Digitus DS-55124 User manual

4K HDMI Extender Set over IP/CAT
User Manual
DS-55124 • DS-55125 (RX unit) Rev. 2

Important Safety notice
Please read below safety instructions carefully before installation and
operation:
1. Please pay attention to all the warnings and hints on this device
2. Do not expose this unit to rain, moisture and liquid
3. Do not put any stuff into the device
4. Do not repair or open this device without professional people’s
guidance
5. Shut off power and make sure environment is safe before installation
Do not plug-in/out the network cables and IR cables when it is in using
to avoid cables damage
6. Please note that our extender supports 5V power supply also, but the
5-Volt power port is alternative. Please do not connect PoE power
supply and 5V power supply at the same time, choose each one would
work
Introduction
HDMI over IP extender, takes the advantages of the latest transmission
technology, extends your HDMI video/audio with the resolution of 4Kx2K
30Hz up to 120m (394 feet) via single network cable. Supports IR signal
transmission, to control media playback of the signal source device at the
display location. Supports PoE.

Package Contents
HDMI EXTENDER
sender TX x1pcs
HDMI EXTENDER
receiver RX x1pcs
User Manual x1pcs
IR OUT
IR IN
IR blaster extension
cable*1pcs
IR receiver extension
cable*1pcs
Installation Requirements
1. HDMI source device (computer graphics card, DVD, PS3, HD
monitoring equipment etc.).
2. HDMI display device like SDTV, HDTV, and projector with HDMI port.
3. Network cables: CAT 5/5e/6 network cables
4. Transmission length: CAT5 80m/CAT5E 100m/CAT6 120m
5. PoE powered device:
Support and compliant with IEEE802.3af international standard
switcher and other PoE power supply devices. The maximal wattage
of the transmitter or receiver is 10w only.

Panel Description
1. HDMI EXTENDER TX (Sender)
①Reset
②HDMI signal input
③IR signal output to connect
with blaster extension cable
④Power Light
⑤Power input (DC5V)
⑥Data transmission light
⑦Network link light
⑧HDbitT signal output (PoE Input)
2. HDMI EXTENDER RX (Receiver)
①Reset
②HDMI signal output
③IR signal input to connect with
IR receiver extension cable
④Power Light
⑤Power input (DC5V)
⑥Data transmission light
⑦Network link light
⑧HDbitT signal input (PoE Input)

Installation Procedures
1. Connections
1.1. Point to Point connection: Up to 120 meters transmission distance
over single CAT6 (High quality cable can reach 150 meters)
1.2. Router Connection: By using network router/repeater, realize
unlimited extension.
DVD
HDMI IN
HDMI EXTENDER
TX (Sender)
PoE Switch
CAT5/5E/6
Cable
HDMI EXTENDER
RX (Receiver)
HDMI OUT
TV
DVD
HDMI IN
CAT5/5E/6
Cable
PoE Switch
PoE Switch*N
HDMI EXTENDER
TX (Sender)
HDMI EXTENDER
RX (Receiver)
TV
HDMI OUT

1.3. One-to-many Connection: By using network router/switch, one
sender to several receivers, realize extender & splitter function.
DVD
HDMI
IN CAT5/5E/6
Cable
PoE Switch
HDMI EXTENDER
TX (Sender)
HDMI EXTENDER
RX (Receiver)
HDMI OUT
CAT5/5E/6
Cable
HDMI EXTENDER
RX (Receiver)
HDMI OUT
HDMI OUT
HDMI EXTENDER
RX (Receiver)
TV
TV
TV

Specification
Product type
4Kx2K HDMI over IP
CAT5/5e/6 Extender with PoE
feature
Up to 120m, support one to many, 4K@30Hz
Max transmission rate
10.2Gbps
Color Depth
8bit
Supported video resolution
480i@60Hz, 480p@60Hz, 576i@50Hz, 576p@50Hz,
720p@50/60Hz, 1080i@50/60Hz, 1080p@50/60Hz,
4K×2K@24/25/30Hz
Supported audio formats
LPCM
HDMI connector
Type A, Female, 19-pin
RJ45 Connector
RJ45
Latency
<220ms
Input and Output
TMDS signal
0.7~1.2Vp-p (TMDS)
Input and Output
DDC signal
5Vp-p (TTL)
Adapter
PoE input
Support IEEE802.3af (Input power 10W)
Voltage
DC5V/2A (Power adapter not included)
Power
consumption
TX<6W, RX<5W
ESD protection
1a (contact discharge) level 3
1b (air-gap discharge) level 3
International Standard: IEC61000-4-2
Operating temperature
(0°C ~ 60°C) 32°F ~ 140°F
Storage temperature
(-10°C ~ 70°C) -14°F ~ 94°F
Relative humidity
0 ~ 90% RH (Non-condensing)
Dimension
119(L) x 94(W) x 23.8(H) mm
Material
Metal housing
Weight
TX: 275g, RX: 275g
Color
black
FAQ
Q:
TV display “Waiting for connection” on the right corner?
A:
Please check if the power supply of TX (Sender) and switcher (if

used) is connected, and make sure connecting cable is firmly.
Q:
TV display “Please check the TX input signal”?
A
:
Please check if there is a HDMI signal input of TX
Try to connect the
signal source directly to display device to see if
there is signal output from source device or change the signal
source, HDMI wire and try again
Q:
When playing 4Kx2K source, screen is back without any content?
A:
Make sure both TV and HDMI cable support HDMI1.4.
Q:
Display not fluent, not stable?
A
:
Please check the cable length between the TX to switch, the switch
to the RX and the connection between each level is within the
required range.
Click the
"Reset" button on the TX/RX front panel, reset and
reconnect.
Disclaimer
The product name and brand name may be registered trademark of related
manufacturers.TM and ® may be omitted on the user manual. The pictures on the user
manual are just for reference, and there may be some slight difference with the real
products. We reserve the rights to make changes without further notice to a product
or system described herein to improve reliability, function or design.
This is a Class A product. In home environment, this product may cause radio interference.
In this case, the user may be required to take appropriate measures.
Hereby 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