Faytech FAY-002 - Page 29

2-21
Chapter 2: Motherboard information
13. Serial port connectors (10-1 pin COM2, COM3)
Theseconnectorsareforserial(COM)ports.Connecttheserialportmodule
cabletothisconnector,theninstallthemoduletoaslotopeningattheback
of the system chassis.
NOTE:
• TheCOMmoduleispurchasedseparately.
• COM1alsosupportsRS-232/RS-422/RS-485.Seethetablebelowand
section 3.3.2 Super IO Configuration for details.
FAY-002 Serial port connectors
PIN 1
COM2
DCD
TXD
GND
RTS
RI2
RXD DTR DSR CTS NC
PIN 1
COM3
DCD
TXD
GND
RTS
RI2
RXD DTR DSR CTS NC
Pin Signal Pin Signal
1 DCD(422TXD-/485DATA-) 2 RXD(422RXD+)
3 TXD(422TXD+/485DATA+) 4 DTR(422RXD-)
5 GND 6 DSR
7 RTS 8 CTS
9 RI/+12V/+5V 10 N.C.