随着四化进程的不断推进,通信事业的不断发展,广大农村对通信事业的需求正在发生的变化,要求在其通信网内用户实现自动或半自动拨号的呼声愈来愈高,为此,本所研制了用于长途载波设备与自动或人工交换机之间实现自动或半自动拨号的自动拨号接口盘,可组成长、市、农话或企业内部的自动或半自动电话通信网。 With the continuous advancement of the four modernizations and the continuous development of the communications industry, the demand for communications in the vast rural areas is undergoing changes that call for the users to automatically or semi-automatically dial in their communications networks. As a result, An autodial interface disk for automatic or semi-automatic dialing between a long-haul carrier device and an automatic or manual switch has been developed to make an automatic or semi-automatic telephone communication network in a long, commercial, agricultural or in-house business.