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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 DSUB 25 pin (female)
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