关于《长途传输装备基本进网要求》的几个问题黑龙江省邮电管理局胡立志邮电部制订的《长途传输装备基本进网要求》（后面简称《要求》）已于１９９２年试行。此《要求》在传输方面比１９８８年部颁《大、中、小城市数模混合电信网技术体制》更加完整、更加明确，今后若不... Several issues concerning the basic requirements of long-distance transmission equipment HuLiZhi, the postal and telecommunication administration of Heilongjiang province, put forward the “Basic Requirements for Access to Long-distance Transmission Equipment” (hereinafter referred to as “requirements”) formulated by the Ministry of Posts and Telecommunications of the People’s Republic of China in 1992. In terms of transmission, this “requirement” is more complete and clear than that of the Ministry of Radio, Film and Television in 1988, which is entitled “Digital, Modular and Mixed Telecommunication Network Technology System for Large, Medium and Small Cities.”