Overview on our website

Since more than 25 years we enjoy our customers' full confidence as a manufacturer of high quality KVM systems and products.

• Press & News

  Products, partners developments in KVM and participation in trade shows - Keep informed about the KVM industry with G&D.

  • Product innovations

    Keep up-to-date with the latest product innovations at Guntermann & Drunck - The result of continuous development work.

  • Press & News

    New products, new partners, new developments in KVM and participation in trade shows - These and more are topics we write about

  • Press contact

    Exclusive for journalists - subscribe to our press mailing list and don't miss any news about us, our products and applications.

• KVM solutions

  The broad G&D portfolio provides the fitting KVM solution for your application. Your tailored KVM system with compatible components.

  • KVM extenders

    Our KVM Extender systems enable you to operate your computers over distances up to 10,000 m in highest resolution (4K, DVI and VGA)

    • DP1.2-VisionXG

      Native 4K KVM extender solution for your mission-critical application with DisplayPort 1.2 technology

    • DP1.2-Vision

      Extend computer signals up to 10,000 metres. DP1.2-Vision enables you to operate a computer over two competing consoles (local and remote).

    • DP-Vision

      Extend computer signals up to 10,000 metres. DP-Vision enables you to operate a computer over two competing consoles (local and remote).

    • DP-Vision-IP

      Transmits DisplayPort 1.1a signals over standard IP-based networks, CAT, layer 3 - pixel perfect, with low latency and ideal hand-eye coordination

    • DL-Vision

      Extender solution for your mission-critical application with dual link DVI bandwidth and monitoring functions over web interface, SNMP and Syslog.

    • DVI-Vision

      Extend computer signals up to 10,000 metres. DVI-Vision enables you to operate a computer over two competing consoles (local and remote).

    • LwLVision

      Extend computer signals up to 10,000 metres. LwLVision enables you to operate a computer over two competing consoles (local and remote).

    • CATVision

      Use 2 competing consoles (local and remote) to extend analog video (with delay compensation) and other computer signals up to 300 metres.

    • RS232-Extender

      Extent transparent RS232 signals over distances of up to 300 metres (up to 400 metres in slow mode) using CAT cables.

    • USB extenders

      Transmit transparent USB 1.1 or USB 2.0 signals up to 100 metres over CAT cable or up to 10,000 metres over fibre optics.

    • Audio-Transceiver

      The AudioTransceiver system extends and amplifies your audio signals in stereo/cd quality. CAT cables transmit the signals up to 600 metres.

    • FireWire-Transceiver

      The FireWire-800 transceiver system extends bi-directional signals according to the IEEE1394b protocol over fibre optics up to 500 metres.

  • KVM switches

    KVM switches operate 2 to 64 computers over one console. We offer several variants to provide a solution for your individual application.

    • DP1.2-MUX

      The KVM switch DP1.2-MUX operates several computers over one console and supports DisplayPort 1.2 (4K), keyboard/mouse (PS/2 + USB), audio & USB 2.0.

    • DP1.2-MUX3-ATC

      The KVM switch DP1.2 MUX3 ATC. Switch between computers in real time thanks to the newly developed instant switching technology. With native 4K UltraHD support. The perfect KVM switch for mission-critical environments.

    • DP1.2-MUX-NT

      Save peripherals at 4K DisplayPort workstations with the DP1.2 MUX-NT KVM switch. Including G&D's Monitoring & SNMP for mission-critical applications.

    • DP-MUX

      The KVM switch DP-MUX operates several computers over one console and supports DisplayPort + DVI, keyboard/mouse (PS/2 + USB), audio, USB 2.0.

    • DL-DVI-MUX-NT

      Save peripherals at Dual-Link-DVI workstations with the DL-DVI-MUX-NT KVM switch. Including G&D's Monitoring & SNMP for mission-critical applications.

    • DL-MUX

      The KVM switches operate up to 4 computers and provide safety features for monitoring over web interface, syslog and SNMP.

    • DVIMUX-DL

      The KVM switch operates up to 8 computers over one console and supports dual + single link DVI and VGA, keyboard/mouse, audio, USB 2.0.

    • DVIMUX

      The KVM switch operates 2,4 or 8 computers over one console and supports DVI and VGA, keyboard/mouse (PS/2 + USB), audio, USB 2.0.

    • miniMUX

      The KVM switch operates 2, 4 or 8 computers over one console and supports VGA, keyboard/mouse (PS/2 + USB) and multi-video.

    • QuadMUX

      The KVM switches operate up to 4 computers over one console and support VGA, keyboard/mouse and multi-video with scenarios.

    • TradeSwitch

      The KM switches, TradeSwitch, enables you to operate 2, 4 or 8 computers over only set of one keyboard and one mouse.

  • Digital KVM matrix systems

    Access multiple computers with DVI video over simultaneous consoles which are connected to the matrix switch over IP, locally or remotely.

    • Central modules

      Central modules form the core of digital KVM matrix systems. Here, any connected computer modules and user modules are administered and assigned.

      • ControlCenter-Digital

        The ControlCenter-Digital lets you operate multiple computers via multiple consoles. Its modular setup is highly flexible and ready for you.

      • ControlCenter-Compact

        The ControlCenter-Compact is available in variants with CAT, Fiber and mixed ports. It's also available in many different sizes, going from 8 ports up to 176 ports.

      • DVICenter

        With DVICenter KVM matrix systems, you can operate up to 63 computers over up to 63 simultaneous user modules depending on the variant

    • Computer modules

      When connected to the digital KVM matrix systems, the DVI-CPU target modules solely access the external keyboard, video, mouse and audio interfaces.

    • Console modules

      The DVI-CON connects the consoles to the digital KVM matrix systems. The DVI-CON provides the interfaces DVI, keyboard, mouse and audio.

    • Operation & Configuration

      Operation of the digital KVM matrix systems via web interface, OSD and hotkeys with comprehensive rights administration and central configuration.

    • Expansions

      Digital matrix systems can be expanded on the console or the computer side. Optionally are remote power switching, TS function, Push-Get and more...

  • Analogue KVM matrix systems

    Access multiple computers with analogue video over simultaneous consoles that are connected to the matrix switch over IP, locally or remotely.

    • Central modules

      Central modules form the core of analogue KVM matrix systems. Here, any connected computer modules and user modules are administered and assigned.

      • CATCenter NEO

        The system operates multiple computers over multiple consisting of computer modules, the central matrix switch and user modules.

      • CATCenter-X

        The modular CATCenter X2 system efficiently administrates and operates multiple computers through up to two consoles.

      • CompactCenter X

        The CompactCenter X2 efficiently administrates and operates up to 16 computers over two integrated consoles (IP + local).

    • Computer modules

      Computer modules connect the computer's external keyboard, video, mouse, and audio interfaces with the central modules.

    • User modules

      The user modules connects the workplaces with the analogue KVM matrix system. User modules are connected via CAT cable or fibre to the central module.

    • Operation & Configuration

      The analogue KVM matrix systems, depends on the product, are operated via: OSD + hotkeys, web interface, KVM-IP client (only for UCON-IP-NEO) and more

    • Expansion

      Any hardware components are connected to the CATCenter NEO and thus fully integrated into operation. Power-switching, for example.

    • Bridge function

      To be able to continue using VGA-based KVM matrix systems and to integrate digital state-of-the-art solutions, G&D developed the Bridge function.

  • Digital Signage

    With the premium Digital Signage products from G&D you extend and distribute audio and/or video signals in excellent quality.

    • DP1.2-Splitter

      The DP1.2-Splitter duplicates a computer's DisplayPort signal and distributes it to more displays with resolutions up to 4K@60Hz.

    • DiSign system

      The modular DiSign series extends and distributes the video and audio signals from one source to multiple remote output devices.

    • DVISplitter

      The DVI splitter duplicates/quadruplicates a computer's DVI signal (DVI-D single-link) and transmits the signals over great distances.

    • DVISplitter-DL

      The DVI splitter duplicates a computer's DVI signal (DVI-D dual-link) and transmits the signals over great distances.

    • VideoSplitter

      The VideoSplitter 2plus extends analogue video signals over multi-coax cable up to 110 metres. Connect e.g. a local monitor and a projector.

  • KVM add-ons

    With Add-on products, you can increase the productivity of your KVM application by using keyboard drawers and programmable input devices.

    • RackConsole

      In combination with a KVM switch or as local console of a matrix switch, RackConsoles are perfect for operating computers stored in a server rack.

    • I-Key

      I-Keys are programmable input devices. The programmed shortcuts are transmitted to the connected computer or KVM switch.

    • HK-Controller

      The HK-Controller enables the user to transmit up to 10 hotkey sequences (e.g. for switching computers) to any G&D device.

    • OperatorPanel

      The OperatorPanel enables users to switch KVM switches from their desks without having to place the switches there.

    • ActiveKey Keyboard

      ActiveKey comes with 31 programmable keys with relegendable keycaps that can be easily programmed with up to 256 key codes in up to 16 layers.

    • RGB-DVI-300

      The Extron RGB-DVI 300 is a high performance RGB to DVI scaler that converts analog video and RGBHV signals to DVI-D signals.

    • 3G-SDI-DVI-Converter

      The high-quality 3G SDI to DVI Converter enables broadcast professionals to transform SDI to DVI signals and provides an optimal solution.

    • V-Switch quad

      V-Switch quad is an exclusive combination of a multiviewer, video scaler, video converter, USB 2.0 matrix and KVM switch.

    • GPIO-Changer-PS/2

      The GPIO-Changer-PS/2 is a signal converter, which makes it easy to use the GPIO function of compatible matrix switches and their end devices

  • Accessories

    Our useful accessories help optimize your KVM installation. Among other products, we offer space-saving fasteners for racks or under-desk mounting.

    • Mounting solutions

      Guntermann and Drunck accessories: We offer some space-saving fasteners for horizontal or vertical racks and under-desk mounting.

      • Rack-Mount-Sets

        With our various rackmount sets, you can mount KVM devices in clearly arranged horizontal or vertical server racks of different height.

      • Table-Mount-Sets

        With our various table mount sets, you can mount KVM devices directly under desks to save even more space on your desk.

      • Device Carrier

        The DeviceCarriers enable you to place multiple device in small aluminium housings behind one blind on 1 or 3 rack units.

    • Power Switches & Supplies

      Power Switches & Supplies remotely switch the power supply over TCP/IP and help establishing a redundant power supply.

      • MultiPower

        The MultiPower series serves as the central power source of G&D devices that require an external power pack (for example - 12V).

      • HardBoot

        The power switch HardBoot enables the remote control of up to 8 target devices over TCP/IP and can be expanded through cascading.

      • ePowerSwitches

        The ePowerSwitch allows the remote power switching of connected devices from any web browser , by RS232 or a KVM switch.

      • Power Packs

        External power packs secure the redundant power supply of IT devices. The power packs are available in multiple variants.

  • Further information

    Get more information about features like Monitoring & SNMP solutions, KVM over IP, our Conformity declaration or changes in our product line.

    • G&D product filter

    • CrossDisplay-Switching

      With the innovative CrossDisplay-Switching users can use the mouse to easily switch between channels.

    • KVM Matrix-Grid

      A KVM matrix grid can be used in applications that desire bidirectional access between two or more matrix central units.

    • Scenario switching

      Scenario switching lets you store the switching condition of one or multiple workplaces or even of the entire system.

    • Monitoring & SNMP

      Monitor the system statuses of G&D products by Web Interface or SNMP to increase availability and avoid system failures.

    • KVM-over-IP

      Bridge any distance with our high quality KVM-over-IP solution. Access your computer with a web browser or nativly down to BIOS level.

    • Product changes

      Learn more about our discontinued products as well as products with limited availability and find out how to get support for these products.

    • Declaration of conformity

      We declare that our products are compliant to RoHS Directive 2011/65/EU of the European Parliament and the Council from 08/0/2011.

    • ISO 9001:2008 certification

• Applications

  Thanks to our modular products, we provide the fitting solution especially tailored to your individual application.

  • Broadcast

    KVM extenders help remove distracting computers from the studio and operate computers with switches and matrix switches while saving peripherals.

  • Air traffic control

    Highest concentration for air controllers: Trust in our solutions for removing computers from control centres into special server rooms.

  • Industry

    Remove computers into separate server rooms to avoid distraction from emitting heat and fan noises in industrial control rooms.

  • KVM in maritime applications

    KVM switches and extenders enable you to operate multiple computers over one console and keep all screen contents in sight.

• Downloads

  Here you can download the current catalogues, the latest drivers and the user manuals of G&D's powerful KVM portfolio.

  • Manuals

    Here you can download the latest manuals for many of G&D's efficient products. The manuals can be downloaded as pdf files.

    • KVM extenders

      We provide downloads to our updated installation and configuration manuals of G&D's group of KVM extenders as PDF files.

    • KVM switches

      We provide downloads to our updated installation and configuration manuals of G&D's group of KVM switches as PDF files.

    • KVM matrix systems

      We provide downloads to our updated installation and configuration manuals of G&D's KVM matrix switches as PDF files.

    • KVM Sharing

      We provide downloads to our updated installation and configuration manuals of G&D's KVM sharing products as PDF files.

    • KVM Add-ons

      We provide downloads to our updated installation and configuration manuals of G&D's KVM Add-On products as PDF files.

    • Digital Signage

      We provide downloads to our updated installation and configuration manuals of G&D's Digital Signage products as PDF files.

    • Power switches & supplies

      We provide downloads to our updated installation and configuration manuals of G&D's power switches and supplies as PDF files.

  • Catalogues

    Here you can download current information about us, our implemented applications and products. We provide special information for each product group.

  • Visio shapes

    With our products as shapes for Microsoft Visio, you can plan your projects consistently and easily. Download them for free.

  • Tools & drivers

    This tools and driver provides the Service socket which is connected with supplied data cable as virtual serial interface (COM port).

• Support

  Even after you purchased our products you can count on our support. We provide qualified support in all service sectors.

  • KVM training

    Technical trainings provide users and administrators with a deeper understanding of the products

  • FAQ

    What is KVM, what kind of advantages does KVM offer and what is so special about G&D's solutions? The FAQs will answer your questions.

    • KVM basics

      Our general KVM basic FAQs will answer your basic questions if you're new to the world of KVM from Guntermann & Drunck GmbH.

    • KVM extenders

      General questions and expertise about our KVM extenders, operating environments, signals, cables, special features.

    • KVM switches

      General questions and expertise about KVM switches: video signals, number of graphics cards and computers, portfolio.

    • KVM matrix switches

      General questions and expertise about KVM matrix switches: Server, console, Network, video channels, Matrix, remote, CATCenter.

  • Support request

    Contact our support team for your technical questions about our products. You can reach us by phone, email or contact form.

  • Repair

    Please use the RMA form to return goods upon prior agreement with our staff. This guarantees the quickest possible processing.

  • Return

    Returning non-defective devices - If you received an incorrect delivery or the order has not been correct, please consult our sales or support team.

• Events

  Our customers are in the focus of all our actions. Therefore, we would like to invite you to visit us at one of the following events.

  • Events

  • Experience KVM live

    Our customers are in the focus of all our actions. Therefore, we would like to invite you to visit us at one of the following events.

• Contact

  Competent, friendly and personal - We always have an open ear to respond to your request - via e-mail, phone or contact form.

  • We are there for you

  • How to find us

    If you want to experience our powerful solutions personally here at G&D, just contact our sales team and visit us in Wilnsdorf, Germany.

  • Contact form

    Competent, friendly and personal - We always have an open ear to respond to your request. Contact us and use our contact form to send your request.

  • Contact information

• Company

  Trust in G&D's long-term experience: in-house development, production, sales and support - close to the market and in the interest of our customers.

  • We are moving

  • Our company

    As an owner-managed company, we combine the core competencies of development, production, sales and service. Quality made in Germany.

  • Careers

    G&D offers you secure jobs in a company that has been successful for over 25 years. Became an active part of our team.

  • Legal disclaimer

    Dortmunder Str. 4a, D-57234 Wilnsdorf, Germany, Phone +49 27 39/89 01-100, Fax +49 27 39/89 01-120, sales[at]gdsys.de

  • Privacy

    Any personal data collected during a visit at our website - www.gdsys.de - will be protected according to the legal requirements.

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