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Code Name | Binary Code | Code Definition |
---|---|---|
NRZ-L | Non-Return-to-Zero Level "One" is represented by one level "Zero" is represented by another level lower the one but not zero. | |
NRZ-M | Non-Return-to-Zero Mark "One" is represented by a change in level "Zero" is represented by no change in level. | |
NRZ-S | Non-Return-to-Zero Space "One" is represented by no change in level "Zero" is represented by change in level. | |
NRZ-I | Non-Return-to-Zero Inverse "One" is represented by no change in level "Zero" is represented by change in level. | |
Bi-Phase-L | Bi-Phase Level (Split Phase) Level change occurs at the beginning of every bit period "One" is represented by a "One" level with transition to the "Zero" level "Zero" is represented by a "Zero" level with transition to the "One" level. | |
Bi-Phase-M | Bi-Phase Mark Level change occurs at the beginning of every bit period "One" is represented by a midbit level change "Zero" is represented by no midbit level change. | |
Bi-Phase-S | Bi-Phase Space Level change occurs at the beginning of every bit period "One" is represented by no midbit level change "Zero" is represented by a midbit level change. | |
DBi-Phase-M | Differential Bi-Phase Mark Level change occurs at the center of every bit period "One" is represented by no level change at the beginning of the bit period "Zero" is represented by a level change at the beginning of the bit period. | |
DBi-Phase-S | Differential Bi-Phase Space Level change occurs at the center of every bit period "One" is represented by a level change at the beginning of the bit period "Zero" is represented by no level change at the beginning of the bit period. |
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