Automatic connection handling provides the ability to connect , disconnect , and manage system resources 自动化连接处理能够连接、断开和管理系统资源。
The ring bell detector and the circuit which can simulate picking up the telephone have been set up in the pci demodulator . thus , automatic connection from terminal to center has been realized 现场数据采集及发送系统中设置了自动拨号电路,解调器中设置了振铃检测、模拟摘机电路,从而实现了终端到中心的自动连接。