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    • 18. 发明申请
    • Telecommunications system indicator and protector
    • 电信系统指示器和保护器
    • US20070160182A1
    • 2007-07-12
    • US10583496
    • 2004-12-17
    • Leon KotzeAlexander Richter
    • Leon KotzeAlexander Richter
    • H04M1/24H04M3/08H04M3/22
    • H04B3/46
    • The present invention provides a telecommunications system indicator and protector (10) for indicating the working status of a telecommunications line (16) and of equipment (12, 14) which can be connected to the telecommunications line. The telecommunications system indicator includes connecting means whereby the telecommunications system indicator can be connected to the telecommunications line and the equipment respectively, a line testing circuit (Block B) and an equipment testing circuit (Block A). The telecommunications system indicator further also includes a switch (18) which is movable between a first position wherein the telecommunications line is connected to the line testing circuit and a second position wherein the telecommunications line is connected to the equipment testing circuit as well as an indicator for indicating whether the telecommunications line is in working order when the switch is located in the first position, and whether the equipment is in working order when the switch is located in the second position.
    • 本发明提供一种电信系统指示器和保护器(10),用于指示可连接到电信线路的电信线路(16)和设备(12,14)的工作状态。 电信系统指示器包括连接装置,其中电信系统指示器可以分别连接到电信线路和设备,线路测试电路(框B)和设备测试电路(框A)。 电信系统指示器还包括开关(18),其可以在电信线路连接到线路测试电路的第一位置和电信线路连接到设备测试电路的第二位置之间移动,以及指示器 用于指示当交换机位于第一位置时电信线路是否处于工作状态,以及当交换机位于第二位置时设备是否处于工作状态。