Definitions for "Errored Second"
Keywords:  lof, efs, interval, crc, anomalies
Any 1-sec interval containing at least one bit error.
A one-second interval containing one or more errors. [Its reciprocal, Error Free Second (EFS), is the more commonly used term.
a one-second interval containing one or more CRC anomalies, one or more LOS or LOF defects