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Acrosser AR-B9612 User Manual

Page 29

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3-10 AR-B9612 User’s Guide

(3) RS-232C Connector (J6 & J7)

J6 is used to connect the COM A port RS-232 selected, the I/O
port default address is 3F8H.

J7 is used to connect the COM B port RS-232 selected, the I/O
port default address is 2F8H.

1 -DCD
2 -DSR
3 RXD
4 -RTS
5 TXD
6 -CTS
7 -DTR
8 -RI
9 GND
10 N.C.

1

2

10

9

COM-A/B

RS-232

1

9

5

6

Figure 3-9 J6 & J7 : COM A & COM B RS-232

3.2.6 Reset Connector (J9)

J9 is used to connect to an external reset switch. Shorting
these two pins will reset the system.

1

2

1

2

Reset

Default setting

Figure 3-10 J9 : Reset Connector