Iei-integration NANO-945GSE v1.01 Manual de usuario Pagina 84

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NANO-945GSE EPIC Motherboard
Page 64
4.3.18 Serial Port Connectors (COM 3 and COM4)
CN Label:
COM3 and COM4
CN Type:
10-pin header (2x5)
CN Location:
See
795H847HFigure 4-20
CN Pinouts:
See
796H848HTable 4-21
The 10-pin serial port connector provides a second 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 Data Carrier Direct (DCD) 2 Data Set Ready (DSR)
3 Receive Data (RXD) 4 Request To Send (RTS)
5 Transmit Data (TXD) 6 Clear To Send (CTS)
7 Data Terminal Ready (DTR) 8 Ring Indicator (RI)
9 Ground (GND) 10 N/C
Table 4-21: COM Connector Pinouts
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