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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
4DTR RX- NC
5 Ground Ground Ground
6 DSR RTS- NC
7RTS RTS+ NC
8CTS CTS+ NC
9RI 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