Appendix C: Dte Interface Requirements - US Robotics USR3520 User Manual

Appendix C: DTE Interface Requirements

Baud rate and parity are automatically detected for each AT command.
Baud rate must be one of the following:
300, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200
Parity must be one of the following:
8N1 - 8 data bits, no parity, 1 stop bit
7E1 - 7 data bits, even parity, 1 stop bit
7O1 - 7 data bits, odd parity, 1 stop bit
7M1 - 7 data bits, mark parity, 1 stop bit
7S1 - 7 data bits, space parity, 1 stop bit
7M1 is the same as 7 data bits, no parity, 2 stop bits
Modemulator User Guide
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