IEI Integration IMBA-9454 v1.00 - Manual (Page 81)

IMBA-9454 Motherboard
Page 63
COM3, COM4, COM5, COM6
Figure 4-19: Serial Port Connector (RS-232) Pinout Locations
PIN DESCRIPTION PIN DESCRIPTION
1 DCD- 6 DSR-
2 SIN 7 RTS-
3 SOUT 8 CTS-
4 DTR- 9 RI
5 GND 10 GND
Table 4-21: Serial Port Connector (RS-232) Pinouts
4.2.19 Serial Port Connector (RS-232/422/485)
CN Label: COM2
CN Type: 14-pin header (2x7)
CN Location: See Figure 4-20
CN Pinouts: See Table 4-22
The 14-pin serial port connector provides an RS-232/422/485 serial communications
channel that can be connected to external RS-232/422/485 serial port devices. The signal
type is controlled via the JP4 jumper and is shared with the CN1 connector.