NTI XTENDEX ST-IPFOUSB4K-L-LCVW User manual

ST-IPFOUSB4K-L/R-LCVW
4K HDMI USB KVM Extender with Video Wall Support
Over IP via Two LC Singlemode/Multimode
Fiber Optic Cables
MAN374 REV 7/17/20

INTRODUCTION ................................................................................................................................................................1
FEATURES AND FUNCTIONS..........................................................................................................................................2
CONFIGURATION..............................................................................................................................................................4
Setup Mode Configuration................................................................................................................................................................. 4
Operation Mode Configuration .......................................................................................................................................................... 5
System........................................................................................................................................................................................... 5
Network ......................................................................................................................................................................................... 9
Functions..................................................................................................................................................................................... 11
Video Wall Functions................................................................................................................................................................... 19
INSTALLATION(TX/RX) ..................................................................................................................................................23
USB over IP and KM over IP installation......................................................................................................................................... 23
Panel Button and Hotkey Operation................................................................................................................................................ 26
SPECIFICATIONS............................................................................................................................................................28
WARRANTY INFORMATION ..........................................................................................................................................29

1
INTRODUCTION
The XTENDEX®4K(30Hz) HDMI USB KVM Extender over IP via Fiber provides remote KVM (USB keyboard, USB mouse
(USB1.x/USB2) and 4Kx2K UHD HDMI monitor) access to a USB computer up to 9,842 feet (3,000 meters) away via a duplex LC
singlemode fiber optic cable and 1,804 feet (550 meters) using duplex LC multimode fiber optic cable.
Each KVM extender consists of a local unit that connects to a computer and also supplies video to a local monitor, and a remote
unit that connects to an HDMI monitor, 3.5mm stereo audio speakers and microphone, RS232, and up to four USB devices
(keyboard, mouse, flash drive, HDD, or touchscreen display). The local and remote units can be connected together for a Point-to-
Point connection via fiber cable, or a Point-to-Many or Many-to-Many connection via a managed Gigabit SFP switch.
Features:
Signal transmission via two-strand singlemode LC fiber optic cable.
oUsing singlemode 9-micron cable, extend to 9,842 feet (3,000 meters).
oUsing multimode 50-micron cable, extend to 1,804 feet (550 meters).
Supports Ultra-HD 4Kx2K resolutions to 3840x2160 (30Hz), 2K resolution 2048x1080, HDTV resolutions to 1080p, and up
to 1920x1200 (WUXGA).
HDMI features supported:
oHDMI 1.4
ox.v.Color, sYCC601 color, Adobe RGB Color and Adobe YCC601 color
oDolby TrueHD, LPCM 7.1, DTS-HD Master Audio, Dolby Digital, and DTS
oBandwidth up to 340 MHz (10.2 Gbps)
oLip Sync
oHDCP 1.4 compliant.
USB ports for keyboard, mouse, flash drive, HDD or touchscreen display.
oKeyboard and mouse are hot-pluggable.
Supports video wall installations from 1x2 to 8x16 screens.
oDisplays can be rotated 180 and 270°.
Plug-and-Play installation allows receivers to find the transmitter automatically on the same network. (Network
configuration may be required for managed SFP switch.)
Support for Point-to-Many or Many-to-Many connections requires a managed Gigabit SFP switch with IGMP support and
Jumbo frame support.
oManage transmitter/receiver connections and video wall configuration with web interface or network switch that
supports VLAN; Each VLAN group acts as a separate HDMI Over IP Channel on the network.
When using multiple remote units, there are two USB control modes - Exclusive Mode and Sharing Mode.
oUSB Exclusive Mode: Only one remote unit can have USB control over the source computer at any time.
oUSB Sharing Mode: Multiple remote units share the control of the source computer.
Up to 5 USB devices will be recognized by the computer.
Full Infrared Remote (IR) control of HDMI source from remote HDTV using existing source remote control.
Supports full-duplex RS232 up to 115200 baud.
Customizable EDID table on local unit.
Supports the DDC2B protocol.
Easily expandable –add receivers as you add control stations.
Integrated mounting brackets for easy surface/wall mounting.

2
FEATURES AND FUNCTIONS
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No. Connector Description
1 SFP Port Connect to managed Gigabit SFP Switch port or directly to RX
using duplex LC fiber optic cable with pre-installed transceiver
2 HDMI OUT Local HDMI loop-out
3 HDMI IN Supports HDMI input video source up to 4K30Hz
4 Line in 3.5mm input audio will be extended to the Line Out of RX
5 Line out 3.5mm Line Out audio is extended from Microphone of RX
6 USB-to-PC USB-B to PC USB port for USB 2.0 Virtual HUB extension
7 DC 9~32V In System power input.
8 System LED (Green)
Link LED (Amber)
Green Blinking/Amber Off: System is starting up.
Green On/Amber Off: System is ready, but TX/RX not
connected.
Green On/Amber Blinking: TX/RX connected, but waiting for
video input.
Green On/Amber On:TX/RX connected, video input is ready.
9 RS-232 (terminal block) Serial-over-IP function, pin assignment: TxD-RxD-GND
10 IR Blaster Connect to external IR Emitter
11 Button 1 Press and Hold at Power ON until Green and Amber LEDs are
blinking:
Reset to Factory default and enter 192.168.0.88 setup mode.
Press and hold for 3 sec.: To Lock RX’s keyboard and mouse.
12 Button 2 Press: To select Video/Graphic mode
Press and hold for 3 sec.: To Enable/Disable Anti-Dither.

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ST‐IPFOUSB4K‐R‐LCVWRemoteUnit(RX)
No. Connector Description
1 SFP Port Connect to managed Gigabit SFP switch port or directly to TX using
duplex LC fiber optic cable with pre-installed transceiver
2 HDMI Out Connect to HDMI screen by HDMI-to-HDMI cable
3 Mic. IN 3.5mm Mic. In, extended to Line Out of TX (Unicast mode)
4 Line OUT 3.5mm Line Out, can be Line In or HDMI audio of source TX
5 DC 9~32V In System power input.
6 System LED(Green)
Link LED (Amber)
Green Blinking/Amber Off: System is starting up.
Green On/Amber Off: System is ready, but TX/RX is not
connected.
Green On/Amber Blinking: TX/RX connected, waiting for video
source.
Green On/Amber On: TX/RX connected, input video source is read
y
7 IR Receiver Remote Universal IR receiver(optional)
8 RS-232 (terminal block) Serial-over-IP function. (Pin assignment: TxD-RxD-GND)
Press: To select Video/Graphic mode
Press and hold for 3 sec.: To Enable/Disable Anti-Dither
9 Mode button Press and Hold at Power ON until Green LED is blinking:
Set this RX as EDID Master
Press: To enter OSD Transmitter List menu
Press and hold for 3 sec.: To request USB access right.
10 Link button Press and Hold at Power ON until Green and Amber LEDs are
blinking:
Reset to Factory default and enter 192.168.0.88 Setup mode
11 USB 1.1 Host 2 x USB 1.1 ports (left) for Keyboard, Mouse
11 USB 2.0 Host 2 x USB 2.0 ports (right) for Disk, Touchscreen, etc …

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CONFIGURATION
Use TX/RX Configuration Web page to configure. There are Setup mode and Operation mode for the Configuration Web page.
Setup mode can be used in the event you change the IP address of the unit in Operation mode and forget what it is. The Setup
Mode IP address cannot be changed. By entering Setup mode, the Version Information screen will tell you what the current
Operation Mode IP address is.
Setup Mode Configuration
To enter TX/RX Setup Mode Configuration Web page, press and hold the Button 1 (on Tx) or Link button (on Rx) and Power ON
until the Green and Amber LEDs start blinking, then release the button. This will force the TX/RX to enter Setup mode.
1. Directly connect TX/RX to a PC LAN port and set the PC IP to 192.168.0.1, Net Mask 255.255.255.0.
2. Open PC’s Web Browser (we recommend Chrome) and enter IP address 192.168.0.88 to enter the Setup Mode Configuration
Web page.
The Setup Mode Configuration Web page contains a System tab with sub-tabs Version Information, Update Firmware,
Configuration, Utilities, and Statistics. For determining the IP address, you only need the System tab and Version Information
(below).
Version Information
Provides information for “Tx”or “Rx”, Firmware version, IP address, MAC address:
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Operation Mode Configuration
To enter TX/RX Operation mode Configuration Web page:
Set PC IP 10.0.1.1, Net Mask 255.0.0.0.
Open Browser (we recommend Chrome),then enter TX/RX IP address 10.xx.xx.xx (the IP address can be found on the bottom of
the unit).
The TX Configuration Web Page contains 3 subtabs:System , Network , Functions .
The RX Configuration Web Page contains 4 subtabs:System , Video Wall , Network , Functions .
System
Version Information
Provides information for “Tx”or “Rx”, Firmware version, IP address, MAC address:
Update Firmware
Enter Update Firmware ---> navigate to the firmware file (.bin) then click Upload to start a firmware upgrade. The firmware
upgrade takes about 3 minutes, after which it will display “DONE Rebooting…” to indicate the unit has been upgraded and
rebooted.

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Configuration
You can export the current settings to a configuration file, or import configuration from an external file. Enter Configuration --->
Click Save Configuration to export configuration, click Upload Configuration to import configuration.
Utilities
Commands ---> Factory Default ---> To reset the device to the factory default.
Command ---> Reboot ---> To reboot the device.
Compatibility mode ---> Not applicable to this product

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EDID (TX only, not in RX)
The TX provides flexible EDID selections:
Copy EDID from EDID Master --->TX will get EDID from the RX with EDID Master setting.
Copy EDID from 1st connecting RX after powered On--->TX will get EDID from the 1st connected RX.
Copy EDID from RX IP--->TX will get EDID from a specific RX, enter RX’s IP here.
Resolution--->You can set TX with a specific resolution from the drop-down menu.
Available resolutions are 3840x2160 30Hz, 2560x1440 60Hz, 1920 x 1200 60Hz, 1920 x 1080 60Hz(default), 1680 x
1050 60Hz, 1440 x 900 60Hz, 1366 x 768 60Hz, 1280 x 1024 60Hz, 1280 x 720 60Hz, 1024 x 768 60Hz, 720 x 480 60Hz.
Note: This Resolution option will be overwritten by the RX EDID Master if the TX is set on Unicast.
Console API Command --->Not applicable to this product

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Statistics
Display system status for State Machine, Network, Video EDID, Video Screen attachment, Video Timing.
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Network
IP Setup (TX/RX)
The system supports Auto IP, DHCP, and Static(default) for the IP configuration:
Auto IP ---> 169.254.xxx.xxx (Auto), Subnet Mask 255.2555.0.0, Default Gateway 192.168.0.1
DHCP ---> Get IP from DHCP Server
Static ---> Enter IP Address, Subnet Mask, Default Gateway, click Apply .
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Casting Mode (TX)
TX can be set in Multicast (default) or Unicast mode.
In Multicast mode, the Multicast IP prefix can be configured: 
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Multicast IP prefix (default 225.0.10)
Multicast IP address (prefixed with
225.0.10x.x)
Casting Mode (RX)
The RX can be set in Multicast (default)
or Unicast mode as the below.
In Multicast mode, you can setup the
Multicast IP prefix and select the
Connection Method from:
First Available (default),
Multicast IP,
OSD Transmitter List, and
Direct Connection.
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In Unicast mode, you can select the Connection Method from
First Available,
OSD Transmitter List,
TX IP and
Direct Connection.
RX supports the following Connection Methods:
First Available: the RX will connect to the first available TX when powered on.
Multicast IP 225.0.10x.xxx: the RX will connect to the TX with the same Multicast IP address specified here.
OSD Transmitter List: the RX will display the available TXs in the OSD menu for user to select. Select “All
Transmitters”if all of TXs are permitted. Select “Transmitter IP Range”and input the IP range with “-“and“,”.
For example, “10.0.92.101 –10.0.92.120, 10.0.92.135, 10.0.92.188, …”
TX IP: the RX will connect to this specified TX only.
Direct Connection: this setting enables RX to connect TX by the same subnet, same Casting Mode, Jumbo
Frame and EDID Master will be automatically enabled.
Show TX Device name when connected (RX)
This feature enables RX to display the TX name (or IP) when connected. Default is enabled with 5 seconds.
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Jumbo Frame (TX/RX)
The TX/RX supports Jumbo Frame (8K bytes) for better video quality, default Enabled.
Note: The SFP Switch also must be set with Jumbo Frame enabled (at least 8K) if TX has been enabled.

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Functions
Device Name (TX/RX)
To set TX/RX Device name, enter ---> Functions ---> Device Name --->input name (8 characters max) --->
Apply to save the Device Name.
Video over IP (TX)
Features Include:
Enable Video over IP (Default: Enabled)
Video/Graphic Mode :Select Video Mode for video play smoothly.
Select Graphic Mode for static picture KVM application.
Maximum Bit Rate :Options are “Best Effort”, “200, 150, 100, 50, and 10 Mbps”for the TX bandwidth
selection.
(Default: Best Effort).
Maximum Frame Rate :This provides the maximum % of the TX frames rate capture up (Default: 100%).
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Video over IP (RX)
Functions ---> Video over IP :
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Enable Video over IP (Default Enabled).
Enable Video Wall : Enable this setting for the Video Wall output.
Copy EDID from this Video Output : To assign this RX as the EDID Master.
Scaler Output Mode :The RX includes a scaler feature.
The output resolution can be selected from these options:
Auto EDID (default),
Pass Through,
2160p30, 2160p25, 1080p60, 1080p50, 1920x1200,
Customize.
Auto EDID means the RX will output to screen resolution according to screen’s EDID.
Timeout for detecting video lost :The timeout period for lost video detection (default 10 sec.)
Turn off screen on video lost : Stop the video output when video source is lost (default Enabled)

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USB over IP (TX)
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Enable USB over IP ---> Check to enable TX’s USB over IP feature (default Enabled). It works as a 5-port Virtual HUB when TX
is attached to a USB port on the PC. Up to 5 Virtual USB ports will be sequentially linked to the connected RX USB devices.
There are 4 USB ports on each RX, but only the ports with devices attached (up to 5 total) will occupy the TX’s Virtual USB port.
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Operation Mode --->The TX USB-over-IP supports the following 2 operation modes:
Exclusive Mode: All of TX’s 5 Virtual USB ports will be exclusively assigned to the RX which has the USB access right.
The other RXs can request USB access right manually.
Sharing Mode: The TX’s 5 Virtual USB ports can be shared by multiple RXs. Depending on the number of USB
devices on each RX, it is possible to have maximum 5 RXs sharing the same TX’s Virtual USB. If more
than 5 devices are connected, the TX will randomly select the 5 ports that will work. The remaining
devices will be ignored.
Note: In Sharing Mode, using more than one mouse or keyboard at the same time from two different RXs will have
undesirable results, as the PC will try to respond to both.
Compatibility Mode
Mouse not responding well ---> enable this setting when mouse is slow and not very responsive.
K/M over IP ---> The TX also has built in K/M over IP HID emulation for multiple RXs to share the same TX’s
keyboard/mouse. This feature will occupy one TX’s Virtual USB port when it is enabled (default: Enabled).

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USB over IP KMoIP ports (RX)
There are 2 x USB 1.1 and 2 x USB 2.0 ports on each RX. These 4 USB ports can be configured for USB-over-IP or KM-over-IP
devices. The USB-over-IP devices will be virtually linked to the TX’s 5 VirtualUSB ports; the KM-over-IP devices will be linked and
shared with the TX’s K/M over IP HID emulation port.
The advantage of USB-over-IP device have better USB compatibility, for example USB Touch, Disk, …devices must be configured
with USB-over-IP. The advantage of KM-over-IP device is to have multiple RXs sharing the same TX’sK/M over IP HID emulation
port. It is recommended to configure the 2 x USB 1.1 (keyboard/mouse) as KMoIP ports and 2 x USB 2.0 as USB over IP ports (for
Touch, Disk).
The RX USB over IP Configuration Web page:
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This USB over IP setting must be enabled for any USB devices to be attached with TX’s Virtual USB HUB.
The RX KMoIP ports Configuration Web page:
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Enable the port #1, 2, 3, 4 for the device to be linked with the TX’s K/M over IP HID emulation port.Default Port 1 and 2 KMoIP
Enabled.
Note: All of RX’s 4 x USB ports will be configured as KMoIP if the USB over IP is disabled.

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Hotkey (RX)
The RX supports Hotkey for OSD Menu.
To choose the RX OSD Hotkey:
Functions ---> Hotkey ---> select the Hotkey from the list: <Ctrl><Ctrl>, <Shift><Shift>, <Alt><Alt>, or <Scroll><Scroll>
(default: Ctrl Ctrl).

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Serial over IP (TX/RX)
Serial over IP ---> Enable/Disable (default Enabled).
Operation Mode
Type 1: for Unicast application where user can dynamically link with any target RX.
Type 2: for Multicast application where TX RS-232 will link with all of connected RXs (default).
Type 1 guest: similar to type 1 but using PC to link with RX’sRS-232.
Type 2 guest: similar to type 2 but using PC to link with RX’s RS-232.
Baudrate Setting for Type 2
Set RS-232 Baudrate, Data bits, Parity, Stop bits. (default 115200, 8-n-1)
Point-to-Many connection via RS232
If one local unit pairs with multiple remote units, then point-to-many RS232 is supported.
When the Tx unit sends RS232 message, all Rx units receive the same message.
When multiple Rx units send an RS232 message at the same time, the fastest Rx will take control. The Tx unit
will only receive that Rx's message and reject messages sent from other Rx units. Once the controlling Rx stops
sending messages for about 1~2 seconds, the control authority will be released and all Rx units will be competing for
priority again.

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Audio Output (RX)
If the TX’s input audio is in HDMI, you can route the audio output on Line Out of the RX:
Functions ---> Audio Output ---> check “HDMI Audio De-Embedder”.
Click Apply to save the setting and reboot. (default Disabled)
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IR over IP (RX)
It is possible to assign the IR signal routing path:
Enable IR over IP (default Enabled)
IR Assignment --->Select IR routing path from the following 3 options:
Video Source TX --->Send the RX’s IR input signals to the TX of current video source.
VWall Manager (TX: ) --->Not applicable
TX IP: --->Send the RX’s IR input signals to this specified TX.
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Multi-Screen Setting (TX)
The system supports Multi-Screen feature which is useful for PC with multiple screen outputs. As above TX Multi-Screen Setting
Web page:
Main Video : Enable this setting if this TX is connected to the PC’s main video output.
Note: Any TX with Main Video setting disabled will not be shown on the OSD Transmitter List.
2nd Video TX IP : Type in another TX IP address which is connected to the PC’s 2nd video output.
3rd Video TX IP : Type in another TX IP address which is connected to the PC’s 3rd video output.
4th Video TX IP : Type in another TX IP address which is connected to the PC’s 4th video output.
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Multi-Screen Setting (RX)
Similar to the TX Multi-Screen Setting page, in the above RX Multi-Screen Setting Web page:
2nd ScreenRX IP : Type in another RX IP address which is connected to the 2nd screen.
3rd ScreenRX IP : Type in another RX IP address which is connected to the 3rd screen.
4th ScreenRX IP : Type in another RX IP address which is connected to the 4th screen.
When the Main RX switches to a new TX, its associated RXs will also be switched to the new TX’s associated TXs automatically.
Mirror (RX)
When the “Mirror”option is enabled, the associated RXs will connect to the same TX as the Main RX is connected to. This splitter
function enables multiple RXs to display the same TX.