Serial Port pinout: Difference between revisions
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[[RIO]]: Multidrop (RS485) cabling: | [[RIO]]: Multidrop (RS485) cabling: | ||
<pre> | <pre> | ||
AlphaCom | AlphaCom RIO #1 RIO #n | ||
Serial 1 | Serial 1 15 pin DSUB 15 pin DSUB | ||
RJ45 | |||
1 -----------------+-- 9 --+----------------+-- 9 | |||
| | | | |||
--- 11--- --- 11 | |||
7 -----------------+-- 2 --+----------------+-- 2 | |||
| | | | |||
--- 4 --- --- 4 | |||
</pre> | </pre> | ||
Revision as of 15:51, 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: Multidrop (RS485) cabling:
AlphaCom RIO #1 RIO #n
Serial 1 15 pin DSUB 15 pin DSUB
RJ45
1 -----------------+-- 9 --+----------------+-- 9
| | |
--- 11--- --- 11
7 -----------------+-- 2 --+----------------+-- 2
| | |
--- 4 --- --- 4