Black Box ACU4001A, ACU4222A Appendix C AUDIO/SERIAL Ports, Operation & Multi-Port Configuration

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APPENDIX C: AUDIO/SERIAL PORTS

Appendix C: Audio/Serial Ports

Operation & Multi-Port Configuration

This appendix describes audio & serial interface operation for ACU4222A.

This extender allows bi-directional stereo audio and a full-duplex serial data to be sent across the secondary CATx interconnection cable.

Serial Interface - Set Up and Operation

No setting up or user adjustments are required.

The Remote unit’s serial port is wired as DTE - the same as that on a PC. To connect a serial printer or other DTE (rather than DCE device) to the Remote unit, you will need a Null- Modem crossover cable between the Remote unit and the printer. Select Xon/Xoff software flow control on the printer and PC.

A serial touch screen may be plugged directly into the Remote unit.

Serial Interface – Handling Multiple Serial Devices

The extender’s serial interface transmits/receives six signals (3 signals in each direction).

Normally, four of these signals are used for hardware handshaking (in addition to TX & RX). However, because each handshaking line can support signals up to 19,200 Baud it is possible to configure the serial interface to handle up to three simple 2-wire (Tx/Rx only) serial links.

To do this, you will need to construct a custom breakout cable. Please contact Technical Support for further information.

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Contents USB Micro Extender Welcome to the ServSwitch Family Servswitch FamilyServswitch Brand USB Micro Extender Family Copyrights and TrademarksFCC/CDC Statements European Union Declaration of Conformity NOM Statement Servswitch Brand USB Micro Extender Family Safety Precautions and Installation Guidelines Safety Precautions and Installation GuidelinesContents Quick Setup Quick SetupIntroduction GlossaryOverview CPUFeatures Local Video OutputDual Video Channel Kit Standard Product RangeSingle Video Channel Kit Standard Dual Video Channel Kit AudioInterface Compatibility CompatibilityExtender Compatibility Connection & Compatibility How to Use This GuideAdjusting Video Interconnection CableInstallation Package ContentsPin Color EIA-568B Signal InstallationCable Pinning/Pairing Interconnection Cable RequirementsSetting the Cable Length DIP Switches Remote Unit InstallationInterconnect Cable Length DIP Switch Position Connecting the Remote Unit RemoteUnit Audio DeviceRemote Unit front view Local Unit Installation Computer Local UnitLocal Unit rear view Local Unit front view Only need video extension not USB but I can’t get a picture VideoImage is not sharp, or is badly smeared Monitor sometimes goes blank for a second or twoTroubleshooting USBAudio SerialGeneral Questions Appendix a Example Applications Appendix a Example Applications ACU4001A Remote UnitDual-monitor consoles with serial and audio extension Home entertainment system Appendix B Rack Mount Options RMK19U-X3 Mounting KitAppendix C AUDIO/SERIAL Ports Operation & Multi-Port ConfigurationSerial Interface Set Up and Operation Serial Interface Handling Multiple Serial DevicesAudio Interface Set Up and Operation Audio Interface Using a MicrophoneAppendix D Calling Black BOX Shipping and PackagingVideo Output Connectors Maximum ResolutionVideo Input Connectors Local Unit ConnectorAppendix E Specifications ACU4001A Operating TemperatureStorage Temperature ACU4201A

ACU4222A, ACU4001A, ACU4201A specifications

The Black Box ACU4201A, ACU4001A, and ACU4222A are advanced solutions designed to enhance audio-visual integration in various commercial and industrial settings. These units are part of the Black Box family that focuses on asserting control over media transmission through a comprehensive platform, ensuring optimal performance for any audio-visual infrastructure.

The Black Box ACU4201A stands out with its ability to support a wide range of audio and video interfaces. It can accommodate HDMI 2.0, DisplayPort, and VGA inputs, making it an incredibly versatile unit for different AV setups. Its robust capabilities include extending signals over long distances without compromising quality, thanks to its advanced signal processing technology. This unit enables seamless transition and control among multiple devices, making it an ideal choice for environments demanding quick switchovers, such as corporate meeting rooms or educational facilities.

On the other hand, the ACU4001A is a compact and efficient solution tailored for smaller applications. It offers significant flexibility while providing essential features like automatic switching and support for resolutions up to 4K. The ACU4001A not only ensures efficient management of AV signals but does so with a user-friendly interface that simplifies operation for users. Its built-in support for areas where connecting various types of media is crucial makes it a go-to choice for creative spaces or huddle rooms.

The ACU4222A serves a specific niche within the series, focusing on distributed audio-video solutions. It is equipped with multi-channel capabilities that allow simultaneous handling of various signals. The ACU4222A supports PoE (Power over Ethernet), which simplifies installation by reducing the need for additional power supplies. This model is perfect for large conference rooms or public venues where multiple input sources are connected to multiple displays.

All three units share common technologies, including advanced scaling, EDID management, and seamless video switching, ensuring compatibility with a vast array of devices. They feature user-friendly web-based management interfaces, allowing network administrators to monitor and control the systems remotely. With their robust design and performance, the ACU series by Black Box represents a step forward in achieving seamless audio-visual integration that can cater to an array of professional environments.
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