Vespa72
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Telephony: Minimum Loop Current on an Internal Telephone Line (FCC Specifications)
Does anyone know if there are any FCC regulations specifying the minimum loop current on a telephone line. I am referring to the off hook current the is supplied to the telephone/fax by the carrier down the telephone lines. FCC part 68 specifies that the loop current should not exceed 100mA and there is reference to a minimum of 20mA, but I am not sure about this.
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Good luck with that. It's to the telco intrest to keep them as low as possible. But it should be at around 23ma.
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