Patent ID: 7587029

Claim:
A device for testing a data carrying service operating over a telecommunications line, the device comprising: a plurality of test circuits, each test circuit arranged to determine and test one or more characteristics of a data carrying service and providing a termination emulator to emulate a termination of said telecommunications line; a processor operable to control the operation of each of said plurality of test circuits; and at least one connector arranged to connect said telecommunications line to one or more of said plurality of test circuits, wherein said test circuits are arranged to enable said data carrying service to remain connected to said at least one connector during all of the testing operations provided by said one or more of the test circuits; said at least one connector connects said data carrying service telecommunications line to one test circuit at a time; said processor is operable to control the operation of a plurality of said test circuits in a predetermined sequence; and said data carrying service remains connected to each said connector as each of said plurality of test circuits is operable in said predetermined sequence.