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Chapter 8 Optical Spectrum Measurement
OSA optical spectrum analyzer Setup
For example, with a 10 dB splitter, the results will be augmented by 10 dB. The
trace will be offset upwards by 10 dB. A channel measured at -30 dBm will be
displayed -20 dBm.
Display Parameters
In the Setup page, press Display softkey (if one parameter is selected in the current
screen, press Top Menu soft key to display the right menu keys and click on Display).
Those parameters are valid for all traces present on the screen.
Grid
Go to the
Grid
choices and modify them if required.
Five possible types of grid are proposed with different corresponding values, some of
which are fixed or non-applicable, others editable.
The type «Conventional» and the option «Without» do not give access to the parameters
of the Grid sub-menu; the LR4/ER4-100G, LR4/ER4-40G, and the 10x10-100G are fix
channels plan;.
•
LR4/ER4-100G
•
LR4/ER4-40G:
•
10x10-100G
1571 nm, 1579 nm, 1587 nm, 1595 nm
The others give access to certain options, as shown in the table below:
Table 6
Grid menu options for each type of grid
ITU CWDM
Grid name
ITU standard
256
line to access the Grid sub-menu. Select the
229.0 THz, 229.8 THz, 230.6 THz, 231.4 THz
1271 nm, 1291 nm, 1311 nm, 1331 nm
1523 nm, 1531 nm, 1539 nm, 1547 nm, 1555 nm, 1563 nm,
ITU DWDM
Editable
G.694.2
User Manual
Regular
Editable
G.692
78000010220 Rev. 024
Type
line to see the different
Manual
Editable
Editable
N/A
N/A
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Troubleshooting
