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Terminal adaptor format ISDN bus/USB bus converter having pin series selective earth/different potential connected indicating adaptor power consumption class.
Terminal adaptor format ISDN bus/USB bus converter having pin series selective earth/different potential connected indicating adaptor power consumption class.
The terminal adaptor converts formats circulating on an ISDN bus (S) and information on a USB bus (18). There are a series of pins (61) which are selectively connected to earth or potential differences which indicate the class of power consumption of the adaptor.
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