Acrosser AR-B9622 User Manual
Page 26
AR-B9622 User’s Guide
3-8
3.2.9 Serial Port
(1) Full RS-232 Signal / Power Select for COM-A (P3)
P3 select the full RS-232 signal or power select for CN10--COM A, if user chooses the power supported then the
COM A’s RTS will be instead of the +12VDC signal; and the CN10--COM A’s CTS will be instead of the +5VDC
signal.
P3
Power Supported
by +5VDC
Full RS-232 Signals
(Factory Preset)
1
2
1
2
6
4
3
5
6
4
5
3
Figure 3-13 P3: Full RS-232 Signal / Power Select for COM-A
(2) RS-232/RS-485 Select for COM-D (JP6)
JP6 selects the on-board RS-232/RS-485 for CN10 – COM D.
A
B
C
JP6
1
3
2
RS-232
Factory Preset
A
B
C
JP6
1
3
2
RS-485
Figure 3-14 JP6: RS-232/RS-485 Select for COM-D
(3) RS-485 Terminator Select (JP4)
2
OFF
Factory Preset
JP4
1
1
2
ON
Figure 3-15 JP4: RS-485 Terminator Select
(4) RS-232 and Digital I/O Signal Output Select for COM D (JP3)
2
RS-232 Signal
Factory Preset
JP3
1
3
2
1
3
Digital I/O Signal
Figure 3-16 JP3: RS-232 and Digital I/O Signal Output Select for COM-D
(5) Digital I/O Signal Output Header for COM D (J6)
2 DSR
J6
1 DTR
3 Ground
Figure 3-17 J6: Digital I/O Signal Output Header for COM D