Motherboard Information
SI-61S User Manual
21
2
2.5.8
Audio Pin Header for Chassis Front Panel (J16)
Pin
Signal
Pin
Signal
1
MIC IN_L
2
Ground
3
MIC IN_R
4
DET
5
LINE_R
6
Sense Ground
7
Sense
8
Key
9
LINE_L
10
Sense Ground
2.5.9
COM3 & COM4 RS-232 Serial Ports (J17, J18)
Pin
Signal
Pin
Signal
1
DCD#
2
SIN
3
SOUT
4
DTR#
5
Ground
6
DSR#
7
RTS#
8
CTS#
9
RI#
10
KEY
9
1
10
2
J18:
1 9
2 10
J17:
1 9
2 10
