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Definition: communications parameters

The basic settings for modem transmission, which include bit rate (14400 bps, 28800 bps, etc.), parity (none, even, odd), number of data bits (7 or 8) and number of stop bits (typically 1). The latter three are often expressed together; for example, N-8-1, which means No parity, 8 data bits and 1 stop bit.