J-Tech Digital JTD-190 1×8 HDMI 2.0 Splitter Extender Over CAT Cable
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
The JTECH-18EX50 HDMI 1×8 Splitter can distribute 1 HDMI source signal to up to 8 display devices simultaneously. The splitter extender supports resolutions up to 4K@60Hz 4:4:4. The JTECH-18EX50 features 1 HDMI loop output and 8 CAT outputs. It can extend the HDMI source signal up to 114 feet at the resolution of 4K@60Hz | 164 feet at 4K@30Hz | 196 feet at 1080P@60Hz via a single CAT6/6a/7 cable. The product supports one-way IR control signal pass-through, audio extraction and advanced EDID management.
Features
- HDMI 2.0, HDCP 2.2 / 1.x and DVI 1.0 compliant
- 18Gbps video bandwidth
- Supports video resolution up to 4K@60Hz 4:4:4
- Supports 3D | HDR | HDR10+ | HLG | Dolby Vision
- Supports up to 7.1CH HD audio pass-through
- Support digital and analog audio de-embedded output
- Transmission Distance: 114 feet (4K@60Hz) | 164 feet (4K@30Hz) |196 feet (1080P@60Hz)
- 1 HDMI local loop output and 8 CAT outputs
- IR control signal pass-through
- Advanced EDID management
- Supports POC (from transmitter to receiver)
Package Contents
- (1) × JTECH-18EX50 Splitter Transmitter
- (8) × JTECH-18EX50 CAT Receiver
- (1) × IR Blaster Cable (1.5 meters)
- (8) × IR Receiver Cable (1.5 meters | 20KHz – 60KHz)
- (1) × 12V/2.5A DC Locking Power Adapter
- (1) × User Manual
Specifications
| Technical | |
| HDMI Compliance | HDMI 2.0 |
| HDCP Compliance | HDCP 2.2/1.x |
| Video Bandwidth | 18 Gbps |
| Video Resolution | Up to 4K@60Hz 4:4:4 |
| Color Depth | 8-bit,10-bit,12-bit(1080p@60Hz) 8-bit (4K@60Hz YUV4:4:4) 8-bit,10-bit,12-bit (4K@60Hz YCbCr 4:2:2/4:2:0) |
| Color Space | RGB | YCbCr 4:4:4 / 4:2:2 | YUV 4:2:0 |
| HDR | HDR10 | HDR10+ | HLG | Dolby Vision |
| HDMI Audio Formats | LPCM | Dolby Digital/Plus/EX | Dolby True HD | DTS | DTS-EX | DTS-96/24 | DTS High Res | DTS-HD Master Audio | DSD |
| Coaxial Audio Formats | LPCM 2.0 | LPCM 5.1 | Dolby Digital 2/5.1CH |
| Analog Audio Formats | PCM 2.0 |
| ESD Protection | Human body model—±8kV (Air-gap discharge) & ±4kV (Contact discharge) |
| Interface | |
| Input | 1 x HDMI Type A (19-pin female) |
|
Output | 1 x HDMI Type A (19-pin female) 8 x CAT OUT (RJ45, 8-pin female) 1 x Coaxial Audio OUT (RCA) 1 x L/R Audio OUT (3.5mm Stereo Mini-jack) |
| Control | 1 x SERVICE (Micro USB, Update port） 1 x EDID DIP switch (5-pin) 1 x IR OUT (3.5mm Stereo Mini-jack) |
| Mechanical | |
| Housing | Metal Enclosure |
| Silkscreen Color | Black |
| Dimensions | Transmitter: 11.8 in (W) × 3.94 in (D) × 1.10 in (H) Receiver: 0.31 in (W) × 2.40 in (D) × 0.71 in (H) |
| Weight | Transmitter: 1.81 Lbs. | Receiver: 0.34 Lbs. (each) |
| Power Supply | Input: AC100 – 240V 50/60Hz Output: DC 12V/2.5A (US/EU standards | CE/FCC/UL certified) |
| Power Consumption | 25.44W |
| Operation Temperature | 32°F ~ 104°F | 0°C ~ 40°C |
| Storage Temperature | -4°F ~ 140°F | -20°C ~ 60°C |
| Relative Humidity | 20 ~ 90% RH (non-condensing) |
Operation Controls and Functions
Transmitter Panel
Front Panel 
| No. | Name | Function Description |
| 1 | POWER Switch | Press this switch to power on/off the device |
| 2 | POWER LED | When the device is powered on, the LED will illuminate red |
| 3 | IN LED | When the HDMI IN port connects to an active source device, the LED will illuminate green |
| 4 | LOOP LED | When the HDMI LOOP OUT port connects to an active display device, the LED will illuminate green |
| 5 | OUT LED (1~8) | When the CAT OUTPUT port connects to the CAT IN port of CAT receiver, the corresponding LED will illuminate green |
Rear Panel
| No. | Name | Function Description |
| 1 | AUDIO OUT (COAX, L/R) | Coaxial/analog audio output port; connect to amplifier or speaker |
|
2 |
HDMI Port | IN: HDMI input port; connect to HDMI source device with HDMI cable |
| LOOP OUT: HDMI loop output port; connect to HDMI display device with an HDMI cable | ||
| 3 | CAT OUTPUT Port (1~8) | Connect to the CAT IN port of the CAT receiver with a CAT cable |
| 4 | Link Signal Indicator LED (Green) | ▪ Illuminating: Transmitter and receiver are connected ▪ Dark: Transmitter and receiver are not connected |
| 5 | Data Signal Indicator LED (Orange) | ▪ Illuminating: HDMI signal with HDCP ▪ Flashing: HDMI signal without HDCP ▪ Dark: No HDMI signal |
| 6 | IR OUT | Connect the IR Blaster cable to transmit IR signal from the CAT receiver |
| 7 | DC 12V | Plug the DC 12V power supply into the unit and connect the adaptor to an AC outlet. (Note: The transmitter can power the receivers via CAT cable) |
Side Panel 
| No. | Name | Function Description |
| 1 | EDID DIP Switch | Used to set EDID mode. Please refer to Section “6. EDID Mode” for details |
| 2 | SERVICE Port | Used for firmware update or serial port command control |
CAT Receiver
| No. | Name | Function Description |
| 1 | HDMI OUT | HDMI output port; connect to HDMI display with an HDMI cable |
| 2 | CAT IN | Connect to the CAT OUTPUT port on the transmitter with a CAT cable |
| 3 | Power Indicator LED (Green) | When the receiver is powered on, the LED will illuminate green |
| 4 | Data Signal Indicator LED (Orange) | ▪ Illuminating: HDMI signal with HDCP ▪ Flashing: HDMI signal without HDCP ▪ Dark: No HDMI signal |
| 5 | SERVICE port | Used for firmware update |
| 6 | IR IN | Connect to the IR Receiver cable; the IR signal will send to the IR OUT port of the transmitter |
| 7 | DC 12V | Plug DC 12V/1A power supply into the unit and connect the adapter to an AC outlet. (Note: The CAT receiver also can be powered by the transmitter via PoC) |
IR Pin Out 
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.
EDID Mode
The defined EDID setting list of the product is shown as below:
| EDID Mode | EDID Description |
| 11111 | 1080P, Stereo Audio 2.0 |
| 11110 | 1080P, Dolby/DTS 5.1 |
| 11101 | 1080P, HD Audio 7.1 |
| 11100 | 1080I, Stereo Audio 2.0 |
| 11011 | 1080I, Dolby/DTS 5.1 |
| 11010 | 1080I, HD Audio 7.1 |
| 11001 | 1080P 3D, Stereo Audio 2.0 |
| 11000 | 1080P 3D, Dolby/DTS 5.1 |
| 10111 | 1080P 3D, HD Audio 7.1 |
| 10110 | 4K2K30Hz_444, Stereo Audio 2.0 |
| 10101 | 4K2K30Hz_444, Dolby/DTS 5.1 |
| 10100 | 4K2K30Hz_444, HD Audio 7.1 |
| 10011 | 4K2K60Hz_420, Stereo Audio 2.0 |
| 10010 | 4K2K60Hz_420, Dolby/DTS 5.1 |
| 10001 | 4K2K60Hz_420, HD Audio 7.1 |
| 10000 | 4K2K60Hz_444, Stereo Audio 2.0 |
| 01111 | 4K2K60Hz_444, Dolby/DTS 5.1 |
| 01110 | 4K2K60Hz_444, HD Audio 7.1 |
| 01101 | 4K2K60Hz_444, Stereo Audio 2.0 HDR |
| 01100 | 4K2K60Hz_444, Dolby/DTS 5.1 HDR |
| 01011 | 4K2K60Hz_444, HD Audio 7.1HDR |
| 01010 | COPY_FROM_LOOP OUT |
| 01001 | COPY_FROM_CAT OUT1 |
| 01000 | COPY_FROM_CAT OUT2 |
| 00111 | COPY_FROM_CAT OUT3 |
| 00110 | COPY_FROM_CAT OUT4 |
| 00101 | COPY_FROM_CAT OUT5 |
| 00100 | COPY_FROM_CAT OUT6 |
| 00011 | COPY_FROM_CAT OUT7 |
| 00010 | COPY_FROM_CAT OUT8 |
| 00001 | 1080P, Stereo Audio 2.0 |
| 00000 | PC control mode |
ASCII Commands
The JTECH-18EX50 also supports ASCII command control. Connect the SERVICE port of the product to a PC with a USB cable. Then, open a Serial Command tool on PC to send ASCII commands to control the product. The ASCII command list about the product is shown as below.
| ASCII Commands | ||||
| Serial Port Protocol – Baud Rate: 115200 | Data Bits: 8-bit | Stop Bits:1 | Check Bit: 0 | ||||
| x – Parameter 1 y – Parameter 2 ! – Delimiter | ||||
| Command Code | Function Description | Example | Feedback | Default Setting |
| Power | ||||
|
s power z! | Power on/off the device z=0~1 (z=0 power off, z=1 power on) |
s power 1! | Power on
System Initializing… Initialization Finished! FW version x.xx.xx |
power on |
| r power! | Get current power state | r power! | power on/power off | |
| s reboot! | Reboot the device | s reboot! | reboot | |
| System Setup | ||||
| help! | List all commands | help! | ||
| r type! | Get device model | r type! | HDC-SPB18D60 | |
| r status! | Get device current status | r status! | Obtain power status, in/out connection & EDID mode information | |
| r fw version! | Get firmware version | r fw version! | MCU BOOT: Vx.xx.xx MCU APP: Vx.xx.xx | |
| r link in! | Get the connection status of the input port | r link in! | HDMI IN: connect | |
| r link out y! | Get the connection status of the y output port y=0~8(0=all, 1~8=CAT 1~8) | r link out 1! | CAT OUT1: connect | |
| r link loop out y! | Get the connection status of the y loop output port | y=1 | r link loop out 1! | HDMI LOOP OUT: connect | |
|
s reset! |
Reset to factory defaults |
s reset! | Reset to factory defaults
System Initializing… Initialization Finished! FW version x.xx.xx | |
| Command Code | Function Description | Example | Feedback | Default Setting |
| Output Setting | ||||
| s hdmi stream z! | Set HDMI loop output stream on/off z=0~1(0:disable,1:enable) | s hdmi stream 1 ! | Enable HDMI loop out stream Disable HDMI loop out stream | enable |
|
s cat y stream z! |
Set cat output y stream on/off, y=0~8(0=all) z=0~1 (0:disable,1:enable) |
s cat 1 stream 1 !
s cat 0 stream 1 ! | Enable cat output 1 stream Disable cat output 1 stream Enable cat all outputs stream Disable cat all outputs stream |
enable |
| r hdmi stream! | Get HDMI loop out stream status | r hdmi stream! | Enable HDMI loop output stream | |
| r cat y stream! | Get cat output y stream status, y=0~8(0=all) | r cat 1 stream! | Enable cat output 1 stream | |
| s hdmi hdcp z! | set HDMI loop output port HDCP status | s hdmi hdcp 1! | HDMI loop out HDCP on | all hdmi out hdcp active |
| r hdmi hdcp! | Get HDCP status of loop out | r hdmi hdcp! | HDMI loop out HDCP on | |
| s cat y hdcp z! | set cat output y port HDCP status y=0~2(0=all) z=0~1 (1=on,0=off) | s cat 1 hdcp 1! | cat out 1 HDCP on | all cat out hdcp active |
| r cat y hdcp! | Get HDCP status of cat out y, y=0~2(0=all) | r cat 1 hdcp! | cat out 1 HDCP on | |
|
s cat y dsc mode z! | set cat output y port dsc mode status y=0~8(0=all) z=1~3 (1=Cat cable distance normal Mode, 2= Cat cable distance 35M Mode,3= Cat cable distance 70M Mode) |
s cat 1 dsc mode 2! |
cat out 1 dsc mode 2 | Cat cable distance 35M Mode(35M) |
| r cat y dsc mode! | Get dsc mode of cat out y, y=0~8(0=all) | r cat 1 dsc mode! | cat out 1 dsc mode 2 | |
| s audio mute 1! | set audio output port mute status (1-mute, 0-umute) | s audio mute 1! | s audio mute 1 | s audio unmute (0) |
| r audio mute! | Get audio output mute status | r audio mute! | audio mute 1 | |
| Command Code | Function Description | Example | Feedback | Default Setting |
| EDID Setting | ||||
|
s edid in from z! | Set input EDID from default EDID z, z=1~30 1, 1080p,Stereo Audio 2.0 2, 1080p,Dolby/DTS 5.1 3, 1080p,HD Audio 7.1 4, 1080i,Stereo Audio 2.0 5, 1080i,Dolby/DTS 5.1 6, 1080i,HD Audio 7.1 7, 3D,Stereo Audio 2.0 8, 3D,Dolby/DTS 5.1 9, 3D,HD Audio 7.1 10, 4K2K30_444, Stereo Audio 2.0 11, 4K2K30_444, Dolby/DTS 5.1 12, 4K2K30_444,HD Audio 7.1 13, 4K2K60_420, Stereo Audio 2.0 14, 4K2K60_420, Dolby/DTS 5.1 15, 4K2K60_420,HD Audio 7.1 16, 4K2K60_444, Stereo Audio 2.0 17, 4K2K60_444, Dolby/DTS 5.1 18, 4K2K60_444,HD Audio 7.1 19, 4K2K60_444, Stereo Audio 2.0 HDR 20, 4K2K60_444, Dolby/DTS 5.1 HDR 21, 4K2K60_444, HD Audio 7.1 HDR 22, copy from hdmi loop out 23, copy from cat output 1 24, copy from cat output 2 25, copy from cat output 3 26, copy from cat output 4 27, copy from cat output 5 28, copy from cat output 6 29, copy from cat output 7 30, copy from cat output 8 |
s edid in from 1! |
input EDID:1080p, |
1080p,Stereo Audio 2.0 |
| Stereo Audio 2.0 | ||||
|
Please toggle EDID | ||||
| dip switch to 00000! | ||||
| r edid in! | Get EDID status of the input | r edid in! | input EDID: 4K2K60_ 444,Stereo Audio 2.0 | |
| r edid in data! | Get EDID data of the HDMI input | r edid in data! | EDID data : 00 FF FF FF FF FF FF 00 …… | |
