension technology works with unshielded twisted pair (UTP)
or shielded twisted pair (STP) cables; but, to ensure FCC Class A and CE compliance, STP
cables and STP Connectors are required.
For more information on safety guidelines, regulatory compliances, EMI/EMF compatibility,
Guide” on the Extron website.
Specifications Availability
Conventions Used in this Guide
Notifications
The following notifications are used in this guide:
CAUTION: A caution indicates a situation that may result in minor injury.
ATTENTION: Attention indicates a situation that may damage or destroy the product or
associated equipment.
NOTE: A note draws attention to important information.
Copyright
© 2013 Extron Electronics. All rights reserved.
Trademarks
All trademarks mentioned in this guide are the properties of their respective owners.
The following registered trademarks®, registered service marks(SM), and trademarks(TM) are the property of
RGB Systems, Inc. or Extron Electronics:
Registered Trademarks(®)
AVTrac, Cable Cubby, CrossPoint, eBUS, EDID Manager, EDID Minder, Extron, Flat Field, GlobalViewer, Hideaway, Inline, IP Intercom, IP Link,
Key Minder, LockIt, MediaLink, PoleVault, PowerCage, PURE3, Quantum, SoundField, SpeedMount, SpeedSwitch, System Integrator,
TeamWork, TouchLink, V‑Lock, VersaTools, VN‑Matrix, VoiceLift, WallVault, WindoWall
Registered Service Mark(SM) : S3 Service Support Solutions
Trademarks(™)
AAP, AFL (Accu‑Rate Frame Lock), ADSP (Advanced Digital Sync Processing), AIS (Advanced Instruction Set), Auto‑Image, CDRS (Class D
Ripple Suppression), DDSP (Digital Display Sync Processing), DMI (Dynamic Motion Interpolation), Driver Configurator, DSP Configurator, DSVP
(Digital Sync Validation Processing), FastBite, FOXBOX, IP Intercom HelpDesk, MAAP, MicroDigital, ProDSP, QS‑FPC (QuickSwitch Front Panel
Controller), Scope‑Trigger, SIS, Simple Instruction Set, Skew‑Free, SpeedNav, Triple‑Action Switching, XTP, XTP Systems, XTRA, ZipCaddy,
ZipClip
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Contents
Reference Information ...................................... 10
Introduction............................................................ 1
Mounting the Transmitter or Receiver................ 10
Tabletop Use ................................................ 10
Mounting kits................................................ 10
UL Rack‑Mounting Guidelines ...................... 11
Disconnecting the Ground................................ 11
About this Guide................................................. 1
About the DTP DVI 230 Tx/Rx Transmitter
and Receiver ..................................................... 1
TP Cable Advantages..................................... 2
Control Communications ................................ 2
Features ............................................................. 2
Installation and Operation.................................. 3
Mounting the Units ............................................. 3
Connections....................................................... 3
Transmitter Connections................................. 3
Receiver Connections..................................... 5
Connector and Cable Details.......................... 6
Operation ........................................................... 9
DTP DVI 230 Tx/Rx Transmitter and Receiver • Table of Contents
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Introduction
•
•
•
About this Guide
This guide describes the Extron DTP DVI 230 Long Distance Digital Visual Interface
(DVI) Twisted Pair Extender, which consists of a DTP DVI 230 Tx transmitter and a
DTP DVI 230 Rx receiver. This guide describes how to install, operate, and configure the
transmitter and receiver.
About the DTP DVI 230 Tx/Rx Transmitter and Receiver
The Extron DTP DVI 230 Tx/Rx transmitter and receiver pair (see figure 1) extends the
usable distance of DVI digital video, optional analog audio, and bidirectional RS‑232 and
infrared (IR) control signals over one Extron XTP DTP 24 shielded twisted pair (STP) cable
(recommended) or Category (CAT) 5e, CAT 6, or CAT 6a STP or unshielded twisted pair
(UTP) cable. The DTP DVI 230 can also extend HDMI video, which may include embedded
audio, with the appropriate adapters. The video, audio, and control signals can be
transmitted up to 230 feet (70 m).
TouchLink
Control
System
TCP/IP
VCR
D
DV
DOC
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EN
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100
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EN
RE
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LA
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DO
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INPU
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IR
3
1
4
M
O
3
4
C
X
2
R
1
2
TX
4
2
2
L
IP
1
2
3
R
RS-232
CATx Cable
up to 230' (70 m)
T
U
P
T
U
O
L
A
C
O
L
DVI 230 Tx
D
I-
V
D
UTS
P
N
I
Extron
IO
Extron
D
U
A
DTP DVI 230 Tx
DTP DVI 230 Rx
Transmitter
Receiver
DVI Cable
RS-232
DVI Cable
R
AUDIO
L
TS
U
P
T
U
O
DTP DVI 230 Rx
D
I-
V
D
Projector
Media PC
Figure 1. Typical Transmitter and Receiver Application
The DTP DVI 230 Tx/Rx units are housed in quarter rack width metal enclosures. They can
be set on a tabletop or mounted in a rack, under or through furniture. The receiver can also
be mounted on a projector bracket.
DTP DVI 230 Tx/Rx Transmitter and Receiver • Introduction
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The transmitter is shipped with a single external desktop 12 VDC power supply that
accepts 100 to 240 VAC, 50‑60 Hz input. A single power supply connected to either the
transmitter or the receiver can power both units through the TP cable that carries DVI video.
TP Cable Advantages
Twisted pair cable is much smaller, lighter, more flexible, and less expensive than coaxial
or DVI cable. These transmitter and receiver twisted pair (TP) products make cable runs
simpler and less cumbersome. Termination of the cable with RJ‑45 connectors is simple,
quick, and economical.
NOTE: Do not use Extron UTP23SF‑4 Enhanced Skew‑Free AV UTP cable or
STP201 cable to link the transmitter and receiver. The DTP DVI 230 Tx/Rx does not
work properly with these cables.
Control Communications
The RS‑232 and IR communications are a passive pass‑through only. The transmitter and
receiver do not generate or respond to the RS‑232 and IR communication signals.
Features
Transmits single link DVI signals over a single STP or UTP cable — Standard twisted
pair cables provide an economical, easily installed cable solution.
Long distance transmission — Extends video, audio, and control signals up to 230 feet
(70 m).
Supports Display Data Channel (DDC) transmission — The transmitter and receiver
pair fully supports long distance transmission of the DDC signals.
Control communications pass-through — Bidirectional RS‑232 and IR control signals
can be transmitted alongside the DVI signal, so that the remote display can be controlled
without the need for additional cabling.
Supports Consumer Electronics Control (CEC) signal transmission
1-inch high, quarter rack width, metal enclosures — With low profile enclosures, the
transmitter and receiver can be discreetly installed in locations such as behind a plasma or
LCD flat‑panel display.
External 100 VAC to 240 VAC, 50-60 Hz, international power supply — One power
supply is included with the transmitter.
Remote powering of transmitter or receiver — Only one power supply is normally
necessary to power both devices.
DTP DVI 230 Tx/Rx Transmitter and Receiver • Introduction
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Installation and
Operation
This section describes the installation and the operation of the DTP DVI 230 Tx/Rx Extender,
including:
•
•
•
Mounting the Units
ATTENTION:
• Installation and service must be performed by authorized personnel only.
• Avoid ground potential differences between the transmitter and receiver installation
sites, which can lead to equipment damage or a missing or unstable picture. If
a potential difference cannot be avoided, remove the ground connection between
page 11). In this configuration, the DTP DVI 230 cannot extend analog audio and
each unit requires a local power supply.
Connections
Transmitter Connections
DDC ROUTE
REMOTE
INPUTS
DVI-D
POWER
12V
0.8 A MAX
LOCAL OUTPUT
SIG
LINK
OVER DTP
AUDIO
RS-232
IR
ON
1
2
DTP OUT
Tx Rx
G
Tx Rx
DTP DVI 230 Tx
SPARE
LOCAL
Rear
Front
6
5
4
3
1
2
Figure 2. DTP DVI 230 Tx Connectors
a DVI input connector — Connect an DVI cable between this port and the DVI output
port (or HDMI port, with an appropriate adapter) of the digital video source.
DTP DVI 230 Tx/Rx Transmitter and Receiver • Installation and Operation
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b Local Output connector — If desired, connect a DVI monitor for local monitoring of
the input digital image.
NOTES:
• The local output is limited to a data rate of 4.95 Gbps (1.65 Gbps per color).
• In a system where the local output is not used, ensure that you power up the
end display first before the video source. Route the DDC to the remote end
c Audio input connector — If desired, plug an analog audio input into the transmitter
via this stereo mini jack connector.
NOTE: The analog audio input on this connector is in
Tip (+)
addition to the digital audio that may be embedded
Ring (
-)
in the DVI input. See the figure at right to identify
the connector tip, ring, and sleeve when you
are making connections for the transmitter from
existing audio cables. A mono audio connector
consists of the tip and sleeve. A stereo audio
connector consists of the tip, ring, and sleeve.
Sleeve (
)
3.5 mm Stereo Plug Connector
(balanced)
d RS-232 and IR connector — Connect a serial RS‑232 signal, a modulated IR
signal, or both to this 3.5 mm, 5‑pole captive screw connector for bidirectional RS‑232
connector).
e DTP Output RJ-45 connector — Connect one end of a TP cable to this RJ‑45
female connector on the transmitter. Ensure the opposite end of this cable is connected
ATTENTION: Do not connect this device to a telecommunications or computer
data network.
wire the RJ‑45 connectors and for detailed NOTES.
Signal LED — Indicates the unit is receiving a TMDS clock signal on the DVI input.
Link LED — Indicates a valid link is established between the units on the DTP input
and output cable.
f Power input connector — Plug the included external 12 VDC power supply into
on
NOTES:
• One power supply is included with the transmitter and normally can power
both units.
on page 11) because of ground potential differences, one DTP DVI 230 unit
cannot remotely power the other unit. Each unit requires a local power
supply.
DTP DVI 230 Tx/Rx Transmitter and Receiver • Installation and Operation
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Receiver Connections
OUTPUTS
SIG
LINK
POWER
12V
0.8 A MAX
OVER DTP
AUDIO
L
R
DVI-D
RS-232
IR
DTP IN
Tx Rx
G
Tx Rx
DTP DVI 230 Rx
Rear
Front
11
7
10
8
9
Figure 3. DTP DVI 230 Rx Connectors
g DTP Input RJ-45 connector — Connect one end of the TP cable from the transmitter
output connector to this RJ‑45 female connector. Ensure the opposite end of this cable
ATTENTION: Do not connect this device to a telecommunications or computer
data network.
properly wire the RJ‑45 connectors and for detailed NOTES.
Signal LED — Indicates the unit is receiving a valid signal on the DTP In connector.
Link LED — Indicates a valid link is established between the units on the DTP input
and output cable.
h DVI output connector — Connect a display with an DVI input port (or HDMI input
port, with an appropriate adapter) to display the transmitted direct digital image.
i Audio output connector — This 5‑pole, 3.5 mm captive screw connector outputs
the transmitted, unamplified, line level analog audio. Connect an audio device, such as
an audio amplifier or powered speakers.
See figure 4 to properly wire a captive screw output connector. Use the supplied
tie‑wrap to strap the audio cable to the extended tail of the connector.
No Ground Here
Tip
Ring
Sleeves
Tip
Tip
Sleeves
Tip
Ring
Do not tin the wires!
No Ground Here
Unbalanced Stereo Output
Balanced Stereo Outp
Figure 4.
Captive Screw Connector Wiring for Stereo Audio Output
ATTENTION: For unbalanced audio, connect the sleeves to the ground contact.
Do not connect the sleeves to the negative (‑) contacts.
NOTES:
page 11) because of ground potential differences, the DTP DVI 230 cannot
extend analog audio. No analog audio is output.
• The length of exposed wires is critical. The ideal length is 3/16 inch (5 mm).
• If the stripped section of wire is longer than 3/16 inch, the exposed wires
may touch, causing a short circuit.
• If the stripped section of wire is shorter than 3/16 inch, wires can be easily
pulled out even if tightly fastened by the captive screws.
• Do not tin the power supply leads before installing them in the connector.
Tinned wires are not as secure in the connector and could be pulled out.
DTP DVI 230 Tx/Rx Transmitter and Receiver • Installation and Operation
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j RS-232 and IR connector — Connect a serial RS‑232 signal, a modulated IR
signal, or both to this 3.5 mm, 5‑pole captive screw connector for bidirectional RS‑232
connector).
k Power input connector — Plug the included external 12 VDC power supply into
either this 2‑pole connector or the power input connector on the transmitter (see
connector).
NOTES:
• One power supply is included with the transmitter and normally can power
both units.
on page 11) because of ground potential differences, one DTP DVI 230 unit
cannot remotely power the other unit. Each unit requires a local power
supply.
Connector and Cable Details
TP cable termination and recommendations
Figure 5 details the TIA/EIA T 568B wiring standard. Use this standard to terminate TP
cables with RJ‑45 connectors.
Side
Pins:
12345678
TIA/EIA T
568 B
Pin Wire color
1
2
3
White-orange
Orange
White-green
4
5
6
7
8
Blue
White-blue
Green
Insert
Twisted
Pair Wires
White-brown
Brown
Figure 5. TP Cable Termination
NOTE: Do not use Extron UTP23SF‑4 Enhanced Skew‑Free AV UTP cable or STP201
cable to link the transmitter and receiver. The DTP DVI 230 Tx/Rx does not work
properly with these cables.
DTP DVI 230 Tx/Rx Transmitter and Receiver • Installation and Operation
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Supported cables —
The DTP DVI 230 is compatible with CAT 5e, 6, 6a, and 7 shielded twisted pair (F/UTP,
SF/UTP, and S/FTP) and unshielded twisted pair (U/UTP) cable.
Cable recommendations —
Extron recommends using the following practices to achieve full transmission distances up
to 230 feet (70 m) and reduce transmission errors.
•
Use the following Extron XTP DTP 24 SF/UTP cables and DTP 24 connectors for the
best performance:
•
•
•
XTP DTP 24/1000
XTP DTP 24P/1000 Plenum 1000’ (305 m) spool
XTP DTP 24 Plug Package of 10
Non‑Plenum 1000’ (305 m) spool
22‑236‑03
22‑235‑03
101‑005‑02
•
If not using XTP DTP 24 cable, at a minimum, Extron recommends 24 AWG, solid
conductor, STP cable with a minimum bandwidth of 400 MHz.
•
•
Terminate cables with shielded connectors to the TIA/EIA T 568 B standard.
Use no more than two pass‑through points, which may include patch points, punch
down connectors, couplers, and power injectors. If these pass‑through points are
required, use CAT 6 or 6a shielded couplers and punch down connectors.
NOTE: When using CAT5e and CAT6 cable in bundles or conduits, consider the
following:
• Do not exceed 40% fill capacity in conduits.
• Do not comb the cable for the first 20 meters, where cables are straightened,
aligned, and secured in tight bundles.
• Loosely place cables and limit the use of tie wraps or Velcro®.
• Separate twisted pair cables from AC power cables.
DTP DVI 230 Tx/Rx Transmitter and Receiver • Installation and Operation
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Power supply wiring
NOTES:
• One power supply is included with the transmitter and normally can power both
units.
page 11) because of ground potential differences, one DTP DVI 230 unit cannot
remotely power the other unit. Each unit requires a local power supply.
Figure 6 shows how to wire the connector. Use the supplied tie‑wrap to strap the power
cord to the extended tail of the connector.
Smooth
Ridges
A
A
SECTION A–A
Power Supply
Tie Wrap
Output Cord
3
5
Figure 6. Power Connector Wiring
CAUTION: Electric shock hazard —
• The two power cord wires must be kept separate while the power supply is
plugged in. Remove power before wiring.
• The length and preparation of exposed wires is important (see the second and
ATTENTION:
• This product is intended to be supplied by a Listed Power Unit marked “Class 2”
or “LPS,” rated 12 VDC, 1.0 A minimum. 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 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 a
building structure or similar structure.
• Power supply voltage polarity is critical. Incorrect voltage polarity can damage the
power supply and the unit. The ridges on the side of the cord (see figure 6) identify
the power cord negative lead.
To verify the polarity before connection, plug in the power supply with no load and check the
output with a voltmeter.
DTP DVI 230 Tx/Rx Transmitter and Receiver • Installation and Operation
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RS-232 and IR connector wiring
Figure 7 shows how to wire the RS‑232 connector.
IR Device
Rx Tx Gnd
Tx/Rx
Pins
Tx Rx Gnd
RS-232 Device
Figure 7. RS-232 Connector Wiring
NOTES:
• The IR Tx and Rx line pair and the RS‑232 Tx and Rx line pair must each cross
once between this connector and the source or destination.
• The length and preparation of exposed wires is important (see the second and
Operation
Figure 8 shows the location of the power indicators on the front and rear panels of the
transmitter and receiver.
DDC ROUTE
POWER
REMOTE
12V
0.8 A MAX
ON
1
1
2
SPARE
LOCAL
Front
(Both Units)
Rear
(Tx)
2
3
Figure 8. Power Indicators
a Power (and signal) LED (front panel) —
Amber — The unit is receiving power, either locally or remotely (on the DTP cable).
Green — The unit is receiving an active DVI input, either on the DVI input if a
transmitter, or transmitted on the DTP cable if a receiver.
b Power LED (rear panel) —
Amber — The unit is receiving power remotely (on the DTP cable).
Green — The unit is receiving power locally.
c DDC Route switch — This rear panel switch selects either the remote or local DVI
display as the DDC reference (for EDID communications).
After the transmitter, the receiver, and their connected devices are powered up, the system is
fully operational. If any problems are encountered, ensure all cables are routed and
connected properly.
NOTE: Ensure that the video source and display selected for the DDC are properly
connected to the transmitter and receiver pair, and that the transmitter, the receiver,
and the display have power applied before power is applied to the video source.
If the other devices are not turned on before the video source, the image may not
appear.
DTP DVI 230 Tx/Rx Transmitter and Receiver • Installation and Operation
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Reference
Information
This section provides procedures for mounting the DTP DVI 230 Tx/Rx transmitter and
receiver and disconnecting the ground between them.
•
•
Mounting the Transmitter or Receiver
ATTENTION:
• Installation and service must be performed by authorized personnel only.
• Avoid ground potential differences between the transmitter and receiver installation
sites, which can lead to equipment damage or a missing or unstable picture. If
a potential difference cannot be avoided, remove the ground connection between
next page).
The 1‑inch high, quarter rack width DTP DVI 230 transmitter or receiver can be placed on
a table, mounted in a rack, or mounted under a desk or table. The receiver can also be
mounted on a projector bracket.
Tabletop Use
Affix the included rubber feet to the bottom of the unit and place it in any convenient
location.
Mounting kits
Mount the unit using any optional compatible mounting kit listed on the Extron website
DTP DVI 230 Tx/Rx Transmitter and Receiver • Reference Information
10
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UL Rack-Mounting Guidelines
The following Underwriters Laboratories (UL) requirements pertain to the installation of the
unit into a rack.
•
Elevated operating ambient temperature — If installed in a closed or multi‑unit rack
assembly, the operating ambient temperature of the rack environment may be greater
than room ambient. Therefore, consider installing the equipment in an environment
compatible with the maximum ambient temperature (TMA = +122 °F, +50 °C) specified
by Extron.
•
•
•
Reduced air flow — Installation of the equipment in a rack should be such that the
amount of air flow required for safe operation of the equipment is not compromised.
Mechanical loading — Mounting of the equipment in the rack should be such that a
hazardous condition is not achieved due to uneven mechanical loading.
Circuit overloading — Consideration should be given to the connection of the
equipment to the supply circuit and the effect that overloading of the circuits might have
on overcurrent protection and supply wiring. Appropriate consideration of equipment
nameplate ratings should be used when addressing this concern.
•
Reliable earthing (grounding) — Reliable earthing of rack‑mounted equipment
should be maintained. Particular attention should be given to supply connections other
than direct connections to the branch circuit (such as use of power strips).
Disconnecting the Ground
If you cannot resolve a ground potential difference between the transmitter and receiver
installation sites (as suggested by a missing or unstable picture), remove the ground
connection between the units as follows:
NOTE: Once you have removed the ground jumpers, the DTP DVI 230 cannot extend
analog audio and one unit cannot remotely power the other. No analog audio is
output and each unit requires a local power supply.
1. Disconnect any cables and remove the transmitter and receiver from any rack or other
installation option.
2. Remove and retain the screws securing the covers to the transmitter and receiver. Slide
the covers forward slightly and lift them off both units (see figure 9).
•
•
Transmitter — Six screws, two on each side and two on top
Receiver — Eight screws, three on each side and two on top
Cover Screws
(6 Plcs)
Cover Screws
(8 Plcs)
Rear Panel
Rear Panel
Transmitter
Receiver
Figure 9.
Opening the Transmitter and Receiver
DTP DVI 230 Tx/Rx Transmitter and Receiver • Reference Information
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3. Locate, lift off, and discard jumpers JMP2 and JMP3 from both units (see figure 10).
JMP2
JMP3
JMP2
JMP3
Transmitter
Receiver
Figure 10. Jumper Locations
4. Reinstall the covers on both units, securing them in place with the screws removed in
step 2.
6. If you are using shielded cable, disconnect the cable shield from the connector at
either end of the cable.
7. Obtain a second 12 V power supply (one supply is provided with the transmitter and
normally powers both units), and locally power both units (see Power supply wiring
on page 8).
DTP DVI 230 Tx/Rx Transmitter and Receiver • Reference Information
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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
1230 South Lewis Street
Anaheim, CA 92805
U.S.A.
Japan:
Extron Electronics, Japan
Kyodo Building, 16 Ichibancho
Chiyoda‑ku, Tokyo 102‑0082
Japan
Europe and Africa:
Extron Europe
Hanzeboulevard 10
3825 PH Amersfoort
The Netherlands
China:
Extron China
686 Ronghua Road
Songjiang District
Shanghai 201611
China
Asia:
Middle East:
Extron Asia Pte Ltd
135 Joo Seng Road, #04‑01
PM Industrial Bldg.
Singapore 368363
Singapore
Extron Middle East
Dubai Airport Free Zone
F12, PO Box 293666
United Arab Emirates, Dubai
This Limited Warranty does not apply if the fault has been caused by misuse, improper handling care, electrical
or mechanical abuse, abnormal operating conditions, or if modifications were made to the product that were not
authorized by Extron.
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: 714.491.1500 or 800.633.9876
Asia: 65.6383.4400
Europe: 31.33.453.4040
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.
Extron Asia
Extron India
Extron Headquarters
Extron Europe
Extron Japan
Extron China
Extron Middle East
Extron Korea
+65.6383.4400
+65.6383.4664 FAX
1800.3070.3777
(Inside India Only)
+1.800.633.9876 (Inside USA/Canada Only)
+800.3987.6673
(Inside Europe Only)
+81.3.3511.7655
+81.3.3511.7656 FAX
+86.21.3760.1568
+86.21.3760.1566 FAX
+971.4.299.1800
+971.4.299.1880 FAX
+82.2.3444.1571
+82.2.3444.1575 FAX
Extron USA - West
+1.714.491.1500
Extron USA - East
+1.919.850.1000
+91.80.3055.3777
+31.33.453.4040
+91.80.3055.3737 FAX
+1.714.491.1517 FAX
+1.919.850.1001 FAX
+31.33.453.4050 FAX
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