Black Box ACS236A, ACS235A manual Servswitch Brand Fiber KVM Extenders

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SERVSWITCH™ BRAND FIBER KVM EXTENDERS

6.2 Making Video Adjustments with the Remote Module’s User Controls

If the image from your computer that’s displayed on the remote monitor is badly distorted, this might be the result of a video-signaling problem. Refer to Chapter 3 (especially Section 3.2.1) or Chapter 4 for ways in which you can modify the way the ServSwitch Brand Fiber KVM Extenders handle the sync and color signals.

If the image is not distorted but the colors are off, we first suggest that you try tweaking the contrast and brightness dials on the rear panel of the ServSwitch Brand Fiber KVM Extender’s Remote Module. Once you get the image as close as you can to how it should look, try adjusting the image with the monitor’s controls.

If this doesn’t work, you might try disabling the Extenders’ automatic gain control (see Sections 3.2.2 and 3.3.2 for the ACS235A PC model or Sections 4.1.2 and 4.2.1 for the ACS236A Sun model), then using a tiny screwdriver to turn any of the three gain-control screwdials with which you can manually control the gain of the red, green, and blue color signals. These are also on the rear panel of the Remote Module: Each screwdial is just above and to the left of the fiberoptic connector carrying the color signal it controls, so the red screwdial is next to the red connector, green next to green, and blue next to blue. Be careful if you do this; when you make manual adjustments like these, it’s very easy to throw the color of your monitor display entirely out of whack.

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Contents ACS235A ACS236A Welcome to the ServSwitchTM Family Servswitch Brand Fiber KVM Extenders RADIO-FREQUENCY Interference Statements Servswitch Brand Fiber KVM Extenders NOM Statement Contents Table of Contents Cable SpecificationsSpecifications Temperature Overview IntroductionComplete Package Configuring for RGB Video Configuring the ACS235AImportant Notes Jumper Settings Locations of the ACS235A Local Module’s jumpers Setting the Jumpers in the Local Module OptionalSetting the VGA/RGB jumpers Setting VGA-to-RGB jumper JP2 Locations of the ACS235A Remote Module’s jumpers Setting the Jumpers in the Remote Module OptionalSync-on-color jumpers and diodes Setting gain-control jumper bank JP8 Setting Vsync jumper JP9 Configuring the ACS236A Locations of the ACS236A Local Module’s jumpers Setting video-handling jumpers JP2 and JP10 Locations of the ACS236A Remote Module’s jumpers Setting gain-control jumper bank JP8 Setting Vsync jumper JP9 Guidelines and Limitations for Attaching Equipment Installation1 CPU Keyboard and Mouse Connecting a CPU or KVM Switch to the Local Module Installation Servswitch Brand Fiber KVM Extenders Installation Running Fiber Cable Between the Local and Remote Modules Powering Up the Rest of the System Connecting Power to the Local and Remote ModulesInterpreting the Remote Module’s 7-Segment Display OperationOperation Servswitch Brand Fiber KVM Extenders Things to Try First TroubleshootingShipping and Packaging Calling Black BoxAppendix a Pinouts Connectors on Both ModelsConnectors on the ACS235A Pin Signal Direction Signal Pin Connectors on the ACS236ASignal Direction Figure B-1. The RMK235 Rackmount Kit Appendix B Rackmounting the ExtenderFigure B-2. The rackmount assembly RMK235 shown Customer Support Information Welcome to the ServSwitchTM Family Servswitch Brand Fiber KVM Extenders RADIO-FREQUENCY Interference Statements Servswitch Brand Fiber KVM Extenders NOM Statement Contents Table of Contents Specifications Specifications Connectors ACS236A Introduction Complete Package Configuring the ACS235A Important Notes Jumper Settings Setting the Jumpers in the Local Module Optional Setting the VGA/RGB jumpers Setting VGA-to-RGB jumper JP2 Setting the Jumpers in the Remote Module Optional Sync-on-color jumpers and diodes Setting gain-control jumper bank JP8 Setting Vsync jumper JP9 Configuring the ACS236A Locations of the ACS236A Local Module’s jumpers Setting video-handling jumpers JP2 and JP10 Setting the Jumpers in the Remote Module Optional Setting gain-control jumper bank JP8 Setting Vsync jumper JP9 Installation 1 CPU Keyboard and Mouse Connecting a CPU or KVM Switch to the Local Module Installation Servswitch Brand Fiber KVM Extenders Installation Running Fiber Cable Between the Local and Remote Modules Connecting Power to the Local and Remote Modules Operation Operation Servswitch Brand Fiber KVM Extenders Troubleshooting Calling Black Box Appendix a Pinouts Connectors on the ACS235A Pin Signal Direction Connectors on the ACS236A Signal Direction Appendix B Rackmounting the Extender Figure B-2. The rackmount assembly RMK235 shown Page

ACS236A, ACS235A specifications

The Black Box ACS235A and ACS236A are advanced video and audio extenders designed to facilitate the transmission of high-quality multimedia signals over long distances, utilizing standard Ethernet infrastructure. These devices are essential for professional audio-video applications, such as conference rooms, classrooms, and broadcast studios, where reliable and high-definition signal distribution is crucial.

One of the standout features of the ACS235A and ACS236A is their support for high-definition video formats, including 1080p and 4K resolutions. This capability ensures that users can experience stunning visuals without degradation, even when transmitting over extensive distances. Both models utilize HDBaseT technology, which enables the transmission of uncompressed HD video, audio, control signals, and power over a single Cat5e/6 cable. This simplifies installation and reduces cabling costs while providing exceptional performance.

The ACS235A is equipped with HDMI input and output, making it ideal for connecting a variety of devices such as projectors, monitors, and media players. Its compact design allows for easy integration into existing setups without occupying excessive space. Additionally, it supports Power over Ethernet (PoE), meaning that it can receive power through the same cable that carries the data, enhancing flexibility in deployment.

Similarly, the ACS236A provides comprehensive support for audio and video formats and includes additional features such as RS-232 and IR control. This capability allows users to manage their equipment remotely, making it easier to control presentations or switch between multiple sources. The built-in LED indicators provide real-time status updates, making it simpler for users to monitor the system’s operation.

Both models are designed with durability in mind, incorporating robust housings and reliable connectors that ensure longevity even in demanding environments. Furthermore, they both support a wide range of operating temperatures, making them suitable for various installations, from corporate settings to educational institutions.

In summary, the Black Box ACS235A and ACS236A are powerful audio-video extenders that combine advanced technology with user-friendly features. Their ability to deliver high-quality signals over significant distances, along with remote control capabilities and efficient designs, makes them an excellent choice for anyone looking to enhance their multimedia installations.
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