55
A
A
X
X
4
4
G
G
E
E
T
T
u
u
b
b
e
e
/
/
A
A
X
X
4
4
P
P
E
E
T
T
u
u
b
b
e
e
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 is on back panel connector, and the other is on the lower part of the
board. With proper cable, you can connect it to the back panel of chassis.
Pin 1
1
2
GND
SOUT
DOD#
RI#
RTS#
SIN
DTR#
DSR#
CTS#
