J-Tech Digital JTD-185 User manual

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

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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 : 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 : 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)
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

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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)

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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
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

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1/5
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 (1~4)
Connect to the CAT IN port of the CAT receiver with
a CAT cable.
4
Link Signal
Indicator LED
(Green)
Illuminating: Transmitter and receiverareconnected
Dark: Transmitter and receiver are notconnected
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

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5.2 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)

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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.

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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

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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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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

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Command Code
Function Description
Example
Feedback
Default Setting
EDID Setting
Set input EDID from default
EDID z, z=1~26
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
input EDID:1080p,
12 , 4K2K30_444,HD Audio 7.1
Stereo Audio 2.0
s edid in from z!
13 , 4K2K60_420,
Stereo Audio 2.0
14 , 4K2K60_420,
s edid in from 1!
1080p,Stereo
Audio 2.0
Dolby/DTS 5.1
15 , 4K2K60_420,HD Audio 7.1
Please toggle EDID
16 , 4K2K60_444,
dip switch to 00000!
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
r edid in!
Get EDID status of the input
r edid in!
input EDID:4K2K60_
444,Stereo Audio2.0
r edid in data!
Get the EDID data of the hdmi
input
r edid in data!
EDID data : 00 FF FF
FF FF FF FF 00 ……

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8. Application Example
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.

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