1,2 -  out 
3 - headset () 
4,5,6 -  in ( ) 
7 -  10   (  ) 
8 - (  ) 
9 - Rx 
10 -   10   -  RTS 
11 - CTS 
12 - DSR 
13 - DTR 
14 - Tx 
15 - headset () 
16,17,18 - ground 

        - Siemens 
(..       ,    -     )
 
  1+2,4+5+6,9,14,16+17+18    ,   
   ( ,     , ..   
1,2,3,...  18,17,16,...) 
  3 ()  15 ()   -,    ,
       handsfree.   ,   
. 
 10  7,10  -     .  ? 
 ,   . 

  ,        .


