Printronix ProLine 5 Series Manual page 191

Table 5–5. RS–232 Serial Interface Connector Pin Assignments
Input Signals
Signal
Receive Data (RD)
Clear To Send (CTS)
Data Set Ready (DSR)
Data Carrier Detect (DCD)
Received Data (RD) — Serial data stream to the printer.
Transmitted 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.
5–16
Output Signals
Pin Signal
3 Transmit Data (TD)
5 Request To Send (RTS)
6 Data Terminal Ready (DTR)
8
Miscellaneous
Pin Signal
2 Chassis Ground
4 Signal Ground
20
Pin
1
7
Interfaces