User Guide

M
M
X
X
3
3
S
S
-
-
U
U
/
/
M
M
X
X
3
3
S
S
P
P
-
-
U
U
O
O
n
n
l
l
i
i
n
n
e
e
M
M
a
a
n
n
u
u
a
a
l
l
M
M
o
o
d
d
e
e
m
m
A
A
u
u
d
d
i
i
o
o
C
C
o
o
n
n
n
n
e
e
c
c
t
t
o
o
r
r
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.
44
MIC Out
GND
GND
Mono In
MODEM-CN