J-TECH DIGITAL JTD-185 1×4 HDMI 2.0 Splitter Extender Over Cat User Manual

: June 5, 2024
: J-TECH DIGITAL

Table of Contents

J-TECH DIGITAL JTD-185 1×4 HDMI 2.0 Splitter Extender Over Cat
Introduction
Features
Package Contents
Specifications
Operation Controls and Functions
EDID Mode
ASCII Commands
Application Example
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J-TECH DIGITAL JTD-185 1×4 HDMI 2.0 Splitter Extender Over Cat

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.

A 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-14EX50 HDMI 1×4 Splitter can distribute 1 HDMI source signal to up to 4 display devices simultaneously. The splitter extender supports resolutions up to 4K@60Hz 4:4:4. The JTECH-14EX50 features 1 HDMI loop output and 4 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-14EX50 Splitter Transmitter
(4) × JTECH-14EX50 CAT Receiver
(1) × IR Blaster Cable (1.5 meters)
(4) × IR Receiver Cable (1.5 meters | 20KHz – 60KHz)(1) × 12V/2.5A DC Locking Power Adapter
(1) × User Manual

Specifications

Technical

HDMI Compliance| HDMI 2.0b
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

Master Audio | DSD

±4kV (Contact discharge)

Connection
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: 8.27 in (W) × 3.94 in (D) × 0.98 in (H) Receiver: 3.46 in (W) × 2.40 in (D) × 0.71 in (H)
Weight| Transmitter: 1.36 Lbs. Receiver: 0.34 Lbs.
Power Supply| Input: AC100 – 240V 50/60Hz

Output: DC 12V/2.5A

(US/EU standards, CE/FCC/UL certified)

Operation Controls and Functions

Front panel

Transmitter Panel

Rear 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, the LED will illuminate green

5

| OUT LED (1~4)| When the CAT OUTPUT port connects to the CAT IN port of CAT receiver, the corresponding LED will illuminate green
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 (1~4)

| 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)

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

side panel

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 Definition

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	1080P, Stereo Audio 2.0
00100	1080P, Stereo Audio 2.0
00011	1080P, Stereo Audio 2.0
00010	1080P, Stereo Audio 2.0
00001	1080P, Stereo Audio 2.0
00000	PC control mode

ASCII Commands

The product also supports ASCII command control. Connect the SERVICE port of the product to a PC with an 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 status!

|

Get device current status

|

r status!

| Get the unit all status power,

in/out connection, edid mode

r link out y!

| Get the connection status of the y output port y=0~4(0=all, 1~4=CAT 1~4)|

r link out 1!

|

CAT OUT1: connect

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

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

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|

s edid in from 1!

| |

1080p,Stereo Audio 2.0

Dolby/DTS 5.1

|

input EDID:1080p,

12, 4K2K30_444,HD Audio 7.1| Stereo Audio 2.0
13, 4K2K60_420,

Stereo Audio 2.0 14, 4K2K60_420,

444,Stereo Audio 2.0

Application Example

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