11 FLOW CONTROLThis chapter contains information aboutn Hardware and software flow controln Received-data flow controln Transmit-data flow controlOverview The Business Modem has two buffers, one for data transmitted from yourcomputer, and one for data received from the phone line.Flow control provides a system for stopping and starting transmissiondepending on how full the buffers are. Flow Control’s purpose is toprevent overfilling the buffers, which may cause data to be lost.We recommend that you use hardware flow control. If you do,depending on your communications software, you will also need toenable hardware flow control in your communications software.
