Iei-integration NOVA-945GSE v1.01 Manuel d'utilisateur Page 78

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NOVA-945GSE 5.25” SBC
Page 78
The 10-pin serial port connector provides a RS-232 serial communications channel. The
COM serial port connectors can be connected to external RS-232 serial port devices.
Figure 4-20: COM Connector Pinout Locations
PIN NO. DESCRIPTION PIN NO. DESCRIPTION
1 DCD 2 DSR
3 RX 4 RTS
5 TX 6 CTS
7 DTR 8 RI
9 GND 10 N/C
Table 4-20: COM Connector Pinouts
4.3.19 COM 3 RS-422/485 Connector
CN Label: JP2
CN Type:
6-pin header (2x3)
CN Location: See
795H763HFigure 4-21
CN Pinouts: See
796H764HTable 4-21
The COM 3 serial port can be set for RS-422/485 connectivity by on-board jumper (refer to
Section
765H5.5.4). The JP2 connector provides the RS-422 or RS-485 signals when COM 3
is set for RS-422 or RS-485 devices.
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