INSTALLATIONS
MB900-R User’s Manual 17
J1: Digital I/O Connector (4 in, 4 out)
This 10-pin digital I/O connector suppo rts TTL levels and is used to
control external devices requiring ON/OFF circuitry.
Signal Name
Pin #
Pin #
Signal Name
Ground
1
2
+5V
Out3
3
4
Out1
Out2
5
6
Out0
IN3
7
8
IN1
IN2
9
10
IN0
J3: Audio Front Header
Signal Name
Pin #
Pin #
Signal Name
MIC2_L
1
2
Ground
MIC2_R
3
4
Presence#
Line2_L
5
6
MIC2_ID
Sense
7
8
NC
Line2_R
9
10
Line2_ID
J5: USB4/USB5 Connector
Signal Name
Pin
Pin
Signal Name
Vcc
1
2
Vcc
D-
3
4
D-
D+
5
6
D+
Ground
7
8
Ground
Protect Pin
9
10
NC
J6: USB6/USB7 Connector
Signal Name
Pin
Pin
Signal Name
Vcc
1
2
Vcc
D-
3
4
D-
D+
5
6
D+
Ground
7
8
Ground
Protect Pin
9
10
NC