T1 digital communications system for in-service detection and identification of malfunctioning repeaters

作者: Jeremy E. Parsons

DOI:

关键词: Computer hardwareElectronic engineeringCommunications systemEngineering

摘要: An improvement to T1 digital communications systems uses the alternate mark inversion (AMI) encoding format, typically used in systems, and D.C. system that powers repeaters for enabling quick accurate in-service detection identification of malfunctioning or failed repeaters.