A
X
4
5
-
5
3
3
P
l
u
s
A
X
4
5
-
5
3
3
P
l
u
s
M
o
d
e
m
A
u
d
i
o
C
o
M
o
d
e
m
A
u
d
i
o
C
o
This connector is used to connect Mono In/MIC Out cable from internal modem card to onboard sound circuit. The pin 1-2 is Mono In, and
the pin 3-4 is MIC Out. Please note that there is no standard for this kind of connector yet, only some internal modem cards implement this
connector.
MODEM-CN
n
n
e
c
t
o
r
n
n
e
c
t
o
r
Mono In
GND
GND
Mic Out
52
O
n
l
i
n
e
M
a
n
u
a
l
O
n
l
i
n
e
M
a
n
u
a
l