External Keyboard Connector (Cn18); Audio Interface Connector (Cn7); Pc/104 Connector(Cn12); Ir Connector(Cn5) - Advantech PCA-6781 User Manual

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2.18

External Keyboard Connector (CN18)

In addition to the Mini keyboard connector on the PCA-6781's rear plate, there is an

additional onboard external keyboard connector, allowing for greater flexibility in sys-

tem design.

2.19

The Audio Interface link is a 10 pin connector, the PCA-6781 can support Audio with

the addition of optional PCM-231A-00A1. Detailed pin assignment refer to Appendix

2.20

The PCA-6781 is equipped with a 8/16 bit ISA signal PC/104 connector for future

expansion.

2.21

This connector supports the optional wireless infrared transmitting and receiving

module. This module mounts on the system case. You must configure the setting

through BIOS setup. Detailed pin definition you will find in Appendix B.

Note!

When using PCA-6781's IR function, please remove J5 jumper.

2.22

The PCA-6781 is equipped with a Negative Power Input connector providing -5 V

and -12 V power if your applications need.

2.23

+12 V FAN connector (CN22)

The PCA-6781 is equipped with a 3-pin FAN connector providing +12 V power for

CPU FAN. PCA-6781 is designed to Fanless, in general case, you won't need to con-

nect CN22.

PCA-6781 User Manual

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