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      Swapping a 1105/1, 1105/2, 1156/10 keypad for a 1148/46 or a 1158/46 keypad

      Use this article if you are swapping a 1105/1 or 1105/2 or 1156/10 keypad for a 1148/46 or a 1158/46 keypad.

       

       Old keypad  New keypad
       -/~      -/~
       +/~   +/~
       GND    GND
       P  A1
       C         S1
       NC  S2
       NO  S3