EXFO AXS-100 Series OTDR - Manual (Page 45)

OTDR 37
6 Testing Fibers
The OTDR offers different test modes:
³
Auto: sets all test parameters, performs tests at the specified
wavelengths, and provides complete results.
³
Fault finder: rapidly locates fiber ends and displays length of the fiber
under test. This function is available only with the optional FTTx
software package.
³
Manual (advanced): offers all the tools you need to perform complete
OTDR tests and measurements manually and gives you control over all
test parameters.
³
Real time: enables to view sudden changes in the fiber link. In this
mode, trace is refreshed instead of averaged.
You can start a test from any pane by pressing the F
AS
T
RACE
key. The unit
will use the current parameters. You can stop a test by pressing the
F
AS T RACE
key one more time.
Your unit may be equipped with two OTDR ports:
³
OTDR SM port: singlemode port to perform conventional OTDR tests
on dark fibers.
³
OTDR MM port (optional): multimode port to perform conventional
OTDR tests on dark fibers.
OR
³
OTDR SM Live port (optional): singlemode filtered port with
out-of-band wavelength to perform troubleshooting tests on live fibers.