هستی شناسی های علمی و فنی: Physics: Digital subscriber line

... > Telephony > Telephone equipment > Telephone line > Subscriber loop > Digital subscriber line

... > Telecommunication equipment > Telephone equipment > Telephone line > Subscriber loop > Digital subscriber line

Transmission line > Telecommunication transmission line > Telephone line > Subscriber loop > Digital subscriber line

... > Telecommunication equipment > Telecommunication transmission line > Telephone line > Subscriber loop > Digital subscriber line

... > Telecommunication services > Telephony > Telephone network > Subscriber loop > Digital subscriber line

Networks (circuit) > Telecommunication network > Telephone network > Subscriber loop > Digital subscriber line

Telecommunication > Telecommunication network > Telephone network > Subscriber loop > Digital subscriber line

Digital subscriber line

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Physics