User`s manual

Chapter 2: Installation
2-15
X8DTU/-F
Rev. 2.0
1
2
Serial Ports
Two COM connections (COM1 &
COM2) are located on the moth-
erboard. COM1 is located next to
the Video port on the Backplane IO
panel. COM2 (JCOM2) is located
next to the BMC Controller to provide
front accessible serial connection.
See the table on the right for pin
de nitions.
Serial Ports-COM1
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
Serial Ports-COM2
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 Key
1. COM 1
2. COM 2