Another hardware hack from SMASH <c> 1992
RS-232    1962
RS-232-C  1969
EIA-232-D 1987
 < kbps < 15m
Ŀ
PIN  NAME< TO DTE             FUNCTION                      
           TO DCE >                           EIA  CCITT    
Ĵ
 1     PG           PROTECTIVE GROUND         AA   101      
 2     TD        >  TRANSMITTED DATA          BA   103  DS  
 3     RD <         RECIEVED DATA             BB   104  DS  
 4    RTS        >  REQUEST TO SEND           CA   105      
 5    CTS <         CLEAR TO SEND             CB   106      
 6    DSR <         DATA SET READY            CC   107      
 7     SG           SIGNAL GROUND             AB   102      
 8     CD <         CARRIER DETECT            CF   109      
 9      -           RESERVED                   -     -      
10      -           RESERVED                   -     -      
11      -           UNASSIGNED                 -     -      
12  (S)CD <         SEC CARRIER DETECT        SCF  122      
13 (S)CTS <         SEC CLEAR TO SEND         SCB  121      
14  (S)TD        >  SEC TRANSMITTED DATA      SBA  118  DS  
15     TC <         TRANSMITTER CLOCK         DB   114      
16  (S)RD <         SEC RECIEVED DATA         SBB  119  DS  
17     RC <         RECIEVER CLOCK            DD   115      
18                  LOCAL LOOPBACK            LL     -      
19 (S)RTS        >  SEC REQUEST TO SEND       SCA  120      
20               >  CONNECT DATA SET               108.1    
      DTR        >  DATA TERMINAL READY       CD   108.2    
21     SQ <         SIGNAL QUALITY DETECTOR   CG   110      
21        <         REMOTE LOOBACK            RL   110      
22     RI <         RING INDICATOR            CE   125      
23               >  DATA RATE SELECTOR        CH   111      
          <         DATA RATE SELECTOR        CI   112      
24  (E)TC        >  EXT TRANSMITTER CLOCK     DA   113      
25                  TEST MODE                 TM     -      


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