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INSTALLATIONS
18
MB884 User’s Manual
J1: Digital I/O Connector (4 in, 4 out)
This 10-pin Digital I/O connector supports 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: IrDA Connector
Pin # Signal Name
1 +5V
2 No connect
3 Ir RX
4 Ground
5 Ir TX
J4: USB Connector
The following table shows the pin outs of the USB pin header.
Signal Name Pin Pin Signal Name
Vcc 1 5 Ground
USB0- 2 6 USB1+
USB0+ 3 7 USB1-
J4
Ground 4 8 Vcc
J5: CD-In Audio Connector
Pin # Signal Name
1 CD Audio R
2 Ground
3 Ground
4 CD Audio L