Printronix P7000 Cartridge Ribbon Printer - Manual (Page 277)

RS-232
277
RS-232
Receive Data (RD). Serial data stream to the printer.
Transmit Data (TD). Serial data stream from the printer for transmitting status
and control information to the host. Subject to protocol selection.
Request To Send (RTS). Control signal from the printer. Subject to
configuration.
Clear To Send (CTS). Status signal to the printer indicating the host is ready
to receive data/status signals from the printer.
Data Set Ready (DSR). Status signal to the printer indicating the host is in a
ready condition.
Data Carrier Detect (DCD). Status signal to the printer. The ON condition is
required for the printer to receive data.
Data Terminal Ready (DTR). Control signal from the printer. Subject to
configuration.
Table 14. Standard 500, 1000, 1500, and 2000 lpm Models
RS-232 Serial Interface Connector Pin Assignments
Input Signals Output Signals Miscellaneous
Signal Pin Signal Pin Signal Pin
Receive Data (RD) 3 Transmit Status & Control
Data (TD) 2 Chassis Ground 1
Clear To Send (CTS) 5 Request To Send (RTS) 4 Signal Ground 7
Data Set Ready (DSR) 6 Data Terminal Ready (DTR) 20
Data Carrier Detect (DCD) 8
Table 15. RS-232 Serial Interface Connector Pin Assignments
Input Signals Output Signals Miscellaneous
Signal Pin Signal Pin Signal Pin
Receive Data (RD) 2 Transmit Status & Control
Data (TD) 3 Chassis/Signal Ground 5
Clear To Send (CTS) 8 Request To Send (RTS) 7
Data Set Ready (DSR) 6 Data Terminal Ready (DTR) 4
Data Carrier Detect (DCD) 1