Many techs rely on the proprietary software that came with their OTDR (e.g., EXFO FastReporter, Viavi StrataSync). While powerful, these are heavy, expensive, and require licenses. Not having a backup universal viewer for when a contractor sends you a file from a different brand.
Hardware testing units are expensive. Instead of keeping a technician on-site with a $5,000 device just to analyze data, the files can be emailed to a remote engineer using a free desktop viewer. otdr viewer
Zooming in with your mouse isn't accurate. A proper viewer lets you set (A, B, C). Instead of saying "The break is somewhere around kilometer 4," you can say "The break is exactly 4,231m from the launch cord." That saves hours of driving. Many techs rely on the proprietary software that
Do you prefer "Real Time" mode for troubleshooting or "Dead Zone" mode for certification? Let me know in the comments! Hardware testing units are expensive
Your OTDR hardware is a $10,000 camera. Your OTDR viewer is the darkroom where you develop the photo.
A chaotic, fuzzy line at the end of the trace indicates the point where the light pulse has completely depleted.