User`s manual

Chapter 2: Installation
2-9
Serial Ports
Two COM connections (COM1, COM2)
are located on the motherboard. COM1
is located on the back I/O panel. A COM2
header is located near the PCI-E slot
to provide an additional onboard serial
port. See the table on the right for pin
denitions.
Serial Ports-COM1/COM2/COM3/COM4
PinDenitions
Pin # Denition Pin # Denition
1 DCD 6 DSR
2 RXD 7 RTS
3 TXD 8 CTS
4 DTR 9 RI
5 Ground 10 N/A
(Backpanel) COM1
COM2 header
1
1
2
Back Panel Connectors
1
2