User guide Interfaces161Serial interface V.24/RS232CYour printer’s serial interface supports the RS232C specification.The signals are received and transmitted by a 9 pin connector.Basically 3 lines are already enough for exchanging information bet-ween computer and printer (one receive line, one send line, one linefor common grounding).Connector assignmentTransmission length: max. 15 mType RS232C interfaceSynchronization AsynchronousTransmission rate 600 Baud to 19.200 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, ENQ/STX, READY/BUSY, Robust XON/XOFF, ETX/ACKCapacity of data buffer 1024 KB max.Connector no. DirectionPrinter–PC Signal3 → TxD4 → DTR2 ← RxD6 ← DSR7 → RTS8 ← CTS5 Signal Ground SGShield Frame Ground FG5 169
