Monthly Archives: August 2014

Icron USB Ranger 2204 for Web Cam extension application

As part of a recent project for one of our customers we were tasked with installing USB extenders at a new facility for multiple systems.  We initially purchased several less expensive 4 port USB extender hubs for the project.  Though the product came with a driver CD they actually worked with just plug and play on our Windows 7 laptops.  The problem we ran into was that they did not support our USB web cams which were the primary devices we needed for the project.

00-00256 Icron USB 2.0 Ranger 2204 Extender with four Port Hub

00-00256 Icron USB 2.0 Ranger 2204 Extender with four Port Hub

I called and talked to KVMSwitchTech’s support department.  It turned out that there is a known issue with many USB extenders and web cameras.  They recommended replacing the devices with the 00-00256 Icron USB Ranger.  The 2204 USB Rangers are the only extenders I have found that actually support isochronous data transfer.  After receiving the new extenders we were able to once again use the plug and play functionality of USB to instantly connect and recognize the extender as well as all of our remote USB devices including, finally, the web cameras.  The moral of the story is that not all USB 2.0 extenders are created equal and it’s important to know what device types you are using.  And a special thanks to the guys at KVMSwitchTech who actually spent the time to help sort out the problem.


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Which should I use DVI-D to VGA or VGA to DVI-D?

DVI-D to VGA converters connect new technology like a new DVD or Bluray player to aged equipment that have only VGA functionality such as an older monitor or projector.  DVI-D to VGA can be handled with several options.

DVI-D to VGA Converter

DVI-D to VGA Converter

The first is a device like the SCA-DVI-ANA. The SCA-DVI-ANA is a scalar converter dongle with a maximum resolution of 1920×1200.  The resolution is factory set to a specific resolution and once set cannot be changed.  For situations with variable resolutions, the SCA-DVI-ANA-UN is a simple device with dip switches which allow users to define the resolution based on the current installation.  These devices eliminate the need to buy new monitors and can be vital for installations with integrated locked down hardware.

Conversely, VGA to DVI-D converters upgrade analog video signals to digital, this is more likely to occur in timeworn infrastructure settings.  Quality analog to digital converters can automatically detect and display and output the correct VGA resolution on the digital DVI monitor.  The SCA-VGA-DVI has dual outputs (one VGA loop and one DVI-D Single link)which enables user to connect one VGA monitor and one DVI-D single link monitor for dual monitor applications.  This is also handy for confirming that the converter is getting a signal from the VGA source.  These devices also have a maximum resolution of 1920×1200. You can order DVI-D to VGA Video Converters online at KVMSwitchTech.

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VGA Extenders an Ideal Product for Analog Video Signal Extension

This VGA Extender is an ideal product to extend analog video signal up to 1000ft away from the video source. It has an additional VGA loop port on the transmitter unit to connect a local VGA Monitor.

VGA Extender over CAT5e/CAT6 Cable Extends up to 1000FT

VGA Extender over CAT5e/CAT6 Cable Extends up to 1000FT


Some of the key applications for this unit are video monitoring and surveillance, digital signage, IT presentations and demonstrations. VGA over Cat5 extender, VGA-BAL-1000 is available with options like audio, RS232 and IR support. Each of the extender receiver units features a separate gain and peaking rotary switch used for adjusting brightness and skew over long distances

Key Features

  • Extend high resolution VGA signal over a single Cat5e/6/7 cable
  • Adjust GAIN and PEAK levels to adapt for variable UTP cable lengths
  • Supports maximum resolutions up to WUXGA
  • CAT5e/6/7 output via RJ45 Jack
  • Transmitter includes local VGA Monitor Output
  • EDID Compliant
  • 5VDC external power supply included

Advantages of using a VGA Extender

These units are designed to extend audio and video signals directly from your VGA Video source over a single Cat5e/6/7 cable. You can use your laptop, desktop, or a blue ray player to display crisp and clear high resolution images up to 1000ft. These reasonably priced VGA extenders can be used in any environment including SOHO, Commercial, Information Technology and Government applications.

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