In this paper a management system of railway residential hotel on requirements is designed . the scheme consists of calling machine hardware platform and management system software . the system has been widely deployed in many railway bureaus 本文根据铁路公寓叫班管理的功能需求，提出了铁路公寓叫班系统的设计方案，实现方式采用软硬件的结合的方法，分为呼叫主机和铁路叫班管理软件。
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The calling machine hardware platform uses mcs51 microprocessor - at89c52 as the main controller . it receives instruction from the system computer and sends the code to the audio terminals . every room terminal is connected in bus mode with the calling machine through a five - line cable 呼叫主机硬件平台核心采用了mcs51系列的单片机，并选用了atmel公司的性价比较高的?款at89c52单片机作为主控制器，与系统主机进行通信，接收主机的控制命令，实现前台与各个终端的语音呼叫和对讲。
