Digitus DS-55122 User manual

4K HDMI Extender via CAT/IP (Set)
Manual
DS-55122 Rev. 2
Introduction
This HDMI Signal Extender extends your HDMI video/audio signal with of
resolution of 4K2K/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.

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.
8. Use DC5V only. Make sure the specification matched if using 3rd party
DC adapters.
Package Contents
HDMI EXTENDER
sender TX x1pcs
HDMI EXTENDER
receiver Rx x1pcs
User Manual x1pcs
IR OUT IR IN
DC5V/2A x2pcs
IR blaster extension
cable*1pcs
IR receiver extension
cable*1pcs

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
TX: 5W; RX: 4W
Dimensions
107.3(W)x94(D)x23.7(H)mm*2pcs
Weight
TX: 170g
RX: 167g
Color
Black
Installation Requirements
1. HDMI source device
2. HDMI display device l with HDMI port.
3. Network cables:
CAT 5/5E/6 network cables
Transmission length:
CAT 5 - 80m/CAT 5E - 100m/CAT 6 - 120m

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

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

2.3 One-to-many Connection:
By using network switch/router, one sender to several receivers (up 253
receiver units)
DVD
HDMI
IN
TV
TV
TV
HDMI OUT
HDMI OUT
HDMI OUT
CAT5/5E/6
Cable
CAT5/5E/6 Cable
HDMI EXTENDER
TX (Sender)
Switch
HDMI EXTENDER
RX (Receiver)
HDMI EXTENDER
RX (Receiver)
HDMI EXTENDER
RX (Receiver)

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