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rxd txd connections from atmega 32 to gsm modem tr-800 ...plzzz

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mihir.1990

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can anyone plzz suggest how to connect the rxd and txd pins of DB9 connector at microcontroller side to rxd and txd pins at gsm modem side..plzzzz
 

hai,

see this
 

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tried the same connection but this did not work....
is there anythin else to be done after makin these connections...??
 

Hai,

First test your modem with pc using hyper terminal( using AT commands).
 

v hv chkd GSM modem on hyper terminal too......also v r gettin response from microcontroller in hyperterminal....
 

hai,
What about your program side? Check your board and pc communication.
 

connection between board and pc is also perfect...v r getting response of micrcontroller on hyprtrminal
 

hai,

What about your code?

try this link.You may get same problems.
 

hey dude..this link is not available......
 

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