Installation Guide
OmniStream 111 Single-Channel Networked AV Encoder
AT-OMNI-111
The Atlona OmniStream™ 111 (AT-OMNI-111) is a networked AV encoder for one HDMI
source up to 4K/UHD, plus embedded audio and RS-232 control. OmniStream is designed
for distributing AV over Gigabit Ethernet in enterprises and other large-scale installations. The
OmniStream 111 features SMPTE VC-2 visually lossless compression for critical-quality video
applications, with extremely low, sub-frame latency from encode to decode. It also includes
selectable AES-128 encryption, and SMPTE 2022-5 forward error correction for robust AV
distribution spanning multiple networks. This encoder is housed in a half-rack width enclosure.
The OmniStream 111 can conveniently be powered over the network through Power over
Ethernet (PoE), as well as from local AC power.
AT-OMNI-111
Package Contents
1 x AT-OMNI-111
1 x Push spring connector, 6-pin
1 x Wall/table mounting brackets
4 x Rubber feet
1 x Installation Guide
Operating Notes
• 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-111 for the latest rmware
updates and User Manual.
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Panel Descriptions
1
2 3 4
Installation Guide
AT-OMNI-111
PWR
OMNISTREAM
HDMI IN
AT-OMNI-111
HDMI
TM
LINK
ETHERNET
1 PWR
This LED indicator glows bright green when
the unit is powered.
2 HDMI
This LED indicator shows the input status.
3 LINK
This LED indicator shows the link status of
the encoder.
4 REBOOT
Use a small, pointed object to press this
recessed button and reboot the unit.
5 HDMI IN
Connect an HDMI cable from this port to an
HD source.
TX
RX
1
RS-232
765 8
6 ETHERNET
Connect an Ethernet cable from this port to
the Local Area Network (LAN).
7 RS-232
Use the included captive screw connector
to connect an RS-232 controller or
automation system. Refer to RS-232 on
page 3 for more information.
8 DC 48V
Connect the included 48V DC power supply
to this receptacle.
DC 48V
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Installation Guide
AT-OMNI-111
RS-232
The AT-OMNI-111 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 push spring
connector, following the wiring diagram below. If using non-tinned stranded wire, press the
orange tab, above the terminal, while inserting the exposed wire.
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.
TX
Push tab
to unlock
RX
GND
Installation
1. Connect an Ethernet cable from the ETHERNET port on the encoder to a PoE-capable
switch on the Local Area Network (LAN). Note that if a PoE-capable switch is not available,
the 48V DC power supply (sold separately) must be connected to the encoder.
2. Connect an HDMI cable from an HD/Ultra HD source to the HDMI port on the encoder.
3. If using RS-232, connect the 6-pin captive screw connector to the RS-232 port on the
encoder.
4. The PWR indicator, on the front panel, display the power status of the encoder. When the
encoder is powered, 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 nally green.
O
MNISTREAM
PWR
HDMI
TM
LINK
PWR indicator
3
1
2
HDMIPWR
1
2
LINK DISPLAY INPUT ID
VOLUME
AT-OMNI-112
1
2
HDMIPWR
1
2
LINK DISPLAY INPUT ID
VOLUME
AT-OMNI-112
1
2
HDMI
1
2
LINK DISPLAY INPUT ID
VOLUME
Mounting Instructions
The AT-OMNI-111 encoder includes two
mounting brackets and four mounting screws,
which can be used to attach the unit to any at
surface.
1. Using a small Phillips screwdriver, remove
the two screws from the left side of the
enclosure.
2. Position one of the mounting brackets, as
shown below, aligning the holes on the
side of the enclosure with one set of holes
on the mounting bracket.
3. Use the enclosure screws to secure the
mounting bracket to the enclosure.
Included screws
Installation Guide
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.
NOTE: Mounting brackets can
also be inverted to mount the
unit under a table or other at
surface.
PWR
AT-OMNI-112
AT-OMNI-111
4. To 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.
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Installation Guide
AT-OMNI-111
Conguration
By default, the AT-OMNI-111 is set to DHCP mode. In this mode, each encoder that is
connected to the Local Area Network (LAN) will automatically be assigned an IP address by
the DHCP server, allowing communication with AMS. AMS will only be able to discover the
encoders if they are on the same VLAN. Refer to the User Manual for details on conguring
encoders to static IP mode.
To determine the IP address of the encoder, use the Atlona Management System (AMS) app.
AMS is available only for the Windows® Operating Sytem. If necessary, mDNS/Bonjour can also
be used to discover the IP address of the encoder.
1. Launch the Atlona Management System app.
2. Launch a web browser and enter localhost:8080 in the address eld.
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 encoder. Single-channel
OmniStream encoders will be labeled as OMNI-111.
Connection Diagram
OmniStream 111
Encoder
Automation
NO
COM
NC
2 3 4
NO
COM
NC
1
NO
COM
NC
Control System
NO
COM
NC
GND
+12V
SIG
GND
+12V
SIG
GND
+12V
SIG
GND
+12V
SIG
ETHERNET
L
DIGITAL
R
COAX OUT
AUDIO OUT AUDIO IN
Control
OR
LAN
COMPONENT
HDMI
VIDEO OUT
SERIAL 1
5
3
6
1
SERIAL 2
4
FACTORY
2
RESET
IR OUT
48V DC
DC 48V
TX
1
RX
RS-232
ETHERNET
HDMI IN
AT-OMNI-111
2
Control
Ethernet
Video
Laptop
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Troubleshooting
Problem Solution
Installation Guide
AT-OMNI-111
PWR indicator is o. • If using a PoE (Power-over-Ethernet) switch, make
LINK indicator is red. • Connect an Ethernet cable to the ETHERNET port.
OmniStream encoders are
not displayed in AMS.
sure that the port on the switch that is connected to
the encoder, has PoE enabled. When the encoder is
powered using PoE, the PWR indicator will be green.
• Check the Ethernet cable for possible damage or loose
connections.
• Connect the optional 48V DC power supply (available
from atlona.com) to the encoder. When using an external
power supply, the PWR indicator will be red.
• Check the Ethernet cable for possible damage or loose
connections.
• Verify that AMS and the encoder are on the same
network.
• If a DHCP server is not found within 60 seconds, the
encoder will be placed in Auto IP mode and assigned
an IP address within the range of 169.254.xxx.xxx. If
so, then connect a laptop directly to the encoder and
congure a static IP address for the encoder.
• Check the Ethernet cable for possible damage or loose
connections.
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Notes
Installation Guide
AT-OMNI-111
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Installation Guide
AT-OMNI-111
Version 1
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