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Installation Guide

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OmniStream 122 Dual-Channel Networked AV Decoder

AT-OMNI-122

The Atlona 

OmniStream™ 122 (AT-OMNI-122)

 is a networked AV decoder with two independent 

channels of decoding for two OmniStream-encoded video streams up to 4K/UHD, as well as 

embedded audio and RS-232 control. OmniStream is designed for distributing AV over Gigabit 

Ethernet in enterprises and other large-scale installations. The OmniStream 122 features SMPTE 

VC-2 visually lossless compression with extremely low, sub-frame latency, as well as AES-

128 encryption and SMPTE 2022-5 forward error correction. For professional AV integration, it 

includes two HDMI outputs, 4K/UHD scaling for each output with 4:4:4 processing, aspect ratio 

control, multi-channel PCM audio downmixing, audio embedding and de-embedding, and more. 

This dual-channel decoder is housed in a half rack width enclosure and is ideal for high-density 

installations. With two Ethernet ports, the OmniStream 122 can also be integrated with duplicate 

AV streams delivered over two networks by the OmniStream 122 dual-channel decoder, for full 

system redundancy in mission-critical applications.

1 x AT-OMNI-122

1 x Phoenix terminal block, dual, 3-pin

1 x Phoenix terminal block, dual, 5-pin

1 x Wall/table mounting brackets

4 x Rubber feet

1 x Installation Guide

• 

OmniStream requires the Atlona Management System (AMS) which provides discovery, 

management, and configuration assistance.  AMS is a free application that can be 

downloaded from the Atlona web site at http://atlona.com/product/at-sw-ams/

• 

OmniStream uses mDNS as the discovery mechanism.  In order for mDNS to function 

properly, there must not be restrictions applied to the network.  VPN can be used to 

connect to a computer that is running AMS, on the same network.  However, VPN cannot 

be used when AMS is running on the local machine.

IMPORTANT

Visit http://www.atlona.com/product/AT-OMNI-122 for the latest firmware 

updates and User Manual.

Package Contents

Operating Notes

Summary of Contents for OmniStream 122

Page 1: ... for high density installations With two Ethernet ports the OmniStream 122 can also be integrated with duplicate AV streams delivered over two networks by the OmniStream 122 dual channel decoder for full system redundancy in mission critical applications 1 x AT OMNI 122 1 x Phoenix terminal block dual 3 pin 1 x Phoenix terminal block dual 5 pin 1 x Wall table mounting brackets 4 x Rubber feet 1 x ...

Page 2: ...ton and reboot the unit 5 HDMI OUT Connect HDMI cables from these ports to an HD display 6 Eth 1 Eth 2 Connect Ethernet cables from these ports to the Local Area Network LAN 7 RS 232 Use the included Phoenix terminal block to connect up to two RS 232 devices to this port 8 AUDIO 1 AUDIO 2 Connect the included Phoenix terminal blocks to embed audio on the output stream and or connect to an audio ou...

Page 3: ...tions The AT OMNI 122 provides the ability to embed analog audio on the output stream and output downmixed 2 channel PCM using the included dual five pin Phoenix block Use the top 5 pins to connect audio input sources Use the bottom five pins to connect to audio output devices 1 Use wire strippers to remove a portion of the cable jacket 2 Locate the included Phoenix block connectors Press the oran...

Page 4: ...DC power supply sold separately must be connected to the decoder 2 Connect HDMI cables from each HD Ultra HD display to the HDMI OUT ports on the decoder 3 If using RS 232 connect the 6 pin Phoenix terminal block to the RS 232 port on the decoder 4 The PWR indicator on the front panel display the power status of the decoder When the decoder is powered using either PoE or the optional 48V DC power ...

Page 5: ...acket use two of the included screws and attach them to the two holes directly below the enclosure screws as shown above 5 Repeat steps 1 through 4 to attach the second mounting bracket to the opposite side of the unit 6 Mount the unit using the oval shaped holes on each mounting bracket If using a drywall surface a 6 drywall screw is recommended 1 2 HDMI PWR 1 2 LINK DISPLAY INPUT ID VOLUME AT OM...

Page 6: ...address of the decoder 1 Launch the Atlona Management System app 2 Launch a web browser and enter localhost 8080 in the address field 3 Enter the login information on the AMS web page then click the Login button Login admin Password admin123 4 Under the Domain View panel locate the IP address for the decoder Decoders will be labeled as OMNI 122 Connection Diagram COM NC NO COM NC NO COM NC NO COM ...

Page 7: ...er When using an external power supply the PWR indicator will be red LINK indicator is red Connect an Ethernet cable to the Eth port Check the Ethernet cable for possible damage or loose connections OmniStream decoders are not displayed in AMS Verify that AMS and the decoder are on the same network If a DHCP server is not found within 60 seconds the decoder will be placed in Auto IP mode and assig...

Page 8: ...Installation Guide 8 Notes ...

Page 9: ...a Inc All other brand names and trademarks or registered trademarks are the property of their respective owners Pricing specifications and availability subject to change without notice Actual products product images and online product images may vary from images shown here Version 1 atlona com 408 962 0515 877 536 3976 ...

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