EXFO FTB-800 Series for FTB-1 - Manual (Page 112)

Test Setup - Test Configurator, Timer, and System
102 FTB-700G/800 Series
BERT

TX Pattern/RX Pattern sets respectively the TX and RX test pattern.
Pattern DS0, E0 DS1 DS3, E1 E3, E4 SONET/SDH OTN
0000
1010
1100
1111
1in8
1in16
2in8 X X X X X -
3in24 X X X X (E3 only) - -
T1 DALY
55 OCTET
Multi-Pattern - X - - - -
PRBS9 X X X X X X
PRBS11 X
a
a. Default value.
X X X X
PRBS15 - X X
a
X X
b
b. Default value for VT1.5/TU-11/TU-12.
X
PRBS20
User Pattern X X X X X X
PRBS23 - X X X
a
X
c
c. Default value for HOP and all other SONET/SDH concatenations from
STS-1/AU-3/AU-4/TU-3 up to STS-48c/AU-4-16c.
X
PRBS31 - X X X X
d
d. Default value for STS-192c/AU-4-64c.
X
a
QRSS - X
a
- - - -
Null Client - - - - - X