EXFO FTB/IQS-88000 Series Power Blazer for FTB-2/2Pro/500/IQS-600 - Manual (Page 427)

Test Functions
Power Blazer 415
40/100G Advanced - Lanes Mapping & Skew
Reset/Manual Skew
Allows the selection of a relative delay in bit time that will be introduced for
each PCS/Logical lane.

Reset Skew sets all TX skew (bit time) values to 0.

Manual Skew allows to manually set the skew value for each
PCS/Logical lane.

All Lanes, when selected, applies the change(s) to all PCS/Logical
Lane at once.

Skew Inc/Dec Size (bits) allows to sets the increment/decrement
value that will be used when changing the TX Skew (bits) values
using the “+” and “-” buttons. Range is from 0 to 2047 for
100G/OTU4 and 0 to 4095 for 40G/OTU3/OTU3e1/OTU3e2.

PCS/Logical Lane indicates the PCS/Logical Lane numbers and All
which represents the value for all PCS/Logical Lane when the All
Lanes check box is selected.

Skew (bits) allows to set the skew value for each lane. Enter
directly the skew value in the field or use the “+” and “-” buttons to
respectively increment or decrement the skew value using the
defined Skew Inc/Dec Size value. Tapping and holding the “+” or
“-” button increments/decrements successively allowing to reach
the desired value faster. using the defined Skew Inc/Dec Size
value. Range is from 0 to 2047 for 100G/OTU4 and 0 to 4095 for
40G/OTU3/OTU3e1/OTU3e2.