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  • Manual... 
  • ServSwitch KVM Short-Range Extender Kit Manual
    Manual for the ACU075A-USB.
 

Black Box Explains...CAT5: When more isn’t always better.

In data communications applications, using products that exceed required capacities is usually not a problem. For example, if a 28.8K modem is required, a 33.6K or 56K model will work... more/see it nowjust fine.

But sometimes, more isn’t better. Take KVM extenders designed to expect CAT5 and only CAT5 cable. You’d expect that Category 3 cable wouldn’t be effective with these products, and you would be right.

But you may also assume that if Category 5 cable works fine, Category 5e, Category 6, and other higher-capacity cables would work even better. Unfortunately, this isn’t the case, and here’s why:

KVM extenders from many manufacturers, including ServSwitch CAT5 KVM Extenders, are designed specifically for the Category 5 specs defined by the TIA/EIA standard. Higher-level cables, such as Category 5e, have different characteristics and specifications. Although differences—specifically twist ratios—might seem small, they can have a negative impact on these extenders, which are expecting a true Category 5 transmission.

So with ServSwitch CAT5 KVM Extenders, you can think big with CAT5—just don’t think bigger. collapse


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


Product Data Sheets (pdf)...ServSwitch KVM Short-Range Extender Kits

  • Manual... 
  • ServSwitch DVI-D USB KVM-over-Fiber Extender (Single-Mode) User Manual
    User Manual for the ACS261A-SM (Version 1)
 
  • Manual... 
  • ServSwitch SRX User Guide
    Installation and User Guide (Feb-09)
 

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

  • Video...How to protect and secure your CPUs with KVM extenders.

    Tasked with keeping CPUs or servers secure? Then watch this video tutorial to learn about KVM (keyboard/video/mouse) extension technology. It shows you how to use KVM extenders to put... more/see it nowextra distance between CPUs and user consoles located in public areas. The educational video covers common applications for KVM extenders, such as schools and harsh industrial-control environments, and demonstrates how the extenders maintain high monitor resolutions at even extended distances. Later, the video goes over options for extending KVM signals wirelessly and over an IP-based connection, and spotlights extenders that feature integrated USB hubs and dual-video support. collapse

  • Manual... 
  • ServSwitch Brand CAT5 KVM Serial/Audio Extender
    Installation and User Guide (Apr-02)
 
  • Manual... 
  • ServSwitch Wizard Extenders
    Installation and User Guide for the ACU5110A, ACU5112A, and ACU5010A-R2 (Oct-05)
 
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