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Category Cable and Connector

For the category cables used in the installation of these products, please be sure to use a 568B 
termination as pictured below:

Connector type and size is very important to ensure extenders work correctly. Please use the 
matching cable type with the correct RJ45 connector. 

(

e.g.

 CAT 7 cable should use a CAT 7 connector)

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.

Captive Screw

The captive screw connectors allow you to cut cables to a suitable length, reducing cable clutter 
while providing a more reliable connection.

Connecting

The captive screw connectors have 
a contact bar that is adjusted to 
compress the wire against the top 
contact plate. Use the screws at the 
top of the connector to compress 
the wire against the contact plate.

When connecting the cables to the female captive screw connector it is important that the wires be 
terminated correctly. The female captive screw connector has a contact plate at the top and must 
have the wires touching it for signal to pass. When wired correctly 

(see picture A)

 the signal will pass, 

incorrectly 

(see picture B)

 no signal will pass.

Clockwise

Counter

Clockwise

Turn the screws clockwise to 
raise the contact bar to the 
upper contact plate and hold 
the wires in place.

Turn the screws counter 
clockwise to lower the 
contact bar to release the 
wires.

A

B

+

L          /          R

+

+

+

Tip (+)

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 one signal wire and a ground and are used if other system 
components don’t support balanced signals.

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.

XLR

RCA

Sleeve (    Ground)

2 ( + )

3 ( - )

1 (    )

Summary of Contents for AT-UHD-PRO3-88M

Page 1: ...Atmos 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 Rem...

Page 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 t...

Page 3: ...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 Audio outputs follow the correspondi...

Page 4: ...ecting the cables to the female captive screw connector it is important that the wires be terminated correctly The female captive screw connector has a contact plate at the top and must have the wires...

Page 5: ...ter and ground See picture 1 RS 232 Typical pin out 2 TX Transmitter 3 RX Receiver 5 GND Ground Pin out color will differ per RS 232 cable 1 5 4 3 2 9 8 7 6 1 RS 232 IR Two types of female captive scr...

Page 6: ...in the address bar of a web browser GUI IP Address press the FNC button on the front panel then consecutively press the INFO button until the IP address is shown on the front panel display Enter the I...

Page 7: ...T IN ETHERNET HDMI OUT AT UHD EX 100CE RX AT UHD EX 100CE RX Router Router AT UHD EX 70C RX AT UHD EX 70C RX Game Console Game Console NO NC COM NO NC COM NO NC COM NO NC COM GND SIG 12V GND SIG 12V G...

Page 8: ...m the router then it will use an IP address of 192 168 0 150 Check your setup to verify the connection to the network as well as the router s DHCP addressing 3 I am unable to get a 4K Blu ray player t...

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