Black Box ACU5250A-R2, ACU505A-R2 manual Operation General use, Dual user arbitration

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ServSwitch Wizard VGA/USB

4. Operation

4.1 General use

In use, the ServSwitch Wizard VGA-USB modules should be transparent - the system and its peripherals should operate exactly as normal, the only difference being that they are now up to 984 feet (300 meters) apart.

In some installations, you may see some ‘shadows’ to the right of high contrast screen characters. This can be caused by an incor- rect video compensation setting and it may be necessary to make adjustments to correct this. Please see Video compensation in the ‘Installation’ section.

4.2 Dual user arbitration

When using two sets of ServSwitch Wizard VGA-USB modules to allow two users to access a single computer, be aware that arbi- tration between the users is handled by the USB sub-system of the computer. Unlike with other Black Box products, this means that both users can control the computer at exactly the same time and the resulting keyboard and mouse influences will be an amalgam of the two inputs - i.e. a mouse move to the right by one user will cancel out a simultaneous left mouse move by the other. The same is also true when the local module has feed-through peripherals attached to it, adjacent to the computer.

For this reason, the ServSwitch Wizard VGA-USB dual user arrangement is better suited to situations where two users would not often require simultaneous access.

4.3 Peripheral operation 4.3.1 USB

Each ServSwitch Wizard VGA-USB remote module provides four USB outlets, each of which can support USB 2.0 peripherals at speeds up to 12Mbps. The ServSwitch Wizard VGA-USB appears to the computer as a four port USB hub.

If the link between the modules is interrupted, any connected USB peripherals will be automatically disabled and re-enabled once the connection is restored.

[Dual-variant only] Note: When connecting four USB devices to the unit, ensure that their total power requirements do not exceed 1700mA (1.7A). The USB standard states a maximum allowable current draw of 500mA (0.5A) per device, although most devices remain well below this limit - USB keyboards and mice typically require 100mA. Each ServSwitch Wizard VGA-USB module contains a self-resetting fuse that will prevent damage by shutting down the unit if the total power draw becomes excessive.

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Contents ServSwitch Wizard VGA/USB ServSwitch Wizard VGA/USB Trademarks Used in this ManualFCC and IC RFI Statements ServSwitch Wizard VGA/USB Table of Contents Specifications ServSwitch Wizard VGA/USB single-variant ServSwitch Wizard VGA/USB dual-variantOverview OverviewMaximum cable lengths Installation Mounting the modules desk or rack Desk mountInstallation Rack mountConnections Connections at the local module 3.2.1.1 Video connectionsOptionally attaching a video display to the local module USB connections Audio connections Link connections Local module power For all dual-variant and optionally for single-variant unitsConnections at the remote module 3.2.2.1 Video connections 17. Optionally attaching stereo speakers T E N D E R Remote module power 21. Attaching the power cord to the adapterDual user configuration UserFirst local module Video display DDC information DDC indications What is skew and why is compensation needed? Video compensationTo enter video compensation mode To exit video compensation mode return to normal operationTo set the cable type Dual-variantsTo set the cable length Blackbox.com Dual user arbitration Operation General usePeripheral operation 4.3.1 USB Operation During startup of the local module Appendix A. Troubleshooting Status indicatorsDuring operation either module Appendix B. Safety Information AppendicesBlack Box Tech Support FREE! Live /7 About Black Box
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ACU505A-R2, ACU5250A-R2, ServSwitch Wizard VGA/USB specifications

The Black Box ServSwitch Wizard VGA/USB is a versatile KVM (Keyboard, Video, Mouse) switch that allows users to control multiple computers from a single set of peripherals. This product plays a crucial role in IT environments where efficient management of numerous systems is required. The ServSwitch Wizard, particularly the ACU5250A-R2 and ACU505A-R2 models, boasts several innovative features and technologies that enhance its functionality and user experience.

One of the standout features of the ServSwitch Wizard is its support for multiple video resolutions, ensuring compatibility with a wide range of display devices. This capability allows users to utilize high-definition video outputs up to 1920 x 1200 pixels, making it suitable for professional applications, such as graphic design and video editing. The switch also supports various VGA and USB interfaces, enabling seamless connections with different types of devices.

The ACU5250A-R2 model is particularly notable for its ability to connect up to 8 computers, while the ACU505A-R2 provides support for 4 computers. This scalability makes these devices ideal for small to medium-sized businesses, data centers, and home office setups, where space and efficiency are paramount. Users can easily switch between connected systems using a simple hotkey or button press, streamlining workflows and improving productivity.

In addition to video and peripheral support, the ServSwitch Wizard features advanced cable management options. Each unit includes an integrated cable organizer that helps prevent tangling and clutter, ensuring that the setup remains tidy and functional. The robust design also enhances durability, making these switches suitable for continuous use in demanding environments.

Both models emphasize ease of installation and use, making them accessible even for users with minimal technical knowledge. Plug-and-play functionality allows for quick setup, with no additional software required. The switches also come equipped with a built-in LED indicator that facilitates the identification of active devices.

Moreover, the Black Box ServSwitch Wizard is designed to ensure reliable performance with minimal signal degradation. This is particularly important for users who rely on high-quality video output for critical tasks. The combination of innovative features, user-friendly design, and robust technology makes the ACU5250A-R2 and ACU505A-R2 an excellent choice for anyone looking to optimize their workspace while maintaining control over multiple computers.
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