Channel Detection - Viavi 8100 V2 Series User Manual

Channel Detection

Signal threshold
Threshold of detection of channels (see
Auto.
Manual
Use direction keys or
NOTE
Modification of the parameters
will only modify the results if the OSA module present is the one that was
used for the acquisition.
Mode
Grid
Permanent
NOTE
At the end of an acquisition in permanent mode, it is possible to create a grid
on the basis of the channels detected. To do this, press the key
in the S
The new Grid can be shown as table by pressing View Grid in the Setup
menu.
Min. Channel spacing
Defines the minimum spacing of two adjacent optical channels in the system.
1.Attention: all modification of these parameters has immediate repercussions on the trace
and entails the loss of the measurement statistics.
1
1
the threshold is determined automatically.
the threshold can be set from -79.9 to +30 dBm
Edit Number
The grid serves as a detection reference: it must therefore be
Regular, Manual, ITU DWDM, ITU CWDM, LR4/ER4-100G,
LR4/ER4-40G or 10x10-100G. The choice of grid takes priority
over the choice Channel Selection. For example, it is not
possible to choose Channel selection = Grid, if the option
selected for the grid is «Without» or «Conventional».
Automatic detection of the channel on each acquisition. In this
mode the channels are always detected without making a
reference measurement.
menu.
ETUP
User Manual
Chapter 8 Optical Spectrum Measurement
OSA optical spectrum analyzer Setup
"Channel detection threshold" on page
to modify values.
Channel detection
78000010220 Rev. 024
and Signal threshold
Adopt Grid
266).
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