Tip and ring
Tip and ring are the two conductors, or sides, of a telephone line. Their names are derived from the telephone plugs used for connecting telephone calls in manual switchboards.
Tip and ring are the two conductors, or sides, of a telephone line. Their names are derived from the telephone plugs used for connecting telephone calls in manual switchboards.
Tip and ring are the two conductors, or sides, of a telephone line. Their names are derived from the telephone plugs used for connecting telephone calls in manual switchboards.
Source: Wikipedia "Tip and ring" · CC BY-SA 4.0
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