FOURKAY 8K HDMI and USB Over HDBaseT Extender User Manual

: June 16, 2024
: FOURKAY

Table of Contents

FOURKAY 8K HDMI and USB Over HDBaseT Extender
Product Information
Product Usage Instructions
Introduction
Features
Package Contents
Specifications
Operation Controls and Functions
Receiver Panel
Application Example
Read User Manual Online (PDF format)
Download This Manual (PDF format)

FOURKAY 8K HDMI and USB Over HDBaseT Extender

FOURKAY-8K-HDMI-and-USB-Over-HDBaseT-Extender-product-
image

Product Information

Specification

HDMI Compliance : HDMI 2.1
HDCP Compliance : HDCP 2.3
Video Bandwidth : Up to 40Gbps FRL and 18Gbps TMDS
Video Resolution : Up to 8K@30 4:4:4 10bit, 4K@120Hz 4:4:4 10bit
USB Bandwidth : Up to 350Mbps
HDR: HDR, HDR10, HDR10+, Dolby Vision, HLG
Color Space : RGB 4:4:4, YCbCr 4:4:4 / 4:2:2, YCbCr 4:2:0
Color Depth : 8/10/12-bit
Audio Formats : HDMI – PCM2.0, LPCM5.1, LPCM7.1, Dolby Digital, Dolby Digital Plus, Dolby TrueHD, Dolby Atmos, DTS Surround, DTS-HD Master Audio; Analog – PCM 2.0 48K
IR Level : 5Vp-p/12Vp-p
IR Bandwidth : 20K – 60KHz
Transmission Distance : MAX – CAT 6: 60m/197ft, CAT 6A/7: 90m/295ft

Features

HDMI 2.1, HDCP 2.3 and HDBaseT 3.0 compliant
Support up to 40Gbps FRL and 18Gbps TMDS video bandwidth
Video resolution is up to 8K@30 4:4:4 10bit, 4K@120Hz 4:4:4 10bit
Support all industry standard video resolutions including VGA-WUXGA and 480i-8K30
VRR, FVA, ALLM support
HDR, HDR10, HDR10+, Dolby Vision and HLG pass-through
HDMI audio formats: Dolby Atmos, Dolby TrueHD, Dolby Digital Plus and DTS-HD Master Audio
Signal transmission distance can be extended up to 90m/295ft via a single CAT 6A/7 cable
Support eARC/ARC from RX to TX sound system
Advanced EDID management through EDID DIP switch
With CONFIG DIP switch, allowing the RS-232 serial port to feature different functions
Support USB2.0 transmission (with speeds up to 350Mbps), Host/Device is configurable
Bi-directional Ethernet (1Gb), analog audio, IR & RS-232 signal pass-through
HDMI re-clocking on the HDBaseTTM Receiver to help solve HDMI HDCP, compatibility and handshaking issues
Bi-directional 24V POC function

Package Contents

1 x HDBaseT Extender (Transmitter)
1 x HDBaseT Extender (Receiver)
1 x IR Blaster Cable (1.5 meters)
1 x IR Wideband Receiver Cable (1.5 meters)
2 x 3pin-3.81mm Phoenix Connectors
4 x Mounting Ears
8 x Machine Screws (KM3*4)
8 x Rubber Feet
1 x 24V/2.7A Locking Power Supply
1 x User Manual

Product Usage Instructions

Connection – Transmitter

Input: 1 x HDMI IN [Type A, 19-pin female]
Input: 1 x AUDIO IN [3.5mm Stereo Mini-jack]
Output: 1 x HDMI OUT [Type A, 19-pin female]
Output: 1 x HDBT OUT [RJ45, 8-pin female]
Output: 1 x AUDIO OUT [3.5mm Stereo Mini-jack]
Control: 1 x IR IN [3.5mm Stereo Mini-jack]
Control: 1 x IR OUT [3.5mm Stereo Mini-jack]
Control: 1 x RS-232 [3pin-3.81mm Phoenix jack]
Control: 1 x USB HOST [USB Type B]
Control: 3 x USB DEVICE [USB Type A]
Control: 1 x ETHERNET [RJ45]

Connection – Receiver

Input: 1 x HDMI IN [Type A, 19-pin female]
Input : 1 x HDBT IN [RJ45, 8-pin female]
Input : 1 x AUDIO IN [3.5mm Stereo Mini-jack]

FAQ

Q: Do I need a surge protection device for this product?
A: Yes, it is highly recommended to use a surge protection device to protect the sensitive electrical components of the product from electrical spikes, surges, electric shock, lighting strikes, etc.

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.

Introduction

This 8K HDMI & USB over HDBaseT Extender can extend uncompressed HD/UHD video and audio signals, eARC/ARC, RS-232, bi-directional IR, 1GbE Ethernet and USB2.0 signals up to 90m/295ft via a single CAT 6A/7 cable. Video resolution is up to 8K@30 4:4:4 10bit, 4K@120Hz 4:4:4 10bit, 4K60Hz 4:4:4. It supports eARC/ARC from RX’s HDMI output pass-through to TX’s HDMI input or de-embedding to TX’s HDMI output port. Besides, it supports USB 2.0 signal transmission (Host/Device is configurable) and bi-directional POC function.
The Extender offers the most convenient solution for HDMI extension via a single CAT cable with long distance capability, and is the perfect solution for home/commercial application.

Features

HDMI 2.1, HDCP 2.3 and HDBaseT 3.0 compliant
Support up to 40Gbps FRL and 18Gbps TMDS video bandwidth
Video resolution is up to 8K@30 4:4:4 10bit, 4K@120Hz 4:4:4 10bit
Support all industry standard video resolutions including VGA-WUXGA and 480i-8K30
VRR, FVA, ALLM support
HDR, HDR10, HDR10+, Dolby Vision and HLG pass-through
HDMI audio formats: Dolby Atmos, Dolby TrueHD, Dolby Digital Plus and DTS-HD Master Audio
Signal transmission distance can be extended up to 90m/295ft via a single CAT 6A/7 cable
Support eARC/ARC from RX to TX sound system
Advanced EDID management through EDID DIP switch
With CONFIG DIP switch, allowing the RS-232 serial port to feature different functions
Support USB2.0 transmission (with speeds up to 350Mbps), Host/Device is configurable
Bi-directional Ethernet (1Gb), analog audio, IR & RS-232 signal pass-through
HDMI re-clocking on the HDBaseT™ Receiver to help solve HDMI HDCP, compatibility and handshaking issues
Bi-directional 24V POC function

Package Contents

1 x HDBaseT Extender (Transmitter)
1 x HDBaseT Extender (Receiver)
1 x IR Blaster Cable (1.5 meters)
1 x IR Wideband Receiver Cable (1.5 meters)
2 x 3pin-3.81mm Phoenix Connectors
4 x Mounting Ears
8 x Machine Screws (KM3*4)
8 x Rubber Feet
1 x 24V/2.7A Locking Power Supply
1 x User Manual

Specifications

Technical

Dolby Digital, Dolby Digital plus, Dolby TrueHD, Dolby Atmos; DTS Surround, 96/24, ES, DTS Express, DTS-HD HRA, DTS HD Master, DTS:X
Analog: PCM 2.0 48K

IR Level| 5Vp-p/12Vp-p
IR Bandwidth| 20K – 60KHz
Transmission Distance| MAX : CAT 6 — 60m/197ft CAT 6A/7 — 90m/295ft
ESD Protection| Human body model — ±8kV (Air-gap discharge) & ±4kV (Contact discharge)
Connection

** Transmitter| Input** : 1 x HDMI IN [Type A, 19-pin female]

1 x AUDIO IN [3.5mm Stereo Mini-jack] Output: 1 x HDMI OUT [Type A, 19-pin female]
1 x HDBT OUT [RJ45, 8-pin female]
1 x AUDIO OUT [3.5mm Stereo Mini-jack] Control: 1 x IR IN [3.5mm Stereo Mini-jack]
1 x IR OUT [3.5mm Stereo Mini-jack]
1 x RS-232 [3pin-3.81mm Phoenix jack] 1 x USB HOST [USB Type B]
3 x USB DEVICE [USB Type A]
1 x ETHERNET [RJ45]

Receiver| Input : 1 x HDMI IN [Type A, 19-pin female] 1 x HDBT IN [RJ45, 8-pin female]

1 x AUDIO IN [3.5mm Stereo Mini-jack] Output: 1 x HDMI OUT [Type A, 19-pin female]
1 x AUDIO OUT [3.5mm Stereo Mini-jack] Control: 1 x IR IN [3.5mm Stereo Mini-jack]
1 x IR OUT [3.5mm Stereo Mini-jack]
1 x RS-232 [3pin-3.81mm Phoenix jack] 1 x USB HOST [USB Type B]
3 x USB DEVICE [USB Type A]
1 x ETHERNET [RJ45]

Input : AC 100 – 240V 50/60Hz
Outpu t: DC 24V/2.7A (US/EU standard, CE/FCC/UL certified)

Power Consumption|

Total power consumption: 20.4W (POC)
TX/RX full load: 9.36W/9.84W; TX/RX no-load: 2.46W/3.36W

Operation Controls and Functions

FOURKAY-8K-HDMI-and-USB-Over-HDBaseT-Extender-001

Transmitter Panel

No.	Name	Function Description
1	USB HOST	USB Host port, connected to PC.
2	USB DEVICE	Three USB extension ports, connected to U disk, mouse or

keyboard.
** 3| HOST/ DEVICE USB CONTROL switch| Switch to left (HOST), the USB HOST mode is enabled; Switch to right (DEVICE), the USB DEVICE mode is enabled.
_ Note** : If the transmitter is set to USB HOST mode, the receiver must be set to USB DEVICE mode._
4| Power LED|

Light on : The transmitter is powered on.
Light off : The transmitter is powered off.

**** 5| LINK LED|

Light on : Transmitter and receiver are in good connection status.
Light flashing : Transmitter and receiver are in poor connection status or connected to the same device.
Light off : Transmitter and receiver are not connected.

**** 6| IN LED| Video signal input indicator.

Light on : There is HDMI signal input.
Light off : There is no HDMI input or the system is powered off.

7| OUT LED| Video signal output indicator.

Light on : There is HDMI signal output.
Light off : There is no HDMI output or the system is powered off.

No.	Name	Function Description
**** 8	**** eARC LED & button	Press the eARC button to enable/disable the

eARC/ARC function, and the eARC LED will indicate the status as following.

Light on : The eARC/ARC mode is enabled, and the device is working normally.
Light flashing : The eARC/ARC mode is enabled, but the device is working abnormally.
Light off : The eARC/ARC mode is disabled.

9| DC 24V| DC 24V/2.7A power supply input port.
Note that the extender supports POC function, it means that either transmitter or receiver is powered on by 24V/2.7A power adapter, the other one doesn’t need power supply.
10| ETHERNET port & indicators| Ethernet port with adaptive broadband rate. For example, if the transmitter is connected to a PC with a 100M rate, and the receiver is connected to a Gigabit router, the device can automatically switch the 100M rate of the transmitter to Gigabit rate. (Note: If the connected device only supports 100M rate, the extender cannot switch to Gigabit rate.)

Ethernet Indicators

Light in green : the Ethernet rate is 1000 Mbit/s.
Light in yellow : the Ethernet rate is 100 Mbit/s.

RS-232 signal pass-through
Control & FW upgrade
VS3000 FW upgrade
Dubug

14| HDBT OUT port| HDBaseT Network port, connected to the HDBT IN port of the receiver with a CAT 6A/7 cable. It is used for various signals pass-through.
**** 15| Data Signal Indicator (Yellow)|

Light on : HDMI signal with HDCP.
Light flashing : HDMI signal without HDCP.
Light off : No HDMI signal.

**** 16| Link Signal Indicator (Green)|

Light on : Transmitter and receiver are in good connection status.
Light flashing : Transmitter and receiver are in poor connection status or connected to the same device.
Light off : Transmitter and receiver are not connected.

No.	Name	Function Description

1

| eARC/HDMI IN port| This port features two functions

HDMI signal input port, connected to HDMI source device;
eARC/ARC audio port, connected to eARC/ARC amplifier.

18| HDMI OUT port| HDMI video signal output port. It can loop out the local video signal or output the video signal returned from the receiver.
19| AUDIO IN port| Analog audio input port. The audio from this port can be output through the AUDIO OUT port of the receiver.
20| AUDIO OUT port| Analog audio output port. It can output the audio from the AUDIO IN port of the receiver.
21| EDID DIP switch| The DIP switch is used for EDID setting. (Set to 000 by default.) [DIP]=000: Copy RX HDMI OUT port sink EDID

( Note : If there is no TV connected to the receiver, it will copy the EDID of the local loopout video.)

[DIP]=001: HDMI 1080p@60Hz, Audio 2ch PCM [DIP]=010: HDMI 4K@60Hz 4:4:4, Audio 2ch PCM
[DIP]=011: HDMI 4K@60Hz 4:4:4, Audio 5.1ch PCM/DTS/DOLBY [DIP]=100: HDMI 4K@60Hz 4:4:4, Audio 7.1ch PCM/DTS/
DOLBY/HD
[DIP]=101 : HDMI 8K@30Hz 4:4:4+4K@120Hz 4:4:4, Audio 2ch PCM
[DIP]=110 : HDMI 8K@30Hz 4:4:4+4K@120Hz 4:4:4, Audio 5.1ch PCM/DTS/DOLBY
[DIP]=111 : HDMI 8K@30Hz 4:4:4+4K@120Hz 4:4:4, Audio 7.1ch PCM/DTS/DOLBY/HD

22| CONFIG DIP switch| The DIP switch is used to set IR level and serial port access.

DIP SW1=0 : The IR level is set to 12V.
DIP SW1=1 : The IR level is set to 5V.
DIP SW2/SW3=00 : The RS-232 port is used for RS-232 signal pass-through.
DIP SW2/SW3=01 : The RS-232 port is used for Control & FW upgrade.
DIP SW2/SW3=10 : The RS-232 port is used for VS3000 FW upgrade.
DIP SW2/SW3=11 : The RS-232 port is used for debugging.

Receiver Panel

FOURKAY-8K-HDMI-and-USB-Over-HDBaseT-Extender-image-02

No.	Name	Function Description
1	USB HOST	USB Host port, connected to PC.
2	USB DEVICE	Three USB extension ports, connected to U disk, mouse or

keyboard.
** 3| HOST/ DEVICE USB CONTROL
switch| Switch to left (HOST), the USB HOST mode is enabled; Switch to right (DEVICE), the USB DEVICE mode is enabled.
_ Note** : If the transmitter is set to USB HOST mode, the receiver must be set to USB DEVICE mode._
4| Power LED|

Light on : The receiver is powered on.
Light off : The receiver is powered off.

5| LINK LED|

Light on : Transmitter and receiver are in good connection status.
Light flashing : Transmitter and receiver are in in poor connection status or connected to the same device.
Light off : Transmitter and receiver are not connected.

6| IN LED| Video signal input indicator.

Light on : There is HDMI signal input.
Light off : There is no HDMI input or the system is powered off.

7| OUT LED| Video signal output indicator.

Light on : There is HDMI signal output.
Light off : There is no HDMI output or the system is powered off.

No.	Name	Function Description
**** 8	**** eARC LED & button	Press the eARC button to enable/disable the

eARC/ARC function, and the eARC LED will indicate the status as following.

Light on : The eARC/ARC mode is enabled, and the device is working normally.
Light flashing : The eARC/ARC mode is enabled, but the device is working abnormally.
Light off : The eARC/ARC mode is disabled.

9| DC 24V| DC 24V/2.7A power supply input port.
Note that the extender supports POC function, it means that either transmitter or receiver is powered on by 24V/2.7A power adapter, the other one doesn’t need power supply.
10| ETHERNET port & indicators| Ethernet port with adaptive broadband rate. For example, if the transmitter is connected to a PC with a 100M rate, and the receiver is connected to a Gigabit router, the device can automatically switch the 100M rate of the transmitter to Gigabit rate. _( Note : If the connected device only supports 100M rate, the extender cannot switch to Gigabit rate.)
_Ethernet Indicators

Light in green: the Ethernet rate is 1000 Mbit/s.
Light in yellow: the Ethernet rate is 100 Mbit/s.

RS-232 signal pass-through
Control & FW upgrade
VS3000 FW upgrade
Dubug

14

| HDBT IN port| HDBaseT Network port, connected to the HDBT OUT port of the transmitter with a CAT 6A/7 cable. It is used for various signals pass- through.

15

| Data Signal Indicator (Yellow)|

Light on : HDMI signal with HDCP.
Light flashing : HDMI signal without HDCP.
Light off : No HDMI signal.

16

| Link Signal Indicator (Green)|

Light on : Transmitter and receiver are in good connection status.
Light flashing : Transmitter and receiver are in poor connection status or connected to the same device.
Light off : Transmitter and receiver are not connected.

No.	Name	Function Description
**** 17	**** HDMI IN port	HDMI signal input port, connected to HDMI source

device. It can transmit video with resolution of 1080P 24Hz in reverse to the HDMI OUT port of the transmitter.
Note : It is a reserved port, being closed by default. Before using this port, you need to turn on it through command control, and make sure that the eARC function is disabled.
18| eARC/HDMI OUT port| This port features two functions

HDMI signal output port, connected to HDMI display device;
eARC/ARC audio port, connected to TV with eARC/ARC function.

19| AUDIO IN port| Analog audio input port. The audio from this port can be output through the AUDIO OUT port of the transmitter.
20| AUDIO OUT port| Analog audio output port. It can output the audio from the AUDIO IN port of the transmitter.
21| CONFIG DIP switch| The DIP switch is used to set IR level and serial port access. DIP SW1=0: The IR level is set to 12V.

DIP SW1=1 : The IR level is set to 5V.
DIP SW2/SW3=00 : The RS-232 port is used for RS-232 signal pass-through.
DIP SW2/SW3=01 : The RS-232 port is used for Control & FW upgrade.
DIP SW2/SW3=10 : The RS-232 port is used for VS3000 FW upgrade.
DIP SW2/SW3=11 : The RS-232 port is used for dubuging.

USB Mode Applications
The Extender supports USB2.0 transmission, and Host/Device is configurable.
Mode 1: USB forward from TX to RX
Switch the HOST/DEVICE USB CONTROL switch to left, then power off and reboot the transmitter to set to USB Host mode. Meanwhile, switch the HOST/ DEVICE USB CONTROL switch to right, then power off and reboot the receiver to set to USB Device mode.

FOURKAY-8K-HDMI-and-USB-Over-HDBaseT-Extender-image-03

Mode 2 : USB reverse from RX to TX
Switch the HOST/DEVICE USB CONTROL switch to right, then power off and reboot the transmitter to set to USB Device mode. Meanwhile, switch the HOST/DEVICE USB CONTROL switch to left, then power off and reboot the receiver to set to USB Host mode.

FOURKAY-8K-HDMI-and-USB-Over-HDBaseT-Extender-image-04

IR Pin Definition
IR Receiver and Blaster pin’s definition as below

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.

Application Example

FOURKAY-8K-HDMI-and-USB-Over-HDBaseT-Extender-image-06

Mode 1 : eARC/ARC Application
The Audio Return Channel (ARC) in HDMI 2.1 enables a TV, via a single HDMI cable or audio cable, to send audio data “upstream” to an A/V receiver, the extender will continue the upstream audio all the way to the transmitter. There it can be connected via HDMI ARC.

Note : Please press the eARC buttons on the front panel of the transmitter and receiver to enable the eARC/ARC function before operating the system.

Mode 2 : Ordinary Connection Application

FOURKAY-8K-HDMI-and-USB-Over-HDBaseT-Extender-image-07

Note : Please press the eARC buttons on the front panel of the transmitter and receiver to disable the eARC/ARC function before operating the system.

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