Appendix Appendix Specifications of Interface and Connector RS-232C Serial Interface Interface board specifications (RS-232C-compliant) 51 Item Specifications Data transfer method Serial Synchronization Asynchronous Handshake Select one of the following with DIP switch 1-3: DTR/DSR XON/XOFF Signal level MARK SPACE -3V to -15V logic “1”/OFF +3V to +15V logic “0”/ON Bit length Select one of the following with DIP switch 1-4: 7 bit 8 bit Transmission speed [bps: bits per second] Select one of the following with DIP switch 1-7/1-8: 2400/4800/9600/19200 bps [bps: bits per second] Parity check Select one of the following with DIP switch 1-5:
Yes No Parity selection Select one of the following with DIP switch 1-6: 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) connector