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- 12-14-2003, 09:13 PM #1Miguel WisintainerGuest
Bonjour
I have a NOKIA CELULAR PHONE that has a internal HAYES MODEM EMULATOR
and i use a DRL3 DATA CABLE for make communication using my PC
throught COMMx SERIAL PORT. The Hayes modem answer to my AT commands.
Recently, i used a microcontroller and i tried to connect to NOKIA
CELULAR PHONE without the DRL3 DATA CABLE and i got success too! I
removed the DRL3 cable and i did a direct connection. The Hayes modem
answered to my AT commands.
I see that the NOKIA has a IRDA option that allows to talk with HAYES
MODEM too. How is the circuit for transmit data for the modem? I
intend to use my COMMx SERIAL PORT for send AT commands to HAYES MODEM
using a SERIAL to IRDA converter, but, i don't know this circuit
converts 1's and 0's.
My intention is a microcontroller estabilish a comunication with
CELULAR HAYES MODEM without cables using HAYES PROTOCOL.
Thanks!
Miguel Wisintainer
› See More: IRDA CIRCUIT - HAYES MODEM EMULATOR
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