IEI Integration KINO-PVN-D4251_D5251 - Manual (Page 42)

KINO-PVN-D5251/D4251/ Mini ITX SBC
Page 28
Figure 3-16: Serial Port (COM3) Connector Pinout Locations
Pin Description Pin 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 3-15: Serial Port Connector Pinouts
3.2.13 Serial Port Connector (RS-232)
CN Label: COM2
CN Type: 14-pin header (2x7)
CN Location: See Figure 3-17
CN Pinouts: See Table 3-16
Used for RS-232/422/485 communications.
Figure 3-17: Serial Port (COM2) Connector Location
Pin Description Pin Description
1 DCD 2 DSR
3 RXD 4 RTS
5 TXD 6 CTS
7 DTR 8 RI