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® SPLITMUX Series SPLITMUX-4K-4RT(-R) SPLITMUX-USB4K-4RT Quad Screen 4K Multiviewer Installation and Operation Manual SPLITMUX-USB4K-4RT SPLITMUX-4K-4RT MAN240 Rev Date 8/3/21...
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SPLITMUX Quad Screen 4K Multiviewer TRADEMARK SPLITMUX and the NTI logo are registered trademarks of Network Technologies Inc in the U.S. and other countries. All other brand names and trademarks or registered trademarks are the property of their respective owners.
SPLITMUX Quad Screen 4K Multiviewer TABLE OF CONTENTS Introduction..................................1 Supported Web Browsers ............................... 2 Materials ..................................3 Connectors and LEDs ..............................4 Mounting..................................5 Single-SPLITMUX mounting............................6 Dual-SPLITMUX mounting ............................7 Reversible Mounting Assembly ..........................8 Installation ..................................9 Terminal Connection for RS232 ..........................
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SPLITMUX Quad Screen 4K Multiviewer Command Line Interface ............................... 39 RS232 Control ................................39 Baud Rate................................39 RS232 Command Protocol ............................. 40 Telnet Control ................................41 Using The Text Menu ..............................42 Text Menu Navigation............................42 Current Mode................................43 System Configuration ..............................44 Network Configuration ...............................
SPLITMUX Quad Screen 4K Multiviewer INTRODUCTION The SPLITMUX® HD Quad Screen Multiviewer allows you to simultaneously display 4k Ultra High Definition video from four different computers or video sources on a single monitor providing resolutions up to 4096 x 2160. Features: ...
SPLITMUX Quad Screen 4K Multiviewer Backup and restore multiviewer configuration. Supported output resolutions can be selected or set to auto detect. Available options: desktop unit, 1RU rackmount unit, dual side-by-side rackmount units in 1RU. Rackmount units can be mounted so that the front panel buttons are facing the front or back of the rack. Rackmount units include cable management shelf.
Note: 4K in the above chart refers to both 3840x2160 and 4096x2160 resolutions Contact your nearest NTI distributor or NTI directly for all of your cable needs at 800-RGB-TECH (800-742-8324) in US & Canada or 330-562-7070 (Worldwide) or at our website at http://www.networktechinc.com...
SPLITMUX Quad Screen 4K Multiviewer CONNECTORS AND LEDS LABEL CONNECTOR/LED DESCRIPTION Pushbuttons HDMI Input Selection (Standard Mode) OSD Menu Navigation (OSD Mode) +, -, TAB, ENTER Pushbuttons For selecting the display mode for image placement on the user’s SCREEN- monitor FULL,QUAD,PIP,MODE (Display Modes) Used for OSD Menu positioning...
SPLITMUX Quad Screen 4K Multiviewer MOUNTING The SPLITMUX-(USB)4K-4RT can be purchased in a 1RU case with parts and hardware for mounting in a rack as a single unit (SPLITMUX-(USB)4K-4RT-R) or as a dual unit (SPLITMUX-(USB)4K-4RT-2R). (SPLITMUX-(USB)4K-4RT is for desktop mount only.) Follow the instructions below for assembly and installation.
SPLITMUX Quad Screen 4K Multiviewer Single-SPLITMUX mounting 1. To mount a single SPLITMUX in a rack (SPLITMUX-4K-4RT-R), attach the rack mounting ears to the ear brackets using the #6-32 x 1/4” screws provided. Tighten all screws securely. Figure 3- Attach rack ears Figure 4- Assembled unit, ready to mount in rack 2.
SPLITMUX Quad Screen 4K Multiviewer Dual-SPLITMUX mounting 1. To mount a dual SPLITMUX in a rack (SPLITMUX-4K-4RT-2R), attach the rack ears to the far left side of the left SPLITMUX and right side of the right SPLITMUX using the #6-32 x 1/4” screws provided.
(Install these before attaching the connector plate to the front.) Once the ear brackets are applied, the ears and connector plates can be attached. Figure 7- Assembly method for SPLITMUX with cables facing forward Figure 8- Assembled SPLITMUX-4K-4RT-2R 3. Tighten all screws securely. The SPLITMUX is ready for mounting.
PC. (See Figure 10) Figure 9- Video Source/Display Connections-SPLITMUX-4K-4RT Note: If the connected display does not support an HDMI input (typically it will have at least one HDMI input port), the display will not be compatible.
SPLITMUX Quad Screen 4K Multiviewer 6. For SPLITMUX units supporting USB CPUs (SPLITMUX-USB4K-4RT), a USB2-AB-xM cable (where x = 0.5 meter, 3,6,10 or 15 feet)(sold separately) can be connected between a USB port on the CPU and a “CPU IN x) port corresponding with the “HDMI IN x”...
SPLITMUX Quad Screen 4K Multiviewer Terminal Connection for RS232 If control via serial connection is going to be used, serial control can be achieved by connecting a control terminal to the “RS232” port . To use the “RS232” port, connect one end of a CAT5 patch cable (supplied) to the port labeled “RS232” on the rear of the SPLITMUX.
SPLITMUX Quad Screen 4K Multiviewer POWER ON When you plug in the AC adapter between the SPLITMUX and your power supply, with the power switch OFF (switch towards “O”), the LED on the SPLITMUX will illuminate red after approximately 20 seconds. To use the SPLITMUX, press the power switch to ON (switch towards “I”).
SPLITMUX Quad Screen 4K Multiviewer CONTROL METHODS The SPLITMUX can be controlled using any of six methods; Standard Mode using the front panel buttons OSD Mode using the front panel buttons and/or keyboard Using the Command Line Interface either through RS232 or remote connection ...
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SPLITMUX Quad Screen 4K Multiviewer In QUAD screen mode, all four video sources share the screen equally. Each video source is displayed completely. The maximum output resolution is 4K in Quad mode. In PIP mode (right) , either 2, 3 or all 4 video sources can be displayed, with the active source being displayed in its entirety on the full screen and the remaining selected images at a reduced resolution for simultaneous viewing.
SPLITMUX Quad Screen 4K Multiviewer OSD Mode In OSD Mode, the buttons are used to navigate and control the SPLITMUX using the OSD menu. To bring up the OSD menu, press the FULL and QUAD buttons at the same. To exit the OSD menu, press the FULL and QUAD buttons at the same time again, or press <Esc> on the keyboard.. Figure 14- Front Panel Button Functions Reset Resolution In the event an incompatible resolution setting is applied to the SPLITMUX, to quickly restore the images of video sources to the...
Tip: If your Windows program asks which program to open the NTIDiscover.jar file with, select the Java program. Figure 15- Device Discovery Tool Click on the “Detect NTI Devices” button to start the discovery process. After a short time, the tool will display all NTI devices on your network, along with their network settings.
IP address to enter when logging in to the SPLITMUX, or use the OSD menu to view the System Info page. Note: The computer using the Device Discovery Tool and the NTI Device must be connected to the same subnet in order for the Device Discovery Tool to work.
SPLITMUX Quad Screen 4K Multiviewer With a successful log in, a screen similar to the following will appear: Figure 17- Initial page- Administrator The initial page is the Mode page where the current operating mode of the SPLITMUX is selected and the input channel to be displayed in Full Screen mode is assigned.
SPLITMUX Quad Screen 4K Multiviewer System Fields for applying unit settings (name and keypad PIN), Serial configuration settings, OSD screen position, and configuration backup and restore options Network Fields for providing all the network settings the SPLITMUX and access control settings Input Settings Display configuration settings for each input channel...
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SPLITMUX Quad Screen 4K Multiviewer System Settings Description Unit Settings Name Unique name for this SPLITMUX to appear on the login page and header of each web interface page Keypad Pin PIN number that must be entered before using the keypad to change settings- 4 digits using buttons 1-4.
SPLITMUX Quad Screen 4K Multiviewer Administration-Network The Network Configuration page is where all network settings are entered. These settings determine how you will remotely access the SPLITMUX. This IP address is ONLY used if the Mode is set to “Static” ” (settings are grayed-out when set to DHCP).
SPLITMUX Quad Screen 4K Multiviewer Administration- Input Settings Figure 21- Input Settings Input Settings Description Input Channel x Port Name Enter a port name to associate with the video source on Input 1 Enable Choose to Enable or Disable the video input for this channel Each Input channel can be configured with these settings.
SPLITMUX Quad Screen 4K Multiviewer Administration- Output Settings Maximum recommended level Indicates no audio at source Colors show input volume from source Arrows indicate output volume through SPLITMUX Figure 22- Output Settings Video Output Configuration Description Output Port Name Enter a port name to associate with the display Output resolution Select the output resolution to send to the display or select “Auto”...
SPLITMUX Quad Screen 4K Multiviewer Audio Level and Gain The Audio level bar indicates the sound level output for the left and right speakers of that input channel. The level “ -96dB” indicates minimum sound output and “0dB” indicates maximum sound output. The audio level can also be viewed on the display (see Figure 23) when enabled through the web interface (see Figure 26).
SPLITMUX Quad Screen 4K Multiviewer Administration-Mode Settings Figure 24- Mode Settings Power Up Mode Setting Description Power Up Mode Choose the mode the SPLITMUX will be in when powered ON Full Screen Mode Settings Description Input Channel Select the input channel assigned to Full Screen Enable Scan Enable scanning for the full screen input channel- to automatically switch from one channel to another...
SPLITMUX Quad Screen 4K Multiviewer Note: PIP Screen Mode will not support resolution above 1920x1080p. If resolution is set above 1080p, the SPLITMUX will only output 1080p resolution while in Custom mode. Note: Make sure INPUT 1 has a source connected when enabling Scan function in PIP Screen Mode Figure 25- PIP Screen Mode Settings Pip Screen Mode Settings...
SPLITMUX Quad Screen 4K Multiviewer Single PIP Mode When in Single PIP Mode, the PIP window will be in the upper right position by default. You can adjust the vertical position on the screen by setting the "PIP Vert Position". With "Enable Scan"...
SPLITMUX Quad Screen 4K Multiviewer Administration- Custom Settings Using the Custom Mode Settings page (Figure 26) you can individually customize how you want the video from each channel to appear on the display. Note: Custom 10 Preset Screen Mode will not support Layouts resolution above...
SPLITMUX Quad Screen 4K Multiviewer Preset Layouts and Display Preview You can use any of the 10 preset layouts (use the slide bar to scroll to 9 and 10) or you can change the presets to a custom configuration and save those as well. The window below the presets provides a preview of the spacing of each channel on the display.
SPLITMUX Quad Screen 4K Multiviewer Individual Channel Settings The settings applied here will impact only the individual channel being configured. The Aspect Ratio can be configured to be a Fixed or Free Ratio. When set to Fixed Ratio, no matter what size you drag the channel to be, the viewed image will retain the ratio of the source.
SPLITMUX Quad Screen 4K Multiviewer If one of the inputs is being rotated, the Width and Height cannot be changed to be larger than its native size. For example, if an input is 720 x 480, after rotation it will become 480 x 720. The maximum window size of the rotated input cannot exceed 480 x 720 since rotation feature does not support zoom.
SPLITMUX Quad Screen 4K Multiviewer Save/Restore Layouts Any customized layout can be saved as a preset. Once you have the desired layout settings, click on “Download” and save the layout file to a location on your PC. Save the layout file to a location on your PC.
SPLITMUX Quad Screen 4K Multiviewer Cascade Settings In order to expand the number of video inputs that can be monitored by one display, SPLITMUXs can be connected in a cascaded configuration. To cascade SPLITMUXs, simply connect the output port of any downstream SPLITMUXs to the input port of an upstream SPLITMUX.
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SPLITMUX Quad Screen 4K Multiviewer Cascade Configuration Description Output type Direct- port will be directly connected to a display Cascade Slave- port will be connected to the Input port of an upstream SPLITMUX Output IP Address When the Output is connected to another SPLITMUX, enter the IP address of that SPLITMUX Input X (1-4) type Direct- port will be directly connected to a source Cascade Slave- port will be connected to the Output port of a downstream SPLITMUX...
To edit a user’s settings, double-click on the user name within the list. The “root” username and privileges cannot be changed, but the root password can be edited. If the root password is changed and forgotten, contact NTI to provide instruction to reset the password back to “nti”.
Note: In the event the SPLITMUX firmware should be corrupted, such that connection through the web interface is no longer possible, contact NTI for instruction and recovery files to access the SPLITMUX and restore the firmware using a TFTP server and Terminal connection (page 11).
SPLITMUX Quad Screen 4K Multiviewer Administration- System Information The System Information page provides firmware version, serial number (version 1.1 and later), MAC address, network settings and input connection status for the SPLITMUX. This information is particularly helpful when the IP mode is set to “DHCP With Failover”...
Support The Support section of the menu includes two links, Manual and Downloads. The Manual link will open the pdf manual for the SPLITMUX on the NTI website. You must have Adobe Reader installed on your PC to open this.
SPLITMUX Quad Screen 4K Multiviewer COMMAND LINE INTERFACE The SPLITMUX can be controlled using a command line interface from either a terminal connection to the “RS232” serial port (page 11) or through an Ethernet connection (page 11). RS232 Control The RS232 Interface is designed to meet the RS232C standard and can be controlled from any CPU or other controller with an RS232 communications port.
SPLITMUX Quad Screen 4K Multiviewer RS232 Command Protocol CPU controller commands supported by the unit are defined below. All commands must be terminated with a <CR> (carriage return). When a command is sent, the entire string is echoed back along with a response from the addressed unit as shown in the Command Definitions table (below).
<SPLITMUX IP address> is IP address of the SPLITMUX (default is connect through port 2000. The user will be prompted for the root password to connect to the SPLITMUX. The factory default password is "nti". (all lowercase letters). With a proper password sent the SPLITMUX will respond with:...
SPLITMUX Quad Screen 4K Multiviewer USING THE TEXT MENU The text menu can be reached either by using a serial command through the RS232 port or a Telnet command through an Ethernet connection. Either way, a text menu with full feature control can be reached by any administrative user. Text Menu Navigation ...
SPLITMUX Quad Screen 4K Multiviewer Figure 34- Text Menu-Main Menu The Main Menu is broken into 10 categories: Function Description Current Mode Sets the current viewing mode of the SPLITMUX System Configuration Configure system settings Network Configuration Configure network settings User Configuration Configure user access settings Input Configuration...
SPLITMUX Quad Screen 4K Multiviewer System Configuration In the System Configuration screen (Main Menu—>2) provides 3 categories of settings to configure, and provides an option to restore the SPLITMUX configuration to default settings. Figure 36- Text Menu- System Configuration The Unit Settings page provides a place to enter the name as you want it to appear in the web interface. Figure 37- Text Menu- Unit Settings...
SPLITMUX Quad Screen 4K Multiviewer Serial Settings page provides configuration of the baud rate (select a value between 1200 and 115200 bps) and the assigned serial address (1-5). Figure 38- Text Menu- Serial Port Settings The OSD Screen Settings page provides values for the placement of the OSD menu on your screen. Values of the Horizontal and Vertical Position offsets are in percentage of the screen and range from 0 to 70%.
SPLITMUX Quad Screen 4K Multiviewer If item 4 is selected from the System Configuration menu, you will be prompted for a “Yes” or “No” selection as to whether you are sure you want to reset all settings in the SPLITMUX to default values, or not. Be careful here, but the default answer is “No”...
SPLITMUX Quad Screen 4K Multiviewer The main network settings required to connect the SPLITMUX to your network are found under IP Settings. Figure 42- Text Menu- IPv4 Network Settings (Default settings are shown in this image) IP Settings Mode Select the method for acquiring IP Settings- Static (manual), DHCP (automatic) or Disable IP Address Enter valid IPv4 address (for Static Mode) (default is 192.168.1.30) Subnet Mask...
SPLITMUX Quad Screen 4K Multiviewer Important server settings that determine your ability to connect the SPLITMUX and stay connected are found under Server Settings. Figure 43- Text Menu-Server Settings Server Settings Enable Telnet Change to “Enable” to permit access to the SPLITMUX via Telnet The default is disabled.
SPLITMUX Quad Screen 4K Multiviewer Figure 45- Text Menu- Account Settings Figure 46- Text Menu- User Account Settings Account Settings Username enter the name the user will use to login Password enter a password for this user to login with Confirm re-enter the password this user will login with Enabled...
SPLITMUX Quad Screen 4K Multiviewer Input Configuration Configure what inputs will be viewed on the display in the Input Configuration screen (Main Menu—>5). Select which input to configure and choose the settings to be applied. Figure 47- Text Menu- Input Configuration Input Settings Input Channel x Port Name Enter a port name to associate with the video source on Input 1...
SPLITMUX Quad Screen 4K Multiviewer Output Configuration The Output Configuration determines how the inputs will be viewed on the display (Main Menu—>6). From this menu you can also select the Audio Output Configuration which will provide settings for how the audio from the inputs is managed. Figure 48- Text Menu- Output Configuration Video Output Configuration Output Port Name...
SPLITMUX Quad Screen 4K Multiviewer Figure 49- Text Menu- Audio Output Configuration Audio Output Configuration Input 1 Audio Mode Select the audio mode for the Input- between enabled/disabled/automatic Input 2 Audio Mode Select the audio mode for the Input- between enabled/disabled/automatic Input 3 Audio Mode Select the audio mode for the Input- between enabled/disabled/automatic Input 4 Audio Mode...
SPLITMUX Quad Screen 4K Multiviewer Mode Configuration Mode Configuration (Main Menu—>7) will determine how each display mode provided by the SPLITMUX will be presented. Mode characteristics will determine how the images will look on the display. Figure 50- Text Menu- Mode Settings Menu Figure 51- Text Menu- Default Mode Configuration Power Up Mode Setting Default Power On Mode...
SPLITMUX Quad Screen 4K Multiviewer Figure 52- Text Menu- Full Screen Mode Settings Full Screen Mode Settings Input Channel Select the input channel assigned to Full Screen Enable Scan Enable scanning for the full screen input channel- to automatically switch from one channel to another Scan time Set the dwell time while scanning- the amount of time (in seconds) each channel will appear...
SPLITMUX Quad Screen 4K Multiviewer Figure 54- Text Menu- PIP Mode Settings Pip Screen Mode Settings Active Channel Select which active channel is in full screen mode Enable full screen Enable active input in full screen mode with overlay Enable aspect ratio enable the aspect ratio to be maintained for all displayed images PIP Mode Select how many PIP images will be displayed, 2, 3 or 4 (one will be at full screen)
SPLITMUX Quad Screen 4K Multiviewer Figure 55- Text Menu- Custom Mode Settings Custom Screen Mode Settings Input x (1-4) Enable Input Enter a checkmark to enable the display of the input Border color for Input Choose the color of the border around each input Border width for Input Choose the width of the border around each input- from 0-50 pixels (0 = no border) Note: Custom Screen Mode will not support resolution above 1920x1080p.
SPLITMUX Quad Screen 4K Multiviewer Either save your current layout to one of 10 possible saved layouts…… …… or load one of up to 10 previously viewed and saved layouts. System Information Select System Information from the main menu (Main Menu—>9) to view the port status, network configuration, firmware version and MAC address for the SPLITMUX.
SPLITMUX Quad Screen 4K Multiviewer USING OSD In OSD Mode, the front panel buttons are used to navigate and control the SPLITMUX using an on screen display (OSD) menu. To bring up the OSD menu, press the FULL and QUAD buttons at the same time. To exit the OSD menu, press them again. The OSD Mode can also be controlled using the attached keyboard (if connected) from Command Mode.
SPLITMUX Quad Screen 4K Multiviewer Most of the settings that can be changed using the web interface and text menus can also be changed using the OSD menus. Function Description System Configuration Configure system settings Network Configuration Configure network settings Input Configuration Configure which inputs will be viewed Output Configuration...
SPLITMUX Quad Screen 4K Multiviewer System Configuration In the System Configuration screen provides 3 categories of settings to configure. Access to the OSD menus is controlled under Unit Settings, serial communication baud rate and address under Serial Settings, and the position of the OSD menu on the display under OSD Settings.
SPLITMUX Quad Screen 4K Multiviewer System Settings Description Unit Settings Name Unique name for this SPLITMUX to appear on the web interface login page and header of each web interface page Keypad Pin PIN number that must be entered before OSD mode can be accessed to change settings- 4 digits using buttons 1-4.
SPLITMUX Quad Screen 4K Multiviewer The IP address shown here is only used when the IPv4 mode is set to “STATIC”. To view the IP address when the mode is set to “DHCP”, go to the “System Information” page (page 69). Figure 62- OSD IP Settings IP Settings Mode...
SPLITMUX Quad Screen 4K Multiviewer Input Configuration Configure what inputs will be viewed and heard on the display and what EDID mode they should be in from the Input Configuration screen. Select which input to configure and choose the settings to be applied. Figure 64- OSD Input Configuration Figure 65- OSD Input Settings Input Settings...
SPLITMUX Quad Screen 4K Multiviewer Output Configuration The Output Configuration determines how the inputs will be viewed on the display. From this menu you can also select the Audio Output Configuration which will provide settings for how the audio from the inputs is managed. Figure 66- OSD Output Settings Video Output Settings Output Port Name...
SPLITMUX Quad Screen 4K Multiviewer Mode Configuration Mode Configuration will determine how each display mode provided by the SPLITMUX will be presented. Mode characteristics will determine how the images will look on the display. Figure 67- OSD Mode Settings...
SPLITMUX Quad Screen 4K Multiviewer Figure 68- Default, Full Screen and Quad Screen Settings Power Up Mode Setting Power Up Mode Choose the default mode the SPLITMUX will be in when powered ON. Choose from Full screen , PiP screen, Quad screen or Custom screen Full Screen Mode Settings Input Channel Select the input channel assigned to Full Screen...
SPLITMUX Quad Screen 4K Multiviewer Figure 69- PIP Screen Mode settings Pip Screen Mode Settings Active Channel Select which active channel is in full screen mode Enable full screen Enable/disable active input in full screen mode with overlay Enable aspect ratio Enable/disable the aspect ratio to be maintained for all displayed images PIP Mode Select how many PIP images will be displayed, 2, 3 or 4 (one will be at full screen)
SPLITMUX Quad Screen 4K Multiviewer Figure 70- OSD- Custom Screen Mode Settings Custom Screen Mode Settings Input x (1-4) Enable Input Enable/disable displaying the content of the input Border color for Input Choose the color of the border around the input Border width for Input Choose the width of the border around the input (0-50 pixels) (0 = no border) Load / Save Layout...
SPLITMUX Quad Screen 4K Multiviewer Figure 72- Save or Load a Custom Layout Up to 10 custom layouts can be saved and re-loaded as needed. System Information Select System Information from the main menu to view the current network settings, MAC address, and port status. This is particularly helpful when the SPLITMUX is in DHCP...
SPLITMUX Quad Screen 4K Multiviewer INFRARED REMOTE CONTROL The IRT-UNV Infrared Remote Control (optional-sold separately) provides the user with limited remote control of up to 15 NTI SPLITMUX-4K-4RT switches. The IRT-UNV can control connections and change the operating modes without having to press buttons on the SPLITMUX case.
Multiple Switch Control All NTI SPLITMUX-4K-4RT will work with the same IRT-UNV IR Remote control. As a result, a user with multiple NTI SPLITMUXs may find that, if the switches are installed too close together, both switches may respond to an IR command intended only for one switch.
SPLITMUX Quad Screen 4K Multiviewer Technical Specifications For IRT-UNV Number of Controllable Systems Max: 15 Pushbutton Control 29 keys Power supply 2x AAA Battery Chassis material Plastic Approvals RoHS Troubleshooting the IRT-UNV PROBLEM SOLUTION IRT-UNV is not selecting inputs Check battery ...
SPLITMUX Quad Screen 4K Multiviewer EXAMPLE OF CASCADED CONFIGURATION In the example below, 4 SPLITMUXs are connected in a cascaded configuration. Note: When cascading SPLITMUXs, make sure the Output Settings of all slaves are set at or below 1920x1080p. The Input of the Master does not support higher resolution settings from the slave units.
SPLITMUX Quad Screen 4K Multiviewer tabs showing hierarchy of configuration Figure 75- View of cascaded configuration from Slave at IP 192.168.3.173 When looking at a slave unit, the hierarchy will be indicated at the upper left of the layout choices. The leftmost tab is the master, followed by the nearest connected slave.
SPLITMUX Quad Screen 4K Multiviewer In Figure 77, it is indicated that one level of SPLITMUX is connected through channel 2 (Input 2). This is IP 192.168.3.183. Notice that in Cascade Settings the slave (192.168.3.183) is configured for connection to Input 2, and the upstream slave (192.168.3.173) is connected to the output.
HDCP Compliant- V1.2 (on Inputs) and V1.4\2.2 (on Outputs) Platforms supported Windows 2000/XP/Vista/7/8, Windows Server 2000/2003/2008, Solaris, Linux, FreeBSD, and MAC OS 9/10. Ports (SPLITMUX-4K-4RT) 1- HDMI output 4- HDMI inputs 1- RJ45 Ethernet 1- RJ45 RS232 1- 2.1mm x 5.5mm power jack...
SPLITMUX Quad Screen 4K Multiviewer TROUBLESHOOTING Each and every piece of every product produced by Network Technologies Inc is 100% tested to exacting specifications. We make every effort to insure trouble-free installation and operation of our products. If problems are experienced while installing this product, please look over the troubleshooting chart below to see if perhaps we can answer any questions that arise.
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