Interfaces User guide130Serial interface RS232C Your printer’s serial interface supports the RS232C specification. Thesignals are received and transmitted by a 9 pin male connector.Use a serial interface cable that meets the requirements of your host PC.Connector assignmentTransmission length: max. 15 mType RS232C interfaceSynchronization AsynchronousTransmission rate 4,800 Baud to 38,400 BaudSignal status OFF (log.1) –3 V to –15 VON (log. 0) +3 V to +15 VConnection cable up to 15 m lengthInterface connections ITT Cannon connector,series DB-9 STransmission protocol XON/XOFF, READY/BUSYCapacity of data buffer 32 KBPin Signal Signal from Ready/Busy XON/XOFF1 CD Printer — —2 TXD Printer Valid Valid3 RXD PC Valid Valid4 RTS Printer Invalid Valid5 Signal GND — Valid Valid6 DTR Printer Valid Valid7 DSR PC Valid Valid8 CTS PC Invalid Valid9 CI — — —5 169
