J-Tech Digital JTD-185 Manuale utente

JTD-185 | JTECH-14EX50

1x4 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. 
 
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. ....................................................................................... 1
2. Features............................................................................................... 1
3. Package Contents. ............................................................................ 1
4. Specifications. .................................................................................... 2
5. Operation Controls and Functions. ................................................... 3
5.1 Transmitter..................................................................................... 3
5.2 CAT Receiver. ............................................................................... 5
5.3 IR Pin Definition.............................................................................. 6
6. EDID Mode. ......................................................................................... 7
7. ASCII Commands. .............................................................................. 8
8. Application Example. ........................................................................ 11 

-1-

1. Introduction

The JTECH-14EX50 HDMI 1x4 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. 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.

2. 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

•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)

3. 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

-2-

4. 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

LPCM | Dolby Digital/Plus/EX | Dolby True HD | DTS |

DTS-EX | DTS-96/24 | DTS HighRes | DTS-HD

Master Audio | DSD

Coaxial Audio Formats

LPCM 2.0 | LPCM 5.1 | Dolby Digital 2/5.1CH

Analog Audio Formats

PCM 2.0CH

ESD Protection

Human body model—±8kV (Air-gap discharge) &

±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)

-3-

1/5

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)

Power Consumption

14W

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)

5. Operation Controls and Functions

5.1 Transmitter Panel

Front Panel

No.

Name

Function Description

POWER Switch

Press this switch to power on/off the device

POWER LED

When the device is powered on, the LED will

illuminate red

IN LED

When the HDMI IN port connects to an active

source device, the LED will illuminate green

LOOP LED

When the HDMI LOOP OUT port connects to

an active display, the LED will illuminate green

OUT LED

(1~4)

When the CAT OUTPUT port connects to the CAT

IN port of CAT receiver, the corresponding LED will

illuminate green

-4-

1/5

Rear Panel

No.

Name

Function Description

AUDIO OUT

(COAX, L/R)

Coaxial/analog audio output port; connect to

amplifier or speaker

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

CAT OUTPUT

Port (1~4)

Connect to the CAT IN port of the CAT receiver with

a CAT cable.

Link Signal

Indicator LED

(Green)

Illuminating: Transmitter and receiverareconnected

Dark: Transmitter and receiver are notconnected

Data Signal

Indicator LED

(Orange)

Illuminating: HDMI signal with HDCP

Flashing: HDMI signal without HDCP

Dark: No HDMI signal

IR OUT

Connect the IR Blaster cable to transmit IR signal

from the CAT receiver

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

EDID DIP

Switch

Used to set EDID mode. Please refer to Section

“6. EDID Mode” for details.

SERVICE Port

Used for firmware update or serial port command

control

-5-

5.2 CAT Receiver

No.

Name

Function Description

HDMI OUT

HDMI output port; connect to HDMI display with an

HDMI cable

CAT IN

Connect to the CAT OUTPUT port on the transmitter

with a CAT cable

Power Indicator

LED (Green)

When the receiver is powered on, the LED will

illuminate green

Data signal

Indicator LED

(Orange)

▪Illuminating: HDMI signal with HDCP

▪Flashing: HDMI signal without HDCP

▪Dark: No HDMI signal

SERVICE port

Used for firmware update

IR IN

Connect to the IR Receiver cable; the IR signal will

send to the IR OUT port of the transmitter

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)

-6-

5.3 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.

-7-

6. 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

-8-

7. 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 thedevice

z=0~1 (z=0 power off, z=1

poweron)

s power 1!

Power on

System Initializing...

Initialization Finished!

FW versionx.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-SPB14D60

r status!

Get device current status

r status!

Get the unit all status:

power,

in/out connection,

edid mode

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=0~4(0=all, 1~4=CAT 1~4)

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

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