meaning of return to zero

1. Non Return to Zero Inverted NRZI A recording method used for 9-track magnetic tapes 200 and 800 BPI where a zero is represented by a change in the signal and a one by no change. NRZI is also used extensively in SDLC communications. VTAM has a parameter NRZI=YES|NO. Compare Phase Encoded, GCR.


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non return to zero inverted | return to zero |

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