Advantech ADAM-5510/P31 Manual page 54

3. Use the shortest possible wire length.
4. Use wire trays for routing where possible.
5. Avoid running wires near high energy wiring.
6. Avoid running input wiring in close proximity to output wiring
where possible.
7. Avoid creating sharp bends in the wires.
The ADAM-5510/P31 has a programming port with a DB-9 connection.
This port allows you to program, configure, and troubleshoot the
ADAM-5510/P31 from your host computer. The programming port has
an RS-232 interface and only uses TX, RX, and GND signals. The pin
assignment of the port is as follows:
The COM1(3F8) port is dedicated as an RS-232 interface and has a DB-
9 connector. Since the connection for an RS-232 interface is not
standardized, different devices implement the RS-232 connection in
different ways. If you are having problems with a serial device, be sure