A count of the number of false carrier events during IDLE in 100BASE-X and 1000BASE-X links. For all other MAU or inetrafce types, this counter will always indicate zero. This counter does not increment at the symbol rate. It can increment after a valid carrier completion at a maximum rate of once per 100 ms for 100BASE-X and once per 10us for 1000BASE-X until the next CarrierEvent. Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime.