3. INTERFACE
3.1 RS-232C Specifications
Data transmission
Synchronization
Handshaking
Signal level
Baud rates
Parity and bit length
Stop bits
Serial
Asynchronous
DTR / DSR
MARK = -3 to –15 V (logic "1")
SPACE = +3 to +15 V (logic "0")
4800,9600,19200,38400 or 115200 bps
None parity, 8 data bits or
Even parity, 7 data bits
1 or more
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