STA5型用户板用于数字程控交换机的用户接口，也可做为各类接入网系统的远端二线模拟接口。
STA5 subscriber line is applied to subscriber line interface of programmed control digital switches, and two wire analogy remote interface of access network.
本文提出一种程控交换机呼叫模拟的有效方法——事件表驱动实时模拟法。
An efficient call simulation method for SPC switching systems, event table-driven real-time simulation approach has been proposed in this paper.
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