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Appendix
RS-232 Serial Interface
Interface board specifications (RS-232-compliant)
Item
Specifications
Data transfer method
Serial
Synchronization
Asynchronous
Handshaking
Select one of the following in the software setting mode.
•
DTR/DSR
•
XON/XOFF
Signal level
MARK
-3V to -15V logic “1”/OFF
SPACE
+3V to +15V logic “0”/ON
Bit length
Select one of the following in the software setting mode.
•
7 bit
•
8 bit
Transmission speed
Select one of the following in the software setting mode.
2400/4800/9600/19200/38400/57600/115200 bps
[bps: bits per second]
Parity check
Select one of the following in the software setting mode.
•
Yes
•
No
Parity selection
Select one of the following in the software setting mode.
•
Even
•
Odd
Stop bit
1 or more bits
However, the stop bit for data transfer from the printer is fixed to 1 bit.
Connector
Printer side
D-Sub 9-pin (male)