Covid EHB-340 User manual

18Gbps HDBaseT 3.0 Extender (70m)
with USB2.0
EHB-340 | VER 1.1

Thank you for purchasing this product
For optimum performance and safety, please read these instructions carefully
before connecting, operating or adjusting this product. Please keep this manual
for future reference.
Surge protection device recommended
This product contains sensitive electrical components that may be damaged
by electrical spikes, surges, electric shock, lighting strikes, etc. Use of surge
protection systems is highly recommended in order to protect and extend the
life of your equipment.
Table of Contents
1. Introduction............................................................................................
2. Features..................................................................................................
3. Package Contents................................................................................
4. Specifications........................................................................................
5. Operation Controls and Functions......................................................
5.1 Transmitter Panel.............................................................................
5.2 Receiver Panel................................................................................
6. IR Pin Definition......................................................................................
7. Application Example............................................................................
1
1
2
2
4
4
6
7
8

1. Introduction
2. Features
☆HDMI 2.0b and HDCP 2.2 compliant
☆Support 18Gbps video bandwidth
☆Support video resolution up to 4K2K@60Hz (YUV 4:4:4)
☆HDR, HDR10, HDR10+, Dolby Vision LLM and HLG pass through
☆LPCM, Dolby Digital/Plus/EX, Dolby True HD, DTS, DTS-EX, DTS-96/24,
DTS High Res, DTS-HD Master Audio, DSD pass through
☆Transmission distance up to 230ft/70m (4K30/1080P) or 132ft/40m (4K60)
via a single CAT6/6A cable
☆Support bi-directional POC (Power over Cable), when TX or RX gets power,
the other end does not need an external power supply
☆Support 3.5mm analog audio de-embedding at TX and RX
☆EDID management
☆Support bi-directional RS-232 signal pass-through, bi-directional IR signal
control, USB2.0 signal transmission
☆Compact design for easy and flexible installation
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This 18Gbps HDBaseT 3.0 Extender can extend uncompressed HDMI signals,
RS-232, bi-directional IR, and USB2.0 signals up to 230ft/70m (4K30/1080P) or
131ft /40m (4K60) via a single CAT6/6A cable. Video resolution is up to
4K2K@60Hz YUV 4:4:4. The Transmitter supports HDMI input and audio
de-embedding. The Receiver supports HDMI output and audio de-embedding.
The Extender supports bi-directional RS-232 and IR signal pass-through, EDID
management, USB2.0 signal transmission and bi-directional POCfunction.
The Extender offers the most convenient solution for HDMI extension via a
single CAT cable with long distance capability, and it is the perfect solution for
home/commercial application.

3. Package Contents
4. Specifications
Technical
HDCP Compliance HDCP 2.2
Video Bandwidth 18Gbps
Video Resolution Up to 4K@60Hz
Color Space RGB, YCbCr 4:4:4, YCbCr 4:2:2, YCbCr 4:2:0
Color Depth 8/10/12-bit
Audio Formats
LPCM, Dolby Digital/Plus/EX, Dolby True HD, DTS, DTS-EX,
DTS-96/24, DTS High Res, DTS-HD Master Audio, DSD
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HDMI Compliance HDMI 2.0b
HDR HDR, HDR10, HDR10+, Dolby Vision, HLG
4K60 / 40m; 4K30 / 70m; 1080P / 70m (CAT6/6A cable)
Transmission
Distance
12Vp-p
IR Level
1 × HDBaseT 3.0 Extender (Transmitter)
1 × HDBaseT 3.0 Extender (Receiver)
1 × IR Blaster Cable (1.5 meters)
1 × IR Receiver Cable (1.5 meters)
2 × 3pin-3.81mm Phoenix Connectors (Male)
4 × Mounting Ears
8 × Machine Screws (KM3*4)
1 × 24V/1A Locking Power Adapter
1 × User Manual

Power Supply Input: AC 100 - 240V 50/60Hz
Output: DC 24V/1A (US/EU standard, CE/FCC/UL certified)
Operating
Temperature
14.28W (POC)
Storage Temperature
32 - 104°F / 0 - 40°C
Relative Humidity
-4 - 140°F / -20 - 60°C
Power Consumption
20 - 90% RH (no condensation)
Dimensions
Black
Color
Transmitter / Receiver:
144mm [W] x 78mm [D] x 23mm [H]
Metal EnclosureHousing
Weight Transmitter: 323g, Receiver: 319g
Receiver
Input: 1 × HDBaseT IN [RJ45, 8-pin female]
Outputs: 1 × HDMI OUT [Type A, 19-pin female]
1 × L/R OUT [3.5mm Stereo Mini-jack]
Controls: 1 × IR IN [3.5mm Stereo Mini-jack]
1 × IR OUT [3.5mm Stereo Mini-jack]
1 × RS-232 [3pin-3.81mm Phoenix jack]
1 × SERVICE [Micro USB, 5-pin female]
2 × USB DEVICES [USB Type A]
Mechanical
Connection
Transmitter
Input: 1 × HDMI IN [Type A, 19-pin female]
Outputs: 1 × HDBaseT OUT [RJ45 connector]
1 × L/R OUT [3.5mm Stereo Mini-jack]
Controls: 1 × IR IN [3.5mm Stereo Mini-jack]
1 × IR OUT [3.5mm Stereo Mini-jack]
1 × RS-232 [3pin-3.81mm Phoenix jack]
1 × SERVICE [Micro USB, 5-pin female]
1 × USB HOST [USB Type B]
2 × USB DEVICES [USB Type A]
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5. Operation Controls and Functions
5.1 Transmitter Panel
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Name Function Description
Power LED Red LED indicates that the Transmitter is powered on.
LINK LED
n poor connection
status or connected tothe same device
.
No.
1
2
3
4
SERVICE Firmware update port.
IR IN
IR OUT
IR signal input port, connected to IR Receiver cable.
IR signal output port, connected to IR Blaster cable.
6
5EDID DIP
switch
Used for EDID setting:
00- Copy display’s EDID (as factory default)
01- 4K30 4:4:4
10- 1080p60 4:4:4
11- 1200p60 4:4:4
RS-232L/R OUTUSB HOSTHDMI INHDBaseT OUT DC 24V
TX RX
11 13 14 1510 1278 9
SERVICE
LINK
IR IN IR OUT
EDID
TX
1 2 3 4 5 6
POC
ON OFF
16

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USB
DEVICES Two USB device ports, connected to U disk, mouse or keyboard.
7
8
11
12
USB HOST USB extension host port, connected to PC.
DC 24V
13
14
15
DC 24V/1A power supply input port.
Note that the extender supports POCfunction, it means that either
transmitter or receiver is powered on by 24V/1A power adapter, the other one
doesn’t need power supply.
HDBaseT
OUT
HDBaseT output port, connected tothe HDBaseTIN port of
Receiver with a CAT6/6A cable. It is used for various signals
pass-through.
10
Link Signal
Indicator
(Green) or connected tothe same device.
HDMI IN HDMI signal input port, connected to signal source device.
9
Data Signal
Indicator
(Yellow)
RS-232 RS-232 serial port, used for serial port command transmission.
16 POC switch Use the switch to turn on/off POC function.
L/R OUT Analog audio output port, used for audio de-embedding output.

8
Link Signal
Indicator
(Green) or connected tothe same device.
7
Data Signal
Indicator
(Yellow)
10
5.2 Receiver Panel
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Name Function Description
Power LED Red LED indicates that the Receiver is powered on.
LINK LED
IR IN
IR OUT
in poor connection
status or connected tothe same device
.
HDBaseT
IN
HDBaseT input port, connected tothe HDBaseT OUT port of Transmitter
with a CAT6/6A cable. It is used for various signals pass-through.
IR signal input port, connected to IR Receiver cable.
IR signal output port, connected to IR Blaster cable.
No.
1
2
3
4
5
6
9
USB
DEVICES Two USB device ports, connected to U disk, mouse or keyboard.
SERVICE Firmware update port.
HDMI OUT HDMI signal output port, connected to HDMI display device.
SERVICE
LINK
IR IN IR OUT RX
RS-232L/R OUTHDMI OUTHDBaseT IN DC 24V
TX RX
123 4 5
11 12 13
9
67 8 10
POC
ON OFF
14

L/R OUT Analog audio output port, used for audio de-embedding output.
DC 24V
11
DC 24V/1A power supply input port.
Note that the extender supports POC function, it means that either
transmitter or receiver is powered on by 24V/1A power adapter, the other one
doesn’t need power supply.
Name Function Description
POC switch Use the switch to turn on/off POC function.
No.
12
13
14
RS-232 RS-232 serial port, used for serial port command transmission.
6. IR Pin Definition
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Note: When the angle between the IR receiver and the remote control is ± 45 °, the
transmission distance is 0-5 meters; when the angle between the IR receiver and the
remote control is ± 90 °, the transmission distance is 0-8 meters.
IR Receiver and Blaster pin’s definition as below:

7. Application Example
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The terms HDMI and HDMI High-Definition Multimedia interface, and the HDMI Logo
are trademarks or registered trademarks of HDMI Licensing LLC in the United States
and other countries.
Transmitter
Receiver
PC1
Power Supply
CAT6/6A cable
Keyboard
IR Receiver IR Blaster
IR Receiver IR Blaster
PC2TV
SERVICE
LINK
IR INIR OUT
EDID
TX
RS-232L/R OUTUSB HOSTHDMI INHDBaseT OUTDC 24V
TX RX
SERVICE
LINK
IR IN IR OUT RX
RS-232L/R OUTHDMI OUTHDBaseT INDC 24V
TX RX
DVD or Blu-ray Player HDMI Matrix with
RS-232 function
LAN
LAN
Mouse
Speakers
Speakers