User Guide

41
A
A
X
X
6
6
C
C
-
-
L
L
O
O
n
n
l
l
i
i
n
n
e
e
M
M
a
a
n
n
u
u
a
a
l
l
Open
A
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.
1 Mono In
2 GND
3 GND
4 Mic Out
1 2 3
Pin 1
4
MODEM-CN