RS-4222516400-i24 and -i2s ModelsReceive Data (RXD). Serial data stream to the printer.Clear To Send (CTS). Status signal to the printer indicating the host is readyto receive data/status signals from the printer.Data Set Ready (DSR). Status signal to the printer indicating the host is in aready condition.Data Carrier Detect (DCD). Status signal to the printer. The ON condition isrequired for the printer to receive data.Transmit Data (TXD). Serial data stream from the printer for transmittingstatus and control information to the host. Subject to protocol selection.Request To Send (RTS). Control signal from the printer. Subject toconfiguration.Data Terminal Ready (DTR). Control signal from the printer. Subject toconfiguration.RS-4226400i Series PrintersTable 5. 6400-i24 and -i2s RS-232 Serial Interface Connector Pin AssignmentsInput Signals Output Signals MiscellaneousSignal Pin Signal Pin Signal PinReceive Data (RXD) 2 Transmit Status & ControlData (TXD)3 Chassis/Signal Ground 5Clear To Send (CTS) 8 Request To Send (RTS) 7Data Set Ready (DSR) 6 Data Terminal Ready (DTR) 4Data Carrier Detect (DCD) 1Table 6. 6400i Series RS-422 Serial Interface Connector Pin AssignmentsInput Signals Output Signals MiscellaneousSignal Pin Signal Pin Signal Pin- Receive Data(-RXD)15 - Transmit Data(-TXD)19 Chassis Ground 1+ Receive Data(+RXD)17 + Transmit Data(+TXD)25 Signal Ground 7
