B8ZS (North American T1)
Commonly used in the North American T1 (Digital Signal 1) 1.544 Mbit/s line code, bipolar with eight-zero substitution (B8ZS) replaces each string of 8 consecutive zeros with the special pattern "000VB0VB". Depending on the polarity of the preceding mark, that could be 000+−0−+ OR 000−+0+−.
Read more about this topic: Modified AMI Code
Famous quotes containing the word american:
“My wish for the American woman is that she may always be an elevating influence—man’s inspiration. Let him go forth to duty while she weaves the spell which makes home a paradise to which he may return, ever welcome, whether he is victor or vanquished.”
—Rutherford Birchard Hayes (1822–1893)