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本文叙述了数字微波接力机勤务电话的种类及主要优缺点,对同线电话的设计进行了较详细的讨论。文中还介绍了目前国内外一些数字微波接力机上的勤务电话配置情况,并给出了一个应用实例。
This article describes the types and main advantages and disadvantages of digital microwave relay service telephones, and discusses the design of the same-line telephone in more detail. The article also introduced some digital microwave relay machines at home and abroad on the allocation of service calls, and gives an application example.