Foxconn 6100M2MA series User Manual page 27

Addtional COM Connector: COM2
This motherboard provides an additional
serial COM connector for your machine.
Connect one side of a switching cable to the
connector, then attach the serial COM device
to the other side of the cable.
20
Chapter 2 Installation Instructions
RLSD
SOUT
GND
RTS#
RI#
1 2
SIN
DTR#
DSR#
CTS#
Empty
9 10
COM2