Owner's manual

IMB-Q354 microATX Motherboard
Page 44
6 RX+
7 GND
Table 3-13: SATA Drive Connector Pinouts
3.2.12 Serial Port Connector (COM2, COM 3 and COM4)
CN Label:
COM2, COM3 and COM4
CN Type:
10-pin header (2x5)
CN Location:
See
Figure 3-13
CN Pinouts:
See
Table 3-14
The 10-pin serial port connector provides a second RS-232 serial communications
channel. The serial port connectors can be connected to external RS-232 serial port
devices.
Figure 3-13: Serial Connector Location
PIN NO. DESCRIPTION PIN NO. DESCRIPTION
1 Data Carrier Direct (DCD) 6 Data Set Ready (DSR)
2 Receive Data (RXD) 7 Request To Send (RTS)
3 Transmit Data (TXD) 8 Clear To Send (CTS)