Advantech PPC-125 Manual de usuario Pagina 68

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PPC-153 User’s Manual 54
5.4 COM-port interface (JP5, JP6)
The panel PC provides four serial ports (COM1, 3, 4: RS-232; COM2:
RS-232/422/485) in one COM port connector.
5.4.1 COM2 RS-232/422/485 setting (JP6)
COM2 can be configured to operate in RS-232, RS-422, or RS-485 mode.
This is done via JP6.
The IRQ and the address ranges for COM1, 2, 3, and 4 are fixed. How-
ever, if you wish to disable the port or change these parameters later you
can do this in the system BIOS setup. The table overleaf shows the
default settings for the panel PC’s serial ports.
COM1 and COM2 are one set. You can exchange the address range and
interrupt IRQ of COM1 for the address range and interrupt IRQ of
COM2. After exchanging, COM1's address range is 3F8 ~ 3FF and its
Table 5.4: COM2 RS-232/422/485 setting (JP6)
*RS-232
RS-422
RS-485
* default setting
13579131517 11
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13579131517 11
246810141618 12
13579131517 11
246810141618 12
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