Optical time-domain reflectometer

It is the optical equivalent of an electronic time domain reflectometer which measures the impedance of the cable or transmission line under test.

The instrument is also judged on the basis of its cost, features provided, size, weight, and ease of use.

This data was based on the specifications in GR-196, Generic Requirements for Optical Time Domain Reflectometer (OTDR) Type Equipment.

This file conversion software can be developed by the hardware supplier, the end user, or a third party.

While text information is contained in several fields, most numbers are represented as either 16-bit (2-byte) or 32-bit (4-byte) signed or unsigned integers stored as binary images.

For this reason, the use of a scale factor has been introduced to expand the data point power range.