NRZI -->
Non Return to Zero Inverted
computing dictionary

<storage> (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.

Acronym: NRZI

(01 Apr 1999)