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











PIN SCHEMES ...



Another useful  home-made  ADAPTER  for ...

... 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

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

 P O L A R I T Y   may be critical to OLD  T O U C H  TONE PHONES ...

        A P P L I C A T I O N S ...

 (1) ... for POLARITY CHANGE use UPPER PAIR of PLUGS !

 (2) e.g.  »DIALGIZMO«  (= USA-Type !) used on GERMAN TELEKOM ...

     Plug the GERMAN TELEKOM LINE in the LEFT LOWER PLUG and ...
     ... plug the »DIALGIZMO« LINE-INPUT in the RIGHT LOWER PLUG

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© C.HAMANN      http://public.beuth-hochschule.de/~hamann      09/08/18