Appendices

Problem: The mouse pointer of the ServSwitch Agility receiver is slow or sluggish when moved across the screen.

This issue is often related to either using dithering on the video output of one or more transmitting computers or using VGA-to- DVI video converters.

Dithering is used to improve the perceived quality and color depth of images by diffusing or altering the color of pixels between video frames. This practice is commonly used on Apple Mac computers using ATI or Nvidia graphics cards. VGA-to-DVI converters unwittingly produce a similar issue by creating high levels of pixel background noise.

ServSwitch Agility units attempt to considerably reduce network traffic by transmitting only the pixels that change between successive video frames. When dithering is enabled and/or VGA-to-DVI converters are used, this can have the effect of changing almost every pixel between each frame, thus forcing the ServSwitch Agility transmitter to send the whole of every frame: resulting in greatly increased network traffic and what’s perceived as sluggish performance.

Remedies:

•Linux PCs

Check the video settings on the PC. If the Dither video box option is enabled, disable it.

•Apple Mac with Nvidia graphics

Use the Black Box utility for Mac’s – Contact technical support.

•Apple Mac with ATI graphics

Use the ServSwitch Agility Dual series unit with Magic Eye dither removal feature.

•Windows PCs

If you suspect these issues with PC’s, contact technical support for assistance.

•Replace old VGA adapters on host computers with DVI video cards.

Problem: ServSwitch iPath cannot locate working ServSwitch Agility units.

There are a few possible causes:

•The ServSwitch Agility units must be reset back to their zero config IP addresses for ServSwitch iPath discovery. If you have a working network of ServSwitch Agility unit’s without ServSwitch iPath and then add ServSwitch iPath to the network, the iPath manager will not discover the ServSwitch Agility units until they are reset to the zero config IP addresses.

•This could be caused by Layer 2 Cisco switches that have Spanning Tree Protocol (STP) enabled but do not also have port- fast enabled on the ports to which ServSwitch Agility units are connected. Without portfast enabled, ServSwitch Agility units will all be assigned the same zero config IP address at reboot and ServSwitch iPath will only acquire them one at a time on a random basis.

You can easily tell whether portfast is enabled on a switch that is running STP: When you plug the link cable from a working ServSwitch Agility unit into the switch port, check how long it takes for the port indicator to change from orange to green. If it takes roughly one second, portfast is on; if it takes roughly thirty seconds then portfast is disabled.

Remedies:

•Ensure that the ServSwitch Agility units and the ServSwitch iPath manager are located within the same subnet. ServSwitch iPath cannot cross subnet boundaries.

•Manually reset the ServSwitch Agility units to their zero config IP addresses.

•Enable portfast on all switch ports that have ServSwitch Agility units attached to them or try temporarily disabling STP on the switches while ServSwitch iPath is attempting to locate ServSwitch Agility units.

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Black Box ACR1000A-T, ACR1002A-R, ACR1000A-R, ACR1002A-T manual There are a few possible causes
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ACR1000A, ACR1000A-R, ACR1002A, ACR1002A-T, ACR1002A-R specifications

The Black Box ACR1000A-T, ServSwitch AgilityTM, Agility DualTM, ACR1002A-R, ACR1002A-T, and ACR1002A are advanced solutions designed to optimize switching and management capabilities in complex IT environments. These devices cater to various needs, primarily focusing on KVM (Keyboard, Video, Mouse) switching and user-friendly operations, making them invaluable in data centers, server rooms, and large corporate infrastructures.

The Black Box ACR1000A-T is known for its robust functionality and versatility. It supports video resolutions up to 4K, ensuring high-quality output for a range of applications. This model utilizes dual-channel audio support, enhancing multimedia experiences, while its convenient USB connectivity allows seamless integration with modern peripherals. The ACR1000A-T is designed with a user-friendly interface, simplifying multi-computer management by enabling users to effortlessly switch between systems with a push of a button.

The ServSwitch AgilityTM series elevates performance with efficient switching and extended connectivity options. Designed for high-resolution support, it ensures minimal latency in video transmission. With features such as USB and audio handling, the AgilityTM series provides an inclusive multi-functional experience, allowing users to control multiple machines from a single workstation effortlessly. The enhanced firmware updates ensure that the AgilityTM series remains on the cutting edge of technology, adapting to evolving user demands.

For environments requiring dual-access capabilities, the Agility DualTM provides a unique solution. It enables two users to share control over two different systems simultaneously, offering great flexibility and collaboration in diverse workflows. This innovative approach enhances productivity by allowing one user to work on one system while the other manages a different task, all without needing to switch setups.

The ACR1002A-R, ACR1002A-T, and ACR1002A devices focus on scalability and performance. These models come equipped with comprehensive management features, including remote access capabilities and support for various video resolutions. Ideal for IT administrators, these devices streamline operations, simplifying maintenance and offering excellent reliability.

In summary, the Black Box ACR1000A-T, ServSwitch AgilityTM, Agility DualTM, ACR1002A-R, ACR1002A-T, and ACR1002A represent cutting-edge advancements in KVM technology. With their combination of high-resolution support, user-friendly interfaces, and scalability, they are essential tools in managing multiple computing environments efficiently. These devices not only enhance productivity but also align with the evolving needs of businesses in today's fast-paced digital landscape.
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