Contents XPS/XPS-E User's Manual
28 ļ COMSOFT
5.2 Serial Interface
5.2.1 Connector Assignment RS232 (XPS and XPS-E)
The connection is realised via a 9-pin D-SUB plug.
Pin Signal FNI CCITT Function Direction
1 DCD M5 109 Data Carrier Detect I
2 RxD D2 104 Receive Data I
3 TxD D1 103 Transmit Data O
4 DTR S1 108.2 Data Terminal Ready O
5 GND E2 102 Ground ---
6 DSR M1 107 Data Set Ready I
7 RTS S2 105 Request to Send O
8 CTS M2 106 Clear To Send I
9 --- --- --- Not connected ---
Table 12: Connector Assignment RS232 Interface
O = Output
I = Input
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