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Interfaces of the Device P Line Maritim HMI
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4.3.2 RS232 (X15)
The serial RS-232 interface is suitable to establish a point-to-point connection.
The interface is assigned to the port COM3. At an image version before 181 and
operating system Windows CE 6.0 the port COM0 is assigned.
4.3.2.1 Pin Assignment
Figure 4-6 9 pin D-SUB male connector strip
Connector in the operating device: 9 pin D-SUB male connector strip.
Table 4-7 Pin assignment RS-232
Pin Designation Function
1 nc Not Connected
2 RD Received Data
3 TD Transmitted Data
4 nc Not Connected
5 GND Ground
6 nc Not Connected
7 RTS Request to Send
8 CTS Clear to Send
9 nc Not Connected
NOTICE
The D-SUB connector strips must be shielded sufficiently. See chapter “Shield-
ing D-SUB Connectors“ on page 3-47.