This statement supports my suspicion that the initial 'line test' is not a line test at all, merely determining if the exchange end is configured for ADSL. There is not much that can be tested on an unterminated phone line or a line terminated with an on hook pots phone, apart from some reflection tests.Originally Posted by Eircom email
To do a genuine line test, i.e. frequency response/bandwidth, balance and attenuation, the line needs to be terminated with something that can be remotely put into loop mode (such as a DSL modem).



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