RS-232 Serial Interface Interface board specifications (RS-232-compliant) 84 Item Specifications Data transfer method Serial Synchronization Asynchronous Handshake Select one of the following with the memory switch • 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 the memory switch • 7 bit • 8 bit Transmission speed Select one of the following with the memory switch: 2400/4800/9600/19200/38400/57600/115200 bps [bps: bits per second] Parity check Select one of the following with the memory switch: • Yes • No Parity selection Select one of the following with the memory switch:
• 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 9-pin (female) connector