Black Box ACU2009A, ACURA001A Remote Unit Configuration & Operation, Video Configuration Overview

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SERVSWITCH BRAND CATX KVM EXTENDER FAMILY

4.Remote Unit Configuration & Operation

Cat5/5e/6 cables are specifically designed for networking applications and not for transmitting analog video. Your CATx KVM extender includes, and requires, advanced technology to enable its use at high screen resolutions. This section describes how to optimize the video signal, configure the Extender system and operate the Remote unit.

For details about flash upgrading and external configuration see Appendix C: Remote Unit: Flash Upgrading & External Configuration, page 54.

For more information about serial/audio port operation, see Appendix E: Audio/Serial Ports, page 58.

4.1Video Configuration Overview

To get the best out of your extender system it is essential that you configure it correctly and tune the video signal. Tuning is necessary because of distortions that occur in a video signal when it is transmitted over lengthy CATx cables. Generally, you only need to carry out this procedure after installation. The system stores settings in an EEPROM in the Remote unit and restores them whenever the unit is powered up.

When you have installed your extender system, run an application that requires a high screen resolution. Examine the video image on the Remote console’s monitor. You may see some of the following distortion effects:

Smearing: black smearing at the right-hand edge of large horizontal objects such as title bars and characters. To correct this smearing requires adjustment of LF equalization.

Loss of Sharpness: Loss of high frequency (HF) signals causes blurring and lack of detail. To correct this requires adjustment of HF equalization.

Color Separation or Skew: This arises because of timing differences in the reception of signals for the individual colors. Each color in the RGB (Red, Green, Blue) video signal is sent down a separate pair of wires in the Interconnect cable. On many cables, the twist rates differ and this leads to each color arriving at a slightly different time and therefore spreading out on the screen. Skew becomes a major problem at high screen resolutions and with long CATx cables. To correct for skew, the ‘faster’ colors must be delayed to arrive at the same time as the slowest.

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Contents ACUR001A ACUR002A ACURA001A ACURA002A Servswitch Family Welcome to the ServSwitch FamilyCopyrights and Trademarks Servswitch Brand Catx KVM Extender FamilyFCC/CDC Statements European Union Declaration of Conformity NOM Statement Servswitch Brand Catx KVM Extender Family Safety Precautions and Installation Guidelines Safety Precautions and Installation GuidelinesContents Contents Quick Setup Quick Setup Command SummaryGlossary IntroductionOverview Features Product Range Interface Compatibility CompatibilityExtender Compatibility ACU1049AAdjusting Video How to Use This GuideConnection & Compatibility Interconnection CablePackage Contents InstallationInterconnection Cable Requirements InstallationRemoteUnit Audio Device Remote Unit InstallationRemote Unit front view Computer Local Unit Local Unit InstallationLocal Unit Dual Video rear view Local Unit Dual Video front view Remote Units Compatible Local Rack Hubs Connection to Rackmount Hub Local UnitsSimple system using ACU1006RA hub and ACUR001A ACU1006RA rack used with ACUR002A units to extend Video Configuration Overview Remote Unit Configuration & OperationRemote Unit Configuration & Operation Video AdjustmentsAssisted EQ Quick SkewKeyboard LED flashes Video channel Command ModeStatus LEDs in Command Mode Online test card available at Adjusting VideoLeft Control + Home Problems with smearing and sharpness requiring LF Red Remote Unit Configuration & Operation Reset Commands Other Remote Configuration & Operation OptionsPrivate Mode Commands Local Unit Scroll Lock Key Mode Local Unit Configuration CommandsCommand Key Sequence Local Unit Initial Hot Key Overview PowerLocal Unit Operation Keyboard and Mouse EmulationChanging the Initial Hot Key Dual Access SystemsCommand Key Sequence Private Mode Scroll Lock Local Console CommandsReset Local Keyboard and Mouse Num-Pad Up Arrow Send Null Mouse Byte Num-Pad Left ArrowVideo Can’t get enough color delay to correct skewImage is not sharp, or is badly smeared Can’t get rid of bright ‘ringing’ after charactersTroubleshooting Keyboard & Mouse Serial AudioCan the extender be daisy chained? General QuestionsWhich interconnection cable is best? Can the extender system be used between buildings?Appendix a Example Applications Appendix a Example ApplicationsDual-monitor consoles with serial and audio extension Touch screen network with local access to CPU through Information distribution system sharing a single PC Extender system with second screen for security monitoring RMK19U-X3 Mounting Kit Appendix B Rack Mount OptionsRMK19U-R2 Mounting Kit Appendix B Rack Mount OptionsUpgrade Cable Part No Acuflh Dealing with Severe Skew Appendix D Advanced Cabling Issues SkewGreen Delay Pin Color Signal EIA-568B Cable Pinning/PairingPins Pair Signal Optimizing Pairs General SolutionSerial Interface Handling Multiple Serial Devices Operation & Multi-Port ConfigurationSerial Interface Set Up and Operation Appendix E AUDIO/SERIAL Ports Audio Interface Set Up and OperationAudio Interface Using a Microphone Shipping and Packaging Appendix F Calling Black BoxAppendix G Specifications Local Unit Connectors Signal levelsRemote Unit connectors Local Power UnitStorage Temperature Operating TemperatureACU2201A ACU2222APage Customer Support Information