J5: digital i/o, J6: com2/rs232, com3/rs232 serial port, J7: com4/rs232 serial port – IBASE MI889 User Manual
Page 20: J8: power led
INSTALLATIONS
J5: Digital I/O
Signal Name
Pin
Pin
Signal Name
GND 1
2 VCC
OUT3 3
4 OUT1
OUT2 5
6 OUT0
IN3 7
8 IN1
IN2 9
10
IN0
J6: COM2/RS232, COM3/RS232 Serial Port
Signal Name
Pin #
Pin #
Signal Name
DSR 2
1 DCD
RTS 4
3 RXD
CTS 6
5 TXD
RI 8
7
DTR
NA 10
9
Ground
DSR 12
11 DCD
RTS 14
13 RXD
CTS 16
15 TXD
RI 18
17
DTR
NA 20
19
Ground
J7: COM4/RS232 Serial Port
Signal Name
Pin #
Pin #
Signal Name
DCD, Data carrier detect
1
6
DSR, Data set ready
RXD, Receive data
2
7
RTS, Request to send
TXD, Transmit data
3
8
CTS, Clear to send
DTR, Data terminal ready
4
9
RI, Ring indicator
GND, ground
5
10
Not Used
J8: Power LED
The power LED indicates the status of the main power switch.
Pin # Signal Name
1 Power
LED
2 No
connect
3 Ground
16
MI889 User’s Manual