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3. INTERFACES
3 INTERFACES
3.1 RS232 SERIAL
Printer has an RS232 serial interface and is connected by means of a 9 pin female connector. In the following table,
the signals present on the connector are listed.
5
1
9
6
RS232
PIN
SIGNAL
IN/OUT
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
4
N.C.
-
Not connected.
5
GND
-
Ground signal.
6
DSR
OUT
7
N.C.
-
8
RTS
OUT
9
N.C.
-
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DESCRIPTION
Transmit data. Serial data input (towards Host).
Data Set Ready.
Printer on and operating (active at RS232 level high).
Not connected.
Clear to send. Ready to receive data (active at RS232 high level).
Not connected
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STIMA-OEM 47