AVLink IAA-22 User manual

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User Manual
TV Walls
2x2
Irregular splicing
V.2018IAA-22(H).01

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COPYRIGHT AND TRADEMARKS
All rights reserved by AVLINK GROUP LTD., No part of this document may be
reproduced in any form or by any means without written permission from the product
manufacturer. Changes are periodically made to the information in this document.
They will be incorporated in subsequent editions. The product manufacturer may make
improvements and /or changes in the product described in this document at any time.
All the registered trademarks referred to this manual are belonging to their respective
companies.

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BEFORE YOU BEGIN
▪Follow all instructions marked on the device during using.
▪Provide proper ventilation and air circulation and do not use near water.
▪It is better to keep it in a dry environment.
▪Place the device on a stable surface (example cart, stand, table, etc.).
▪The system should be installed indoor only. Install either on a sturdy rack or desk in a
well-ventilated place.
▪Make sure the rack is level and stable before extending a device from the rack if
necessary.
▪Make sure all equipments installed on the rack including power strips and other
electrical connectors are properly grounded.
▪Only use the power cord supported with the device.
▪Do not use liquid or aerosol cleaners to clean the device.
▪Always unplug the power to the device before cleaning.
▪Unplug the power cord during lightning or after a prolonged period of non-use to avoid
damage to the equipment.
▪Do not stand on any device while installing the device to the rack.
▪Do not attempt to maintain the device by yourself, any faults, please contact your
vendor.
▪Save this manual properly for future reference.

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TABLE OF CONTENTS
Copyright and Trademarks..........................................................................................................0
Before You Begin..........................................................................................................................1
Table of Contents..........................................................................................................................2
List of Figures................................................................................................................................3
Chapter 1 Overview.....................................................................................................................4
1.1 Introduction....................................................................................................................4
1.2 Packing..........................................................................................................................5
1.3 Applications...................................................................................................................5
Chapter 2 Features......................................................................................................................6
Chapter 3 Specifications .............................................................................................................7
Chapter 4 Installation...................................................................................................................8
Chapter 5 Front/Rear Panels .....................................................................................................9
5.1 Front Panel....................................................................................................................9
5.2 Rear Panel...................................................................................................................10
5.3 Connectors.................................................................................................................. 11
5.3.1 HDMI .................................................................................................................. 11
5.3.2 Micro USB.......................................................................................................... 11
Chapter 6 Connections..............................................................................................................12
6.1 Input Connection........................................................................................................12
6.2 Output Connection.....................................................................................................13
6.3 Micro USB Connection..............................................................................................13
6.4 Audio Output Connection..........................................................................................14
6.5 Power Connection......................................................................................................14
Chapter 7 Troubleshooting........................................................................................................15

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LIST OF FIGURES
Figure 1-1: IAA-22...............................................................................................................4
Figure 4-1: IAA-22 with 1U Rack-Mount Bracket...........................................................8
Figure 4-2: Place the Device on a Sturdy Surface.........................................................8
Figure 5-1: IAA-22 Front Panel.........................................................................................9
Figure 5-2: IAA-22 Rear Panel........................................................................................10
Figure 5-3: HDMI Connector...........................................................................................11
Figure 5-4: Micro USB Connector..................................................................................11
Figure 6-1: IAA-22 Connections .....................................................................................12
Figure 6-2: Input Connection-HDMI...............................................................................12
Figure 6-3: Output Connection-HDMI............................................................................13
Figure 6-4: Micro USB Connection.................................................................................13
Figure 6-5: Audio Output Connection.............................................................................14
Figure 6-6: Power Connection........................................................................................14

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CHAPTER 1 OVERVIEW
1.1 Introduction
The crescent walls is a TV Wall consists of multiples monitors (any splicing) lied
together contiguously or overlapped in order to form one large screen. Use typical
display technologies and mullion compensation with seamless output feature.
For the video display orientation configuration, the crescent walls allow you to
configure the video with Irregular splicing mode and PIP mode. The output picture
will adjust the aspect ratio to available display size automatically. The picture will
not be deformed due to a 360 rotation.
Moreover, while color temperature dramatically affects the picture qualities of an
LCD monitor. User can simply use the default values to restore the picture basic
quality. A good understanding of the meaning of color temperature will enable
better adjustments of LCD monitor picture quality.
Through the HDMI (IAA-22) interfaces you can optional select output transmission
mode featuring a high resolution and low energy consumption. Typical application
areas of the crescent walls include information displays, digital advertisings,
meeting rooms and so on.
Figure 1-1: IAA-22

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1.2 Packing
IAA-22 (H) x 1
12V/5A Power adaptor x 1
CD Manual x 1
HDMI cable x 4
Micro USB cable x 1
1.3 Applications
TV Walls can be used to display information for:
◼Public and Emergency Services
◼Intelligent Traffic Systems
◼Surveillance and Security
◼Telecommunications
◼Power and Utilities
◼Data Monitoring
◼Broadcast
◼Defense
◼Energy

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CHAPTER 2 FEATURES
▪Crescent TV Wall can be configured as any splicing through convenient
computer tools.
▪Crescent TV Wall can be configured as PIP function through convenient
computer tools.
▪The computer tools are user-friendly and flexible, allowing users to easily
operate.
▪Mullion compensation.
▪Color temperature adjustments.
▪Supports hardware EDID simulation and bezel adjustment features.
▪Can be configured landscape mode to be used as TV Walls (with mullion
compensation).
▪Supports USB connector interface.
▪Supports HDMI connector for output display identical image on local side.
▪HDMI output
- Supports 2 HDMI input and 2 output interfaces.
▪Supports HDMI interface or S/PDIF interface for audio output.
▪Supports HDMI Remote Extender (Optional).
▪Supports resolution up to 1080P for each Crescent TV Wall.
▪12V power adaptor.
▪1U rack design.

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CHAPTER 3 SPECIFICATIONS
Hardware
Input Connector
HDMI Type A Female:
- IAA-22 (H) x 2
Output Connector
HDMI Type A Female (Local Video Output):
- IAA-22 (H) x 2
USB Connector
Micro USB type x 1
Audio port
Digital Optical Toslink x 1
RCA Digital Audio x 1
Power
DC/12V
LED Indicator
Device/Signal Status x 8
Housing
Metal
Mounting
Rack mountable (1U-rack-mount kit)
Weight
IAA-22 (H): 2.85Kg
Dimensions (LxWxH)
IAA-22 (H): 444x222x44 mm
Multimedia
Max. Resolution
1080P for each TV Wall
Control Information
HDMI Cable Distance
Local: 10 meters (Max.) / Remote: 10 meters (Max.)

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CHAPTER 4 INSTALLATION
IAA-22 has a black metallic housing. It can be placed on a sturdy desk directly or
installed on a bracket. You can also use the rubber feet pasted on the bottom of the
chassis to protect your device when you want to place it on a working desk.
Figure 4-1: IAA-22 with 1U Rack-Mount Bracket
Attach the rubber feet to the bottom of the device, Place the device on a sturdy, level
surface that can support the weight.
Figure 4-2: Place the Device on a Sturdy Surface

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CHAPTER 5 FRONT/REAR PANELS
5.1 Front Panel
Figure 5-1: IAA-22 Front Panel
The IAA-22 supports 8 clear LED indicators designed for device status.
▪HDMI IN1/IN2 LED indicator: Specified for the status of plugging HDMI connector into
input port, if the LED is extinguished, it means that the quality of HDMI is not good.
▪HDMI OUT1/OUT2 indicator: Specified for the status of plugging HDMI connector into
output port, if the LED is extinguished, it means that the quality of HDMI is not good.
▪HDCP1/HDCP2 indicator: Specified for the HDCP function is enabled or disabled. If
the LED is extinguished, it means that the HDCP function is disabled, if the LED is
blinking, it means that the HDCP processing is error.
▪STA0 indicator: Specified for the connection status between IAA-22 and computer.
Once the connection is successfully and the PC tool is enabled, the LED will bright.
▪STA1 indicator: Specified for the firmware upgrade. If the LED is blinking, it means
that the firmware is upgrading. After finishing firmware upgrade, the LED is
extinguished.

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5.2 Rear Panel
Figure 5-2: IAA-22 Rear Panel
IAA-22 supports up to 2 output jacks on the rear panel, each female terminal separately
form the output jacks. IAA-22 terminal channels numbered as output HDMI1/2 are for
signals output. The input interface with “INPUT HDMI1/2”jack supplies you to connect
to different equipment including CD/DVD player, Blu-ray player, PS3 and so on.
▪Power port: The Power Port is applicable for DC/12V connected to the outlet of power
source. Refer to 6.5 Power Connection .
▪HDMI Out (OUTPUT HDMI1/2) jack: This is connected to the A/V, HDTVs, Projectors
and so on.
▪HDMI In (INPUT HDMI1/2) jack: This is connected to the CD/DVD player, Blu-ray
player, PS3, Video Camera, STB and so on.
▪USB jack: This is connected to the computer.
▪Output Audio: This is connected to the speaker.

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5.3 Connectors
5.3.1 HDMI
Figure 5-3: HDMI Connector
HDMI Type A Connector host assignment:
Pin #
Signal
Pin #
Signal
1
TMDS Data 2+
11
TMDS Clock Shield
2
TMDS Data 2 Shield
12
TMDS Clock -
3
TMDS Data 2-
13
NC
4
TMDS Data 1+
14
NC
5
TMDS Data 1 Shield
15
DDC SCL
6
TMDS Data 1-
16
DDC SDA
7
TMDS Data 0+
17
DDC/CEC Ground
8
TMDS Data 0 Shield
18
+5V Power
9
TMDS Data 0-
19
Hot Plug Detect
10
TMDS Clock+
5.3.2 Micro USB
Figure 5-4: Micro USB Connector
Micro USB Connector host assignment:
Pin #
Signal
Pin #
Signal
1
VCC
4
ID
2
Data -
5
GND
3
Data +
6
SHELL

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CHAPTER 6 CONNECTIONS
Before making the connections, make sure all devices are powered off. Refer to the
connections illustrated as below and also to the device’s manual.
Figure 6-1: IAA-22 Connections
6.1 Input Connection
Use the HDMI connecting cable to connect the Input serial jack (INPUT HDMI1/2) to the
HDMI jack of the Blu-ray/DVD player/graphics workstations/PC.
Figure 6-2: Input Connection-HDMI

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6.2 Output Connection
Use the HDMI cable to connect the output HDMI1/2 jacks on the rear panel to the remote
input jack of the projector, video recorder, display, HD TV or multiplexer directly.
Figure 6-3: Output Connection-HDMI
6.3 Micro USB Connection
The IAA-22 provides Micro USB communication ports. Use Micro USB cable to connect
the computer to set up crescent walls.
Figure 6-4: Micro USB Connection

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6.4 Audio Output Connection
Use the male to male audio cable to connect the speaker.
Figure 6-5: Audio Output Connection
6.5 Power Connection
Use the included 12V DC adaptor to connect the power port located on the rear panel of
IAA-22 to the outlet.
Figure 6-6: Power Connection

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CHAPTER 7 TROUBLESHOOTING
1. After the power plugged in, there is no screen display?
Answer:
1) Please confirm the power cord is indeed inserted.
2) Please confirmed the Source and Sink are really connected.
3) If you have plugged three times and still no screen display, please return your device
to local supplier or factory.
2. The IN or OUT indicator LED of the front panel does not light?
Answer: Please confirm the Source and Sink are connected properly, if you continuous
plug HDMI cable and the indicator LED still does not light, please return your
device to local supplier or factory.
3. The “No found FTDI device!!!”message has been displayed while opening the
AVLINK Graphics Tool?
Answer:
1) Please unplug the USB cable and turn off theAVLINK Graphics Tool.
2) Wait a second later and connect the device to PC with the USB cable again.
3) Wait five seconds later, open the AVLINK Graphics Tool, if the error message still
exists, please return your device to local supplier or factory
4. After inserting the speaker into theAudio SPDIF hole, there is no sound output?
Answer: Please confirm the Source is indeed connected, if there is still no sound output,
please return your device to local supplier or factory.
5. When the HDCP function is on, there is no screen displayed?
Answer: It indicates that there is an abnormality in the HDCP function. Please reset the
power or turn the HDCP function off and then turn HDCP function on again, if
you still get the same issue, please return your device to local supplier or
factory.