4K / UHD Three-Input Switcher for HDMI and USB-C with HDBaseT™ and HDMI Outputs AT-OME-ST31 Atlona Manuals Switchers
Version Information Version Release Date Notes 1 10/18 Initial release AT-OME-ST31 2
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Atlona, Inc. (“Atlona”) Limited Product Warranty • Damage, deterioration or malfunction resulting from the installation or removal of this product from any installation, any unauthorized tampering with this product, any repairs attempted by anyone unauthorized by Atlona to make such repairs, or any other cause which does not relate directly to a defect in materials and/or workmanship of this product.
Important Safety Information CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION: TO REDUCT THE RISK OF ELECTRIC SHOCK DO NOT OPEN ENCLOSURE OR EXPOSE TO RAIN OR MOISTURE. NO USER-SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance instructions in the literature accompanying the product.
Table of Contents Introduction 8 Features 8 Package Contents 8 Panel Description 9 Installation Connection Instructions Connection Diagram IP Configuration Switching the IP Mode Using the Front Panel Setting the IP Address using the Web GUI Auto IP Mode 10 10 11 12 12 12 13 Basic Operation LED Indicators Input Switching Manual Switching Auto Switching HDCP Information Controlling Audio Audio Output Muting Embedding External Analog Audio Managing Users Adding Users Resetting to Factory Defaults Usi
Introduction The Atlona AT-OME-ST31 is a 3×1 switcher and HDBaseT transmitter with HDMI and USB-C inputs. It features mirrored HDMI and HDBaseT outputs and is HDCP 2.2 compliant. The USB-C input is ideal for AV interfacing for newer Mac®, Chromebook™, and Windows® PCs, as well as smartphones and tablets. Video signals up to 4K/60 4:2:0 can be transmitted over HDBaseT up to 330 feet (100 meters). All inputs and the local HDMI output support 4K HDR and 4K/60 4:4:4 at HDMI data rates up to 18 Gbps.
Panel Description 1 3 4 5 AT-OME-ST31 1 2 3 PWR LINK OMEGA TM FW Front INPUT 2 6 AUDIO 1 LINK FW 2 7 INPUT 3 INPUT AUDIO 1 AT-OME-ST31 1 2 3 PWR OMEGA TM DISPLAY 2 8 IP MODE 9 RX TX OUTPUT RESET IP MODE RX TX OUTPUT RESET DISPLAY AT-OME-ST31 11 12 13 RS-232 LAN DC 24V RS-232 LAN DC 24V AT-OME-ST31 3 INPUT Rear 10 1 PWR Indicator This LED indicator glows solid green when the unit is powered.
Installation Connection Instructions 1. Connect HDMI cables from HD/UHD sources to INPUT 2 and INPUT 3. 2. Connect a USB-C cable from a source to INPUT 1 on the switcher. 3. Connect an Ethernet cable, from the HDBaseT port to a compatible HDBaseT receiver. NOTE: The AT-OME-ST31 is powered over HDBaseT, by a PoE receiver unit. If a PoE HDBaseT receiver is not used, then the AT-OME-ST31 must be powered using the optional 24 V DC power supply* (not included).
Installation Connection Diagram H D M I Laptop H D M I Laptop Et h er ne t LAN T31 E-S -OM AT T TES 1 2 3 R PW K FW TM EG OM I M AT-OME-ST31 H D B as eT U D H SB -C LIN A UT INP Display T MI OU HD seT IN Ba HD RX TX 2 -23 RS V DC 48 I M D H AT-UHD-EX-100CE-RX-PSE Display AT-OME-ST31 11
Installation IP Configuration The AT-OME-ST31 is shipped with DHCP enabled. Once connected to a network, the DHCP server (if available), will automatically assign an IP address to the unit. If the AT-OME-ST31 is unable to detect a DHCP server within 15 seconds, then the unit will use a self-assigned IP address within the range of 169.254.xxx.xxx. Use an IP scanner, along with the MAC address on the bottom of the unit, to identify the unit on the network.
Installation Auto IP Mode If the AT-OME-ST31 is unable to detect a DHCP server within 15 seconds, then the unit will use a self-assigned IP address within the range of 169.254.xxx.xxx. If this occurs, connect the AT-OME-ST31 to a computer running Microsoft Windows® and follow the procedure below. 1. Click Start > Settings > Control Panel > Network and Sharing Center. 2. Click Change adapter settings. 3.
Basic Operation LED Indicators The LED indicators on both the front and rear of the unit provide basic information on the current status of the ATOME-ST31. LED PWR LINK 1, 2, 3 AT-OME-ST31 Description Solid green • Unit is receiving power using the optional 24 V DC power supply (not included) or the Ethernet cable connected between the HDBaseT OUTPUT port and a PoE-compatible receiver. Off • Unit is not powered.
Basic Operation Input Switching Switching between any of the three input ports can be performed either manually or automatically. The following section covers both methods. Manual Switching 1. Press and release the INPUT button on the front panel to cycle between INPUT 1 (USB-C), INPUT 2 (HDMI), and INPUT 3 (HDMI) inputs. The USB-C input (INPUT 1) is the factory-default setting.
Basic Operation Auto Switching Auto-switching can also be used to automatically select an input. Auto-switching must be enabled for this feature to work. When auto-switching is enabled, the AT-OME-ST31 will automatically switch inputs, based on the presence of an input signal. 1. Enable auto-switching by using one of the following methods. Using the web GUI a. Login to the web GUI and access the A/V Settings page (page 30). b. Click the Auto Switch mode toggle switch to the ON position.
Basic Operation HDCP Information Normally, if a source is transmitting HDCP content to a display that is not HDCP-compatible, then the resulting image on the display can be “snow”, image flickering, or no picture. If the display is unable to receive HDCP content, then the image on the display will For example, in the illustration below, a laptop source is connected to the AT-OME-ST31. A non-compliant display is connected to a receiver, which is connected to the AT-OME-ST31 using HDBaseT.
Basic Operation Controlling Audio The AT-OME-ST31 provides complete control over both audio muting and audio input sources. Audio muting can be controlled on both HDMI and HDBaseT outputs. Analog audio can also be embedded on the HDBaseT or HDMI outputs using a 3.5 mm mini-stereo cable. Audio Output Muting 1. Open the desired web browser and enter the IP address of the AT-OME-ST31. 2. Log in as the admin user with the required credentials.
Basic Operation 5. Click the toggle switch under the desired input. By default, each input is set to DIGITAL. When set to DIGITAL, the audio that is heard on the HDBaseT and/or HDMI outputs will be supplied by the source. When set to ANALOG, the audio on the output will be replaced with an external analog audio source. AT-OME-ST31 1 2 3 PWR To use the audio from an external analog source, do the following: LINK FW OMEGA a 3.5 mm mini-stereo INPUT DISPLAY a.
Basic Operation Managing Users The AT-OME-ST31 allows the admin user to create, edit, and remove additional TCP/IP users. All users have the same level of access to control the AT-OME-ST31. However, only the admin user is allowed to manage other users. Up to three additional users can be created. Adding Users 1. Open the desired web browser and enter the IP address of the AT-OME-ST31. 2. Log in as the admin user with the required credentials.
Basic Operation Resetting to Factory Defaults If necessary, the AT-OME-ST31 can be reset to factory-default settings. Note that the AT-OME-ST31 will be placed in DHCP mode, as part of the reset procedure. The AT-OME-ST31 can also be reset through the web GUI. Both procedures will be covered in this section. Using the Rear Panel AT-OME-ST31 1. Press and hold thePWR RESET button on the rear panel for approximately 10 1 seconds. 2 LINK 2. Release the RESET button once the LED indicator begins to flash.
Advanced Operation RS-232 Control The AT-OME-ST31 provides RS-232 control between a control system and an RS-232 device using a captive screw connector block. The AT-OME-ST31 provides two modes of RS-232 control: Pass-through mode and control mode. RS-232 is serial data protocol that allows Data Terminal Equipment (DTE) devices, such a computer or control system, to communicate with Data Communication Equipment (DCE) devices, such as the AT-OME-ST31 or a 2 3 control 4 5 systems. display.
Advanced Operation Cable Assembly When connecting a DTE device to a DCE device, a straight-through cable should be used. A straight-through cable is wired in such a way that the pins on one side of the cable are connected to the corresponding pins on the opposite side of the cable, as shown in the table below. However, the AT-OME-ST31 will use only TxD, RxD, and GND signals when communicating with a control system or computer.
Advanced Operation Pass-through mode In pass-through mode, RS-232 commands are sent to the AT-OME-ST31 and then transmitted over HDBaseT to the receiver unit, and then to the display (sink) device. 1. Connect the RS-232 cable between the control system and the AT-OME-ST31. Refer to Cable Assembly (page 51) for instructions on preparing the cable. 2. Connect an Ethernet cable from the desired HDBaseT OUT port to a receiver. 3. Connect an RS-232 cable between the display (sink) and the receiver.
Advanced Operation 1. Launch a web browser and login to the web GUI. Refer to Introduction to the Web GUI (page 27) for more information. The factory-default username and password are listed below: Username: admin Password: Atlona 2. Click RS-232 in the menu bar. 3. Select the proper baud rate, data bit, parity, and stop bit settings for the HDBaseT OUTPUT port. These settings must correspond with the RS-232 settings of the display (sink) device. 4. Click the Save button to commit changes. 5.
Advanced Operation Control mode In control mode, RS-232 commands are sent from a computer or control system (DTE) to the AT-OME-ST31 (DCE). This method allows direct control of the matrix for routing, IP configuration, powering-on / powering-off and other functions. NOTE: The RS-232 port on the AT-OME-ST31 runs at a baud rate of 115200. The control unit must be set to the same baud rate, in order to communicate with the AT-OME-ST31. 1. Connect the RS-232 cable between the control system and the AT-OME-ST31.
The Web GUI Introduction to the Web GUI The AT-OME-ST31 includes a built-in web GUI. Atlona recommends that the web GUI be used to set up the AT-OME-ST31, as it provides intuitive management of all features. Follow the instructions below to access the webGUI. 1. Make sure that an Ethernet cable is connected between the LAN port on the AT-OME-ST31 and the network. 2. Launch a web browser and enter the IP address of the unit. If the default static IP address is being used, enter 192.168.1.254. 3.
The Web GUI 7. The Info page will be displayed. Menu Bar The dark-colored bar, near the top of the screen, is the menu bar. When the mouse is moved over each menu element, it will be highlighted in light orange. Once the desired menu element is highlighted, click the left mouse button to access the settings within the menu. Menu bar In this example, clicking A/V Settings, in the menu bar, will display the A/V Settings page.
The Web GUI Info After logging in, the Info page will be displayed. The Info page provides various information about the receiver, including the model name, software version, and video information. Model Name The model SKU of this product. Software Version The version of firmware that the AT-OME-ST31 is running. Always make sure to check the AT-OME-ST31 product page, on the Atlona web site, for the latest version of firmware.
The Web GUI A/V Settings page The A/V Settings page is divided into two sections: Video and Audio. The Video section allows the preferred input timing to be selected as well as whether or not HDCP content is allowed to pass. The Audio section provides options to control the output audio volume, muting, treble, and bass. Input Selection Click this drop-down list to select the desired input. Input Description A/V Mute Blocks all inputs from receiving an input signal.
The Web GUI HDCP Settings Each input provides control of how HDCP content is handled. Some source devices will send HDCP content if an HDCP-compliant display (sink) is detected. However, there may be applications where sending HDCP content is not desired. Setting the port to the OFF position, will instruct the source to send non-HDCP content to the display. Note that not all sources have this capability. Sources such as Mac® computers and the Sony PlayStation® will always transmit HDCP content.
The Web GUI Display page CEC Command Click the ON button to send the power-on command to the display device. Click the OFF button to toggle the power state to off. Consumer Electronics Control (CEC): Atlona has confirmed proper CEC functionality with several current models of Samsung, Panasonic, and Sony displays. However, it is not guaranteed that CEC will work with all displays. Many manufacturers do not support the CEC “off” command, and older displays use proprietary commands.
The Web GUI Display Auto Power Off Sends the command to power-off the display when an A/V signal is no longer present. Click the toggle to enable or disable this feature. Lamp cool down timer Sets the cool-down interval, in seconds, before the projector can be powered-off. During this time interval, the projector will not accept any “power on” or “power off” commands until the last “power off” command has been processed and the projector lamp has completed the cool-down cycle. Range: 0 to 300.
The Web GUI Send Mode Click this toggle to set how the commands will be sent to the display. Range: ASCII or Hex. ON/OFF/Volume+/Volume-/Mute These are the available operations that can be performed on the display. Refer to the User Manual for the device to be controlled for the required codes. • Set command Enter the command in this field. • Feedback Enter the feedback string in this field. • CR-LF Click this drop-down list to select the desired end-of-line characters to be sent.
The Web GUI RS-232 page Zone If the AT-OME-ST31 is connected to a device such as the AT-UHD-EX-100CE-RX-PSE, the drop-down list boxes will be disabled and the HDBaseT baud rate will be locked at 115200. If the AT-OME-ST31 is connected to another HDBaseT device, such as the AT-UHD-CLSO-824, each of these dropdown list boxes can be set to the baud rate of the HDBaseT RS-232 settings on the corresponding device. Click the Save button to accept the settings.
The Web GUI EDID page EDID Settings Click these drop-down lists to select the desired EDID to be used for each input. The following EDID presets are available. When selecting an EDID, make sure that the display/sink device is capable of supporting the resolution/ timing. If the sink device is not able to support a feature, then the source will not be displayed. Selecting the Default EDID will provide the most compaible settings for most displays.
The Web GUI Config page The Config page provides management of usernames and passwords. The administrator username (“admin”) cannot be changed. Old Username This field cannot be changed. “admin” is the administrator user. Old Password Enter the current password for the “admin” username in this field. The default password is “Atlona”. New Username This field cannot be changed. Save Click this button to save all changes. New Password Enter the new password fro the “admin” username in this field.
The Web GUI System page The System page is divided into two sections: Network and System. The Network section allows configuration of the IP settings of the AT-OME-ST31. The System section provides controls for resetting the AT-OME-ST31 to factory-default settings and updating the firmware. IP Mode Click this toggle to set the AT-OME-ST31 to DHCP or static mode. By default, the AT-OME-ST31 is in DHCP mode. IP Enter the IP address of the AT-OME-ST31 in this field.
The Web GUI Status Broadcast Click this toggle to set the Broadcast mode ON or OFF. Brute Attack This section adds a layer of security to prevent users from attempting to login with incorrect credentials. • Maximum Retry Connections Click this drop-down list to select the number of login attempts that are allowed before the system locks out the username. • System Lock Time (Minutes) Click this drop-down list to select the lock-out time in minutes.
Appendix Updating the Firmware Updating the firmware can be completed using either the USB interface or the web GUI. Atlona recommends using the web GUI for updating the firmware. However, if a network connection is not available, the AT-OME-ST31 firmware can be updated using a USB-A to USB mini-B cable. Using the Web GUI Requirements: • • • AT-OME-ST31 Firmware file Computer running Microsoft Windows 1.
Appendix 7. Click the OK button to begin the firmware update process. Click the Cancel button to cancel the process. 8. After the firmware update process is complete, the Login screen will be displayed. Using USB Requirements: • • • • AT-OME-ST31 Firmware file Computer running Windows USB-A to USB mini-B cable 1. Disconnect power from the AT-OME-ST31. 2. Connect a USB-A to USB mini-B cable between the PC and the firmware port on the AT-OME-ST31. The unit will be powered by the USB cable.
Appendix 3. The USB UPDATE folder will be displayed. If this folder is not displayed, automatically, select the USB UPDATE drive from Windows Explorer. 4. Delete all files from the USB UPDATE drive, if any are present. 5. Drag-and-drop the firmware file to the drive. 6. After the file has been copied, disconnect the USB cable from both the computer and the AT-OME-ST31. 7. The firmware update process is complete.
Appendix Default Settings The following tables list the factory-default settings, as defined in the web GUI, for the AT-OME-ST31. Web GUI Page Setting Default Value Login Username Password admin Atlona AV Settings Input Selection Auto Switch mode Fallback Input Fallback Time (Sec.
Appendix Web GUI Page Setting Default Value System IP Mode IP Netmask Gateway Telnet Port Telnet Login Mode Telnet Timeout Status Broadcast Maximum Retry Connection System Lock Time Hostname Power Lock DHCP 192.168.1.254 255.255.255.0 192.168.1.
Appendix Mounting Instructions The AT-OME-ST31 includes two mounting brackets, which can be used to attach the unit to any flat surface. Use the two enclosure screws, on the sides of the unit to attach the mounting brackets. 1. Using a small Phillips screwdriver, remove the two screws from the left side of the enclosure. T31 E-S -OM AT T TES 1 2 3 R PW K LIN A EG OM T U INP FW TM 2.
Appendix 4. Repeat steps 1 and 2 to attach the second mounting bracket to the opposite side of the unit. 5. Mount the unit to a flat surface using the oval-shaped holes, on each mounting bracket. If using a drywall surface, a #6 drywall screw is recommended.
Appendix Specifications Connectors, Controls, and Indicators HDMI IN 2 - Type A, 19-pin female HDMI OUT 1 - Type A, 19-pin female USB-C* 1 - USB Type-C v3.1, 24-pin female HDBaseT OUT 1 - RJ45 LAN 1 - RJ45 RS-232 1 - 3-pin captive screw (bidirectional) AUDIO IN 1 - 3.
Appendix Signal Maximum TMDS Clock 600 MHz (300 MHz over HDBaseT) HDMI HDMI 2.0* HDBaseT 10 Gbps † CEC Support Yes HDCP 2.2 * 18 Gbps supported for HDMI 2.0 output. † HDBaseT output limited to 10 Gbps.
Index A Audio external analog audio 18 muting 18 C CEC compatibility 32 Configuration IP auto IP mode 13 setting the IP address 12 switching the IP mode 12 Connection diagram 11 instructions 10 Contents package 8 table of 7 Customer support 3 D Default settings 43 Description front / rear panel 9 F FCC statement 6 Features 8 Firmware displaying 29 updating using the web GUI 40 using USB 41 G Gateway setting 38 H HDCP control 17 I Index 49 Input switching automatic 16 manual 15 AT-OME-ST31 IP configu
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