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SIM900 AT Command Manual

SIM900_AT Command Manual_V1.03 15 12/24/2010

received (e.g. TCP/IP) as the DTE interface may interpret binary data as flow control characters.

1.6.2 Hardware flow control (RTS/CTS flow control)

Hardware flow control achieves the data flow control by controlling the RTS/CTS line. When the

data transfer should be suspended, the CTS line is set inactive until the transfer from the receiving

buffer has completed. When the receiving buffer is ok to receive more data, CTS goes active once

again.

To achieve hardware flow control, ensure that the RTS/CTS lines are present on your application

platform.

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