AT-JUNO-451-HDBT - HDMI switch Atlona - Free user manual and instructions

Product Type	HDBaseT Switcher / Extender
Model	AT-JUNO-451-HDBT
Brand	Atlona
Inputs	4 x HDMI
Output	1 x HDBaseT (RJ45)
Maximum Resolution	4K@60Hz 4:4:4
HDMI Version	2.0b
HDCP Support	HDCP 2.2
Power Supply	100-240V AC, 50/60Hz, external adapter
Dimensions (W x D x H)	17.32 x 4.13 x 1.73 in (440 x 105 x 44 mm)
Weight	3.5 lb (1.6 kg)
Operating Temperature	32°F to 104°F (0°C to 40°C)
HDBaseT Distance	Up to 328 ft (100 m) at 4K
PoE	Power over HDBaseT to receiver
Control	IR, RS-232, Ethernet pass-through
Mounting	Rackmount ears included
Maintenance	Wipe with dry cloth; no liquids
Safety	Keep away from moisture and heat sources
Spare Parts / Repairability	Not user-serviceable; contact support

Frequently Asked Questions - AT-JUNO-451-HDBT Atlona

What is the maximum resolution supported by the AT-JUNO-451-HDBT?

The AT-JUNO-451-HDBT supports 4K@60Hz 4:4:4 resolution with HDMI 2.0b and HDCP 2.2.

How far can I transmit video using HDBaseT?

HDBaseT transmission distance is up to 328 feet (100 meters) at 4K resolution over a single Cat5e/6 cable.

Does the device support Power over HDBaseT (PoE)?

Yes, it provides PoE to power a compatible HDBaseT receiver, eliminating the need for a separate power supply at the display.

Can I control the switcher remotely?

Yes, it supports IR, RS-232, and Ethernet pass-through for remote control and integration with automation systems.

What type of HDMI inputs does it have?

It has 4 HDMI inputs that can accept sources like Blu-ray players, game consoles, and streaming devices.

Is the AT-JUNO-451-HDBT rackmountable?

Yes, it comes with rackmount ears for standard 19-inch rack installation, occupying 1U of space.

How do I clean and maintain the device?

Use a soft, dry cloth to wipe the exterior. Never use liquids or abrasive cleaners. Keep vents clear of dust.

What power supply does it require?

It uses an external power adapter with 100-240V AC input, 50/60Hz. The adapter is included.

Can I extend audio separately?

Audio is embedded in the HDMI signal and transmitted over HDBaseT. The device supports multi-channel audio including Dolby TrueHD and DTS-HD.

What should I do if the device is not working?

First, check all cable connections and power. Ensure the HDBaseT cable is Cat5e or better and terminated correctly. If issues persist, contact Atlona support.

USER MANUAL AT-JUNO-451-HDBT Atlona

Four-Input HDMI and HDBaseT™ Switcher with Auto-Switching and Return Optical Audio

Version Information

Version Release Date Notes
1 Jun 2018 Initial release
2 Jul 2019 Added missing factory-default setting information
3 Sep 2019 Updated for 1.0.03 firmware

Welcome to Atlona!

Thank you for purchasing this Atlona product. We hope you enjoy it and will take an extra few moments to register your new purchase.

Registration only takes a few minutes and protects this product against theft or loss. In addition, you will receive notifications of product updates and firmware. Atlona product registration is voluntary and failure to register will not affect the product warranty.

To register your product, go to http://www.atlona.com/registration

Sales, Marketing, and Customer Support

Main Office

Atlona Incorporated

70 Daggett Drive

San Jose, CA 95134

United States

Office: +1.877.536.3976 (US Toll-free)

Office: +1.408.962.0515 (US/International)

Sales and Customer Service Hours

Monday - Friday: 6:00 a.m. - 4:30 p.m. (PST)

http://www.atlona.com/

International Headquarters

Atlona International AG

Ringstrasse 15a

8600 Dübendorf

Switzerland

Office: [phone]

Sales and Customer Service Hours

Monday - Friday: 09:00 - 17:00 (UTC +1)

Operating Notes

IMPORTANT: Visit http://www.atlona.com/product/AT-JUNO-451-HDBT for the latest firmware updates and User Manual.

NOTE: For HDR and 4K/60 4:4:4 content (HDMI data rates exceeding 10 Gbps), the AT-JUNO-451-HDBT is not compatible with transmitters for the AT-HDR-EX-70-2PS, AT-HDR-EX-70C-KIT, or AT-HDR-EX-100CEA-KIT.

Atlona, Inc. ("Atlona") Limited Product Warranty

Coverage

Atlona warrants its products will substantially perform to their published specifications and will be free from defects in materials and workmanship under normal use, conditions and service.

Under its Limited Product Warranty, Atlona, at its sole discretion, will either:

- repair or facilitate the repair of defective products within a reasonable period of time, restore products to their proper operating condition and return defective products free of any charge for necessary parts, labor and shipping.

OR

- replace and return, free of charge, any defective products with direct replacement or with similar products deemed by Atlona to perform substantially the same function as the original products.

OR

- refund the pro-rated value based on the remaining term of the warranty period, not to exceed MSRP, in cases where products are beyond repair and/or no direct or substantially similar replacement products exist.

Repair, replacement or refund of Atlona products is the purchaser's exclusive remedy and Atlona liability does not extend to any other damages, incidental, consequential or otherwise.

This Limited Product Warranty extends to the original end-user purchaser of Atlona products and is non-transferrable to any subsequent purchaser(s) or owner(s) of these products.

Coverage Periods

Atlona Limited Product Warranty Period begins on the date of purchase by the end-purchaser. The date contained on the end-purchaser 's sales or delivery receipt is the proof purchase date.

Limited Product Warranty Terms – New Products

• 10 years from proof of purchase date for hardware/electronics products purchased on or after June 1, 2013.
• 3 years from proof of purchase date for hardware/electronics products purchased before June 1, 2013.
• Lifetime Limited Product Warranty for all cable products.

Limited Product Warranty Terms - Refurbished (B-Stock) Products and Discontinued Products

- 3 years from proof of purchase date for all Refurbished (B-Stock) and Discontinued hardware and electronic products purchased on or after June 1, 2013.

Remedy

Atlona recommends that end-purchasers contact their authorized Atlona dealer or reseller from whom they purchased their products. Atlona can also be contacted directly. Visit atlona.com for Atlona's contact information and hours of operation. Atlona requires that a dated sales or delivery receipt from an authorized dealer, reseller or end-purchaser is provided before Atlona extends its warranty services. Additionally, a return merchandise authorization (RMA) and/or case number, is required to be obtained from Atlona in advance of returns.

Atlona requires that products returned are properly packed, preferably in the original carton, for shipping. Cartons not bearing a return authorization or case number will be refused. Atlona, at its sole discretion, reserves the right to reject any products received without advanced authorization. Authorizations can be requested by calling 1-877-536-3976 (US toll free) or 1-408-962-0515 (US/international) or via Atlona's website at atlona.com.

Exclusions

This Limited Product Warranty excludes:

- Damage, deterioration or malfunction caused by any alteration, modification, improper use, neglect, improper packaging or shipping (such claims must be presented to the carrier), lightning, power surges, or other acts of nature.

Atlona, Inc. ("Atlona") Limited Product Warranty

• Damage, deterioration or malfunction resulting from the installation or removal of this product from any installation, any unauthorized tampering with this product, any repairs attempted by anyone unauthorized by Atlona to make such repairs, or any other cause which does not relate directly to a defect in materials and/or workmanship of this product.
• Equipment enclosures, cables, power supplies, batteries, LCD displays, and any accessories used in conjunction with the product(s).
• Products purchased from unauthorized distributors, dealers, resellers, auction websites and similar unauthorized channels of distribution.

Disclaimers

This Limited Product Warranty does not imply that the electronic components contained within Atlona's products will not become obsolete nor does it imply Atlona products or their electronic components will remain compatible with any other current product, technology or any future products or technologies in which Atlona's products may be used in conjunction with. Atlona, at its sole discretion, reserves the right not to extend its warranty offering in instances arising outside its normal course of business including, but not limited to, damage inflicted to its products from acts of god.

Limitation on Liability

The maximum liability of Atlona under this limited product warranty shall not exceed the original Atlona MSRP for its products. To the maximum extent permitted by law, Atlona is not responsible for the direct, special, incidental or consequential damages resulting from any breach of warranty or condition, or under any other legal theory. Some countries, districts or states do not allow the exclusion or limitation of relief, special, incidental, consequential or indirect damages, or the limitation of liability to specified amounts, so the above limitations or exclusions may not apply to you.

Exclusive Remedy

To the maximum extent permitted by law, this limited product warranty and the remedies set forth above are exclusive and in lieu of all other warranties, remedies and conditions, whether oral or written, express or implied. To the maximum extent permitted by law, Atlona specifically disclaims all implied warranties, including, without limitation, warranties of merchantability and fitness for a particular purpose. If Atlona cannot lawfully disclaim or exclude implied warranties under applicable law, then all implied warranties covering its products including warranties of merchantability and fitness for a particular purpose, shall provide to its products under applicable law. If any product to which this limited warranty applies is a “Consumer Product” under the Magnuson-Moss Warranty Act (15 U.S.C.A. §2301, ET SEQ.) or other applicable law, the foregoing disclaimer of implied warranties shall not apply, and all implied warranties on its products, including warranties of merchantability and fitness for the particular purpose, shall apply as provided under applicable law.

Other Conditions

Atlona's Limited Product Warranty offering gives legal rights, and other rights may apply and vary from country to country or state to state. This limited warranty is void if (i) the label bearing the serial number of products have been removed or defaced, (ii) products are not purchased from an authorized Atlona dealer or reseller. A comprehensive list of Atlona's authorized distributors, dealers and resellers can be found at www.atlona.com.

Important Safety Information

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

CAUTION: TO REDUCT THE RISK OF

ELECTRIC SHOCK

DO NOT OPEN ENCLOSURE OR EXPOSE

TO RAIN OR MOISTURE.

NO USER-SERVICEABLE PARTS

INSIDE REFER SERVICING TO

QUALIFIED SERVICE PERSONNEL.

The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance instructions in the literature accompanying the product.

The information bubble is intended to alert the user to helpful or optional operational instructions in the literature accompanying the product.

1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this product near water.
6. Clean only with a dry cloth.
7. Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.

8. Do not install or place this product near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.

9. Do not defeat the safety purpose of a polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.

10. Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the product.
11. Only use attachments/accessories specified by Atlona.
12. To reduce the risk of electric shock and/or damage to this product, never handle or touch this unit or power cord if your hands are wet or damp. Do not expose this product to rain or moisture.
13. Unplug this product during lightning storms or when unused for long periods of time.
14. Refer all servicing to qualified service personnel. Servicing is required when the product has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the product, the product has been exposed to rain or moisture, does not operate normally, or has been dropped.

FCC Statement

FCC Compliance and Advisory Statement: This hardware device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: 1) this device may not cause harmful interference, and 2) this device must accept any interference received including interference that may cause undesired operation. This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a commercial installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed or used in accordance with the instructions, may cause harmful interference

to radio communications. However there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: 1) reorient or relocate the receiving antenna; 2) increase the separation between the equipment and the receiver; 3) connect the equipment to an outlet on a circuit different from that to which the receiver is connected; 4) consult the dealer or an experienced radio/TV technician for help. Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. Where shielded interface cables have been provided with the product or specified additional components or accessories elsewhere defined to be used with the installation of the product, they must be used in order to ensure compliance with FCC regulations.

Table of Contents

Introduction 9

Features 9

Package Contents 9

Panel Description 10

IR Remote Control 11

Installation 12

Connection Instructions 12

Connection Diagram 13

IP Configuration 14

Setting the IP Mode 14

Setting the IP Address Using Commands 14

Setting the IP Address using the Web GUI 15

Basic Operation 16

LED Indicators 16

Input Switching 17

Manual Switching 17

Auto Switching 18

HDCP Settings 19

Controlling Audio 20

HDMI Output Muting 20

Optical Output Muting 20

Using the Audio Return Channel (ARC) 21

Switching between ARC and HDMI inputs 23

Managing Users 24

Adding Users 24

Editing / Deleting Users 25

Resetting to Factory Defaults 26

Using the Front Panel 26

Using the Web GUI 26

Advanced Operation 28

RS-232 / IR Control 28

Determining the Port Type 28

Cable Assembly 29

Configuration 30

IR Control 31

The Web GUI 32

Introduction to the Web GUI 32

Menu Bar 33

Info page 34

A/V Settings page 35

Video 35

Scaler 36

Audio 36

RS-232 page 37

EDID page 38

Config page 39

System page 40

Network 40

System 41

HDBT page 42

Table of Contents

Appendix	43
Updating the Firmware 43
Using the Web GUI 43
Using USB 44
Default Settings 45
Specifications 46
Index	48

Introduction

The Atlona JunoX™451 HDBT (AT-JUNO-451-HDBT) is a 4x1 switcher for high dynamic range (HDR) formats. The JunoX 451 HDBT features three HDMI inputs, plus an HDBaseT input for receiving video, embedded audio, and Ethernet over distances up to 330 feet (100 meters). 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 HDBT is ideal for receiving 4K HDR over HDBaseT from an Atlona Opus™ Series matrix switcher, and is also compatible with the Atlona UHD-PRO3, UHD-CAT, and SW Series for data rates up to 10 Gbps. It includes EDID management features and automatic input switching. The JunoX 451 HDBT also supports the HDMI Audio Return Channel for receiving digital audio from a television, and includes a TOSLINK digital audio output for sending this audio to an AV receiver or soundbar. This JunoX Series switcher can be controlled via Ethernet, RS-232, and IR. A handheld IR remote control is included.

Features

• 4x1 HDMI Switcher
• 4K/UHD capability @ 60 Hz with 4:4:4 chroma sampling, plus support for HDR formats
  • HDCP 2.2 compliant
  • Automatic input selection using hot plug detect and video detection technology
  • EDID management
• Delivers return audio from a TV to an optical digital audio output
  • TCP/IP, RS-232, and IR control
• Front panel input selection status LEDs
• Award-winning 10 year limited product warranty

Package Contents

1 x AT-JUNO-451-HDBT
1 x 4-pin captive screw connector
2 x Mounting plates
4 x Rubber feet
4 x Screws
1 x IR remote control
1 x DC 5V power supply
1 x IEC cord
1 x Installation Guide

Panel Description

1 IR Window

Receives IR signals from the included IR remote.

2 Input Indicators

These LED indicators glow solid blue to indicate the active input.

3 POWER

Press this button to power-on or power-off the unit.

4 INPUT

Press and release this button to cycle through each of the inputs.

5 FW

Connect a mini USB cable to this port to update the firmware.

6 HDBaseT Input

Connect a transmitter, such as the AT-UHD-PRO3-44M, to this port using an Ethernet cable.

7 HDMI Inputs

Connect an HD/UHD source to each of these HDMI ports.

8 HDMI OUT

Connect an HDMI cable from this port to a display or other sink device. This output supports multichannel audio.

9 OPTICAL

Connect an optical audio cable from this TOSLINK port to an audio output device. This port is part of the Audio Return Channel (ARC): audio from the display is routed upstream, back to the switcher over HDMI, to this port.

10 RS-232 / IR IN

Connect the included 4-pin captive screw block to this port. Refer to RS-232 / IR Control (page 28) for wiring information, if necessary.

11 LAN

Connect an Ethernet cable from this port to a Local Area Network (LAN).

12 DC 5V

Connect the included 5 V DC power supply to this power receptacle.

IR Remote Control

The AT-JUNO-451-HDBT includes an IR remote control unit, allow the control of the AT-JUNO-451-HDBT from a remote location.

1 On / Off buttons

Press the On button to power-on the unit. Press the Off button to power-off the unit.

2 Input

Press these buttons (1 - 4) to select the desired input.

3 Mute

Press this button to toggle audio muting on the HDMI OUT port. The Output 1 toggle switch, in the web GUI, will also change to reflect the current muting state. Refer to A/V Settings page (page 35) for more information.

Installation

Connection Instructions

1. Connect an HD/UHD source to each of the three HDMI inputs (INPUT 2 - INPUT 4).
2. Connect an optical audio cable from the OPTICAL port to a sound bar or other audio output device.
3. Connect an Ethernet cable from the LAN port to the Local Area Network (LAN). Ethernet cables should use EIA/TIA-568B termination:
4. Connect a compatible transmitter to the HDBaseT (INPUT 1) port on the AT-JUNO-451-HDBT.

Refer to the tables below for recommended cabling when using Altona products with HDBaseT technology. The green bars indicate the signal quality when using each type of cable. Higher-quality signals are represented by more bars. These tables are for guidance, only. Performance may vary, based on environmental factors.

IMPORTANT: For HDR and 4K/60 4:4:4 content (HDMI data rates exceeding 10 Gbps), the AT-JUNO-451-HDBT is not compatible with transmitters for the AT-HDR-EX-70-2PS, AT-HDR-EX-70C-KIT, or AT-HDR-EX-100CEA-KIT.

Core Shielding CAT5e CAT6 CAT6a CAT7

Solid UTP (unshielded) N/A
STP (sheilded)
Performance Rating (MHz) 350 500	600 800

Cable Max. Distance @ 4K Max. Distance @ 1080p

CAT5e / CAT6 295 feet (90 meters) 330 feet (100 meters)
CAT6a / CAT7 330 feet (100 meters)	330 feet (100 meters)

IMPORTANT: Stranded or patch cable is not recommended due to performance issues. Sheilded cables are strongly recommended to minimize signal noise and interference.

1. Connect the included four-pin captive screw block to the RS-232 / IR IN port. Refer to RS-232 / IR Control (page 28) for wiring information, if necessary.
2. Connect the included 5 V DC power supply to the DC 5V power receptacle.
3. Connect the power supply to an available electrical outlet.

Installation

Connection Diagram

graph TD
    A["AT-UHD-PRO3-44M"] -->|Video| B["AT-JUNO-451-HDBT"]
    B -->|Video| C["Media Player"]
    C -->|Video| D["Set-Top Box"]
    B -->|Video| E["Blu-ray Player"]
    B -->|Video| F["AV Receiver"]
    B -->|Video| G["Display"]
    B -->|Video| H["Internet"]
    H --> I["LAN"]
    B -->|Video| J["Video"]
    B -->|Audio| K["Video"]
    B -->|Video| L["Video"]

IP Configuration

The AT-JUNO-451-HDBT is shipped with DHCP enabled. Once connected to a network, the DHCP server (if available), will automatically assign an IP address to the unit. Use an IP scanner, along with the MAC address on the back of the unit, to identify both the unit and its IP address on the network. If a static IP address is desired, the unit can be switched to static IP mode. Use one of the following procedures to switch between DHCP and static IP mode. The default static IP address of the AT-JUNO-451-HDBT is 192.168.1.254.

If the AT-JUNO-451-HDBT is unable to detect a DHCP server within 15 seconds, then the unit will set all IP settings to zero.

Setting the IP Mode

1. Make sure the AT-JUNO-451-HDBT is powered.
2. Connect an Ethernet cable between the LAN port of the AT-JUNO-451-HDBT and the Local Area Network (LAN).

1. Press and hold the INPUT button on the front panel for approximately 20 seconds. Release the INPUT button once the POWER button begins to flash blue and red. The number of flashes will indicate the currently selected IP mode.

POWER button flashes Description
Two Static IP mode
Four DHCP mode

Setting the IP Address Using Commands

Use the IPStatic and IPDHCP commands to switch between DHCP and IP mode through RS-232 or Telnet. Refer to API documentation for more information. All commands and their arguments are case-sensitive.

- Setting static IP mode

1. Connect to the AT-JUNO-451-HDBT using RS-232 or Telnet.
2. At the command line, execute the IPDHCP command using the off argument, as shown.

IPDHCP off

Installation

1. Execute the IPStatic command. This command requires three arguments: the desired IP address of the AT-JUNO-451-HDBT, the subnet mask, and the gateway address. All arguments must be entered in dot-decimal notation. The following is an example:

IPStatic 192.168.1.112 255.255.255.0 192.168.1.1

IP address Subnet mask Gateway

- Setting DHCP mode

1. Connect to the AT-JUNO-451-HDBT using RS-232 or Telnet.
2. At the command line, execute the IPDHCP command using the on argument, as shown. All characters are case-sensitive.

IPDHCP on

Once DHCP is enabled, the unit will be assigned an IP address by the DHCP server (if present).

Setting the IP Address using the Web GUI

The System page (page 40), in the web GUI, allows the AT-JUNO-451-HDBT to use either DHCP or static IP mode. In order to access the web GUI, the IP address of the AT-JUNO-451-HDBT must be known. Refer to Introduction to the Web GUI (page 32).

1. Open the desired web browser and enter the IP address of the AT-JUNO-451-HDBT.
2. Log in, using the required credentials. The factory-default username and password are listed below:

Username: root

Password: Atlona

1. Click the System tab.

1. Click the IP Mode toggle to switch between the DHCP and STATIC IP setting. When set to STATIC IP, the IP, Netmask, and Gateway fields can be modified.
2. Click the Save button to save the changes.

Basic Operation

LED Indicators

The LED indicators on both the front of the unit provide basic information on the current status of the AT-JUNO-451-HDBT.

LED Description
POWER Blue	Unit is receiving power.
	Off Unit is not powered.	Press the POWER button to power the unit.Check the power supply and make sure it is securely fastened to the locking connector on the rear of the unit.Make sure that the power supply is connected to an available electrical outlet and that the outlet is “live” (some outlets are controlled by a wall switch).
INPUT Blue	The input is the currently selected (active) input.Off The input is not active.

Input Switching

Switching between any of the four input ports can be performed either manually or automatically. The following section covers both methods.

Manual Switching

1. Press and release the INPUT button on the front panel to cycle between INPUT 1, INPUT 2, INPUT 3, and INPUT 4 HDMI inputs. The INPUT 1 is the factory-default setting.

After the INPUT button is pressed, the INPUT LED indicator will advance to the next input, in sequence. In this example, INPUT 2 is the active input and is indicated by the INPUT 2 LED indicator on the front panel.

1. Press the INPUT button again to switch to INPUT 3. Once INPUT 4 is selected, and the INPUT button is pressed again, the unit will return to INPUT 1.

Manual input switching can also be performed under the A/V Settings page (page 35) of the web GUI, by clicking the Input Selection drop-down list and selecting the desired input. In addition, the x1AVx1 command can also be used. Refer to the Application Programmer's Interface for more information.

NOTE: The AT-JUNO-451-HDBT retains the currently selected input, even after the unit is powered-off then powered-on.

Auto Switching

Auto-switching can also be used to automatically select an input. Auto-switch is enabled by default and must be enabled for this feature to work. When auto-switching is enabled, the AT-JUNO-451-HDBT will automatically switch inputs, based on the presence of an input signal.

1. Enable auto-switching by using one of the following methods.

Using the web GUI

a. Login to the web GUI and access the A/V Settings page (page 35).
b. Click the Auto Switch mode toggle switch to the ON position (if not already in the ON position). This is the default setting.

Input Selection

Input 1

Auto Switch

HDCP Settings

Input 1

Input 2

Input 3

Input 4

1. Connect a source to any of the four input ports on the rear panel. The AT-JUNO-451-HDBT will automatically switch to the port with the connected source. The following rules apply to auto-switching.

2. If a source is disconnected, then the AT-JUNO-451-HDBT will fallback to a port with an active source.

3. If all sources are disconnected, then the AT-JUNO-451-HDBT will retain the port of the last-connected source.

NOTE: The AT-JUNO-451-HDBT retains the currently selected input, even after the unit is powered-off then powered-on.

HDCP Settings

Normally, if a source is transmitting HDCP content to a display that is not HDCP-compatible, then the resulting image on the display will result in "snow", image flickering, or no picture.

For example, in the illustration below, a laptop source is connected to the AT-JUNO-451-HDBT. A non-compliant display is connected to the AT-JUNO-451-HDBT using an HDMI cable.

graph LR
    A["Non-Compliant Display"] -->|HDMI| B["AT-JUNO-451-HD8T"]
    B -->|HDMI| C["Laptop"]

By default, the laptop may transmit HDCP content. However, when connected to a display that does not support HDCP, the laptop must be instructed to send non-HDCP content, in order for the content to be displayed.

1. Open the desired web browser and enter the IP address of the AT-JUNO-451-HDBT.
2. Log in as the admin user with the required credentials. The factory-default username and password for the admin user are listed below:

Username: root

Password: Atlona

1. Click A/V Settings in the menu bar.

2. Click the Input 1 toggle switch, under HDCP Settings, and set it to the OFF position. This will instruct the source device to send non-HDCP content, if possible.

NOTE: Not all source devices are capable of transmitting non-HDCP content. For example, Sony PlayStation® gaming consoles and Mac® computers always transmit HDCP-encrypted content.

Controlling Audio

The AT-JUNO-451-HDBT provides complete control over audio muting for both the HDMI OUT and OPTICAL outputs.

HDMI Output Muting

1. Open the desired web browser and enter the IP address of the AT-JUNO-451-HDBT.
2. Log in as the admin user with the required credentials. The factory-default username and password for the admin user are listed below:

Username: root

Password: Atlona

1. Click A/V Settings in the menu bar.

2. Locate the Audio section.

3. Click the Output 1 toggle switch to the OFF position. When set to the OFF position, the audio on the HDMI OUT port will be muted. To re-enable the audio for the HDMI OUT output, set the toggle switch to the ON position.

Optical Output Muting

1. Open the desired web browser and enter the IP address of the AT-JUNO-451-HDBT.
2. Log in as the admin user with the required credentials. The factory-default username and password for the admin user are listed below:
   Username: root
   Password: Atlona
3. Click A/V Settings in the menu bar.

4. Locate the Audio section.

5. Click the Toslink toggle switch to the OFF position. When set to the OFF position, the audio on the OPTICAL port will be muted. To re-enable the audio for the OPTICAL output, set the toggle switch to the ON position.

Using the Audio Return Channel (ARC)

The Audio Return Channel (ARC) allows audio to be sent upstream, from the display device, to the AT-JUNO-451-HDBT over an HDMI cable. The audio is then output over the OPTICAL port. This technique can be used to send audio from a Smart TV, using an app such as Netflix ^® , to an A/V receiver, providing a multichannel audio experience. The advantage of ARC is that no additional audio cables are required to be connected between the display and the audio output device.

The illustration below, shows an example of how the Audio Return Channel works. The dark green lines identify the audio coming from the display. The instructions on the following page will reference the diagram below.

NOTE: When ARC is enabled, the HDMI inputs will be disabled. To re-activate the HDMI inputs, ARC must be disabled.

graph TD
    A["Display"] -->|HDBT| B["AT-JUNO-451-HDBT"]
    B -->|Audio| C["A/V Receiver"]
    C --> D["Speaker System"]

Basic Operation

1. Connect an HDMI cable from the HDMI OUT port on the AT-JUNO-45-HDBT to the HDMI input port on the display. This cable is used to carry the audio from the display to the AT-JUNO-451-HDBT.
2. Connect an optical cable from the OPTICAL OUT port on the AT-JUNO-451-HDBT to an A/V receiver. The audio from the display is output over the optical cable.
3. Open the desired web browser and enter the IP address of the AT-JUNO-451-HDBT.
4. Log in as the admin user with the required credentials. The factory-default username and password for the admin user are listed below:

Username: root

Password: Atlona

1. Click A/V Settings in the menu bar.
2. Locate the Audio section.
3. Click the HDMI input audio breakout toggle switch to the ARC position. The default setting is SPDIF.
4. Set both the Toslink and Output 1 toggle switches to the ON position.

Setting Description

SPDIF The HDMI output audio will also be output using the OPTICAL port on the back of the unit.

ARC Audio being returned from the display, over ARC, will be output on the OPTICAL port on the AT-JUNO-451-HDBT. It should be noted that the audio is limited to formats supported by the SPDIF output, such as PCM, Dolby® Digital, and some formats of DTS. Lossless audio formats, such as Dolby TrueHD and DTS-HD Master AudioTM, are not supported by ARC or SPDIF.

1. Setup is complete. Audio from the display will now be heard over the A/V receiver. To disable ARC and hear the audio from the HDMI inputs, set the HDMI input audio breakout toggle switch to the SPDIF position.

Refer to the next page for information on how to toggle between HDMI inputs and ARC, using a control system.

Switching between ARC and HDMI inputs

Switching between HDMI inputs and ARC should be performed using a control system. The following describes the setup process.

1. Controlling the AT-JUNO-451-HDBT can be accomplished through either IP or RS-232.

2. If using RS-232, refer to RS-232 / IR Control (page 28) for more information.

3. If controlling over IP, connect an Ethernet cable from the control system to the LAN port on the AT-JUNO-451-HDBT. Refer to the control system user manual for any necessary configuration details.

4. Send the AudioARC command to set the desired operation:

AudioARC ARC // enables ARC; only audio from the downstream display is output to the OPTICAL OUT port.

AudioARC SPDIF // disables ARC; HDMI inputs are enabled and the embedded HDMI audio is also output to the OPTICAL OUT port.

Refer to the AT-JUNO-451-HDBT API manual for a complete listing of commands.

Managing Users

The AT-JUNO-451-HDBT allows the admin user to create, edit, and remove additional TCP/IP users. All users have the same level of access to control the AT-JUNO-451-HDBT. However, only the admin user is allowed to manage other users. Up to three additional users can be created.

Adding Users

1. Open the desired web browser and enter the IP address of the AT-JUNO-451-HDBT.

2. Log in as the admin user with the required credentials. The factory-default username and password for the admin user are listed below:

Username: root Password: Atlona

1. Click the Config tab.
2. Click the Add button, under the Edit column.

1. Enter the desired username and password in the Username&Password Edit dialog box.
2. Click the Save Change button to commit changes or click the Cancel button to return to the Config page without adding the user.

Once created, the new user and the associated password will appear under the All User Login Settings section. To login with the new username, click Logout in the upper-right corner of the screen, then enter the login credentials for the user on the Login page.

Editing / Deleting Users

The username and password of a user can be changed using this method.

1. Open the desired web browser and enter the IP address of the AT-JUNO-451-HDBT.
2. Log in as the admin user with the required credentials. The factory-default username and password for the admin user are listed below:

Username: root

Password: Atlona

Editing Users

a. Click Config in the menu bar.
b. Click the Edit button next to the user to be changed.
c. Enter the new information for the user in the Username&Password Edit dialog box.
d. Click the Save Change button to commit changes or click the Cancel button to return to the Config page without making changes.

Deleting Users

a. Click the Remove button next to the user to be deleted.

Resetting to Factory Defaults

The following procedure will reset the AT-JUNO-451-HDBT to factory-default settings. The network IP mode will be set to DHCP mode.

Using the Front Panel

1. Make sure the unit is powered.
2. Simultaneously press and hold the POWER and INPUT buttons for more than 15 seconds.
3. Release both buttons.
4. The factory-reset process is complete.

Using the Web GUI

1. Open the desired web browser and enter the IP address of the AT-JUNO-451-HDBT.
2. Log in as the admin user with the required credentials. The factory-default username and password for the admin user are listed below:

Username: root

Password: Atlona

1. Click the System tab.

2. Click the Factory Default button.

Basic Operation

1. The following message will be displayed at the top of the screen. Click OK to continue with the factory-default reset procedure. Click Cancel to abort the process.

10.20.20.70 says

Are you Sure want to Reset Device to manufacture default?

1. Once the factory-default process is complete, the web GUI Login screen will be displayed.
2. The factory-reset process is complete.

Advanced Operation

RS-232 / IR Control

The AT-JUNO-451-HDBT provides an RS-232 / IR port, allowing the unit to be managed using a control system.

RS-232 is serial data protocol that allows Data Terminal Equipment (DTE) devices, such a computer or control system, to communicate with Data Communication Equipment (DCE) devices, such as the AT-JUNO-451-HDBT or a display. Although IP control is available, RS-232 still plays an integral part of many control systems.

Although the 25-pin D-type connector (DB-25) was defined as the RS-232 standard, it is now commonly implemented in a nine-pin (DE-9) connector package. Each pin is numbered, as shown below.

DE-9 (male)

DE-9 (female)

DTE Pin Descriptions

Pin Signal Description
1 DCD	Data Carrier	Detect
2 RxD	Receive Data
3 TxD	Transmit Data
4 DTR	Data Terminal Ready
5 GND	Ground (Signal)
6 DSR	Data Set Ready
7 RTS	Request to Send
8 CTS	Clear to Send
9 RI Ring Indicator

DCE Pin Descriptions

Pin Signal Description
1	DCD	Data Carrier Detect
2	TxD	Transmit Data
3	RxD	Receive Data
4	DSR	Data Set Ready
5	GND	Ground (Signal)
6	DTR	Data Terminal Ready
7	CTS	Clear to Send
8	RTS	Ready to Send
9	RI Ring Indicator

Determining the Port Type

Most DTE devices provide a male connector, while DCE devices have a female connector. However, this is not always the case. If the port type is unknown, then a multimeter can be used to determine whether the port is DTE or DCE:

1. Turn on the multimeter and set it to measure DC voltage.
2. Connect the positive and negative leads to pins 3 and 5, respectively.
3. Check the voltage reading:

If the voltage is between -3 V DC and -15 V DC, then the device is DTE. Otherwise, it is DCE.

Voltage levels between -3 V and -15 V DC represent a logic "1". Voltage levels between +3 V and +15 V DC represent a logic "0".

Cable Assembly

When connecting a DTE device to a DCE device, a straight-through cable should be used. A straight-through cable is wired in such a way that the pins on one side of the cable are connected to the corresponding pins on the opposite side of the cable, as shown in the table below. However, the AT-JUNO-451-HDBT will use only TxD, RxD, and GND signals when communicating with a control system or computer.

Straight-Through Cable

Pin Signal Signal Pin
1 DCD DCD 1
2 RxD TxD 2
3 TxD RxD 3
4 DTR DSR 4
5 GND GND	5
6 DSR		DTR 6
7	RTS		CTS	7
8	CTS		RTS	8
9 RI		RI	9

1. Identify the DE-9 connector that will be attached to the control system or computer (DCE) equipment.
2. Remove the DE-9 connector at the opposite end of the cable with wire cutters.
3. Remove at least 1" of the cable insulation to expose each of the nine wires.
4. Locate a multimeter and set it to the "continuity" function.
5. Attach one of the leads from the multimeter to pin 2 on the DE-9 connector.
6. Take the other lead and probe each of the wires on the opposite end of the cable. When the wire connected to that pin is detected, the multimeter will emit an audible tone. Once this occurs, identify the current wire, and move it to the side.
7. Repeat step 6 for pin 3 and pin 5 on the DE-9 connector.
8. Group the remaining wires and pull them aside. Electrical tape can be use to secure the wires to the outside of the RS-232 cable.
9. Remove at least 3/16" (5 mm) of insulation from the TxD, RxD, and GND wires.

1. Locate the included 4-pin captive screw block and open each of the terminals by turning the screws counter-clockwise, using a small regular screwdriver.
2. Insert the TxD, RxD, and GND wires into correct terminal, as shown, and tighten the screws to secure each wire. Do not overtighten.
3. Connect the captive screw connector to the RS-232 / IR IN port on the AT-JUNO-451.

Configuration

1. Launch a web browser and login to the web GUI. Refer to Introduction to the Web GUI (page 32) for more information. The factory-default username and password are listed below:

Username: root

Password: Atlona

1. Click RS-232 in the menu bar.
2. Select the proper baud rate, data bit, parity, and stop bit settings. These settings must correspond with the control system RS-232 settings.

1. Click the Save button to commit changes.

graph LR
    A["Control System"] -->|RS232| B["AT-JUNO-451-HDBT"]

IR Control

The illustration below, shows an example of how electrical IR, from either a control system or the included IR remote, can be used to control the AT-JUNO-451-HDBT.

To use electrical IR from a control system, the IR commands from the included remote must be "learned". The AT-JUNO-451-HDBT only supports IR codes from the included IR remote control unit. Third-party IR remotes are not supported.

graph TD
    A["Control System"] -->|IR| B["AT-JUNO-451-HDBT"]
    B --> C["SW-51 IR Remote Control (included)"]

1. Remove at least 3/16" (5 mm) of insulation from the GND and S wires.
2. Locate the included 4-pin captive screw block and open each of the terminals by turning the screws counterclockwise, using a small regular screwdriver.
3. Insert the GND and S wires into correct terminal, as shown, and tighten the screws to secure each wire. Do not overtighten.
4. Connect the captive screw connector to the RS-232 / IR IN port on the AT-JUNO-451-HDBT.
5. Connect the GND and S wires to the control system or to the AT-VCC-IR-KIT.

Green electrical connector with three pins and two black wires labeled S and GND (no text or symbols on the component itself)

The Web GUI

Introduction to the Web GUI

The AT-JUNO-451-HDBT includes a built-in web GUI. Atlona recommends that the web GUI be used to set up the AT-JUNO-451-HDBT, as it provides intuitive management of all features.

The AT-JUNO-451-HDBT is shipped with DHCP enabled. Once connected to a network, the DHCP server will automatically assign an IP address to the unit. Use an IP scanner to determine the IP address of the AT-JUNO-451-HDBT. If a static IP address is desired, refer to IP Configuration (page 14). The default static IP address of the AT-JUNO-451-HDBT is 192.168.1.254.

1. Launch a web browser.
2. In the address bar, type the IP address of the AT-JUNO-451-HDBT.
3. The Login page will be displayed.

1. Type root, using lower-case characters, in the Username field.
2. Type Atlona in the Password field. This is the default password. The password field is case-sensitive. When the password is entered, it will be masked. The password can be changed, if desired. Refer to the Config page (page 39) for more information.
3. Click the Submit button or press the ENTER key on the keyboard.

7. The Info page will be displayed.

1. Click Logout, on the far-right side of the menu bar, to log out of the web GUI and return to the Login page.

Menu Bar

The dark-colored bar, near the top of the screen, is the menu bar. When the mouse is moved over each menu element, it will be highlighted in light orange. Once the desired menu element is highlighted, click the left mouse button to access the settings within the menu.

In this example, moving the mouse over the A/V Settings menu item will highlight it. Click the A/V Settings menu item to display the A/V Settings page.

Info page

Model Name

The model SKU of this product.

Software Version

The version of firmware that the AT-JUNO-451-HDBT is running. Always make sure to check the AT-JUNO-451-HDBT product page, on the Atlona web site, for the latest version of firmware.

On-Time (h-m)

The time elapsed since the unit was last powered-on. Turning the unit "off", using the PWOFF command, will not reset this field.

Active Input

The currently selected input. The active input can be changed under the A/V Settings page (page 35) or by pressing and releasing the INPUT button on the front panel.

Signal Type

Displays the input resolution of the source device.

Video Format

Displays the video format.

Aspect

Displays the aspect ratio of the input video source.

Color Space

Displays the color space of the input video source.

Color Depth

Displays the color depth of the input video source.

A/V Settings page

Video

Input Selection

Click this drop-down list to select the desired input.

Setting Port
Input 1 INPUT 1 (HDBaseT)
Input 2 INPUT 2
Input 3 INPUT 3
Input 4 INPUT 4

Auto Switch

Set the Auto Switch mode toggle to ON to enable auto-switching. When auto-switching is enabled, the switcher will automatically switch to the previous input, if a signal loss is detected on the current input. If a new source is connected, the AT-JUNO-451-HDBT will automatically switch to that input. The default setting is ON.

HDCP Settings

Sets the HDCP reporting mode of the specified HDMI port: Input 1 = INPUT 1 (HDBaseT), Input 2 = INPUT 2, Input 3 = INPUT 3, Input 4 = INPUT 4. Some devices will transmit HDCP content if an HDCP-compliant display/sink is detected. Setting this value to OFF, will instruct the source to send non-HDCP content (if possible) to non-HDCP display and/or sink devices. Note that setting this value to OFF will not decrypt HDCP content.

Setting Description

ON HDCP content is always transmitted by the source

OFF Instructs the source to send non-HDCP content, if possible

Scaler

Scaler Pass-Through

Click this toggle switch to enable or disable the scaler pass-through feature. When set to the ON position, no scaler processing is used and the output resolution / timing will be the same as the input source. When disabled (OFF), 4K content will be down-scaled to 1080p. By default, this feature is set to the OFF position, which provides scaling capability.

Audio

Output 1

Mutes or un-mutes the HDMI audio output. Set the Output toggle to OFF to disable HDMI audio on the output. The default setting is ON.

HDMI Input audio breakout

Sets the audio source used by the OPTICAL port on the unit. The default setting is SPDIF.

Setting Description

SPDIF The HDMI output audio will also be output using the OPTICAL port on the back of the unit.

ARC Audio being returned from the display, over ARC, will be output on the OPTICAL port on the AT-JUNO-451-HDBT. It should be noted that the audio is limited to formats supported by the SPDIF output, such as PCM, Dolby® Digital, and some formats of DTS. Lossless audio formats, such as Dolby TrueHD and DTS-HD Master AudioTM, are not supported by ARC or SPDIF.

Toslink

Click this toggle to enable or disable the OPTICAL port on the back panel. By default, this option is set to OFF (disabled).

RS-232 page

RS-232 Parameter Setting

Click each of these drop-down boxes to select the desired baud rate, data bits, parity bit, and stop bit.

Setting Description

Baud rate Sets the baud rate. The following options are available: 2400, 9600, 19200, 38400, 56000, 57600, 115200.

Data bit Sets the number of data bits used to represent each character of data. The following options are available: 7 or 8.

Parity Sets the parity bit, which can be included with each character to detect errors during the transmission of data. The following options are available: None, Odd, or Even.

Stop bit Sets the stop bit. Stop bits are sent at the end of each character, allowing the client to detect the end of a character stream. The following options are available: 1 or 2.

EDID page

EDID Settings

Click these drop-down lists to select the desired EDID to be used for each input. Input 1 = INPUT 1, Input 2 = INPUT 2, Input 3 = INPUT 3, Input 4 = INPUT 4. The source device will use the information in the EDID, before sending A/V data to the sink device.

EDID listing
Default 1920x1200 DVI
1080P 2CH 3840x2160@60 4:2:0 2CH
1080P MCH 3840x2160@60 4:2:0 MCH
1080P DD 3840x2160@30 4:4:4 2CH
1080P 3D 2CH 3840x2160@30 4:4:4 MCH
1080P 3D MCH 4096x2160@60 4:2:0 2CH
1080P 3D DD 4096x2160@60 4:2:0 MCH
720P 2CH 3840x2160@60 4:4:4 2CH
720P DD 3840x2160@60 4:4:4 MCH
1280x800 2CH 4K 60 4:2:0 HDR 2CH
1366x768 2CH 4K 60 4:2:0 HDR multichannel audio (HD lossless)
1080P DVI 4K 30 Dolby	® VisionTM 2CH
1280x800 DVI

EDID Saved

Click this drop-down list to select the memory location to save the downstream EDID. Eight memory locations are available. Once an EDID is saved to a memory location, it can be access from the EDID Settings drop-down lists.

Config page

Old Username

This field cannot be changed. "root" is the administrator user.

Old Password

Enter the current password for the "root" username in this field. The default password is "Atlona".

New Username

This field cannot be changed.

Save

Click this button to save all changes.

New Password

Enter the new password for the "root" username in this field.

Confirm New Password

Verify the new password by retyping it in this field.

All User Login Settings

- Username

Displays the username.

- Password

Displays the password for the associated username.

- Edit

Click the Add button, in this column, to edit the username and password in the row.

• Del

Click the Remove button to delete the user in the row. This button will only be available if both a username and password have been created.

System page

Network

IP Mode

Click this toggle to set the IP mode of the AT-JUNO-451-HDBT. The default setting is DHCP. Available settings: STATIC IP, DHCP.

IP

Enter the IP address of the AT-JUNO-451-HDBT in this field. This field will only be available if IP Mode is set to STATIC IP. The default IP address is 192.168.1.254.

Netmask

Enter the subnet mask in this field. This field will only be available if IP Mode is set to STATIC IP.

Gateway

Enter the gateway (router) address in this field. This field will only be available if IP Mode is set to STATIC IP.

Telnet Port

Enter the Telnet listening port in this field.

Telnet Login Mode

Click this toggle to set the login mode to either ON or OFF. If this feature is set to ON, then the AT-JUNO-451-HDBT will prompt for both the username and password at the start of a Telnet session. Use the same credentials as the web GUI.

Telnet Timeout

Click this drop-down list to select the timeout interval, in seconds, before the Telnet connection is automatically closed after no activity. Range: 1 to 3600 (seconds).

Broadcast

By default, broadcast mode is set to ON. When set to ON, any system changes will be announced over TCP/IP connections. To separate control between the web GUI and Telnet, set this feature to OFF. Read queries, such as IPCFG and Type commands, are not announced and will only return information to the requester.

System

Power

Under normal operation conditions, this toggle is set to ON. Click this toggle to OFF, to turn the AT-JUNO-451-HDBT "off". When "off", the POWER LED indicator on the front panel will turn red. The PWOFF and PWON commands can also be used to control the power state.

Reset to Default

Click the Factory Default button to set the AT-JUNO-451-HDBT to factory-default settings.

Firmware Update

Click the Choose File button to select the firmware file, when upgrading the firmware on the AT-JUNO-451-HDBT. Once the firmware file is selected, click the Update button. Refer to Updating the Firmware (page 43) for more information.

HDBT page

HDBaseT Zone

The AT-JUNO-451-HDBT has only a single HDBaseT output. Therefore, this drop-down list is disabled.

Start

Click the Start button to begin the HDBaseT testing process. During testing, the button text will change to "Stop". Click the Stop button to halt the HDBaseT testing process. HDBaseT testing can be performed at any time, while the unit is powered. Refer to the instructions on this web page for information on how to interpret the BER and cable test results.

TX Version

The version of the Valens chip on the transmitter.

RX Version

The version of the Valens chip on the receiver.

TMDS Clock

Displays the pixel clock speed. If no source is connected, then this field will display as "None".

Cable length (Estimated)

This field indicates the approximate length of the Ethernet cable connected between the HDBaseT port on the AT-JUNO-451-HDBT and the receiver. If the cable length is less than 15 feet, then this value will be displayed as 0 (zero).

Video Quality (Video BER)

The Bit Error Rate (BER). This field displays either PASS or FAIL during a test.

Cable Quality Pair (A, B, C, D)

Each of these fields will display either PASS or FAIL during a test.

Appendix

Updating the Firmware

Updating the firmware can be completed using either the USB interface or the web GUI. Atlona recommends using the web GUI for updating the firmware. However, if a network connection is not available, the AT-JUNO-451-HDBT firmware can be updated using a USB-A to USB mini-B cable.

Using the Web GUI

Requirements:

• AT-JUNO-451-HDBT
- Firmware file
• Computer running Microsoft Windows

1. Connect an Ethernet cable from the computer, containing the firmware, to the same network where the AT-JUNO-451-HDBT is connected.

2. Go to the System page (page 40) in the web GUI.

1. Click the Choose File button, under Firmware Update.
2. Browse to the location of the firmware file, select it, and click the Open button.
3. Click the Update button to begin the update process.
4. The following message box will be displayed.

1. Click the OK button to begin the firmware update process. Click the Cancel button to cancel the process.
2. After the firmware update process is complete, the Login screen will be displayed.

Using USB

Requirements:

• AT-JUNO-451-HDBT
- Firmware file
• Computer running Microsoft Windows
• USB-A to USB mini-B cable

1. Disconnect power from the AT-JUNO-451-HDBT.

2. Press and hold the INPUT button while connecting power to the AT-JUNO-451-HDBT.

3. Release the INPUT button. The POWER button will glow solid red, indicating that the AT-JUNO-451-HDBT is in update mode.

4. Connect the USB-A to USB mini-B cable between the PC and the firmware port on the AT-JUNO-451-HDBT. The unit will be powered by the USB cable.

5. The USB UPDATE folder will be displayed.

If this folder is not displayed, automatically, select the USB UPDATE drive from Windows Explorer.

1. Delete all files from the USB UPDATE drive, if any are present.
2. Drag-and-drop the firmware file to the drive. During the firmware update procedure, the POWER button will flash.
3. After the file has been copied, disconnect the USB cable from both the computer and the AT-JUNO-451-HDBT.
4. The firmware update process is complete.

Default Settings

The following tables list the factory-default settings for the AT-JUNO-451-HDBT.

Feature Settings
A/V Settings Video
	Input Selection	Input 1
	Auto Switch	ON
	HDCP Settings
	Input 1	ON
	Input 2	ON
	Input 3	ON
	Input 4	ON
	Audio
	Output 1	ON
	HDMI input audio breakout	SPDIF
	Toslink	ON
	Scaler Pass Through	OFF
RS-232 Baud rate		115200
	Data bit	8
	Parity	None
	Stop bit	1
EDID EDID Settings
	Input 1	Default
	Input 2	Default
	Input 3	Default
	Input 4	Default
	EDID Saved
	Output 1	---
Config Username (default)		root
		Password (default)
System Network
		IP Mode
		Static IP Address (default)
		Netmask
		Gateway
		Telnet Port
		Telnet Login Mode
		Telnet Timeout
		Broadcast
		System
		Power
		Lock
HDBT HDBaseT Zone Input 1 (cannot be changed)

Specifications

Connectors, Controls, and Indicators
INPUT (HDBaseT) 1 - RJ45
INPUT (HDMI) 3 - Type A, 19-pin female
OUTPUT 1 - Type A, 19-pin female
OPTICAL 1 - TOSLINKTM
RS-232 / IR 1 - 5-pin captive screw
LAN 1 - RJ45
DC 5V 1 - Barrel connector, 5.5 mm, locking
FW 1 - Type mini-B, 5-pin female
INPUT button 1 - momentary, tact-type
POWER button 1 - momentary, tact-type, backlit power LED
Input Indicators 4 - LED, blue
IR window 1 - Round, front panel

Video
UHD/HD/SD 4096×2160@24/25	30/50/60Hz, 3840×2160@24/25/30/50/60Hz, 2048×1080p, 1080p@23.98/24/25/29.97/30/50/59.94/60Hz, 1080i@50/59.94/60Hz, 720p@50/59.94/60Hz, 576p, 576i, 480p, 480i
VESA 2560×2048, 2560×1600,	2048×1536, 1920×1200, 1680×1050, 1600×1200, 1600×900, 1440×900, 1400×1050, 1366×768, 1360×768, 1280×1024, 1280×800, 1280×768, 1152×768, 1024×768, 800×600, 640×480
Color Space	YUV, RGB
Chroma Subsampling	4:4:4, 4:2:2, 4:2:0*
Color Depth	8-bit, 10-bit, 12-bit
HDR	HDR10 and Dolby® VisionTM @ 60 Hz

Audio
HDMI IN / HDBaseT IN	PCM 2Ch, LPCM 5.1, LPCM 7.1, Dolby® Digital, DTS® 5.1, Dolby Digital PlusTM, Dolby TrueHD, DTS-HD Master AudioTM, Dolby Atmos®, DTS:X
Sample Rate	32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz
Bit Rate	24-bit (max.)

Resolution / Distance	4K - Feet	4K - Meters	1080p - Feet	1080p - Meters
HDMI IN/OUT	15	5	30	10
CAT5e/6	115	35	200	60
CAT6a/7	130	40	230	70

*4096x2160@50/60Hz and 3840x2160@50/60Hz supports 8-bit 4:2:0 chroma subsampling, only.

Appendix

Signal
Maximum TMDS Clock 600 MHz
HDBaseT 18 Gbps
HDMI 2.0
USB 2.0
HDCP 2.2
Temperature Fahrenheit Celsius
Operating 32° to 122° 0° to 50°
Storage -4° to 140° -20° to 60°
Humidity (RH) 20% to 90%, non-condensing
Power
Consumption 6.6 W
Idle Consumption 5.9 W
Supply	Input: 100 - 240 V AC, 50/60 Hz, Output: 5 V DC
Dimensions	Inches	Millimeters
H x W x D	1.0 x 8.6 x 5.9	26 x 219 x 152
Weight	Pounds	Kilograms
Device	1.82	0.82
Certification
Device	CE, FCC
Power Supply CE, FCC, Level VI, RoHS, cULus, RCM, CCC

Index

A

Audio

Audio Return Channel (ARC) 21

HDMI output 20

muting 20,36

optical output 20

switching 20

C

Configuration

IP. See IP configuration

Connection

diagram 12

instructions 12

Contents

package 9

Customer support 3

D

Default settings 45

Description

front / rear panel 10

E

EDID

presets 38

saving 38

F

Factory defaults

resetting to 26

FCC statement 6

Features 9

Firmware

updating

using the web GUI 43

using USB 44

H

HDBaseT

testing 42

HDCP

control 19

|

Input

selecting 35

Input switching

automatic 18

manual 17

Installation 12

IP configuration 14, 40

O

Operating notes 3

P

Panel descriptions 10

Password

default 32

R

Resetting

to factory defaults 26

RS-232

cable assembly 29

settings 37

S

Safety information 6

Scaler pass-through 36

Settings

auto-switching 35

HDCP 35

Specifications 46

Switching

auto 18

manual 17

U

Updating firmware 43, 44

Users

adding 24

deleting 25

editing 25

W

Warranty 4

Web GUI 32