otsora

OTDR fiber traces, analyzed in your browser

Drop a .sor file and otsora parses it in seconds — the trace, key events and a Good/Caution/Bad health verdict. Go Pro to analyze a whole cable and find exactly where to repair it.

No account needed to try the free .sor viewer.

1-demo.sor
Live demo — 10.24 km · 0.200 dB/km
Good
Parse any .sor file instantly

Drop a trace from EXFO, Viavi, Anritsu or Yokogawa and see the curve, key events and attenuation — no vendor desktop software needed.

Automatic health verdict

Worst splice loss and slope are scored against field thresholds, so you know Good / Caution / Bad at a glance.

Whole-cable repair analysis

Upload every core of a cable to rank repair locations by how many cores are affected — go straight to the splice that matters.

Simple pricing

Free

$0/mo

For a quick look at a trace.
Single-core .sor trace viewer
Trace, key events & session info
Good / Caution / Bad verdict
Start free
Pro

$12/mo

For maintenance and QC teams.
Unlimited single-core traces
Unlimited whole-cable analysis
Ranked repair locations across all cores
Per-core cable health summary

Coming soon: end-event classification, cluster-fault detection, KML maps

Get Pro