
4K HDMI Extender Set, 4K2K/60Hz
Manual
DS-55204
The Digitus 4K Extender Set, 4K2K/60Hz offers an extender solution of up to 60 m for
the highest demands - both for high-resolution graphics and for absolutely smooth
video playback. It transmits digital 4K2K/60Hz video and audio signals to a maximum
length of up to 30 m. 4K2K/30Hz content can be transmitted to up to 60 m. It also
supports UTP/STP CAT 6, 6a as well as 7 network cables (as per IEEE-568B standard).
It consists of a transmitter as well as a receiver unit. It also includes two infrared
units (transmitter, receiver) which enable the use of the remote control of the
connected input source.

Important Safety Instructions:
1. Do not mix up HDMI to RJ45 sender and RJ45 to HDMI receiver before
installation.
2. Do not hot plug when it is working.
3. Use DC5V power supply only. Make sure specification matched if using adapters
not supplied by factory.
Features
1. Support HDMI2.0, compatible with HDCP2.2
2. Highest resolution support 4Kx2K@60Hz
3. Transmission over single CAT 6/6A/7
4. Support IR pass back function (IR range support 20~60KHz)
5. Support distance up to 60m when 4K@30Hz, and 30m when 4K@60Hz
6. Plug and play
7. Metal casing, stable and durable
Package Contents
1x 4K HDMI Extender transmitter unit
1x 4K HDMI Extender receiver unit
2x Power Supply Unit: DC 5V/1A
1x IR transmitter unit
1x IR receiver unit
1x Instruction manual
Transmitter unit ×1pcs Receiver unit ×1pcs DC5V/1A ×2pcs
User manual ×1pcs IR blaster extension cable
×1pcs
IR receiver extension cable
×1pcs

Specification
Item Description
Model DS-55204
Function
Product type HDMI2.0 Extender over CAT 6
Feature
HDMI2.0 extender over CAT 6, 30m
with 4K@60Hz, 60m with 4K @30Hz,
zero latency
HDMI
performance and
Interface
Max transfer rate 18Gbps
Color Depth 12bit
HDMI version HDMI2.0
HDCP version HDCP2.2
Supported video resolution
480i@60Hz, 480p@60Hz, 576i@50Hz,
576p@50Hz, 720p@50/60Hz,
1080i@50/60Hz, 1080p@50/60Hz,
4Kx2K@24/25/30/60Hz
Supported audio formats LPCM
Connector RJ45
Latency zero latency
Input and Output TMDS
signal
0.5~1.5Vp-p(TMDS)
Input and Output DDC
signal
5Vp-p(TTL)
PSU Adapter
Voltage DC5V/1A
Power
consumption
TX<2.5W
RX<3W
Protection level ESD protection
1a (contact discharge) level 3
1b (air-gap discharge) level 3
International Standard IEC61000-4-2
Operating
environment
Operating temperature (0°C ~ 50°C) 32°F ~ 122°F
Storage temperature (-20°C ~ 60°C) -4°F ~ 140°F
Relative humidity 0 ~ 90% RH (Non-condensing)
Body properties
Dimension 77.49×56.15×22.66mm
Material
Aluminum Alloy material + crystal
panel

Weight
TX: 80g
RX: 80g
Colour black
MTBF (Meantime between
failures) >30000Hours
Accessory:
5V1A power adapter x 2
IR sender x 1
IR receiver x 1
User manual x 1
Installation Requirements
1. HDMI source device (computer graphics card, DVD, PS3,) HD monitoring like
camera etc.
2. HDMI display device like SDTV, HDTV, and projector with HDMI port.
3. CAT 6/CAT 6A/CAT 7 cable. Follow standard IEEE-568B.
(To comply with CE regulation. It is suggested to use shielding network cable to
avoid interference)
Interfaces
1. Transmitter unit (TX)
①
Reset button Press for restarting the unit
②
RJ45 signal output Output encoded HDMI signal
③
Power indicator LED indicator turn on when power on
④
DC5V input Connect with the power supply
⑤
HDMI signal input Connect with the source device
⑥
IR signal output Connect with IR blaster extension cable

2. Receiver unit (RX)
①
Reset button Press for restarting the unit
②
RJ45 signal input Input encoded HDMI signal
③
Power indicator LED indicator turn on when power on
④
DC5V input Connect with the display supply
⑤
HDMI signal output Connect with the display device
⑥
IR signal input Connect with IR receiver extension cable
Installation Procedures
1. How to make a CAT 6 network
cable?
Follow the standard of IEEE-568B:
1-Orange/white
2-Orange
3-Green/white
4-Blue
5-Blue/white
6-Green
7-Brown/white
8-Brown

2. Connection
3. Connection instruction
Connect source device to Transmitter unit (TX), and display device to
Receiver unit (RX) via HDMI cables.
Connect Transmitter unit (TX) and Receiver unit (RX) via network cables
(CAT 6, CAT 6A or CAT 7).
Connect power supplies, this HDMI extender works
4. IR User Guide
IR blaster extension cable should plug in the IR OUT port of TX (Sender) of
HDMI extender, and the IR receiver extension cable should plug in the IR
IN port of the video wall controller.
The emitter of IR blaster should as close as possible to the IR receiver
window of the signal source device.
Using the IR remote controller of the signal source device towards the IR
receiver (connected to the Video wall controller), to remote control source
media playback.
HDMI EXTENDER TX HDMI EXTENDER RX
CAT6/6A/Cable
HDMI OUT
HDMI display
DVD

FAQ
Q: There is no output on screen when all connections are correct?
A:
1. Please check and make sure the display/monitor supports the HDMI signal
which fed out from the source device.
2. Please make sure the HDMI cables supports 4K×2K if the output signal from
the source device is 4K×2K resolution.
3. Please check and make sure the network cable insert to the RJ45 port well.
4. Restart the transmitter or receiver by pressing the reset button.
Q: Black screen happened on the display/monitor?
A:
1 Please check and make sure the length of the network cable within the usable
range:
CAT 6 within 60m@4K×2K@30Hz,
CAT 6 within 30m@4K×2K@60Hz
2 Reset the transmitter unit for re-built the connection
Q: The color becomes abnormity, or there is no audio output?
A:
Reset the transmitter unit for re-built the connection
Herby Assmann Electronic GmbH, declares that the Declaration of Conformity is part of the
shipping content.
If the Declaration of Conformity is missing, you can request it by post under the below
mentioned manufacturer address.
www.assmann.com
Assmann Electronic GmbH
Auf dem Schüffel 3
58513 Lüdenscheid
Germany