Serial Port pinout: Difference between revisions
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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 | |7(TX-)||11(RX+) | ||
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|8(TX+)||4(RX-) | |8(TX+)||4(RX-) | ||
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Revision as of 15:33, 28 February 2008
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 RJ45 pinout is as follows:
| AlphaCom E | |
|---|---|
| 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\>
| RIO -cabeling multidrop (RS485): | |
|---|---|
| RJ45 | RIO 15 p DSUB |
| 1(RX-) | 9(TX+) |
| 2(RX+) | 2(TX-) |
| 7(TX-) | 11(RX+) |
| 8(TX+) | 4(RX-) |