Cd Audio Connector; Mono In/Mic Out Connector - AOpen MX3L User Manual

Hardware Installation

2.3.15 CD Audio Connector

This connector is used to connect CD audio cable.

2.3.16 Mono In/Mic Out Connector

This connector is used to connect Mono In/Mic Out
connector of an internal modem card. 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.
Please see the pin definitions to connect the cable.
2-14
Pin
1
2
3
4
1
2
3
4
CD-IN
Pin
1
2
3
4
1
2
3
4
MODEM-CN
Description
L
GND
GND
R
Description
Mono In
GND
GND
Mic Out