Patent ID: 6917595

Claim:
A hand-held test set for testing a digital subscriber line (xDSL) communications network, comprising: at least one xDSL signal input port that connects the test set to the xDSL communications network; an xDSL modem module that attaches removably to the test set, wherein the xDSL modem module emulates a particular type of xDSL modem, enabling the test set to test the xDSL communications network in accordance with the particular type of xDSL modem; a keypad for entering a user selection; a processor, coupled to the xDSL modem module when the xDSL modem module is attached, that receives the user selection, that operates with the xDSL modem module to selectively perform xDSL connectivity testing in accordance with the user selection, and that processes xDSL connectivity test data resulting from the xDSL connectivity testing; and a liquid-crystal display that selectively displays the xDSL connectivity test data in accordance with the user selection, wherein the test set is configured to perform ATM connectivity testing.