Black Box ACU2022A, ACURA001A, ACU2222A, ACUR001A, ACURA002A, ACU2201A, ACU2028A, ACU2001A, ACUR002A Red

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SERVSWITCH BRAND CATX KVM EXTENDER FAMILY

Slower

Red

Green

In this illustration, Blue is the slowest signal. To optimize the image, Red and Green need to be delayed until they align with Blue.

Blue

Faster

Figure 12

Illustration of skew and appearance on test card

Some Cat5e/Cat6 cables require a large green delay. Video quality can be often be vastly improved by using standard crossover patch cables at both ends of the link rather than straight patch cables. For details see

Appendix D: Advanced Cabling Issues (Skew), page 55.

Sometimes the optimum skew adjustment will actually be one step out from that suggested by the test card due to the way some monitors sample the signal.

The maximum amount of skew correction available is 42nS. This is more than adequate for the vast majority of cables. However, it may not be enough if you are using a particularly long run of a cable which exhibits severe delay skew.

7.If you are using one or more flat panel monitors in the Remote consoles, carry out auto-adjustment as described in the monitor’s documentation. Sometimes manual adjust of clock and/or phase is also required for optimum results and minimization of jitter.

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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 ACU1049A CompatibilityInterface Compatibility Extender CompatibilityInterconnection Cable How to Use This GuideAdjusting Video Connection & CompatibilityPackage 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 & OperationQuick Skew Video AdjustmentsRemote Unit Configuration & Operation Assisted EQKeyboard 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 Keyboard and Mouse Emulation PowerOverview Local Unit OperationChanging the Initial Hot Key Dual Access SystemsSend Null Mouse Byte Num-Pad Left Arrow Local Console CommandsCommand Key Sequence Private Mode Scroll Lock Reset Local Keyboard and Mouse Num-Pad Up ArrowCan’t get rid of bright ‘ringing’ after characters Can’t get enough color delay to correct skewVideo Image is not sharp, or is badly smearedTroubleshooting Keyboard & Mouse Serial AudioCan the extender system be used between buildings? General QuestionsCan the extender be daisy chained? Which interconnection cable is best?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 Power Unit Signal levelsLocal Unit Connectors Remote Unit connectorsACU2222A Operating TemperatureStorage Temperature ACU2201APage Customer Support Information