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Installation Guide

AT-JUNO-451

4K HDR Four-Input HDMI Switcher with Auto-Switching and 

Return Optical Audio

AT-JUNO-451

1 x AT-JUNO-451

1 x 4-pin captive screw connector

2 x Mounting plates

4 x Rubber feet

4 x Screws

1 x DC 5V power supply

1 x IEC cord

Package Contents

The Atlona 

JunoX™ 451

 (

AT-JUNO-451

) is a 4×1 HDMI switcher for high dynamic range (HDR) 

formats. Part of the comprehensive family of Atlona 4K HDR integration products, it is HDCP 2.2 

compliant and supports 4K/UHD video @ 60 Hz with 4:4:4 chroma sampling, as well as HDMI 

data rates up to 18 Gbps. The JunoX 451 is ideal for residential applications with the latest as 

well as emerging 4K/UHD and HDR sources and displays. It includes EDID management features 

and automatic input switching. The JunoX 451 also supports the HDMI Audio Return Channel 

(ARC) for receiving digital audio from a television. A TOSLINK digital audio output is provided 

for sending ARC or de-embedded HDMI audio to an AV receiver or soundbar. This JunoX Series 

HDMI switcher can be controlled via Ethernet, RS-232, and IR.

IMPORTANT

: Visit https://www.atlona.com/product/AT-JUNO-451 for the 

latest firmware updates and User Manual.

NOTE:  

The AT-JUNO-451 no longer ships with an IR remote control. 

However, IR documentation remains for units currently in the field.

 

Содержание Atlona JunoX 451

Страница 1: ...tes up to 18 Gbps The JunoX 451 is ideal for residential applications with the latest as well as emerging 4K UHD and HDR sources and displays It includes EDID management features and automatic input switching The JunoX 451 also supports the HDMI Audio Return Channel ARC for receiving digital audio from a television A TOSLINK digital audio output is provided for sending ARC or de embedded HDMI audi...

Страница 2: ... an HD UHD source to each of these HDMI ports 7 HDMI OUT Connect an HDMI cable from this port to a display or other sink device This output supports multichannel audio 8 OPTICAL Connect an optical audio cable from this TOSLINK port to an audio output device This port can be used as part of the Audio Return Channel ARC Refer to the User Manual for more information 9 RS 232 IR IN Connect the include...

Страница 3: ...orque devices as this may damage the screws and or connector The IR remote control that can be used to operate the unit from a remote location GND to control system or AT VCC IR KIT RX TX S GND IR Remote Control SW R1 Video 1 Video Video 2 All On Power Vol Vol Mute 1 3 2 4 5 Input Audio On Off On Off On Off 1 On Off buttons Press the On button to power on the unit Press the Off button to power off...

Страница 4: ...are not recommended due to performance issues 6 Connect the included 5 V DC power supply to the DC 5V power receptacle 7 Connect the power supply to an available electrical outlet POWER 1 2 3 4 INPUT INPUT FW 1 2 3 4 HDMI IN HDMI OUT OPTICAL AT JUNO 451 RS 232 IR IN LAN DC 5V TX S RX 1 2 3 4 5 6 IP Configuration By default the AT JUNO 451 is set to DHCP mode allowing a DHCP server if present to as...

Страница 5: ...formation on the Login page Login root Password Atlona 7 Click the Login button For easy configuration of Atlona devices Velocity Device Manager is available from https atlona com velocity device manager for free Two options can be used for installation The free Linux based software download or the easy to install server hardware AT VGW HW Once Velocity Device Manager has been set up 1 Open a brow...

Страница 6: ...the enclosure with one set of holes on the mounting bracket 3 Use the screws from Step 1 to attach the mounting bracket 4 Repeat steps 1 and 2 to attach the second mounting bracket to the opposite side of the unit 5 Mount the unit to a flat surface using the oval shaped holes on each mounting bracket If using a drywall surface a 6 drywall screw is recommended PO WER INPU T FW 1 2 3 4 INPU T AT JUN...

Страница 7: ...7 Installation Guide AT JUNO 451 Notes ...

Страница 8: ...ity 中国RoHS合格声明 To view the product warranty use the following link or QR code https atlona com warranty 由SKU列出於 https atlona com about us china rohs 2023 Atlona Inc All rights reserved Atlona and the Atlona logo are registered trademarks of Atlona Inc All other brand names and trademarks or registered trademarks are the property of their respective owners Pricing specifications and availability su...

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