Difference between revisions of "Serial port pinout"
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| − | + | !style="background:#ffdead;" width="90pt"; colspan = 2|RJ45 pinout | |
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|RS232||3 = TX<br\>6 = RX<br\> 4&5 = GND | |RS232||3 = TX<br\>6 = RX<br\> 4&5 = GND | ||
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<br\><br\> | <br\><br\> | ||
| + | Cabling between RIO unit and AlphaCom E using multidrop RS485: | ||
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| − | !style="background:#ffdead;" width="100pt | + | !style="background:#ffdead;" width="100pt"|RJ45 - AlphaCom E |
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!style="background:#ffdead;" width="100pt"|RIO 15 p DSUB | !style="background:#ffdead;" width="100pt"|RIO 15 p DSUB | ||
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| − | |1(RX-)||9(TX+) | + | |1 (RX-)||9 (TX+) |
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| − | |2(RX+)||2(TX) | + | |2 (RX+)||2 (TX-) |
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| − | |7(TX+)||11(RX+) | + | |7 (TX+)||11 (RX+) |
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| − | |8(TX+)||4(RX-) | + | |8 (TX+)||4 (RX-) |
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Revision as of 12:32, 17 August 2007
In the AlphaCom E20 and E26 the two serial ports are available on RJ45 connectors. In the AlphaCom E7 serial port 0 is 9 pin DSUB, and serial poret 1 is RJ45.
The serial port 0 can be RS232 only, the serial port 1 can be RS232, RS422 or RS485.
The pinout on the RJ45 connector is as follows:
| RJ45 pinout | |
|---|---|
| RS232 | 3 = TX<br\>6 = RX<br\> 4&5 = GND |
| RS422 | 1 = RX-<br\>2 = RX+<br\>7 = TX-<br\>8 = TX+ |
| RS485 | 1/7 = Data - <br\> 2/8 = Data+ |
<br\><br\> Cabling between RIO unit and AlphaCom E using multidrop RS485:
| RJ45 - AlphaCom E | RIO 15 p DSUB |
|---|---|
| 1 (RX-) | 9 (TX+) |
| 2 (RX+) | 2 (TX-) |
| 7 (TX+) | 11 (RX+) |
| 8 (TX+) | 4 (RX-) |