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???
06/17/05 20:51
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#95213 - C35
Responding to: ???'s previous message
IMHO there is no RTS/DTR/DSR on the phone's connector.

And, you cannot connect directly the phone's rx/tx pins with those of PC. You need a sort of level convertor. The phone uses a 3V interface. Please search the net, you should find interface circuits for C35 quite easily.

You don't need any special mode of the phone to communicate using the AT commands.

Jan Waclawek

List of 20 messages in thread
TopicAuthorDate
Siemen C35 ,RS232, and AT89c51            01/01/70 00:00      
   Phone comms            01/01/70 00:00      
   C35            01/01/70 00:00      
   DTE, DCE            01/01/70 00:00      
      to DCE or not to DCE            01/01/70 00:00      
         DCE , Jan Waclamek            01/01/70 00:00      
   Link?            01/01/70 00:00      
      Link, C35, DTE, DCE, Phone comms            01/01/70 00:00      
         pinout            01/01/70 00:00      
            PinOut            01/01/70 00:00      
               Pinout            01/01/70 00:00      
                  PinOut            01/01/70 00:00      
   C35 , RS-232 & USB            01/01/70 00:00      
      C35, RS232 & USB            01/01/70 00:00      
      Clarification            01/01/70 00:00      
         AT command set - not all mobiles            01/01/70 00:00      
         Clarification            01/01/70 00:00      
   GSM AT Command Set            01/01/70 00:00      
   Clarification            01/01/70 00:00      
   C35, Problem Solved            01/01/70 00:00      

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