How does data get corrupted during a file transfer?
In general, there are two sources of data corruption during file transfers. One source is bad telephone connections. The other is improper flow control. Modern error-detecting modems practically eliminate bad telephone connections as a source of data corruption. All of those MNP, V.whatever and LAP-M designations on your modem means that data will be delivered error-free from your modem. With a bad connection, the modems may have to do a lot of re-transmission of data which will slow down throughput. Rest assured though, that bad phone line are rarely a cause of data corruption as long as an error-free connection is established by the modems. If your modems are having to do a great deal of re-transmission of data you may be able to achieve faster transfers by turning error-detection off. Some modems attempt to retrain each time a they detect data corruption. With some modems it can take several seconds to retrain. By turning error-detection in the modems off, you can avoid the retraini
