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Modification / Extension   » KINDER - FON - BOX «   ...
GERMAN  TELEPHONE-PLUG-CONVERTER











PIN SCHEMES ...




ADAPTER :   CABLE  CROSSING ,  - INSIDE / OUT   &  - EXTENSION ...



  ...  TO   T E S T   &   S O L V E   " WESTERN PLUG PROBLEMS " :

                 1    2    3    4    5    6
               ----------+--------+----------
                      a    La  Lb    b

      AMERICAN TELEPHONE  =  La / Lb  =  GERMAN  M O D E M
                              a / b   =  GERMAN  TELEPHONE

R E M A R K :  POLARITY  may be critical to OLD  T O U C H  TONE PHONES

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© C.HAMANN      http://public.beuth-hochschule.de/~hamann      09/22/15