Panduit ATLONA Omega AT-OME-MH21 Installation Manual
4k/uhd two-input switcher for hdmi and usb with usb hub
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Omega 4K/UHD Two-Input Switcher
for HDMI and USB with USB Hub
AT-OME-MH21
The Atlona AT-OME-MH21 is a compact, versatile switcher with HDMI and USB-C inputs. It is
equipped with features for complete AV integration in huddle rooms and small meeting spaces,
including automatic switching and display control, audio de-embedding, and a USB 3.0 hub
for video conferencing peripherals or touch displays. Part of the Omega™ Series of integration
products for modern AV communications and collaboration, the OME-MH21 is HDCP 2.2
compliant and supports 4K HDR and 4K/60 4:4:4 at HDMI data rates up to 18 Gbps. Additionally,
4K downscaling to 1080p @ 60, 30, or 24 Hz is available when connected to an HD display.
The OME-MH21 includes USB 3.0 and USB-C interfaces for two host PCs, plus two peripheral
devices such as a camera, microphone, speakerphone, touch-enabled display, or keyboard and
mouse.
Package Contents
1 x AT-OME-MH21
1 x USB-C cable
1 x IR emitter
1 x 5-pin captive screw connector
1 x 4-pin captive screw connector
2 x Mounting brackets
4 x Mounting screws
4 x Rubber feet
1 x 5 V DC power supply
1 x IEC power cord
1 x Installation Guide
IMPORTANT: Visit http://www.atlona.com/product/AT-OME-MH21 for the latest firm-
ware updates and documentation.
1
Installation Guide
AT-OME-MH21
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Table of Contents
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Summary of Contents for Panduit ATLONA Omega AT-OME-MH21
- Page 1 Installation Guide AT-OME-MH21 Omega 4K/UHD Two-Input Switcher for HDMI and USB with USB Hub AT-OME-MH21 The Atlona AT-OME-MH21 is a compact, versatile switcher with HDMI and USB-C inputs. It is equipped with features for complete AV integration in huddle rooms and small meeting spaces, including automatic switching and display control, audio de-embedding, and a USB 3.0 hub for video conferencing peripherals or touch displays.
- Page 2 Installation Guide AT-OME-MH21 Panel Descriptions Front AT-OME-MH21 IP MODE OMEGA DISPLAY INPUT RESET SHOW IP AT-OME-MH21 This LED indicator glows solid green when the unit is powered. INPUT OUTPUT USB HUB HOST USB RS-232 IR OUT DC 5V DISPLAY Press and release this button to toggle power on the connected display. INPUT Press and release this button to toggle between the HDMI and USB-C input.
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Page 3: Panel Descriptions
Installation Guide AT-OME-MH21 AT-OME-MH21 Panel Descriptions IP MODE OMEGA DISPLAY INPUT RESET SHOW IP Rear AT-OME-MH21 INPUT OUTPUT USB HUB HOST USB RS-232 IR OUT DC 5V INPUT Connect a USB-C source to the USB-C port. Connect an HDMI cable from the HDMI port to a UHD/HD source. -
Page 4: Audio Output Connector
Installation Guide AT-OME-MH21 Audio Output Connector The AT-OME-MH21 provides two-channel LPCM audio de-embedding of the source device, using a dedicated audio output port. Unbalanced Side View Side View Balanced Rear View Rear View Use wire strippers to remove a portion of the cable jacket. Remove at least 3/16”... - Page 5 Installation Guide AT-OME-MH21 RS-232 and IR The AT-OME-MH21 provides control using RS-232 and/or IR. This step is optional. Use wire strippers to remove a portion of the cable jacket. Remove at least 3/16” (5 mm) from the insulation of the RX, TX, and GND wires for the RS- 232 connection.
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Page 6: Installation
Installation Guide AT-OME-MH21 Installation Connect a USB-C device to the INPUT 1 port. Connect an HDMI cable from the INPUT 2 port to a UHD/HD source device. Connect an HDMI cable from the HDMI OUTPUT port to a display device. OPTIONAL: Connect an audio output device to this port using the included captive screw block. -
Page 7: Mounting Instructions
Installation Guide AT-OME-MH21 Mounting Instructions The AT-OME-MH21 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. Using a small Phillips screwdriver, remove the two screws from the left side of the enclosure. -
Page 8: Dhcp Mode
Installation Guide AT-OME-MH21 IP Configuration The AT-OME-MH21 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-MH21 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. -
Page 9: Resetting To Factory Defaults
Installation Guide AT-OME-MH21 Resetting to Factory-Defaults To reset the AT-OME-MH21 to factory-default settings, press and hold the RESET button for approximately 5 seconds. Release the button when the RESET LED indicator begins to flash. The LED indicator will flash three times to indicate that the reset procedure has completed. RESET button AT-OME-MH21 IP MODE... -
Page 10: Front Panel Led Indicators
Installation Guide AT-OME-MH21 Front Panel LED Indicators The LED indicators on both the front and rear of the unit provide basic information on the current status of the unit. Description Solid green Unit is receiving power using the optional 24 V DC power supply. - Page 11 Installation Guide AT-OME-MH21 Notes...
- Page 12 Installation Guide AT-OME-MH21 English Declaration of Conformity The English version can be found under the resources tab at: https://atlona.com/product/at-ome-mh21/. Chinese Declaration of Conformity 中国RoHS合格声明 由SKU列出於: https://atlona.com/about-us/china-rohs/. ® The terms HDMI, HDMI High-Definition Multimedia Interface, and the HDMI Logo are trademarks or registered trademarks of HDMI licensing Administrator, Inc.
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