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Old 15th Apr 2021, 12:55 pm   #3
Dave Moll
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Join Date: Feb 2005
Location: West Cumbria (CA13), UK
Posts: 6,118
Default Re: "New exchange" from Norwegian STK (=STC)

I assume that TB and TE toward the right-hand end will be battery and earth respectively.

The left-hand twelve appear to be six pairs for "subscriber lines" (presumably extensions).

The next four ("centre lines") are presumably exchange line pairs, and possibly the next pair (labelled BB and BB1), though this is less clear.

As to how the six "control board" connections and the one marked "FA" are used, I've no idea.

Owing to reflection, I can't see the labels on the pair at the far right.

(Thanks to Google for translations from Norwegian to English.)
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