Advantech Industrial Mini-ITX Motherboard with DDR2/Dual GbE/PCI AIMB-221 User Manual

Page 42

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AIMB-221 User Manual

32

RS-422

pin.1

RS-485+

pin.2

RS-485-

RS-485

pin.1

RS-422 Tx-

pin.2

RS-422 Tx+

pin.3

RS-422 Rx+

pin.4

RS-422 Rx-

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