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4K HDMI Extender via CAT/IP
(Receiver Unit)
Manual
DS-55123
Introduction
This is a HDMI receiver unit for the Digitus® HDMI over IP Extender
(DS-55122). It also fits to them Digitus® 4K HDMI Extender Splitter, 1x8
(DS-55304) also. The Extender (DS-55122) extends the HDMI signal up to
120 meters via Cat 6 network cable, supports 4K2K/30Hz resolution, with
IR pass back function.
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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. Make sure good ventilation openings to avoid product overheating
damage.
6. Shut off power and make sure environment is safe before installation.
7. Do not plug-in/out the network cables and IR cables when it is in
using to avoid cables damage.
rd
8. Use DC5V only. Make sure the specification matched if using 3
party
DC adapters.
Package Contents
HDMI EXTENDER
receiver Rx x1pcs
DC5V/2A x1pcs
User Manual x1pcs IR receiver extension
IR IN
cable*1pcs
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Specification
Items Specifications
HDMI Signal HDMI1.4, compatible with HDCP1.4
transport protocol HDbitT
Support resolutions 480i@60Hz, 480p@60Hz, 576i@50Hz, 576p@50Hz,
720p@50/60Hz, 1080i@50/60Hz, 1080p@50/60Hz,
4Kx2K@24/25/30Hz
Network Cable UTP/STP Cat5/5e/6
Transmission distance Up to 120 meters transmission distance for 1080p 60Hz
Full HD over single CAT6
IR signal Supports 20~60KHz IR devices
Working Temperature 0°C~60°C
Power Supply DC5V/2A
Power Consumption RX: 4W
Dimensions 107.3(W)x94(D)x23.7(H)mm*2pcs
Weight RX: 167g
Color Black
Installation Requirements
1. HDMI source device
2. HDMI display device with HDMI port.
3. Network cables: CAT 5/5E/6 network cables
4. Transmission length: CAT 5 - 80m/CAT 5E - 100m/CAT 6 - 120m
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Panel Description
1. HDMI EXTENDER RX (Receiver)
① HDMI signal output
② IR signal input to connect with IR
receiver extension cable
③ Reset
④ Power Light
⑤ Power input (DC5V)
⑥ Data transmission light
⑦ Network link light
⑧ HDbitT signal input
Installation
2. Connections
2.1. Point to Point connection:
Up to 120 meters transmission distance over single CAT6
(High quality cable can reach up to 150 meters).
DVD HDMI IN
HDMI EXTENDER
TX (Sender)
CAT5/5E/6
Cable
HDMI EXTENDER
RX (Receiver)
HDMI OUT
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2.2. Network Switch/Router Connection:
By using network switch/router/repeater, realize unlimited extension.
DVD
HDMI IN
CAT5/5E/6 Cable
HDMI EXTENDER
TX (Sender)
TV
HDMI OUT
HDMI EXTENDER
RX (Receiver)
Switch*N Switch
2.3. One-to-many Connection:
By using network switch/router, one ender to several receivers (up to
253 receiver units)
DVD
HDMI OUT
HDMI IN
HDMI EXTENDER
TX (Sender)
CAT5/5E/6 Cable
CAT5/5E/6 Cable
Switch
HDMI EXTENDER
RX (Receiver)
HDMI EXTENDER
RX (Receiver)
HDMI EXTENDER
RX (Receiver)
TV
HDMI OUT
TV
HDMI OUT
TV
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2.4. 1x8 Extender Splitter Connection (only for DS-55304)
DVD
HDMI EXTENDER TX (Sender)
HDMI EXTENDER
RX (Receiver)
Cable
TV TV TV TV
TV TV TV TV
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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: 1) Please check if there is a HDMI signal input of TX.
2) 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 HDMI 1.4
Q: Display not fluent, not stable?
A: 1) 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.
2) Click the “reset” button on the TX/RX front panel, reset and
reconnect.
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
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