The length of time before the ports making up the redundant port pair revert back to their orignal active or standby roles as defined before the timed switchover was setup. The value of this object is meaningful (i.e., non-zero) only when the redundant port pair is undergoing a timed switchover, which is indicated by the object s3EnetRedPortSwitchoverStatus having the value of timedSwitchover(2). This object may only be written in the same SET request that changes the object s3EnetRedPortSwitchoverStatus to timedSwitchover(2). Afterwards, it indicates the amount of time left before the timed switchover is completed, at which time another switchover occurs and s3EnetRedPortSwitchoverStatus is changed to other(1). This object has the value of zero if the port is not undergoing a timed switchover, or if the amount of time is unavailable.