Persistent. The significand of the Background Block Errors
Ratio (BBER) threshold, which is calculated by:
nbsOtnpmThresholdsBberSig x 10^nbsOtnpmThresholdsBberExp
A BBER that meets or exceeds this threshold at the end of the
nbsOtnpmThresholdsInterval period triggers the nbsOtnpmTrapsBber
notification.
The reserved value 0 disables notifications for this event.