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Black Box Explains... Digital Visual Interface (DVI).

The Digital Visual Interface (DVI) video standard is based on transition-minimized differential signaling (TMDS). In a typical single-line digital signal, voltage is raised to a high level and decreased to... more/see it nowa low level to create transitions that convey data. To minimize the number of tran-sitions needed to transfer data, TMDS uses a pair of signal wires. When one wire goes to a high-voltage state, the other goes to a low-voltage state. This balance increases the data-transfer rate and improves accuracy.

Although there are four types of DVI connectors, only DVI-D and DVI-I are commonly used for monitors. DVI-D is a digital-only connector. DVI-I supports both digital and analog RGB connections. collapse

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  • ServSwitch DT DVI with Bidirectional Audio
    (Version 1)
 
  • Video...Fast, easy switching simply by moving a mouse: Demo

    Streamline control with ServSwitch™ Freedom. The Freedom is a flexible, four-port, professional-grade K/M switch that provides immediate savings in both desk space and the time required to access and control... more/see it nowmultiple systems and screens. It's ideal for command and control, banking, and trade floor applications. Our technical expert Garrett Swindell walks you through configuration and use of this innovative switch and its Glide and Switch technology. collapse

  • Manual... 
  • ServSwitch Freedom User Manual
    User Manual for the KV0004A (Version 2-0b)
 

Product Data Sheets (pdf)...ServSwitch Wizard


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  • ServSwitch Freedom Installation Guide
    Installation Guide for the KV0004A (Version 1)
 

Black Box Explains...Digital Visual Interface (DVI) cables.

The Digital Visual Interface (DVI) standard is based on transition-minimized differential signaling (TMDS). In a typical single-line digital signal, voltage is raised to a high level and decreased to a... more/see it nowlow level to create transitions that convey data. To minimize the number of transitions needed to transfer data, TMDS uses a pair of signal wires. When one wire goes to a high-voltage state, the other goes to a low-voltage state. This balance increases the data-transfer rate and improves accuracy.

There are different types of DVI connectors: DVI-D, DVI-I, DVI-A, DFP, and EVC. DVI-D is a digital-only connector.

DVI-D is a digital-only connector. DVI-I supports both digital and analog RGB connections. Some manufacturers are offering the DVI-I connector type on their products instead of separate analog and digital connectors. DVI-A is used to carry an analog DVI signal to a VGA device, such as a display. DFP, like DVI-D, was an early digital-only connector used on some displays; it’s being phased out. EVC (also known as P&D) is similar to DVI-I only it’s slightly larger in size. It also handles digital and analog connections, and it’s used primarily on projectors. collapse

  • Software... 
  • ServSwitch Freedom Software
    Software for the KV0004A (Version 1.5.178)
 
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