Patent ID: 6904130

Claim:
A multi-line telephone system interface assembly, comprising: a local telephone company demarcation point, the demarcation point device including a first connector that provides a plurality of connection sites, each of which delivers telecommunication signals corresponding to a respective telephone line; a multi-line telephone system configured to provide a plurality of telephone lines to users, the telephone system including a second connector with a plurality of connection sites, the second connector being configured to mate with the first connector such that each of the connection sites of the first connector can be connected with a respective connection site of the second connector to provide a corresponding telephone line to a user; and a test unit connected between the first and second connectors, the test unit having a demarcation point connector that interfaces with the first connector and a telephone system connector that interfaces with the second connector, the test unit including a plurality of switches, a respective one the switches being configured to selectively connect a respective pair of connection sites of the first and second connectors to provide a telephone line therebetween, the test unit further comprising an indicator that signals whether a designated connection site of the first connector is providing telecommunication signals to its corresponding telephone line.