Definitions for "Alternate mark inversion"
A line-coding format for T1 lines where successive marks alternate between positive and negative polarity. The marks are equal in amplitude. A space designates zero amplitude.
the line-coding format in transmission systems where successive ones (marks) are alternatively inverted (sent with polarity opposite that of the preceding mark)
DS1 line code that does not perform zero code suppression and is therefore transparent to an all-zeros byte.
a 1's density control mechanism for T1 and E1 systems. See also B8ZS and HDB3.