Trying to output code from excel to the comm port

i send an ascii string from excel


Output from the port is monitored using terra term (like hyper terminal)

when trying to sending output i get no registered output on terra term at the receiving end

when sending code out through terra term i get output registered on the receiving end and response from the system


i presume i have missed some process in the sending of the string either some instruction conversion or actually sending the buffer contents


any suggestions please


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