EXFO MAX-800 Series, User Manual

Page: 89 / 495

Test Setup - Test Configurator, Timer, and System
MaxTester
81
BERT and Unframed BERT
For Count , enter the maximum bit error count allowed before
declaring a fail verdict:
0
(default) to
999999
.
For Rate , enter the maximum bit error rate allowed before declaring a
fail verdict:
1.0E-14
to
1.9E-01
. The default value is
1.0E-12
for framed;
2.1E-5 for CLR4 unframed; 5.0E-5 for SR4 , CWDM4 , AOC , and Other
unframed.
Service Disruption
The Service Disruption Time (SDT) corresponds to the duration associated
to a defect that occurred in the network. For example a disruption that
occurs during a network switching from the active channels to the backup
channels or vice versa.
Note:
The service disruption measurements are cleared when changing the
criteria. Service Disruption is not available for
Multi-Pattern .

Defect
allows choosing on which layer and defect the service
disruption time test will be performed. Choices depend on the
selected test path.
Layer Defect
Interface OTN/SONET/SDH: LOS
a
DSn: LOS , BPV , EXZ
PDH: LOS , CV
Section/RS LOF-S/RS-LOF , B1
Line/MS AIS-L/MS-AIS , RDI-L/MS-RDI , REI-L/MS-REI , B2
STS/AU Path AIS-P/AU-AIS , LOP-P/AU-LOP , RDI-P/HP-RDI , REI-P/HP-REI , B3 , UNEQ-P/HP-UNEQ ,
PDI-P (SONET)
VT/TU Path AIS-V/TU-AIS , LOP-V/TU-LOP , UNEQ-V/LP-UNEQ , RDI-V/LP-RDI , REI-V/LP-REI , BIP-2
DS1 AIS , OOF , RAI , Framing Bit , CRC-6
DS3 AIS , OOF , Idle , RDI , F-Bit , C-Bit , P-Bit , FEBE
E1 AIS , CRC-4 , E-Bit , LOMF , TS16 AIS , LOF , FAS , RAI , RAI MF
E4 , E3 , E2 AIS , LOF , FAS , RAI