NTI SM-4X4-4K18GB-LC User manual

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Low Cost 4K HDMI Video Matrix Switch: 4x4
Operating Instruction
SM-4X4-4K18GB-LC

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Operating Instruction
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, lightning strikes,
etc. Use of surge protection systems is highly recommended in order to
protect and extend the life of your equipment.

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Operating Instruction
Table of Contents
1. Features.....................................................................................4
2. Package Contents.....................................................................4
3. Specifications............................................................................4
4. Panel Descriptions....................................................................5
5. Connecting and Operating.......................................................6
6. Application Diagrams...............................................................6
7. Remote Control Description.....................................................7
8. RS232 Pin Assignment.............................................................7
9. RS232 Control............................................................................8
9.1 Software Control.......................................................................8
9.2 Command Control...................................................................11
10. Web Control...........................................................................13

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Operating Instruction
Dear Customer
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.
1. Features
4xHDMI input, 4xHDMI output, any one of the 4 sources to any one of the 4 Displays.
HDMI2.0 Version (4K@60HZ YUV4:4:4)
Data transmission bandwidth up to 18 GBPS
Support HDR.
Support HDCP2.2 input, HDCP2.2 output
Support Panel button, Local IR, IR routing, RS232 control and Web GUI Control
Support EDID management functions
Support Dolby TrueHD and DTS-HD Matter audio
1U rack design, easy installation
Unit size: L438XW220XH44 mm.
2. Package Contents
1). 1x HDMI Matrix
2). 1x 12V DC powersupply
3). 1x Remote control
4). 4x IR TX cable
5). 4x Wide Band IR RX Cable (38khz-56khz)
6). 1x 38khz IR Ext RX Cable
7). 1x mounting kit
3. Specifications
Bandwidth 18 Gbps
Resolution 480p,576P@50hz,720P@60hz, 1080P@24hz,1080P@50hz,1080P@60hz,4K@24hz,4K@30hz,
4K@60hz YUV4:2:0, 4K@ 60hz YUV4:4:4
Video Input Connectors 4xHDMI Type A, 19-pin, female
Video Output Connectors 4xHDMI Type A, 19-pin, female
RS-232 serial port DB-9, female
Ethernet port (IP control) RJ-45, female
IR Input ports 5x3.5mm stereo jack
IR Output ports 4x3.5mm stereo jack
Rack-Mountable Rack ears included
Dimensions(WxHxD) L438XW220XH44 mm
Net Weight 2.68 kg
Operating Temperature 32°F to 104°F (0°C to 40°C)
Storage Temperature -4°F to 140°F (-20°C to 60°C)
Power consumption 12W(Max)

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Operating Instruction
4. Panel Descriptions
①Power on/off.
②These LED indicates the status of each output selection.
③IR receive window.
④Input button IN1~4: choose the desired input port from ports 1~4.
⑤Output button OUT1~4: choose the desired output port from ports 1~4.
⑥Lock: Press this button, then all the button on the unit is useless, which mean all the
buttons locked
⑦ALL: Press this button to set all the outputs to display with the same input. First press
the “ALL” button then press an input number to confirm the selection.
The “Lock” button will light when all the buttons are locked.
①LAN port.
②RS232 port.
③HDMI input port.
④IR-RX.
⑤IR-TX.
⑥IR-Ext.
⑦HDMI output port.
⑧Power input: 12V

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Operating Instruction
5. Connecting and Operating
1. Connect source devices to input ports of the matrix
2. Connect HDMI output ports to TV or other HDMI sink devices.
3. Optional: connect RS232 cable from PC RS232 port.
4. Optional: connect an Ethernet cable from the TCP/IP port on the matrix to a local area
network.
5. Connect 12V POWER supply to DC power socket.
6. Power on the matrix, HDMI sources and displays.
6. Application Diagram

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Operating Instruction
7. Remote Control Description
①Standby Mode.
②OUTPUT-X select INPUT-Y:
PressOUTPUT-X (X =1 to 4 of outputs)
Press INPUT-Y (Y =1 to 4 of inputs)
③All outputs select INPUT-Y:
Press ALL button in zone OUTPUT
Press INPUT-Y button (Y =1 to 4 of inputs), then
INPUT-Y will be switched to ALL OUTPUTS.
④Cancel Button: Cancel the switching operation
⑤PTP button: Mirror all inputs and outputs
(Ex. Input 1 to output 1, input 2 to output 2, etc):
Press PTP button in Zone OUTPUT.
8. RS232 Pin Assignment
Matrix Remote Control Console
PIN Assignment PIN Assignment
1 NC 1 NC
2 Tx 2 Rx
3 Rx 3 Tx
4 NC 4 NC
5 GND 5 GND
6 NC 6 NC
7 NC 7 NC
8 NC 8 NC
9 NC 9 NC
Baud Rate: 115200 bps
Data Bits: 8 bit Parity: None Stop Bit: 1 bit
Flow Control: None

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Operating Instruction
9. RS232 Control
9.1 Software control
Connect the 4x4 Matrix to PC with a RS232 cable, download and open the software on
your PC. On the COM Setting session, select the COM port according to your PC and
click Connect to get connected.
On this COM setting session, you can also change the Device name, Device name
support up to 16 characters. Save or edit your status by clicking the Edit button.
Come to Port Set session to select or switch your input sources for each output, We can
read the current status by clicking the “Status” button, or Clear our historical operating
record by clicking “Clear” button. The right down blank shows the operating history.
Picture 1

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Operating Instruction
The EDID session helps us to Read and Configure EDID for each input, such as HDR, 3D,
Data rates and Audio channel.
Picture 2
The IP configure session helps to read and configure the IP address and MAC of the
Matrix. Check DHCP if you want the router to automatically assign an IP for the Matrix.
Picture 3

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Operating Instruction
The Net Config session allows us to configure the PC and Matrix in the same LAN with the
IP Address and connection.
Click “Net config” →“Connect” →“Search Device” →“Sel Device Number” →“Connect”
Picture 4
Picture 5

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Operating Instruction
The last session is System Config, which allows power ON/OFF, system reset, or
Default Reset of the Matrix.
Picture 6
9.2 Command Control
1). Open CommUart Assistant.
2). Comport setting:
Baud Rate: 115200 bps
Parity: None
Data Bits: 8 bit
Stop Bits: 1 bit
3). Enter Port Command in Send options.
Picture 7

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Operating Instruction
4). Command
Command Function Note
@W 04 00 01 02 03 # PTP Function Mirror all inputs and outputs
(Ex. Input 1 to output 1, input 2 to output 2, etc)
@W 50 # Reboot
@W 51 # Restore Factory Setting
@W 0F 00 # Standby 00: Standby Mode
01: Cancel “Standby Mode”
5). Select HDMI input for HDMI output
Command Description
00 Output1
01 Output2
02 Output3
03 Output4
04 All Output
00 Input1
01 Input2
02 Input3
03 Input4
E.g: @W 00 00 #: Ouput 1 display Input1
Ouput 1 Input1
6). EDID Setting
@W XX AA BB #:
Parameter Description:
XX for configuration of “INPUT EDID”
Command 05 06 07 08
Description Input1 Input2 Input3 Input4
AA for selecting “Video Mode”
Command 00 01 02 03
Description 1080P 4K2K_30 4K2K_60(YC420) 4K2K_60(YC444)
BB for selecting belowing function
Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0
HDR 48Bit 36Bit 30Bit 7.1CH 5.1CH 2CH 3D
1 1 1 1 1 1 1 1
0 0 0 0 0 0 0 0
“1” : choose with the function, “0” : doesn’t choose with out the function.
E.g: 11001001: HDR, 48Bit, 7.1CH, 3D
Chang Binary code “11001001” to hexadecimal format “C9”.
E.g: @W 05 03 C9 #
The EDID of input 1 is: 4K2K_60(YC444)、HDR、48Bit、7.1CH、3D.

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Operating Instruction
10. Web Control
1). Connect the HDMI Matrix and PC to the LAN.
2). Open the PC tool (downloaded from our website).
3). Search the IP address of HDMI Matrix, please refer to picture 4 & picture 5.
4). Open the web browser and enter the IP address you searched, then you can set the
function as indicated in the pictures below:
Picture 8: Port Setting Page
Picture 9: EDID Setting Page

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Operating Instruction
Picture 10: IP Configuration Page
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.
Man296 Rev 8/16/17