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Chapter 3
Optical Testing
FTTx testing
18
HST-3000 OLP-3057 Optical Power Meter User’s Guide
About HST-3000
threshold levels
The HST-3000’s Pass/Fail measurement mode sorts results
into four (4) areas: Over, Pass, Marginal, and Fail, as shown
in
These thresholds can defined separately for each wavelength
1310, 1490 and 1550 nm and stored in a Tolerance Mask, as
shown in
.
A default threshold mask with standard values is pre-defined
at the factory.
Loading a stored
threshold mask
If you have stored specific threshold mask values, do the
following to select the threshold mask.
Figure 4
Thresholds and result areas
Figure 5
Structure of threshold masks
Over
Pass
Margin
FAIL
Marginal
PASS
OVER
Thresholds
Results
High
Low
Device range
Содержание HST-3000 OLP-3057
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