Pattern Errors
Transport
Set the Allocation ratio of OTUk, ODUk or TCMi. These parameters are
displayed if Type is M.2401/M.2110.
Section Objective (SESR)
Set the limit of SESR (Severely Errored Seconds Ratio). SES (Severely
Errored Second) is a one-second period which contains 15% or more
errored blocks or at least one defect.
Section Objective (BBER)
Set the limit of BBER (Background Block Errors Rate). BBE (Background Block
Error) is an errored block not occurring as part of an SES.
7.3.2.2 Thresholds
Touching the Thresholds button in the navigation area displays the
following screen.
This screen contains the parameters for setting up the various threshold
values (i.e. limits) for errors and Pass/Fail status that are used during the
monitoring.
Allows you to enable monitoring of pattern errors (i.e. bit errors) and to set up
a threshold value for the bit error ratio. Select the check box to enable the
parameters.
Choose whether the threshold is specified as an absolute value or a
percentage, using the Count, Ratio and Ratio [%] radio buttons, and then
specify the value in the Threshold field.
Select the check box to enable the transport-related parameters.
Interface
Fix to OTN.
Evaluation item
Use the drop-down menu to select the item to evaluate. If selecting other
than Any Alarm or Error, another menu appears.
Evaluation type
Select the relevant type.
Pass & fail threshold
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