Asus MEB-VM User Manual page 28

III. HARDWARE SETUP
15. Voice Modem In Connector (4-pin MODEM)
The MODEM connector allows mono input and output for a voice modem mi-
crophone and speaker interface.
MEB-VM Voice Modem In Connector
16. Serial Port COM 2 Header (10-1 pin COM2)
The optional serial port connector and bracket can be used to add an additional
serial port for additional serial devices.
MEB-VM Serial COM 2 Header
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MODEM
ASUS MEB-VM User's Manual
Input
Ground
Ground
Output
Pin 1