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一、硬件概述我所的DBX用户程控交换机是1983年底安装运行的。整个交换机可以分成六大部分:1.门单元;2.微门控制器;3.主处理机;4.时分接续器;5.话务员控制台;6.维护管理部件。 DBX程控数字交换机是两级控制结构
First, the hardware overview My DBX user program-controlled switches installed by the end of 1983 to run. The entire switchboard can be divided into six major parts: 1. Door unit; 2. Micro-door controller; 3. Main processor; 4. Time relay; 5. Operator console; 6. Maintenance management components. DBX program-controlled digital switch is a two-stage control structure