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Installation Guide

AT-OMNI-121

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OmniStream 121 Single-Channel Networked AV Decoder

AT-OMNI-121

The Atlona 

AT-OMNI-121

 is a networked AV decoder for HDMI / HDCP 2.2 output supporting 

resolutions up to 4K/60 4:4:4 and HDR (High Dynamic Range), plus audio embedding and 

de-embedding, and RS-232 or IR control pass-through. 

OmniStream

 is designed for high 

performance, flexible distribution of AV over standard, off-the-shelf Gigabit Ethernet switches 

in commercial audiovisual applications. The OMNI-121 decoder features the advanced VCx™ 

codec which delivers 4K/60 4:4:4 video from encode to decode, with artifact-free presentation of 

computer-generated content and fast-motion video, and ultra-low latency less than one frame. 

Additionally, the OMNI-121 features multiview window processing, with the ability to ingest up to 

four streams from AT-OMNI-111 encoders and display them simultaneously on a single screen. 

This decoder is housed in a half-width rack enclosure with front-to-back air flow, and is ideal for 

high-density, compact installation in distributed, multi-display installations.

1 x AT-OMNI-121

1 x Captive screw connector, 3-pin

1 x Captive screw connector, 5-pin

1 x Push spring connector, 6-pin

2 x Push spring connectors, 5-pin

1 x Wall/table mounting brackets

Package Contents

IMPORTANT

: Visit http://www.atlona.com/product/AT-OMNI-121 for the latest 

firmware updates and User Manual.

• 

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

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

Operating Notes

Содержание Atlona OmniStream AT-OMNI-121

Страница 1: ...ideo and ultra low latency less than one frame Additionally the OMNI 121 features multiview window processing with the ability to ingest up to four streams from AT OMNI 111 encoders and display them simultaneously on a single screen This decoder is housed in a half width rack enclosure with front to back air flow and is ideal for high density compact installation in distributed multi display insta...

Страница 2: ...anual for more information 4 REBOOT Use a pointed object to press this recessed button and reboot the unit 5 HDMI OUT Connect an HDMI cable from this port to a UHD HD display 6 ETHERNET Connect an Ethernet cable from this port to the Local Area Network LAN 7 RS 232 Use the included Euroblock push spring connector to connect an RS 232 device to this port 8 AUDIO IN OUT Connect the included Eurobloc...

Страница 3: ... using either PoE or the optional 48V DC power supply not included the LED initially turns red After a few moments it will turn amber and finally green Installation The AT OMNI 121 is powered by PoE Power over Ethernet when connected to a PoE capable switch If a PoE switch is not used then the optional 48 V power supply Atlona part no AT PS 48083 C can be purchased separately Insert the positive a...

Страница 4: ...tor can be used if desired in place of the captive screw connector Only the RS 232 1 port is available on the decoder RS 232 GND RX TX NOTE Typical DB9 connectors use pin 2 for TX pin 3 for RX and pin 5 for ground On some devices the function of pins 2 and 3 are reversed IR The same port that provides RS 232 connections also supports bidirectional IR pass through allowing a device to be controlled...

Страница 5: ...d 2 channel analog audio on the HDMI OUT port or de embed HDMI audio on the AUDIO OUT port De embedded HDMI audio is downmixed to 2 channel PCM This step is optional If AUDIO IN or AUDIO OUT will be used then connect the included 5 pin captive screw connectors as shown below If both AUDIO IN and AUDIO OUT ports will be used then connect the included 5 pin push spring connectors as shown below Audi...

Страница 6: ...ch the desired web browser and enter the IP address or domain name of the decoder in the address bar 2 Enter the username and password Note that the password field will always be masked The default credentials are Username admin Password Atlona 3 The System Information page will be displayed ...

Страница 7: ... provide added stability to the mounting bracket 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...

Страница 8: ...ty 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 English Declaration of Conformity The English version can be found under the resources tab at https atlona com product at omni 121 Warranty Chinese Declaration of Conformity 中国RoHS合格声明 To view the product war...

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