User manual

2.1 RS232 SERIAL
The printer has an RS232 serial interface and is connected by means of a 9 pin female connector (see fi g.
2.1).
RS232
1
5
6
9
In the following table, the signals present on the connector are listed:
PIN SIGNAL IN/OUT DESCRIPTION
1 DCD OUT Data Carrier detect. Printer ON (active at level RS232 high).
2 TXD OUT Receive data. Serial output (from Host).
3 RXD IN Transmit data. Serial data input (towards Host).
4 N.C. - Not connected.
5 GND - Ground signal.
6 DSR OUT Data Set Ready. Printer on and operating (active at RS232 level high).
7 N.C. - Not connected.
8 RTS OUT Clear to send. Ready to receive data (active at RS232 high level).
9 N.C. - Not connected
(Fig.2.1)
(Tab.2.1)
2. INTERFACES
User Manual KPM150 2-1