8-34
IM AQ1210-01EN
Loopback Operation (operation of the light source and optical
power meter)
AQ1210A, AQ1215A,
AQ1210E, AQ1215E,
AQ1215F, AQ1216F
Light source
Optical power meter
Optical fiber cable
under loss test
OTDR port (PORT1)
OPM port
Loopback
Loopback Display Screen
6.
Tap the
Function
soft key to select
Loop Back
. You can now operate the loopback display
screen. On the loopback display screen, you can operate the light source screen and the
optical power meter screen. For descriptions of the display screens, see page 8-30 (optical
power meter) and page 8-31 (light source).
Optical power adjustment
Before a loss test, you can adjust the
amplitude of the optical output of the
light source.
Performs zero set
Starts the loss test
The light source generates the specified wavelengths of
measurement light in order. The optical power meter
measures the optical power of the light that it receives.
Saves data
A screen appears for saving
the results of optical power
measurements for multi-fiber
cables. See page 7-12.
8.3 Performing an Auto Loss Test (Auto Loss Test)