OTDR Viewer


OTDR Viewer is a free, limited functionality version of the AQ7932 OTDR Emulation Software that allows OTDR file viewing and analysis, not including printing function and report creation function.

Applicable Model

AQ7270 series, AQ7275 series, AQ1200 series, AQ7280 series, AQ1000 series, and AQ1210 series


Please read following procedures before performing the installation.

  • Download the new software version in zip format (OTDRViewer***EN.zip /OTDRViewer***CH.zip /OTDRViewer***KO.zip) into any temporary folder.
  • After downloading and unzipping the zip file, InstallLanguageSelect.exe will appear.
  • Execute InstallLanguageSelect.exe to start the installation.
  • Select the language of the program from the pull-down menu.
  • Click [OK] so that setup wizard window will appear.
  • To follow the instructions, Yokogawa OTDR Viewer will be installed.
    *Uninstall the current version program. Follow "Control Panel" → "Add/Remove Programs". Select "Yokogawa OTDR Viewer" to uninstall it.



Please read Software Agreement carefully before downloading.


Version R7.01
Release Date Jun 21, 2019
File Name OTDRViewer701EN.zip (English) 29.8 MB


OTDRViewer701CH.zip (Chinese) 29.8 MB


OTDRViewer701KO.zip (Korean) 29.8 MB


Type Software


* Software Agreement
  • The property rights, proprietary rights, intellectual property rights, and all other rights associated with the software are held by Yokogawa Electric Corporation.
  • Under no circumstances is any dumping, reverse compiling, reverse assembly, reverse engineering, or any other kind of alteration or revision of this software allowed.
  • This software is offered free of charge, but no unlimited warranties are made against any defects whatsoever.
  • Also, Yokogawa may not be able to accept inquiries regarding repair of defects in or questions about this software.
  • The contents of this software are subject to change without prior notice as a result of continuing improvements to the software\'s performance and functions.
  • Yokogawa bears no liability for any problems that may occur during download or installation of this software.
  • Use of the Yokogawa Web site is at the user\'s own risk.
  • Any parties contributing to the creation or distribution of the contents on the Yokogawa Web site shall bear no responsibility whatsoever for any damages occurring as a result of the use of said contents.

Downloading of the software indicates acceptance of the software agreement.

Related Products & Solutions

AQ7932 OTDR Emulation Software

AQ7932 is application software that performs analysis of trace data from the OTDR on a PC, and conveniently creates professional reports. The built-in report creation wizard function makes this task simple, quick and easy.