IEI Integration eKINO-945GSE v1.12 - Manual (Page 66)

eKINO-945GSE Motherboard
Page 50
4.2.17 Serial Port Connectors (RS-232)
CN Label: COM3 and COM4
CN Type: 10-pin header (2x5)
CN Location: See
8
Figure 4-18
CN Pinouts: See
8
Table 4-15
The 10-pin serial port connectors provide RS-232 serial communications channels. The
COM serial port connectors can be connected to external RS-232 serial port devices.
COM3 uses JP2 for RS-422 and RS-485 connectivity.
Figure 4-18: RS-232 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)