ALFAtron ALF-SUK2 User manual

ALF-SUK2 HDMI 2.0 1x2 Splitter with Audio
De-embedded

ALF-SUK2
Preface
Read this user manual carefully before using the product. Pictures shown in this
manual are for reference only. Different models and specifications are subject to real
product.
This manual is only for operation instruction, please contact the local distributor for
maintenance assistance. The functions described in this version were updated till
March, 2020. In the constant effort to improve the product, we reserve the right to make
function or parameter changes without notice or obligation. Please refer to the dealers
for the latest details.
FCC Statement
This equipment generates, uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause harmful interference
to radio communications. It has been tested and found to comply with the limits for a
Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed
to provide reasonable protection against harmful interference in a commercial
installation.
Operation of this equipment in a residential area is likely to cause interference, in which
case the user at their own expense will be required to take whatever measures may be
necessary to correct the interference.
Any changes or modifications not expressly approved by the manufacture would void
the user’s authority to operate the equipment.

ALF-SUK2
SAFETY PRECAUTIONS
To ensure the best performance from the product, please read all instructions carefully
before using the device. Save this manual for further reference.
Unpack the equipment carefully and save the original box and packing material for
possible future shipment.
Follow basic safety precautions to reduce the risk of fire, electrical shock and injury
to persons.
Do not dismantle the housing or modify the module. It may result in electrical shock
or burn.
Using supplies or parts not meeting the products’ specifications may cause
damage, deterioration or malfunction.
Refer all servicing to qualified service personnel.
To prevent fire or shock hazard, do not expose the unit to rain, moisture or install
this product near water.
Do not put any heavy items on the extension cable in case of extrusion.
Do not remove the housing of the device as opening or removing housing may
expose you to dangerous voltage or other hazards.
Install the device in a place with ventilation to avoid damage caused by overheating.
Keep the module away from liquids.
Spillage onto the housing may result in fire, electrical shock, or equipment damage.
If an object or liquid falls or spills on to the housing, unplug the module immediately.
Do not twist or forcefully pull ends of the optical cable. It may cause a malfunction.
Do not use liquid or aerosol cleaners to clean this unit. Always unplug the power to
the device before cleaning.
Unplug the power cord when left unused for a long period of time.
Information on disposal for scrapped devices: do not burn or mix with general
household waste, please treat as normal electrical waste.

ALF-SUK2
Table of Contents
1. Product Introduction....................................................................................................1
1.1 Features ............................................................................................................1
1.2 Packing List .......................................................................................................2
2. Technical Specification................................................................................................3
3. Panel Description........................................................................................................5
3.1 Front Panel........................................................................................................5
3.2 Rear Panel.........................................................................................................5
3.3 Usage Precaution ..............................................................................................6
3.4 System Diagram ................................................................................................6
4. DIP Switch Operation..................................................................................................7
4.1 EDID Management ............................................................................................7
4.2 HDCP Mode ......................................................................................................8
4.3 Downscale .........................................................................................................8
5. Firmware Upgrade ......................................................................................................9
6. Panel Drawing ..........................................................................................................12
7. Troubleshooting & Maintenance ...............................................................................13
8. After-sales Service....................................................................................................14

ALF-SUK2
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1. Product Introduction
The ALF-SUK2 is an HDMI 2.0 splitter with one HDMI input and two HDMI outputs, for
high dynamic range (HDR) formats.
It is HDCP 2.3 compliant, supports 4K / UHD video @ 60 Hz with 4:4:4 chroma
sampling, as well as HDMI data rates up to 18 Gbps.
This splitter includes de-embedded audio, scaling, EDID management, and front panel
LED indicators for power and signal status.
1.1 Features
4K / UHD capability @ 60 Hz with 4:4:4 chroma sampling
Compatible with 4K HDR10 and Dolby® Vision™ @ 60 Hz, HLG (Hybrid Log-
Gamma).
HDCP 2.3, and is backwards compatible
Smart EDID management via 5 pin DIP switcher, with the source through a display’s
EDID or internally stored EDID
De-embedded audio: 1 x balanced, 1 x Optical, 1 x RCA
Automatically downscaling from 4k to 1080p for legacy displays
Device can be updated in the field via USB port

ALF-SUK2
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1.2 Packing List
1x ALF-SUK2
1x Power Adapter (5V DC 2A)
4x Plastic Cushions
2 x Mounting ears with 4 screws
1 x 5 Pins phoenix terminal
1x User Manual
Note:Please contact your distributor immediately should any damage or defect in the
components be found.

ALF-SUK2
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2. Technical Specification
Video
I/O One HDMI in, two HDMI out
Connector Type-A female HDMI
HDMI Resolution Up to 4Kx2K@60Hz 4:4:4 8bit
HDMI Standard 2.0
HDR Formats 420, 422, 444 (10 and 12 Deep Colour)
HDR10, HDR10+, DOLBY VIDION, HLG
Deep Colour Up to 16 Bit (1080), up to 12 Bit (4K)
HDCP Version 2.3, 2.2, 1.4 compliant
CEC Supported
Audio
HDMI Audio
PCM 2.0 CH, LPCM5.1, LPCM 7.1, Dolby Digital, DTS 5.1, Dolby®
TrueHD, Dolby Digital® Plus, and DTS-HD® Master Audio™, DTS-
X, Dolby Atmos.
COAX
PCM 2.0 CH, LPCM5.1, LPCM 7.1, Dolby Digital, DTS 5.1, Dolby®
TrueHD, Dolby Digital® Plus, and DTS-HD® Master Audio™, DTS-
X, Dolby Atmos.
Analog (Balanced) PCM 2.0 CH
Analog ( on RCA) PCM 2.0 CH
Control
Control Part (1) EDID 5-pin DIP switch, (1) Micro-USB port
General
Bandwidth 18Gbps
HDMI 2.0 Cable Length
4K@60Hz 4:4:4 ≤ 5m, 4K@60Hz 4:2:0 ≤ 15m,
1080P ≤ 20m
Operation Temperature -10℃~ +55℃
Storage Temperature -25℃~ +70℃
Relative Humility 10%-90%
Power Supply Input:100V~240V AC; Output: 5V DC 1A

ALF-SUK2
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Power Consumption 2W (Max)
Dimension (W*H*D) 120 mm x 21mm x 75mm
Net Weight g
Note: Please use a high-quality HDMI cable fully compliant with HDMI 2.0 for reliable
transmission and connection.

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3. Panel Description
3.1 Front Panel
No.
Name & Description
Remark
1
Power LED indicator
The LED illuminates RED when it is powered on.
2
HDMI input LED indicator
The LED illuminates GREEN when the input is connected
3 HDMI output LED indicator The LED illuminates GREEN when the output is connected
4
5 DIP EDID switch
Each switch has 2 settings, 0 & 1 ( UP=0, DOWN=1)
5
HDMI outputs
Two HDMI output ports
6 USB For firmware update service
3.2 Rear Panel
No.
Name & Description
Remark
1
HDMI input
HDMI input port
2
Balanced audio output
5 pins phoenix connector
3
COAX audio output
Digital de-embedded audio at SPDIF connector
4
RCA audio output
Analog de-embedded audio at RCA connector
5 Power connector Connect to 5V 2A power supply

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System Connection
3.3 Usage Precaution
Ensure all components and accessories are included before installation.
System should be installed in a clean environment with proper temperature and
humidity.
All of the power switches, plugs, sockets, and power cords should be insulated and
safe.
All devices should be connected before power on.
3.4 System Diagram
The following diagram illustrates the typical input and output connection of the splitter: