50
M
M
X
X
4
4
L
L
S
S
O
O
n
n
l
l
i
i
n
n
e
e
M
M
a
a
n
n
u
u
a
a
l
l
C
C
O
O
M
M
2
2
C
C
o
o
n
n
n
n
e
e
c
c
t
t
o
o
r
r
This motherboard provides two serial ports. One of them are on back panel connector, the other is on the middle left between
PCI slots. With proper cable, you can connect it to the back panel of chassis.
Pin 1
2
1
DCD#
SOUT
RTS#
RI#
GND
DTR#
SIN
CTS#
DSR#
