Iei-integration NANO-QM770 Bedienungsanleitung PDF herunterladen (Seite 43)

NANO-QM770 EPIC SBC

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3.2.12 RS-232 Serial Port Connectors (COM1, COM2)

CN Label: COM1, COM2

CN Type:

10-pin header

CN Location:

See

Figure 3-14

CN Pinouts:

See

Table 3-14

The 10-pin serial port connectors provide two RS-232 serial communications channels.

The COM serial port connectors can be connected to external RS-232 serial port devices.

Figure 3-14: RS-232 Serial Port Connector Locations

Pin Description Pin Description

1 -NDCD2 6 -NCTS2

2 -NDSR2 7 -NDTR2

3 NSIN2 8 -XRI2

4 -NRTS2 9 GND

5 NSOUT2 10 GND

Table 3-14: Serial Port Connector Pinouts

3.2.13 RS-422/485 Serial Port Connector (COM3)

CN Label: COM3

CN Type:

4-pin wafer

CN Location:

See

Figure 3-15

1 2 ... 38 39 40 41 42 43 44 45 46 47 48 ... 189 190

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