AV Access 4KEX300-F User manual

4KEX300-F
HDMI2.0 Extender over Fiber
User Manual

Disclaimers
The information in this manual has been carefully checked and is believed to
be accurate. AV Access Technology Limited assumes no responsibility for any
infringements of patents or other rights of third parties which may result from its
use.
AV Access Technology Limited assumes no responsibility for any inaccuracies that
may be contained in this document. AV Access Technology Limited also makes
no commitment to update or to keep current the information contained in this
document.
AV Access Technology Limited reserves the right to make improvements to this
document and/or product at any time and without notice.
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All products or service names mentioned in this document may be trademarks of
the companies with which they are associated.
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Copyright
Copy, Reproduce, Distribute and/or Edit of this document or part of it as well
as utilization of its contents and communication thereof to others without
express authorization are prohibited. Offenders will be held liable for payment
of damages. All rights created by patent grant or registration of a utility model or
design patent are reserved. Copyright ©2017 AV Access Technology Limited All
rights reserved.

Important Safety Instructions
• Do not expose this device to rain, moisture, dripping or splashing. No objects
lled with liquids, such as vases, shall be placed on the device.
• Do not install or place this unit in a bookcase, built-in cabinet, or in another
conned space. Ensure the unit is well ventilated.
• To prevent risk of electric shock or fire hazard due to overheating, do not
obstruct the unit’s ventilation openings with newspapers, tablecloths,
curtains, or similar items.
• Do not install near any heat sources such as radiators, heat registers, stoves,
or other devices (including ampliers) that produce heat.
• Do not place sources of naked ames, such as lighted candles, on the unit.
• Clean this device only with dry cloth.
• Unplug this device during lightning storms or when unused for long periods
of time.
• Protect the power cord from being walked on or pinched, particularly at
plugs.
• Only use attachments/accessories specied by the manufacturer.
• Refer all servicing to qualied service personnel.

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Table of Contents
Introduction.......................................................................................................... 2
Overview...................................................................................................................................... 2
Features........................................................................................................................................ 2
Package Contents..................................................................................................................... 3
Panel.............................................................................................................................................. 4
Front Panel........................................................................................................................... 4
Rear Panel ............................................................................................................................ 5
Installation Instructions....................................................................................... 7
RS232 Pass Through ............................................................................................. 9
Specication ....................................................................................................... 10
Trouble Shooting................................................................................................ 12
Steps of Regular Troubleshooting Routine............................................................12
Typical Questions............................................................................................................12
Warranty.............................................................................................................. 14

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Introduction
Introduction
4KEX300-F is a slim HDMI transmitter receiver set. It supports resolutions up to
4K@60Hz 4:4:4 8bit and HDCP 2.2, transporting HDMI signals up to 1000ft/300m
over a duplex OM3 multi-mode optical ber cable.
4KEX300-F supports bi-directional IR/RS232 pass through via DIP Switch settings,
enabling users to control the source or display devices at either the transmitter or
receiver side with ease.
The transmitter and receiver are easy to install. They are space saving and oer
ideal solutions for homes, oces, digital entertainment centers, control centers,
conference rooms, schools and corporate training environments, etc.
• Supports resolutions up to 4K@60Hz 4:4:4 8bit and HDCP 2.2
• Supports HDR (High Dynamic Range) format
• Transmission distance up to 1000ft/300m via a duplex OM3 optical ber cable
• Supports bi-directional IR/RS232 pass through via DIP Switch settings
• Multi-channel PCM, Dolby and DTS HD audio supported up to 7.1
• Slim prole, space saving and easy-to-install
Overview
Features

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Introduction
Before you start the installation of the product, please check the package
contents:
• Transmitter 4KEX300-F x 1
• Receiver 4KEX300-F x 1
• 10Gbps 850nm MM SFP+ Module x 2
• Power Supply (DC 12V 0.5A) x 2
• IR Emitter x 1
• Broadband IR Receiver (30-50 KHz) x 1
• Phoenix Male Connector (3.5mm, 3 Pins) x 2
• Mounting Bracket x 4
• User Manual x 1
Package Contents

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Introduction
No. Name Description
1 Power LED On: The device is powered on.
O: The device is powered o.
2 Status LED Blinking: The device is working properly.
O: The device is not working properly.
3 HDCP LED
On: HDCP protected content is being transmitted.
Blinking: Non-HDCP protected content is being
transmitted.
O: No content is being transmitted.
4 Link LED
On: The link between transmitter and receiver is normal.
Blinking: The link between transmitter and receiver is
abnormal.
O: No link
Front Panel
Transmitter/Receiver
Panel
321

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Introduction
Rear Panel
Transmitter
No. Name Description
1 DC 12V DC 12V power input
2 HDMI In Connect to an HDMI source device.
3 Optical Out Connect to the Optical In port of the receiver via a
duplex OM3 multimode optical ber cable.
4 RS232 For RS232 pass through
5 IR In Connect to the supplied IR receiver. Secure the IR
receiver with adhesive.
6 IR Out
Connect to the supplied IR emitter. Secure the IR
emitter on the IR receiving sensor of source device with
adhesive.
7 Switch
Switch to RS232 or IR mode.
RS232: For RS232 pass through
IR: For IR pass through
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Introduction
Receiver
No. Name Description
1 DC 12V DC 12V power input
2 HDMI Out Connect to an HDMI display device.
3 Optical In Connect to the Optical Out port of the transmitter via a
duplex OM3 multi-mode optical ber cable.
4 RS232 For RS232 pass through
5 IR In Connect to the supplied IR receiver. Secure the IR
receiver with adhesive.
6 IR Out
Connect to the supplied IR emitter. Secure the IR emitter
on the IR receiving sensor of display device with
adhesive.
7 Switch
Switch to RS232 or IR mode.
RS232: For RS232 pass through
IR: For IR pass through
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Installation Instructions
Installation Instructions
The product package includes one IR emitter and one IR receiver. Please refer to
the following two applied installations.
Applied installation 1:
DVD
Application 1: Control the source at display location
7
Power Supply
The IR emitter head should
be secured over the center
of the DVD IR window.
16 8Connect the
HDMI source Connect the IR emitter
Connect the
power supply
DVD Remote
2
3 4 5
5
8Connect the
HDMI display
Connect the transmitter
and receiver via a duplex
OM3 fiber cable. Ensure its
length is within 1000ft/300m.
Transmitter
Receiver
Power Supply
Connect the
IR Receiver
Connect the
power supply
Switch to IR mode
Switch to
IR mode

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Installation Instructions
Applied installation 2:
Note:
• The source may be any HDMI source device such as an Apple TV, STB, Xbox,
DVD player, etc.
• The display may be any HDMI display device such as a TV, projector, LED/LCD
display, video wall, interactive whiteboard, etc.
Application 2: Control the display at source location
DVD
1
2
3
5
6
6
7
8
8Connect the
HDMI source
Connect the
HDMI display
Power Supply
Connect the transmitter
and receiver via a duplex
OM3 fiber cable. Ensure its
length is within 1000ft/300m.
Transmitter
Receiver
Power Supply
4
Connect the
IR Receiver
Connect the
IR emitter
Connect the
power supply
Connect the
power supply
Switch to IR mode
Switch to
IR mode
The IR emitter head
should be secured
over the center of
the TV IR window.
TV Remote

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RS232 Pass Through
RS232 Pass Through
The RS232 ports provide a channel to pass through protocol commands to control
third party devices such as your source or display. Switch the panel DIP Switch
to RS232, and then connect RS232-enabled devices (such as a computer and a
projector) to the transmitter and receiver respectively via RS232 cables. Please
refer to the following pin denition of RS232 during your installation.
Transmitter
Receiver
Switch to RS232 mode
Optical Fiber
Cable
Switch to RS232 mode
HDMI IN
HDMI OUTRS232 Cable
PC
RS232 Cable
Projector

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Specication
Specication
Technical
Video Signal Type HDMI 2.0 with HDCP 2.2
Input/Output Resolution
Supported
800x6008, 1024x7688, 1280x7688, 1280x8008,
1280x9608, 1280x10248, 1360x7688, 1366x7688,
1440x9008, 1600x9008, 1600x12008, 1680x10508,
1920x10808, 1920x12008, 3840x2160P2,3,5,6,8,
4096x2160P2,3,5,6,8
1 = at 23.98 Hz, 2 = at 24 Hz, 3 = at 25 Hz,
4 = at 29.97 Hz, 5 = at 30 Hz, 6 = at 50 Hz,
7 = at 59.94 Hz, 8 = at 60 Hz
Audio Format Stereo, PCM2.0/5.1/7.1, Dolby TrueHD and DTS
HD Master Audio
Fiber Type Duplex Multi-mode 850nm OM3 Fiber
Fiber Connector Type LC to LC
Maximum Data Rate 18 Gbps
General
Operating Temperature 0°C to 45°C (32°F to 113°F)
Storage Temperature -20°C to 70°C (-4°F to 158°F)
Humidity 10% to 90%, non-condensing
ESD Protection ±8kV(Air-gap discharge)/
±4kV(Contact discharge)
Surge Protection Voltage: ±1 kV

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Specication
Power Consumption
(Maximum)
Transmitter: 3.9W
Receiver: 3.5W
Device Dimensions
(W x H x D)
5.91'' x 0.79'' x 2.93''
(150 mm ×20 mm × 74.4 mm)
Product Net Weight Transmitter: 0.66lb (0.30kg)
Receiver: 0.66lb (0.30kg)
Cable Specications:
Cable Type Range Supported Video
HDMI
Input/Output: 49ft (15m) 1080P@60Hz
Input/Output: 33ft (10m) 4K@30Hz
Input: 10ft (3m)
Output: 16ft (5m) 4K@60Hz 4:4:4 8bit
Optical Fiber 1000ft (300m) 4K@60Hz 4:4:4 8bit

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Trouble Shooting
Trouble Shooting
Steps of Regular Troubleshooting Routine
1. Power: Please make sure all devices are powered on (the source, extender set
and display).
2. Indicator: Please make sure LED indicators of the transmitter and receiver are
normal according to user manual.
3. Devices: Please make sure picture can be shown normally when connecting
source to display devices directly.
4. Cable: Plug in and out the HDMI/fiber cable or try another HDMI/fiber
cable. Please make sure the specic cable length is within the transmission
range listed in below table based on dierent resolutions.
Resolution and Transmission Range
1080P 4K@60 420
4K@30 444 4K@60 444
HDMI IN 49ft 33ft 10ft
HDMI OUT 49ft 33ft 16ft
Optical Fiber 1000ft
5. Compatibility: Please test other source and display devices to determine if it
is a compatibility issue.
Cable
Resolution
Typical Questions
1. How to deal with video ash or cut o during the installation?
• Power indicator should be solid on and status indicator should be
blinking. If not, please check if the power adapter is well connected.
• Link indicator should be solid on. If it is blinking or off, it is likely a
problem with your optical ber cable. Please change to a qualied cable

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Trouble Shooting
and ensure the cable length is within 1000ft/300m.
• HDCP indicator should be solid on or blinking. If it is off, it means no
signal pass through. Please check if the HDMI cables are well connected
to the source and display, and the optical fiber cable that connects
transmitter to receiver is normal. Try a better HDMI cable or ber cable.
2. How to deal with a weak or not working IR signal?
• Make sure the IR cables are correctly installed according to the
Installation Instruction diagram above.
• Check if the IR emitter head is secured over the center of the device IR
receiver window. The best position may vary depending on the device.
Please refer to the device user manual. If the signal is weak, please try to
adjust the position.
• Pay attention to the control angle and distance as below.The control
signal will be better when your controller is pointed at the IR receiver
head directly.
Enabled Angle 0° 30°(Horizontal) 15°(Vertical)
Distance 26ft (Max) 15ft (Max) 10ft (Max)
3. How can I make the IR work with third party control device?
• Please make sure the third party device follows our pin definition as
below:
• You can purchase an AV Access universal IR cable that will be compliant
with any third party device (Amazon ASIN: "B01MYX46IC").
IR Receiver
Gnd
IR signal
5V
IR Emitter
5V
IR signal

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Warranty
Warranty
Products are backed by a limited 3-year parts and labor warranty. For the
following cases AV Access Technology Limited shall charge for the service(s)
claimed for the product if the product is still remediable and the warranty card
becomes unenforceable or inapplicable.
1. The original serial number (specified by AV Access Technology Limited)
labeled on the product has been removed, erased, replaced, defaced or is
illegible.
2. The warranty has expired.
3. The defects are caused by the fact that the product is repaired, dismantled
or altered by anyone that is not from an AV Access Technology Limited
authorized service partner. The defects are caused by the fact that the
product is used or handled improperly, roughly or not as instructed in the
applicable User Guide.
4. The defects are caused by any force majeure including but not limited to
accidents, re, earthquake, lightning, tsunami and war.
5. The service, configuration and gifts promised by salesman only but not
covered by normal contract.
6. AV Access Technology Limited preserves the right for interpretation of these
cases above and to make changes to them at any time without notice.
Thank you for choosing products from AV Access.

AV Access Technology Limited
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