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"New exchange" from Norwegian STK (=STC)
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29th Apr 2021, 8:13 pm
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dagskarlsen
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Join Date: Jan 2008
Location: Hakadal, Norway
Posts: 643
Re: "New exchange" from Norwegian STK (=STC)
Now I got the C.O. line working to.
Grounding button needed on the phone, and that connects to C.O. line. (both incoming and outgoing calls)
The 2 B connections are for a DC 24V ringer.
(The only one I have is a fire alarm ringer so that was loud
)
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