Alarms - Viavi 8100 V2 Series User Manual

Chapter 9 OSCA-710 Optical Spectrum Measurement
OSCA optical spectrum analyzer Setup
Table 7 Grid menu options for each type of grid
Number of
channels
Channel
settings
NOTE
The maximum real number of channels for ITU grids depends on the value
selected for the first channel and the spacing between the channels.
NOTE
It is possible to display the grid with the View Grid key. A table then appears
showing the channel number, the name of the channel, the reference wave-
length and the alarm thresholds for delta F, min. P, max. P and min. SNR.

Alarms

When Channel Detection
system. This system is based on a system of thresholds. Any measurement results that
exceed these thresholds are displayed in red in the table, and the icon
the top right of the screen. If all the results are within the thresholds (no result is in red),
the icon becomes
To activate the alarm system, go to the <Alarms> line and select "Active".
Thresholds can then be set (using the direction keys or numeric keypad), to global level
or to the level of each channel:
1 Global alarms
Number of channels
Delta channel power
Delta OSNR
1.Max. acceptable variation between max. power and min. power on all channels
2.Max. acceptable variation between max. SNR and min. SNR on all channels
316
ITU DWDM
Editable, from 1 to 256
by increments of 1
Sub-menu accessible to display the wavelengths of each channel, name the
is positioned on Grid, it is possible to activate an alarm
.
Yes/No
1
No or threshold modifiable from 0.1 to 60 dB
2
No or threshold modifiable from 0.1 to 60 dB
User Manual
Regular
Editable, from 1 to 256
by increments of 1
band, and name each channel
78000010220 Rev. 024
Manual
Editable from 1 to 256
appears at