EXFO IQS-12004B DWDM Passive Component Test System for IQS-500 User Manual
Page 419
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Definitions and Calculation Methods
DWDM Passive Component Test System
407
Crosstalk
Smallest difference between in-band (BW1) loss and other
channel band (BW1) loss (see Channel Crosstalk (dB) on
page 412).
When PDL is available, this is calculated using the average
attenuation.
Max Crosstalk
Maximum crosstalk value between the current channel and all
channels under test.
Total Crosstalk
Sum of crosstalk from other channels.
When PDL is available, this is calculated using the average
attenuation.
ORL
Lowest ORL (strongest reflection) value within BW1.
Bandpass Filters
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