EXFO FTB/IQS-88000 Series Power Blazer for FTB-2/2Pro/500/IQS-600 - Manual (Page 116)

Test Setup - Test Configurator, Timer, and System
104 FTB/IQS-88000 Series
BERT and Unframed BERT
DSn/PDH Interfaces:
For Multi-Pattern, see Multi-Pattern Configuration on page 108.
When User Pattern is selected, enter the payload pattern hexadecimal
value.

Invert check box, when selected (cleared by default), inverts the test
pattern meaning that every 0 will be changed for 1 and every 1 for 0.
For example, the pattern 1100 will be sent as 0011. Not available when
pattern is Multi-Pattern.
Pattern DS0, E0 DS1 DS3, E1 E3, E4
0000
1010
1100
1111
1in8
1in16
2in8 X X X X
3in24 X X X X (E3 only)
T1 DALY
55 OCTET
Multi-Pattern - X - -
PRBS9 X X X X
PRBS11 X a
a. Default value.
X X X
PRBS15 X X a X
PRBS20
User Pattern X X X X
PRBS23 - X X X a
PRBS31 - X X X
QRSS - X a - -
Null Client - - - -