EXFO FTB-5700 Single Ended Dispersion Analyzer for FTB-500 - Manual (Page 9)

Introducing the FTB-5700 Single-Ended Dispersion Analyzer
Single-Ended Dispersion Analyzer 3
Basic FTB-5700 Single-Ended Dispersion Analyzer Operation
Once the fiber end event position is found, the unit checks the dynamics
and evaluates the wavelength range over which to perform the
measurement. It then selects the acquisition conditions and sequence of
the measurement before starting the acquisition itself.
You must also remember that the fiber under test (FUT) must meet the
following requirements for optimal testing conditions:
³
The FUT length must be terminated by a UPC connector.
³
The FUT length must be less than 120 km.
³
The FUT must not have a filter at 1550 nm.
Note: Since the instrument is single ended, it cannot measure through
components that allow light to travel only in one direction, such as
amplifiers and circulators.