EXFO MAX-860 - Page 345

Test Functions
MaxTester 337
OH BERT
The current and history status for enabled overhead group is as follows:
BERT
 Overhead group selector: Allows selection of the overhead group on
which Pattern Loss condition and the Bit error statistics will be
reported. Only enabled overhead group from OTUx/ODUx are listed.
 Pattern Loss indicates that the PRBS15 sequence synchronization is
lost.
 Bit Error indicates that bit errors are detected on the selected
overhead group bytes.
Bit Error
 Overhead group selector: Allows selection of the overhead group on
which bit error will be injected. Only enabled overhead group from
OTUx/ODUx are listed; All selects all enabled overhead group.
 Inject generates bit errors on the selected overhead group bytes.
Reset
Clears all OTUx/ODUx status as well as Pattern Loss and Bit Error
statistics.
Status
Mode
BERT SYNC
Green No alarms/errors. Overhead group bytes are synchronized.
Red Alarms/errors condition detected. Un-synchronized overhead group bytes
condition detected.
Gray Pending state