Advantech PCI-6881 Manual de usuario descargar pdf (Pagina 29)

19 Chapter 2 Installation

2.20 COM port Connector (CN6,CN12,CN13)

The PCI-6881 provides four COM ports (COM1,COM3,COM4: RS-232

and COM2: RS-232/422/485). CN12 supports COM1, CN13 supports

COM2, CN6 supports COM3, COM4. And JP2 is for COM2 RS-232/

422/485 selection. It provides connections for serial devices (a mouse,

etc.) or a communication network. You can find the pin assignments for

the COM port connector in Appendix B.

2.21 MINI Keyboard Connector (CN17)

The PCI-6881 board provides a keyboard connector that supports both a

keyboard and a PS/2 style mouse. In most cases, especially in embedded

applications, a keyboard is not used. If the keyboard is not present, the

standard PC/AT BIOS will report an error or fail during power-on self-

test (POST) after a reset. The PCI-6881’s BIOS standard setup menu

allows you to select "All, But Keyboard"under the "Halt On"selection.

This allows no-keyboard operation in embedded system applications,

without the system halting under POST.

2.22 External Keyboard Connector (CN18)

In addition to the Mini keyboard connector on the PCI-6881’s rear plate,

there is an additional onboard external keyboard connector, allowing for

greater flexibility in system design.

2.23 Audio Interface Connector (CN15)

The Audio Interface link is a 10 pin connector, the PCI-6881 can support

Audio with the addition of optional PCM-231A-00A1. Detailed pin

assignment refer to Appendix B.

2.24 DI/O Connector (CN16)

The PCI-6881 supports DI/O interface by CN16, which is a 7 x 2 dual

line pin header, supply 8-bit general purpose input or output ports.

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Advantech PCI-6881 Manual de usuario Pagina 29