EXFO iOLM - Manual (Page 148)

Managing Files
142 iOLM
Exporting OTDR Bellcore Files
Exporting OTDR Bellcore Files
The Export option allows you to manually export a OTDR Bellcore file to
the disk. If multiple wavelengths are present in the iOLM measurement, a
Bellcore (.sor) file is generated for each wavelength.
To export .sor file:
1. From the Main Menu, tap File.