RS-232 Word Length: Data Bits, Stop Bits, and Parity

Data Bits sets the word length at 7 or 8 bits of data per character. If an application requires only ASCII Hex characters 0 through 7F decimal (text, digits, and punctuation), select 7 data bits. For applications which require use of the full ASCII set, select 8 data bits per character. Default = 7.

Stop Bits sets the stop bits at 1 or 2. Default = 1.

Parity provides a means of checking character bit patterns for validity. Default = Even.

* 7 Data, 1 Stop, Parity Even

7 Data, 1 Stop, Parity None

7 Data, 1 Stop, Parity Odd

7 Data, 1 Stop, Parity Mark

7 Data, 1 Stop, Parity Space

7 Data, 2 Stop, Parity Even

7 Data, 2 Stop Parity None

7 Data, 2 Stop, Parity Odd

7 Data, 2 Stop, Parity Mark

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IT3800/3900 User’s Guide

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Hand Held Products IT3900, IT3800 manual RS-232 Word Length Data Bits, Stop Bits, and Parity