J-TECH DIGITAL JTECH-4K88-EX2B HDMI Matrix Switch Extender User Manual

June 14, 2024
J-TECH DIGITAL

J TECH DIGITAL LOGO JTECH-4K88-EX2B HDMI Matrix Switch Extender
User Manual

JTECH-4K88-EX2B HDMI Matrix Switch Extender

J TECH DIGITAL JTECH 4K88-EX2B HDMI Matrix Switch
Extender J-Tech Digital®
HDMI 4K@60HZ 4:4:4 Matrix Extender
Model: JTECH-4K88-EX2B

Features

  • Incorporate HDBaseT technology
  • HDMI 2.0 version support 4K@60Hz YUV4:4:4, 18G, HDR10
  • Any one of the 8 HDMI Sources to any one of the 8 HDMI Displays
  • 8 outputs includes 7HDBaseT output and 1HDMI output
  • Transmit up to 70m under 1080p,40m under 4K@60Hz
  • HDCP 2.2/1.4 compliant
  •  With wide-band Bi-Direction IR routed control(38~56KHz)
  • Support 1x Analog Audio and 1x SPDIF Audio extraction output
  •  Support RS232 Pass Through
  • Support Panel Button with LCD, IR Routing, RS232, TCP/IP, PC Tool Control
  • Support USB updating
  • Support POC (Receiver powered by HDBaseT Matrix)
  • 1U rack design with mounting ears
  • AC 110V~220V/50HZ/60HZ input

Package Contents

  1. 1x Main Unit (HDBaseT Matrix) and 7x Receivers
  2. 1x Power Cable
  3. 1x Remote control
  4. 16xIR Transmitter cables, 16x Wide-Band IR Receiver cables
  5. 1x CD for control software & user manual

Specifications

Operating Temperature Range -5 to +40°C(23 to +104 °F)
Storage Temperature Range -10 to +60°C(-14 to +140 °F)
Operating Humidity Range 5 to 90 % RH (no condensation)
Input Video Signal 0.5-1.0 volts p-p
Input DDC Signal 5 volts p-p (TTL)
Bandwidth 18Gbit/s
Video Format Supported 4K@60Hz,YUV4:4:4

4k@30Hz/1080P/1080i/720P/576P/480P/576i/480i
HDCP Compliant| HDCP2.2 and HDCP1.4
Output Video| HDMI2.0 and HDMI 1.4 (over HDBaseT and HDMI)
Audio Format Supported| PCM, Dolby5.1, DTS5.1 digital audio
Maximum Transmission Distance| 1080P 70m, 4K 40m
Power Consumption| 100wtts (Max.)
Dimensions| L482 x W348 x H44 mm
Mass (Main Unit)| 4 KG

Panel Descriptions

J TECH DIGITAL JTECH 4K88-EX2B HDMI Matrix Switch Extender - Panel
Descriptions

① LCD: Showing Matrix information
② Input button OUT1~8
③ Output button IN1~8
④ Function button: DSP OFF; MENU; UP; DOWN; LOCK; ENTER
DSP OFF : Short press output N, then press DSP OFF to turn off the output.
Long press Output 8 to select all output, then press DSP OFF to turn off all the output.

J TECH DIGITAL JTECH 4K88-EX2B HDMI Matrix Switch Extender - Panel
Descriptions1

  1. AC 100-240V power port
  2.  IR in port x7 & IR EYE
  3. IR out port x8 & All out
  4. RS232; TCP/IP control port
  5.  FW USB port
  6. Audio output port ( 8-SPDIF & L R Analog)
  7. HDMI Input x8
  8. HDBaseT out x7 & HDMI out

J TECH DIGITAL JTECH 4K88-EX2B HDMI Matrix Switch Extender -
Operating

4.1 Input / output channel key operation

Channel Button method
Any Key The first operation of the button can wake up the screen
**** Input 1-8 Directly press the number key, such as input channel 1, and

select “1” to press (only when the output port is selected, the input channel number will be valid)
Output 1-8| Directly press the number key, such as the output channel 5, select the key “5” and press it again to cancel the selection; Long press output channel 8 to select all channels, and long press again to cancel
MENU| Function Button; Enter the function option or back to previous option
ENTER| Confirm Button: enter function selection mode
UP| Button for UP option
DOWN| Button for NEXT option
DSP OFF| Shut down the current selected output
LOCK| Long press lock (button built-in blue light on), Long press again to cancel lock (button built-in blue light off)

4.2 Video switching operation
4.2.1 Video switch
The signal switch includes 8 free switching channels, which can be configured as input/output according to the requirements, forming a matrix of 1 x 8 ~ 8 x 1, which can switch any input.
Signal to 1 channel output or all channel output.
The specific operation is as follows:J TECH DIGITAL JTECH 4K88-EX2B
HDMI Matrix Switch Extender - Video switch

Switch the input to the output
Operation format: “output channel” + “input channel”
For Example: Output port 2,5,8 switch to input 7
Operation: Press OUT number “2” “5” “8” + IN number “7” to complete the switch
4.2.2 Video Control
The video interface have two sub menu

  1. Video Switch
  2. Video On/Off

The specific operation is as follows:

  1. Video Switch
    Switch any output to one input or all outputs to the same input
    ①Select“Video”in the menu and press“ENTER”
    ②Then use “UP””DOWN”button to select” Switching”
    ③Press“ENTER”enter next page
    ④Press “UP””DOWN”button to select the output The ninth port means ALL)
    ⑤Press“ENTER”
    ⑥Press “UP””DOWN”to select the input
    ⑦Press“ENTER”,Switch DoneJ TECH DIGITAL JTECH 4K88-EX2B HDMI Matrix Switch
Extender - Video switch1

  2. Video On/Off
    Turn on/off any output video or all outputs video
    ①Select“Video”in the menu and press“ENTER”
    ②Then use “UP””DOWN”button to select“On/Off”
    ③Press“ENTER”enter next page
    ④Press “UP””DOWN”button to select the output(The ninth port means ALL)
    ⑤Press“ENTER”
    ⑥Press “UP””DOWN”to select “On “or “Off”
    ⑦Press“ENTER”,Switch Done
    J TECH DIGITAL JTECH 4K88-EX2B HDMI Matrix Switch Extender - Video
switch2

4.2.3 Audio Separation
The Audio Control have NINE sub menu

  1. Out 1 ~ Out 8
  2. Mute (Default)

The specific operation is as follows:
Audio interface can be set to output Audio (Analog or SPDIF), then choose Audio output or mute
Operating instructions:
Select “Audio” from the main menu and press “ENTER” to confirm
Press the up and down buttons to select “Out” or “Mute” and press “ENTER” to confirm the.
The bottom of the selected state will turn white with white dots at the backJ TECH DIGITAL JTECH 4K88-EX2B HDMI Matrix Switch Extender - Video
switch3 4.3 EDID Set Mode Interface
Default EDID

Default1 4K60 444 HDR AC-35.1 Default5 4K30 444 3D LPCM2.0
Default2 4K60 444 HDR LPCM7.1 Default6 4K60 420 HDR 3D AC-35.1
Default3 4K60 444 HDR LPCM2.0 Default7 4K60 420 3D LPCM2.0
Default4 4K60 444 LPCM2.0 Default8 1080P60 444 3D LPCM2.0

EDID Mode can set each input’s EDID, Include: Default EDID; User EDID; Copy EDID; Copy HDBT EDID.

Specific operations are as follows

  1. Select“EDID”in the menu and press“ENTER”
  2. Then use “UP””DOWN”button to select the input (The “In9”means ALL input)
  3. Press“ENTER”enter next page
  4. Press “UP””DOWN”button to select the MODE that you need, then press “ENTER” to select the EDID
  5. After confirming EDID, specific information of the EDID (resolution, audio, EDID mode) will be displayed.

J TECH DIGITAL JTECH 4K88-EX2B HDMI Matrix Switch Extender -
followsJ TECH DIGITAL JTECH
4K88-EX2B HDMI Matrix Switch Extender - EDID Setting

4.4 SETUP mode Interface
SETUP mode can set the device’s RS-232 baud rate, DHCP, Reboot, Factory Specific operations are as follows

  1. RS-232 Baud Rate setting
    It has 7 kinds of baud rates inside the device: 2400; 4800; 9600; 19200; 38400; 57600; 115200
    Default Baud Rate is: 115200
    ①Select“Setup”in the menu and press“ENTER”
    ②Then use “UP””DOWN”button to select the “BAUD”and press “ENTER”
    ③Press “UP””DOWN”button to select the baud rate and press “ENTER”to confirmJ
TECH DIGITAL JTECH 4K88-EX2B HDMI Matrix Switch Extender - BAUD
RATE

  2. DHCP On/Off setting (Default OFF)
    On means Dynamic; Off means Static
    ①Select“Setup”in the menu and press“ENTER”
    ②Then use “UP””DOWN”button to select the “DHCP”and press “ENTER”
    ③Press “UP””DOWN”button to select“On”or“Off”and press “ENTER”to confirmJ
TECH DIGITAL JTECH 4K88-EX2B HDMI Matrix Switch Extender - DHCP
setting

  3. Reboot setting
    ①Select“Setup”in the menu and press“ENTER”
    ②Then use “UP””DOWN”button to select the “Reboot “and press “ENTER”
    ③Press “UP””DOWN”button to select“No”or“Yes”and press “ENTER”to confirmJ
TECH DIGITAL JTECH 4K88-EX2B HDMI Matrix Switch Extender - Reboot
setting

  4. Factory setting
    ①Select“Setup”in the menu and press“ENTER”
    ②Then use “UP””DOWN”button to select the “Factory “and press “ENTER”
    ③Press “UP””DOWN”button to select“No”or“Yes”and press “ENTER”to confirmJ
TECH DIGITAL JTECH 4K88-EX2B HDMI Matrix Switch Extender - Factory
setting

4.5 INFO mode Interface
Check the device information: IP or System information J TECH DIGITAL JTECH
4K88-EX2B HDMI Matrix Switch Extender - INFO mode

Application Diagram

J TECH DIGITAL JTECH 4K88-EX2B HDMI Matrix Switch Extender -
Diagram

Remote Control Description

① Standby Mode
② Lock or Unlock the Panel Button
③ Choose output from 1-8
④ Choose all the outputs.
⑤ X: Turn on/off output port which you select⑥ PTP button: Mirror all inputs and outputs (Ex. Input 1 to output 1, input 2 to output 2, etc⑦ Choose input from 1-8
⑧ Menu (back to previous option) button
⑨ UP and DOWN button
⑩ Enter button

IR system

The matrix can pass the IR signal through the IR system to the HDMI source or pass the IR signal from the HDMI source to the HDMI sink J TECH DIGITAL
JTECH 4K88-EX2B HDMI Matrix Switch Extender - IR system

Dual way IR using:
Step1: “IR IN” is for HDBaseT output, “IR OUT” is for input channel
Step2: “IR IN EYE” Controlled by all input IR; “IR OUT ALL” Controlled by all output IR.
Step3: HDBaseT receiver support connect with IR receiver to control the Matrix by remote
Step4: Matrix IR channel “IR IN EYE” support connect with IR-RX cable to control the Matrix by remoteJ TECH DIGITAL JTECH 4K88-EX2B HDMI Matrix
Switch Extender - IR system 1

Command Control

Control software operation:
The serial control software is illustrated with SSCOM32 as an example.
Basic Settings:

Double-click the software in the installation package to run specifically (as shown in figure 1 below) and install the RS232 software on the computer.
Enter the main interface of the software, as shown in the figure below.J TECH DIGITAL JTECH 4K88-EX2B HDMI Matrix Switch Extender - Video
switch4

In the parameter configuration area, the serial number of serial port and PC connection is selected, and the baud rate of the communication protocol is completed: 115200 (default), data location: 8. Stop bit: 1, check bit: no, you can input  the instruction in the command input area and control the machine or remote receiver.

Instructions:

  1. All commands start from “#”, command head “%c”: “d” parameters, “l” lock, “s” save.
  2. The “_” in the commands cannot omit. Parameter: %d: 0 means ALL.
  3. Command head & Parameter1 & Parameter2… need to add one “SPACE”.

The following table is only an example. Please refer to the list of instructions.

Instruction description instruction parameter 1 parameter 2 parameter 3
Video switch #video_%c out%d matrix=%d matrix=%d
Audio Mode #audio_%c in%d enc=%d /
EDID #EDID_%c in%d mode=%d data=%d

Please refer to the ” Command list” for details.
Example: Output5 switch to input 6 channel off:
Operation format: #video_d out5 matrix=6 on off=0

Web Control

9.1. Change the IP address of your PC.

  1. Connect the Ethernet port of matrix to the Ethernet port on PC by a crossover cable with RJ45 connectors.

  2. Configure your PC as follows:
    ① Click Start > Control Panel > Network and Sharing Center.
    ② Click Change Adapter Settings.
    ③ Highlight the network adapter you want to use to connect to the device and click Change settings of this connection.

  3. The local Area commotion properties window for Network selection appears as below:

  4. Click the Highlight Internet Protocol Version 4 (TCP/IPv4).

  5. Click Properties.

  6. Select Use the following IP Address for static IP addressing and fill in the details.
    For TCP/IPv4 you can use any IP address in the range 192.168.1.1 to 192.168.1.255 (excluding 192.168.1.168).

  7.  Click OK.

  8. Click Close.

J TECH DIGITAL JTECH 4K88-EX2B HDMI Matrix Switch Extender - Web Control
1

Default IP Address: 192.168.1.168;
MASK: 255.255.255.0;
Gateway:192.168.1.1;
MAC:0008-DCCA-CF3F (Each device have different MAC address)

9.2. Enter Web and Control.

  1. Enter the default IP address of the matrix: 192.168.1.168.
  2. You will see following picture and control:
    (User Name: admin; Password:admin)
    Note: web control is recommended to use Google, fire fox, IE8 and above browsers, using other browsers may not be compatible

WEB interface introduction

  1. Icon: the page title label displays the device name or type

  2. Status display and description:
    2.1 Click the menu bar on the left, you can enter the corresponding operation interface
    2.2 After the operation is finished, there is no need to click the button like confirm, and it can be
    switched quickly. Please do not click continuously, otherwise the data refresh will be out of sync
    2.3 Video/Audio/EDID interface, input or output button, when there is device active or TV access, the border of the corresponding button is shown as blue

  3. Login interface:
    Total 5 groups of accounts: accounts and passwords are 5-15 alphanumeric and underlined, other invalid or correct characters are intercepted; Account admin~admin4 total 4 accounts, password: admin
    Login page:
    Get the IP address of web server according to serial port message /LCD display; To ensure network connectivity, enter IP address in the browser address bar and click to enter the login interface. Enter the correct account number and password to enter the interface
    Note:
    This web set a cookie, when the password and account are correct, if the browser is not closed, refresh the page again, will automatically log in, if you save the account password into the cookie, after closing the web page again enter the IP address can directly enter the control page

“VIDEO” interface description:

  1. Output selection bar: [01>>0]~[08>>08], input option bar: 01~08 means input port; all means select all

  2. Video switch: First select the output then select input to complete the switch.
    For example: select [03>>01], then click 01
    Blue box will be displayed when signal source or TV is connected

  3. Scenario application
    Save: Select any one of preset 1-8, blue means selected, and then click save to complete the save
    Apply: select any one of perset1~8 and click Apply again to complete the recall

J TECH DIGITAL JTECH 4K88-EX2B HDMI Matrix Switch Extender - Web
Contro3.Rename: modify input/output port name. Operation steps: click into the interface of port modification, enter the name of modification in the new name column and clickJ TECH DIGITAL JTECH 4K88-EX2B HDMI Matrix Switch Extender - Web
Control 3

“AUDIO” interface description:

  1. Represents the output audio. You can only choose to output all or mute all
  2. Just click the icon directly to complete the operation, rather than fast continuous operation

J TECH DIGITAL JTECH 4K88-EX2B HDMI Matrix Switch Extender - Web Control
5

“EDID” interface description:
Default EDID:

Default1 4K60 444 HDR AC-35.1 Default5 4K30 444 3D LPCM2.0
Default2 4K60 444 HDR LPCM7.1 Default6 4K60 420 HDR 3D AC-35.1
Default3 4K60 444 HDR LPCM2.0 Default7 4K60 420 3D LPCM2.0
Default4 4K60 444 LPCM2.0 Default8 1080P60 444 3D LPCM2.0

Blue means selectedJ TECH DIGITAL JTECH 4K88-EX2B HDMI Matrix Switch
Extender - Blue means

User EDID: uesr1~8 means the user’s EDID. A total of 8 EDID can be saved.
Copy EDID: HDMI01>>01 means copy output HDMI01’s EDID;
HDBT01>>01 means copy HDBT01’s EDID

“Network” interface description:

  1. The interface displays Mac address, IP address, sub code mask and gateway address
  2. DHCP can only modify IP address, sub net mask and gateway in the off state, and does not support any parameter modification in the on state
  3. DHCP switch: click Apply after click the white scroll bar to modify

J TECH DIGITAL JTECH 4K88-EX2B HDMI Matrix Switch Extender - System
interface

System interface description:
The user name means change the logged-in user name. New password means enter the new password in the login interface, enter the new password again to confirm, and click apply to complete the modification after entering (1.Matrix has 5 default accounts: admin~admin4, password: 123456. Account has level permissions
2. Only supports changing 6-15 characters of the account password in the form of letters, underscores and Numbers.) J TECH DIGITAL JTECH 4K88-EX2B HDMI
Matrix Switch Extender - Web Control 4

 RS232 Pass through

By RS232 Command , the matrix can send RS232 data to control the receivers ,also the receiver can send RS232 data to control the Matrix.
Please refer to the command list which included in the manual.

RS232 Online upgrading Firmware

  1. Use serial port upgrade, and the host dial code is pre- adjusted to the right to enter the serial port upgrade mode;

  2. RS232/Micro USB connection computer and product, open special upgrade software, click “Refresh” to make serial number Refresh;

  3. COM port to choose the port connected with the product;

  4. The baud rate setting is consistent with the host baud rate (default 115200);

  5. Upgrade instructions in the upgrade instruction box (some instructions are as follows);
    A1 means MCU;
    A1 01 means GUI;
    F0 01 means HTML.

  6. Click on the “…”Select the upgrade file for download;

  7. Click “Update” and the system starts to upgrade;

  8. The updated information box will prompt “Succeed” information when the upgrade is completed, and the representative program has been upgraded successfully.
    Note: Before burning, it is confirmed that HDMI/HDBT input and export are suspended. If other devices are connected, the host will automatically stop the upgrade.
    If the upgrade progress bar is stopped in the middle of the upgrade, then the host will need to be rebooted, then the serial port will be upgraded.

J TECH DIGITAL JTECH 4K88-EX2B HDMI Matrix Switch Extender - serial
port

MAINTENANCE

Clean this unit with a soft, dry cloth. Never use alcohol, paint thinner of benzine to clean this unit.
PRODUCT SERVICE

(1) Damage requiring service:
The unit should be serviced by qualified service personnel if:
(a) The DC power supply cord or AC adaptor has been damaged;
(b) Objects or liquids have gotten into the unit;
(c) The unit has been exposed to rain;
(d) The unit does not operate normally or exhibits a marked change in performance;
The unit has been dropped or the cabinet damaged.
(2) Servicing Personnel: Do not attempt to service the unit beyond that described in these operating instructions. Refer all other servicing to authorized servicing personnel.
(3) Replacement parts: When parts need replacing ensure the servicer uses parts specified by the manufacturer or parts that have the same characteristics as the original parts. Unauthorized substitutes may result in fire, electric shock,  or other Hazards.
(4) Safety check: After repairs or service, ask the servicer to perform safety checks to confirm that the unit is in proper working condition.

WARRANTY
If your product does not work properly because of a defect in materials or workmanship, our Company (referred to as “the warrantor” ) will, for the length of the period indicated as below, (Parts(2)Year, Labor(90) Days) which starts with  the date of original purchase (“Limited Warranty period”), at its option either(a) repair your product with new or refurbished parts, or (b) replace it with a new of a refurbished product. The decision to repair or replace will be made by the warrantor.
During the “Labor” Limited Warranty period there will be no charge for labor.
During the “Parts” warranty period, there will be no charge for parts. You must mail-in your product during the warranty period. This Limited Warranty is extended only to the original purchaser and only covers product purchased as new. A purchase receipt or other proof of original purchase date is required for Limited Warranty service.

MAIL-IN SERVICE
When shipping the unit carefully pack and send it prepaid, adequately insured and preferably in the original carton. Include a letter detailing the complaint and provide a day time phone and/or email address where you can be reached.
LIMITED WARRANTY LIMITS AND EXCLUSIONS

  1. This Limited Warranty ONLY COVERS failures due to defects in materials or workmanship, and DOES NOT COVER normal wear and tear or cosmetic damage.
    The Limited Warranty ALSO DOES NOT COVER damages which occurred in shipment, or failures which are caused by products not supplied by warrantor, or failures which result from accidents, misuse, abuse, neglect, mishandling, misapplication, alteration, faulty installation, set-up adjustments, maladjustment of consumer controls, improper maintenance, power line surge, lightning damage, modification, or service by anyone other than a Factory Service center or other Authorized Servicer, or damage that is attributable to acts of God.

  2. THERE ARE NO EXPRESS WARRANTIES EXCEPT AS LISTED UNDER “LIMITED WARRANTY COVERAGE”. THE WARRANTOR IS NOT LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM  THE USE OF THIS PRODUCT, OR ARISING OUT OF ANY BREACH OF THIS WARRNTY. (As examples, this excludes damages for lost time, cost of having someone remove or re-install an installed unit if applicable, travel to and  from the service, loss of or damage to media or images, data or other recorded content. The items listed are not exclusive, but are for illustration only.)

  3. PARTS AND SERVICE, WHICH ARE NOT COVERED BY THIS LIMITED WARRANTY, ARE YOUR RESPONSIBILITY.

J TECH DIGITAL LOGOWebsite: www.jtechdigital.com
Toll Free: 1-888-610-2818
Email: support@jtechdigital.com J TECH
DIGITAL JTECH 4K88-EX2B HDMI Matrix Switch Extender -
iconJTD-ID: 3001

References

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