J6: com2 serial port j7: system function connector – IBASE MB945 User Manual
Page 25
INSTALLATIONS
J6: COM2 Serial Port
COM2 is jumper selectable for RS-232, RS-422 and RS-485.
Please refer to JP11: 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: System Function Connector
J7 provides connectors for system indicators that provide light indication
of the computer activities and switches to change the computer status.
MB945 User’s Manual
21
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