4KSP18-L
4K HDMI Splitter 1x8
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.
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 ©2016 AV Access Technology Limited All rights reserved.
Trademarks Notice
All products or service names mentioned in this document may be
trademarks of the companies with which they are associated.
Contact Us
Business inquiry: services@avaccess.com
Technical problems: support@avaccess.com
Important Safety Instructions
Do not expose this device to rain, moisture, dripping or splashing,
No objects filled 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 confined 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 device (including amplifiers) that
produce heat.
Do not place sources of naked flames, 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 specified by the manufacturer.
Refer all servicing to qualified service personnel.
Overview
Table of Contents
Overview .................................................................................................................. 2
Package Contents ...................................................................................................................... 3
Panel ............................................................................................................................................... 4
Installation Instructions ......................................................................................... 6
EDID Management .................................................................................................. 7
Upgrade Guide ........................................................................................................ 8
Preparation .................................................................................................................................. 8
RS232 Update .............................................................................................................................. 9
Troubleshooting ................................................................................................... 17
Specification ......................................................................................................... 18
Warranty ............................................................................................................... 20
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Overview
Overview
4KSP18-L is a 1x8 slim splitter for HDMI with Ultra HD 4K support. It
reliably distributes one HDMI source signal up to eight HDMI displays.
The HDCP compliant splitter supports resolutions up to 4K@30Hz and
1080p@60Hz.
This splitter features two advanced technologies: EDID management,
which provides three EDID options for different resolutions output,
and HDCP management, which authenticates HDCP encryption
between all devices, ensuring the HDMI source reliably outputs
correct content for display.
It is ideal for applications, such as offices, schools, conferences rooms,
shopping malls, hotels or museums, which require the distribution of
an HDMI source signal to multiple displays.
Ultra-slim design and space saving
Input: One female HDMI type-A connector
Output: Eight female HDMI type-A connectors
Supports HDMI 1.4a and HDCP
Supports HD resolutions up to 4K@30Hz
Supports signal transmission distance up to 33 feet (10 meters) at
4K when used with standard HDMI cables
Reshapes marginal or noisy HDMI signals, ensuring a strong,
stable digital signal
Supports EDID management, which provides multiple EDID
options for various resolutions output and ensures that the HDMI
source reliably outputs correct content for display
Provides RS232 port for updating firmware
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Overview
Package Contents
Before you start the installation of the product, please check the
package contents:
1 x Splitter 4KSP18-L
1 x Power Supply (DC 12V 1A)
2 x Mounting Ear
1 x Phoenix Connector (3.5mm, 3Pin)
1 x User Manual
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Overview
Panel
Top Panel
1
2 3
ID
Name
Description
1 Power LED
ON: The splitter is on.
OFF: The splitter is off.
2 INPUT LED
ON: Both source device and display device are
connected.
OFF: Only source is connected but no display
device, or no source device is connected.
3
OUTPUT
LED 1~8
ON: The correspondingly numbered output 1~8 is
connected to a display device.
OFF: No display device is connected.
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Overview
Front Panel
1 2
3
ID
Name
Description
1 Power Connector Connects to a DC 12 V 1A power adapter
2 INPUT Port Connects to an HDMI source device
3 OUTPUT Port 1~8 Connects up to eight HDMI display devices
Rear Panel
1 2
ID
Name
Description
1 RS232 Update firmware
2 EDID DIP Switch Adjusts EDID settings
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Installation Instructions
Installation Instructions
1. Connect an HDMI source device (such as a Blu-Ray, games
console, media server etc.) to the input port of the splitter using
quality HDMI cables.
2. Connect up to eight HDMI display devices (LED/LCD display or
projector) to the output ports of the splitter.
3. Connect the power adapter to the splitter and power on all
devices.
DVD
HDMI
TV
HDMI
TV
HDMITVHDMITVHDMITVHDMI
TV
HDMITVHDMITVHDMI
Note:
When connecting an amplifier, power off the splitter first, then connect
to the amplifier and power on the splitter again. In addition, the splitter
audio output doesn't support Hot Swap. After you Hot Swap, reboot
the splitter to enable audio output.
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EDID Management
EDID Management
The splitter features EDID management, which provides three EDID
options for different resolutions output and ensures that the HDMI
source reliably outputs correct content for display.
The following table lists the EDID information built in the splitter. You
can toggle the switch to a certain position to read EDID from a specific
output or to directly use the EDID information.
Position
Description
COPY (Default)
Copy EDID by turn from output 1 to 8 and output
the first one
Note: If EDID copy failed, it will use 1080p.2ch as
EDID for input
1080p Use 1080p, stereo
4K2K Use 4K2K, stereo
Note: After you change the EDID, repower the splitter for the changes
to take effect.
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Upgrade Guide
Upgrade Guide
Preparation
Hardware
4KSP18-L x 1
PC x 1
USB-to-UART cable x 1
ST-LINK V2 Update Tool x 1
Software
Hex file
ST-LINK/V2 driver program: st-link_v2_usbdriver.exe
ST MCU update tool: ST Visual Programmer
ST MCU UART update tool: Flash Loader Demo
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Upgrade Guide
RS232 Update
Part 1. Install Flash Loader Demo on PC
Note: It supports Microsoft Windows XP, Windows Vista, Windows
7 and Windows 10. Take Windows XP as an example:
Step 1. Double click the setup file.
Step 2. Click Next.
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Upgrade Guide
Step 3. Click Yes.
Step 4. Click Next.
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Upgrade Guide
Step 5. Click Next, it starts to install.
Step 6. Click Finish.
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Upgrade Guide
Part 2. Hardware Connection
Connect the PC to the splitter by USB-to-UART cable.
Part 3. Update
Step 1. Double click Flash Loader Demo.
Step 2. Configure the splitter as shown in the following figure, power
on the splitter and then click Next immediately.
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Upgrade Guide
Step 3. The following page comes up.
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Upgrade Guide
Step 4. Choose STM8_32K from the drop down list, and then click
Next.
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Upgrade Guide
Step 5. Choose Download to device, browse for the .hex or .S19 file,
choose Global Eras, click Next.
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Upgrade Guide
Step 6. Download successful, as shown in the following figure.
Step 7. Click on Close button to close the window.
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Troubleshooting
Troubleshooting
1. The display device connected to the splitter shows no picture.
Check that all the devices are on and working properly.
Check that all the cables are qualified and connected properly.
Check that the display device works properly and that the source
device has normal signals output.
Check that EDID DIP switch is in the right position.
Make sure that the display device supports HDCP.
Check the length of HDMI cable.
Check that no compatibility issues exist between the splitter and
display device. If so, replace the display device with other models.
2. The display device connected to the splitter displays snow or
mosaic.
Check that all the cables are qualified and connected properly.
Make sure that the display device supports HDCP.
Check that the input sources have no problems.
Check that no compatibility issues exist between the splitter and
display device. If so, replace the display device with other models.
3. No audio output when working with an amplifier.
Please reboot the splitter.
The splitter audio output doesn't support Hot Swap. After you Hot
Swap, reboot the splitter to enable audio output.
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Specification
Specification
Technical
Input/ Output 1 x HDMI IN, 8 x HDMI OUT
Input/ Output Signal
Type
HDMI 1.4a, 3D, DVI 1.0, HDCP 1.4
Input/ Output Resolution
Support
4096 x 2160@24Hz, 3840 x 2160@30Hz,
1920x1080@30/60Hz, 1280x720@60Hz,
720x576@30/60Hz, 640x480@30/60Hz
Maximum Data Rate 10.2 Gpbs
Maximum Pixel Clock 340 MHz
Input Video Signal 0.5~1.2 V p-p
Input DDC Signal 5 V
Video Impedance 100 Ω
Control Method RS232
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Specification
General
Operating Temperature 0°C to 45°C (32°F to 113 °F)
Storage Temperature -20°C to70°C (-4°F to 158 °F)
Humidity 10% to 90%, non-condensing
Power Supply DC 12 V 1 A
Power Consumption 1080p: 3.5 W, 4K: 5 W
ESD Protection
Human-body Model:
±8kV(Air-gap discharge)/
±4kV(Contact discharge)
Device Dimensions
222 mm × 16 mm × 103 mm/
8.74" x 0.63" x 4.01"
Product Weight 0.56kg
Certification CE, FCC, RoHS
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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 products 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, fire, 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.
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AV Access Technology Limited
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