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PPC-5190 User Manual - iEi

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<strong>PPC</strong>-<strong>5190</strong> Flat Panel PC<br />

RS-232 Mode<br />

PIN Description PIN Description<br />

1 DCD 2 DSR<br />

3 RXD 4 RTS<br />

5 TXD 6 CTX<br />

7 DTR 8 RI<br />

9 GND 10 NC<br />

RS-422 Mode<br />

PIN Description PIN Description<br />

1 TXD- 2 RX-<br />

3 TXD+ 4 RX+<br />

5 NC 6 NC<br />

7 NC 8 Voltage<br />

9 NC 10 NC<br />

RS-485 Mode<br />

PIN Description PIN Description<br />

1 RTX- 2 NC<br />

3 RTX+ 4 NC<br />

5 NC 6 NC<br />

7 NC 8 Voltage<br />

9 NC 10 NC<br />

CN20B: Serial Port DB-9 Male Connector (COM2)<br />

COM2 supports three modes: RS-232, RS-422 and RS-485 (via DB-9 Connector).<br />

Page 154

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