| 摘要 |
A self testable communications device (102) such as a cable modem, a system (100) of remotely distributed such devices (102) and the method (140) of testing. One or more cable modems (102) are connected to a distribution hub (110). Each cable modem (102) includes a connection test initiator, such as a button (130) on the cable modem (102), on a web page or, on a computer (104) desk top which is accessible from the particular cable modem (102). When a test (140) is initiated by pressing or selecting the button (130), the system (100) initiates diagnostics (140) to check the connection of the cable modem (102) to the distribution hub (110). After the test (140) is complete, the cable modem user is provided with an automatic response indicating connection test
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