INSTALLATIONS
J6: COM2 Serial Port
COM2 is jumper selectable for RS-232, RS-422 and RS-485.
Please refer to JP1, JP2, JP3: RS232/422/485 (COM2) Selection
Pin
#
Signal Name
RS-232
R2-422 RS-485
1
DCD TX-
DATA-
2
RX TX+
DATA+
3
TX RX+ NC
4
DTR
RX-
NC
5
Ground Ground Ground
6
DSR RTS- NC
7
RTS
RTS+
NC
8
CTS
CTS+
NC
9
RI
CTS-
NC
10
NC NC NC
J7: COM1 Serial Ports Connector
J7 is a 10-pin header support RS232 COM ports.
Signal
Name
Pin
Pin
Signal
Name
DCD
1 6
DSR
RX
2 7
RTS
TX
3 8
CTS
DTR
4 9
RI
GND
5 10
NC
J8: System Function Connector
J8 provides connectors for system indicators that provide light indication
of the computer activities and switches to change the computer status.
18
IB935 User’s Manual
