Epson C31C636834 Technical Reference - Page 67
Interfaces and Connectors
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Appendix A Interfaces and Connectors TM-T88IV Technical Reference Guide A.1 RS-232 Serial Interface A.1.1 Interface Board Specifications (RS-232-compliant) Table A-1 Serial interface specifications Item Specifications Data transfer method Serial Synchronization Asynchronous Handshake Select one of the following with DIP SW1-3: ❏ DTR/DSR (DIP SW1-3 OFF) ❏ XON/XOFF (DIP SW1-3 ON) default Signal level MARK -3 V to -15 V logic "1" /ON SPACE +3 V to +15 V logic "0" /OFF Bit length Select one of the following with DIP SW1-4: ❏ 7 bit (DIP SW1-4 ON) ❏ 8 bit (DIP SW1-4 OFF) default Baud rate Select one of the following with DIP SW1-7 and SW1-8: 4800bps, 9600bps, 19200bps, 38400bps Parity check Parity selection Stop bit Connector Printer side Select one of the following with Commands: 2400bps, 4800bps, 9600bps, 19200bps, 38400bps, 57600bps,115200bps [bps: bits per second] Select one of the following with DIP SW1-5: ❏ Yes (DIP SW1-5 ON) ❏ No (DIP SW1-5 OFF) Select one of the following with DIP SW1-6: ❏ Even (DIP SW1-6 ON) ❏ Odd (DIP SW1-6 OFF) 1 or more bits However, the stop bit for data transfer from the printer is fixed to 1 bit. DSUB 25-pin (female) connector Rev. A Interfaces and Connectors A-1
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