EXFO FTB-7000 OTDR Series for FTB-500 - Manual (Page 215)

Managing Trace Files
OTDR 201
Saving a Trace in a Different Format
Note: Changing the file extension from Windows Explorer does not change the
file format of EXFO OTDR traces. You must use the application to save your
files.
FTB-300 .ftb300
³
Compatible with ToolBox 5 and the FTB-300
UTS, as well as with all versions of ToolBox 6.
³
If the original file has more than one
wavelength, the application will generate a
.trc file for each of them.
ASCII .asc A 500-point trace with all acquisition parameters
in ASCII format
ASCII+ .asc Contains all OTDR acquisition points (8000 to
128 000 points) with all acquisition parameters in
ASCII format.
I
MPORTANT
Once a trace is stored in ASCII format, you cannot recall it as a trace
in the OTDR. Therefore, save the trace in the default EXFO OTDR
format first.
File format File extension Description