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| In AlphCom E the serial ports are available on RJ45 connectors.
| | #REDIRECT [[Serial port pinout]] |
| Serial port 0 is RS232 only, serial port 1 can be RS232, RS422 or RS485. | |
| The RJ45 pinout is as follows:
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| {|border="1"
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| !width="90pt"|
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| !style="background:#ffdead;" width="100pt"|AlphaCom E
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| |RS232||3 = TX<br\>6 = RX<br\> 4&5 = GND
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| |-
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| |RS422||1 = RX-<br\>2 = RX+<br\>7 = TX-<br\>8 = TX+
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| |-
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| |RS485||1/7 = Data - <br\> 2/8 = Data+
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| |}
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| <br\><br\>
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| {|border="1"
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| !style="background:#ffdead;" width="100pt" colspan="2"|RIO -cabeling multidrop (RS485):
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| !style="background:#ffdead;" width="100pt"|RJ45
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| !style="background:#ffdead;" width="100pt"|RIO 15 p DSUB
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| |-
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| |1(RX-)||9(TX+)
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| |2(RX+)||2(TX)
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| |-
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| |7(TX+)||11(RX+)
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| |-
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| |8(TX+)||4(RX-)
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| |-
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| |}
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