Before revision: In data communication, an errored second is an interval of a second during which any bit error whatsoever has occurred, regardless of whether that error was a single bit error, or a complete loss of communication is not important .
After revision: for that entire second,for the purpose of counting errored secondsIn data communication, an errored second is an interval of a second during which any bit error whatsoever has occurred, regardless of whether that error was a single bit error, or a complete loss of communication is not important .