>> Is 50vdc the noem on an incoming BT line ?? TIA
>
> Yes
>
Then AC during ring :)
>> Is 50vdc the noem on an incoming BT line ?? TIA
>
> Yes
>
Then AC during ring :)
And the AC is 70 - 80v and hurts but does not injure, lots of fun when an apprentice with the PO in the mid sixties:-)
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