Patent ID: 7227928
Filing Date: 2007-06-05
Classification: H04M

Abstract:
1. An arrangement for testing a subscriber line comprising a splitter, characterized in that the arrangement comprises: a test head, situated beyond the splitter from the view of the subscriber line, connected to a filter port of the splitter and configured to generate a commands in the form of DC pulses, a relay, situated in front of a common port of filters of the splitter from the view of the subscriber line, and connected to the subscriber line and the common port of the filters of the splitter, for making a connection between the common port of the filters and the subscriber line in a normal state, bypass wires between the filter port of the splitter and the relay, making it possible for the relay to connect the test head to the subscriber line through the filter port of the splitter in a line testing state, and a relay control element connected to the filter port of the splitter and the relay for controlling switching actions of the relay in response to the commands in the form of DC pulses coming from the test head.