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Product Data Sheets (pdf)...Rackmount ServSwitch CAT5 KVM Extender Hubs


Product Data Sheets (pdf)...ServSwitch Brand CAT5 KVM Micro Extenders

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

Product Data Sheets (pdf)...ServSwitch DT DVI 4-Port with USB 2.0 Transparent


Product Data Sheets (pdf)...ServSwitch Spectra


Product Data Sheets (pdf)...ServSwitch Duo USB KVM Switches


Product Data Sheets (pdf)...ServSwitch Secure Plus

  • Manual... 
  • ServSwitch EC for DVI + USB Servers and DVI + USB Console (8-Port) Manual
    Manual for the KV9508A (Version 2)
 

Black Box Explains...Digital Visual Interface (DVI) and other digital display interfaces.

There are three main types of digital video interfaces: P&D, DFP, and DVI. P&D (Plug & Display, also known as EVC), the earliest of these technologies, supports both digital and... more/see it nowanalog RGB connections and is now used primarily on projectors. DFP (Digital Flat-Panel Port) was the first digital-only connector on displays and graphics cards; it’s being phased out.

There are different types of DVI connectors: DVI-D, DVI-I, DVI-A, DFP, and EVC.

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.

All these standards are 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 low level to create transitions that convey data. TMDS uses a pair of signal wires to minimize the number of transitions needed to transfer data. 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. collapse

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