BPV
BPV (BiPolar Violation)
Telecom Definition
A violation of the line coding convention required by alternate mark inversion (AMI) in T-carrier networks or high density bipolar order 3 (HDB3) in E-carrier networks. AMI 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
