Epson Y465ss127mo - Manual (Page 248)

Interface timing
The figure below shows the timing for the parallel interface.
BUSY
ACKNLG
DA TA
STROBE
Serial interface
The LQ built-in serial interface is an RS-232C asynchronous interface
with the following characteristics:
Data format
1 start bit
Data word length: 8 bit
Odd, even, or no parity
1 stop bit
Baud
rate
300, 600, 1200,
2400, 4800, 9600,192OO
bits per second.
Signal level
Mark
(1) -3
V to -27 V
Space (0) +3 V to +27 V
A-12 Technical Specifications