4K/UHD Dual-Distance 8x8 HDMI to
HDBaseT Matrix Switcher with PoE
AT-UHD-PRO3-88M
User Manual
Please check http://www.atlona.
com/UHD-PRO3-88M.html
for the most recent firmware
update or manual.
Toll free: 1-877-536-3976
atlona.com
Local: 1-408-962-0515
Table of Contents
1. Introduction ................................................................................. 3
2. Package Contents ................................................................................. 3
3. Features ................................................................................. 3
4. Before You Start ................................................................................. 3
5. Panel Descriptions
• Front Panel ................................................................................. 4
• Back Panel ................................................................................. 5
6. Rack Mounting ................................................................................. 5
7. Category Cable ................................................................................. 6
8. Captive Screw Audio ................................................................................. 7
9. Connection Diagram ................................................................................. 8
10. Button Set Up ................................................................................. 9-12
11. WebGUI ................................................................................. 13-20
12. RS-232 ................................................................................. 21-23
13. IR Remote Control ................................................................................. 23
14. Captive Screw ................................................................................. 24
15. Specifications ................................................................................. 25
16. Safety Information ................................................................................. 26
17. Warranty ................................................................................. 27-28
18. Atlona Product Registration ................................................................................. 28
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Introduction
The 4K/UHD Dual-Distance 8x8 HDMI to HDBaseT Matrix Switcher with PoE is a multi zone switcher
with long distance and extended distance ports, multiple control options, supports HDCP 2.2, and
multi-channel audio up to Dolby Atmos.
Package Contents
• 1 x AT-UHD-PRO3-88M
• 14 x 4 pin captive screw female connector
(4 x IR IN, 4 x IR OUT, 6 x Audio OUT)
• 1 x 5 pin captive screw female connector - IR (2 pin), RS-232 (3 pin)
• 1 x IEC C13 power cable
• 1 x IR Remote control
• 1 x Pair of rack mount ears
• 1 x User Manual
Features
• Dual-distance HDBaseT ports for up to 100 meters (328 feet)
• Two HDMI outputs which can be set to mirror or matrix mode
• PoE (Power over Ethernet) to power up to eight compatible PoE EX series receivers
(Ex. AT-UHD-EX-100CE-RX or AT-UHD-EX-70C-RX)
• EDID learning for up to 10 video displays
• Built in internal EDID mode provides 12 unique EDIDs to ensure compatibility
• Multiple control options such as RS-232, IR, TCP/IP, WebGUI, and front panel
• 2Ch audio de-embedding through captive screw ports
• Independent zone volume control, mute, and 5 band EQ for captive screw audio outputs
• HDCP 2.2 compliant
• Multi-channel audio pass through up to Dolby Digital Plus, Dolby TrueHD, DTS-HD Master Audio,
and Dolby Atmos
• Supports digital audio up to 24-bit, 192 kHz
• Internal international power supply
Before You Start
• Make sure when connecting a category cable a 568B termination method is used. See page 6 for
mores details.
• Use a component surge suppressor with line conditioning for best results.
Note: Atlona’s warranty does not cover damage due to electrical disturbances. A component surge
suppressor with line conditioning is highly suggested, especially in areas with electrical
storms.
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Panel Description
Front Panel
5 c d
4
AT-UHD-PRO3-88M
1
2 3
POWER
ENTER
FNC CANCEL
2
1
3
6 7 8
INFO
EDID
b
a
4
9 0
5
6
1. IR Receiver Window - Receives the signal from the included IR Hand Held Remote Control or 3rd
party controller
2. Function (FNC) Button - Select for command options. (blue backlight when selected)
a. EDID: Save/Load EDIDs to individual inputs
b. INFO: Displays the firmware, IP, and MAC address
c. 1: Save a single input to all the outputs with this function
d. 2: View additional matrix and output RS-232 baud information
3. Cancel Button - Within the function menu use this button to go back one screen or to return to
the home screen
Note: You cannot power off or change functions unless you return to the home screen
4. Power Button - Cycles the power between On (blue backlight) or Standby (red backlight) mode
5. Enter Button - Use to view current status for inputs and outputs or to confirm a command
6. Number buttons - Use these buttons to select input and output paths or use with the function
button to change matrix settings
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EDID
POWER
ENTER
FNC CANCEL
INFO
1
2 3
4
9 0
5
6 7 8
AT-UHD-PRO3-88M
Use only with a 250V fuse
GB20213746.5 CN568462
TWM215052US7019612B2
Back Panel
1 2 3
4
2
2 3 4
1
1
1 2 3 4 5 6 7 9 1 2 3 4 5 6 7 9 65
S
S
S S S
S S S
3
S SSS S S S
S
5 6 7 8 1ED 2ED 3ED 4ED 5 6
5 6
4
HDMI IN
21
L3R
IR OUTIR IN
R
4
L
L RL
R
L R
L
R
7
ZONE OUTPUTS
RS-232
IR IN
LAN
RXTXS
MAINAUDIO OUT
FW
FUSE: T 4A / 250V PWR: 100-240VAC 50/60Hz
9 10
8
PAT.
5 6 7 8 9 10 11
1. HDMI Input - Connect HDMI sources to these ports
Ex. DVD players, Blu-ray players, computers, game consoles, etc
2. Extended distance HDBaseT ports - Connect to extended distance EX receivers for pass through
of PoE, control, and A/V signals. Ex. AT-UHD-EX-100CE-RX
3. Long distance HDBaseT ports - Connect to long distance EX receivers for pass through
of PoE, control, and A/V signals. Ex. AT-UHD-EX-70C-RX
4. HDMI outputs - Mirror to provide a local output for HD audio routing to an AVR, or matrix the
ports to provide a local video output for in room displays or an HDBaseT extender set
Ex. AT-UHD-EX-100CE-KIT
5. IR IN - Use with a 3rd party IR control box to extend IR control commands to video displays over
category cable
6. IR OUT - Connect IR emitter here for controlling sources
7. Audio out - Captive screw analog audio loop outs for use with a sound system or multi-channel
zone amplifier
8. LAN port - Connect to a network for TCP/IP, WebGUI and firmware updates
9. FW port - USB not enabled at this time for future functionality
10. Main control - Connect IR or RS-232 control system to the matrix
11. Internal power supply - Connect included IEC C13 power cable from here to a power outlet.
Rack Mounting
POWER ENTER
FNC
To rack mount the UHD-PRO3 unit:
use the rack mount ears, the 6
screws from the sides of the UHDPRO3, and 4 rack screws.
To affix the rack mount ears,
POWER ENTER
FNC
2 3
0
8
9
6
7
INFO
CANCEL
EDID
remove the three screws on each
side of the UHD-PRO3 and affix
5
4
1
the rack ears to the UHD-PRO3 (as
shown in the picture to the left).
Place the UHD-PRO3 in the rack,
lining the holes in the rack ears with
1
5
2 3
8
940
6
7
INFO
CANCEL
EDID
the holes in the rack. Once placed,
use the rack screws to keep the unit
in place. (as shown in the picture to
the left).
Note: Increase the air flow as needed
to maintain the recommended
temperature inside the rack.
Note: Do not exceed maximum weight
loads for the rack. Install heavier
equipment in the lower part of
the rack for stability.
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Category Cable
For the category cables used in the installation of these products, please be sure to use a 568B
termination as pictured below:
1. White - Orange
2. Orange
3. White - Green
4. Blue
5. White - Blue
6. Green
7. White - Brown
8. Brown
Use the table below to verify the best category cable for the installation.
Performance Rating Type of LAN cable
Wiring Shielding CAT5e/6 CAT6a/7
Solid
Stranded - Patch
cable
(Not recommended)
Termination Please use EIA/TIA-568-B termination
Shielded (STP/FTP)
UnShielded (UTP) ** N/A
Unshielded (UTP) * N/A
Shielded (STP/FTP)
*** ****
* N/A
Important! 4K (UHD) signals are sensitive to cable quality and installation technique. It is recommended to
use CAT6a/7 solid core cables for best results.
Note: For cable distances see the specifications on page 25
Connector
Connector type and size is very important to ensure extenders work correctly. Please use the
matching cable type with the correct RJ45 connector.
CAT5e and CAT 6 cables should use only CAT5e RJ45 connectors
CAT6a cables should use only CAT6a connectors
CAT7 cables should use only CAT7 connectors
Using the wrong size of connectors may result in interference causing loss of signal.
Important! “EZ RJ45 connectors” are not recommended with HDBaseT extenders. Doing so may result in
stray EMI/RFI signals to be picked up and interfere with audio and video transmission.
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Analog Audio
A captive screw analog audio connector is provided to ensure a more reliable and secure
connection. The captive screw connector supports unbalanced audio output.
Unbalanced audio connections use two wires for connection with consumer audio components.
Tip (+)
Sleeve ( Ground)
Note: Pin outs may vary, please refer to the audio device’s manual to ensure a correct connection.
Important! When terminating cables, please ensure exposed adjacent wires do not touch. This may result in
a short that can damage connected devices.
UNBALANCED
L / R
+
+
RCA
+ +
For an easier and time saving solution for analog audio, the optional Atlona Captive Screw Ready 2
Channel Unbalanced Audio Cable (AT-LC-CS-2CH-2M) features pre-stripped wires at one end and RCA
connectors at the other end. Purchase these at http://www.atlona.com
To connect these, use the red wire in the right positive port, the white wire in the left positive port,
and the black can be placed in either ground port.
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Toll free: 1-877-536-3976
Local: 1-408-962-0515
EDID
POWER
ENTER
FNC CANCEL
INFO
1
2 3
4
9 0
5
6 7 8
AT-UHD-PRO3-88M
Use only with a 250V fuse
GB20213746.5 CN568462
TWM215052US7019612B2
EDID
POWER
ENTER
FNC CANCEL
INFO
1
2 3
4
9 0
5
6 7 8
AT-UHD-PRO3-88M
Use only with a 250V fuse
GB20213746.5 CN568462
TWM215052US7019612B2
Connection Diagram
FW
LINK
POWER
AT-UHD-EX-100CE-RX
ETHERNET
FW
LINK
POWER
AT-UHD-EX-100CE-RX
ETHERNET
FW
LINK
POWER
AT-UHD-EX-70C-RX
RS-232
IR IN
IR OUT
HDBaseT IN
FW
LINK
POWER
AT-UHD-EX-70C-RX
Blu-ray player
Set top box
Game Console
Video
HDBaseT
Audio
Control
Game Console
Blu-ray player
Game Console
345
1
IDFACTORY
ZIGBEE 12V DC
RESTORE
2
IR OUT
Control System
Game Console
1
1
2
2 3 4
3
5 6 7 8 1ED 2ED 3ED 4ED 5 6
5 6
4
HDMI IN
1 2 3 4 5 6 7 9 1 2 3 4 5 6 7 9 65
1 2 3 4
COM
COM
NO
NC
SIG
+12V
+12V
GND
ETHERNET
S SSS S S S
S
COM
COM
NO
NO
NO
NC
NC
NC
RELAYS
WIFI 2
SIG
SIG
SIG
+12V
+12V
GND
GND
GND
CONTACTS
IR OUTIR IN
S
S
S S S
S S S
eSATADIGITAL
COMPONENT
WIFI 1
HDMI
COAX OUT
SERIAL 1
6
SERIAL 2
L
R
AUDIO IN
VIDEO OUT
AUDIO OUT
21
L3R
L RL
R
Router
1 2 3 4 5 6 7 8 9 10 11 12
GAIN
GAIN GAIN
GAIN
SPEAKERSPEAKER
+-+-+-+-+-+
1 2 3 4 5 6 7 8 9 10 11 12
GAIN GAIN
SPEAKER SPEAKER SPEAKER SPEAKER
Multi-channel Zone Amplifier
4
L
R
L
L R
R
2.4 5
ROUTER
i
1
2
3
4
-
AT-UHD-EX-100CE-RX
TX
S
P
RX
S
HDBaseT IN
RS-232
IR OUT
IR IN
7
8
HDMI OUT
9 10
ZONE OUTPUTS
RS-232
IR IN
RXTXS
LAN
MAINAUDIO OUT
FW
PAT.
FUSE: T 4A / 250V PWR: 100-240VAC 50/60Hz
S
TX
P
RX
S
AT-UHD-EX-70C-RX
AT-UHD-EX-100CE-RX
TX
S
P
RX
S
HDBaseT IN
RS-232
IR OUT
IR IN
HDMI OUT
AVR
HDMI OUT
Set top box
1
1
2
2 3 4
3
5 6 7 8 1ED 2ED 3ED 4ED 5 6
5 6
4
HDMI IN
1 2 3 4 5 6 7 9 1 2 3 4 5 6 7 9 65
SERIAL 1
SERIAL 2
S
COMPONENT
WIFI 1
HDMI
VIDEO OUT
S SSS S S S
IR OUTIR IN
COM
eSATADIGITAL
COAX OUT
L
R
+12V
AUDIO IN
AUDIO OUT
ETHERNET
1 2 3 4
COM
COM
COM
NO
NO
NO
NO
NC
NC
NC
NC
RELAYS
WIFI 2
SIG
SIG
SIG
+12V
+12V
SIG
+12V
GND
GND
GND
GND
CONTACTS
S
S
S S S
ZIGBEE 12V DC
RESTORE
Control System
S S S
345
1
IDFACTORY
6
2
IR OUT
21
L3R
R
4
L
L RL
R
2.4 5
i
1
2
3
4
Router
ROUTER
7
9 10
8
ZONE OUTPUTS
L
L R
R
RS-232
IR IN
RXTXS
LAN
MAINAUDIO OUT
FW
AT-UHD-EX-70C-RX
PAT.
FUSE: T 4A / 250V PWR: 100-240VAC 50/60Hz
S
TX
P
RX
S
HDBaseT IN
IR OUT
RS-232
IR IN
HDMI OUT
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Matrix Front Panel Functions
The AT-UHD-PRO3-88M’s front panel has 3 functions: I/O control, EDID, and matrix settings. The
following sections go over step by step setup & control.
I/O Control
To route an input to an output
I.E. Input 1 to output 2
home screen
AT-UHD-PRO3-88M
Select Input Number
Select output
Press enter to confirm
To route one input to all outputs
I.E. Input 1 to output 1 through 10
home screen
AT-UHD-PRO3-88M
Select Input Number
input selection
Select input
--->
output selection
--->
---> ---> --->
through
through
Select Function
--->
Enter to confirm
+
---> --->
--->
--->
Feedback =”Input # routed to
Output #”
Select Input to
--->
route to all Outputs
--->
input selection
through
Feedback = ”Input # saved to
--->
all outputs”
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