Flow Control

The modem I use is a 3com-USR 56K winmodem.  I happily connect at 49.3 to 53.3.  Please explain the flow control setting (hardware & software) option and it's relevance.
usschaeferAsked:
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j2Connect With a Mentor Commented:
Only think you need to know is "always use hardware whenever you are running above 9600" ;)

Hardware means that dedicated control lines (CTS / RTS) are used to control flow.

Software means that special control characters are sent in the datastream, which is slower, and with the relatively large FIFO buffers of todays hardware would most likely cause a buffer overflow.
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