Non Return to Zero Inverted from FOLDOC

NRZI ⇝

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.

Last updated: 1999-01-11

Nearby terms:

non-polynomial ♦ Non Return to Zero Inverted ♦ nontrivial ♦ Non-Uniform Memory Access

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