Atlona OmniStream 122 Installation Manual
Installation Guide
1
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 AES128 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 conguration 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 rmware
updates and User Manual.
Package Contents
Operating Notes
Installation Guide
2
1 2
LINK
PWR
ID
AT-OMNI-122
Eth 1
Eth 2
RS-232
AUDIO
Out
In
L
1
R L
2
R
DC 48V
RX
TX
HDMI OUT
1 PWR
This LED indicator is green when the unit
is powered.
2 LINK 1 / LINK 2
These LED indicators show the active
input status.
3 ID
Press this button to identify the unit within
the AMS software.
4 REBOOT
Use a pointed object to press this
recessed button 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 output
device.
9 DC 48V
Connect the optional 48V DC power
supply to this power receptacle. This
power supply is available, separately.
Panel Descriptions
1 2 3 4
7
6 85 9
Installation Guide
3
1 2
3
1 2
3
GND GND
+
-
+
-
1 2
3
1 2
3
GND GND
+
-
+
-
The AT-OMNI-122 provides RS-232 over IP which allows communication between an automation
system and an RS-232 device. This step is optional.
1. Use wire strippers to remove a portion of the cable jacket.
2. Remove at least 3/16” (5 mm) from the insulation of the RX, TX, and GND wires.
3. Insert the TX, RX, and GND wires into correct terminal on the included Phoenix block. If
using non-tinned stranded wire, presss the orange tab, above the terminal, while inserting
the exposed wire. Repeat this step for the TX, RX, and GND connections..
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 ve-pin Phoenix block. Use the top 5 pins
to connect audio input sources. Use the bottom ve 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 orange tab, above the terminal,
while inserting the exposed wire. Release the orange tab to lock the wire in place.
Balanced or unbalanced audio can be used.
NOTE: Typical DB9 connectors use pin 2 for TX, pin 3 for RX, and pin 5 for ground.
On some devices functions of pins 2 and 3 are reversed.
Push tab
to unlock
Balanced audio
Unbalanced audio
RS-232
Audio
Push tab
to unlock
GND
RX
TX
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