| 单词 | AMI (Alternate Mark Inversion) |
| 释义 | AMI (Alternate Mark Inversion) A line coding technique used in T1 networking. AMI is a bipolar transmission method that reverses the polarity of alternate marks, or 1 bits, expressing the first as a positive voltage of +3V, the second as a negative voltage of 3V, the third as +3V, and so on. Zero bits are coded as 0V. See Figure A-5. See also bipolar, mark, polarity, signal, and voltage. 0 1 0 0 1 1 1 0 +3V 0 -3V |
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