Differences between current version and revision by previous author of RS232.
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| Newer page: | version 5 | Last edited on Saturday, July 23, 2005 1:59:21 pm | by AristotlePagaltzis | |
| Older page: | version 4 | Last edited on Thursday, April 14, 2005 6:45:08 pm | by PerryLorier | Revert |
@@ -1,14 +1,15 @@
-RS232 is a standard for serial connections.
In theory there are two ends to a RS232 connection a [DTE] and a [DCE].
+[
RS232]
is a standard for serial connections. It uses pin 7 for ground, and pins 2 and 3 for transmit and receive. Other pins are used for hardware flow control, Ring indication etc.
In theory there are two ends to a [
RS232]
connection,
a [DTE] and a [DCE].
-RS232 uses pin 7 for ground, and pins 2 and 3 for
transmit and receive
. Other pins are used for hardware flow control, Ring indication etc
.
+[
RS232] requires you to select a
transmit/receieve rate called a baud rate
. [PC]s commonly support up to 115200 baud. Almost everything defaults to 9600 (although not always)
.
-RS232 requires you to select a transmit/receieve rate called a baud rate. "Standard" PC
's support up to 115200 baud. Almost everything defaults to 9600 (although not always).
+Perry
's helpful discovery for debugging serial connections:''''
-Perry's helpful discovery for debugging serial connections:
- <Remosi> It doesn't matter what baud rate you choose, if it's not plugged in
+ <verbatim>
+
<Remosi> It doesn't matter what baud rate you choose, if it's not plugged in
+ </verbatim>
-See mouse(4) for an example of low level driver details, and see [HowToSerialHOWTO
] for a very detailed background and discussion.
+See mouse(4) for an example of low level driver details, and see the
[Serial HOWTO | http://www.tldp.org/HOWTO/Serial-HOWTO.html
] for a very detailed background and discussion.
See http://www.camiresearch.com/Data_Com_Basics/RS232_standard.html for a history of the standard.
* [Pin outs|http://www.zytrax.com/tech/layer_1/cables/tech_rs232.htm]
