Serial, RS232 - Revision history

Ravinglunatic at 00:08, 29 January 2011

2011-01-29T00:08:35Z

2011-01-29T00:07:52Z

External Links

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	*[http://en.wikipedia.org/wiki/RS-232 RS-232 Spec form Wikipedia]		*[http://en.wikipedia.org/wiki/RS-232 RS-232 Spec form Wikipedia]
	*[http://www.tiaonline.org/about/ Telecommunications Industry Association]		*[http://www.tiaonline.org/about/ Telecommunications Industry Association]



			[[Category:Protocols]]
			[[Category:DIYC Index]]

2009-03-18T02:32:47Z

External Links

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	==External Links==		==External Links==
	*[http://www.lammertbies.nl/comm/info/RS-232_specs.html Introduction into RS232 specifications]		*[http://www.lammertbies.nl/comm/info/RS-232_specs.html Introduction into RS232 specifications]
			*[http://www.maxim-ic.com/appnotes.cfm/an_pk/723/ Selecting and Using RS-232, RS-422, and RS-485 Serial Data Standards]
	*[http://en.wikipedia.org/wiki/RS-232 RS-232 Spec form Wikipedia]		*[http://en.wikipedia.org/wiki/RS-232 RS-232 Spec form Wikipedia]
	*[http://www.tiaonline.org/about/ Telecommunications Industry Association]		*[http://www.tiaonline.org/about/ Telecommunications Industry Association]

2009-03-18T02:04:21Z

External Links

← Older revision		Revision as of 02:04, 18 March 2009
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	*[http://www.lammertbies.nl/comm/info/RS-232_specs.html Introduction into RS232 specifications]		*[http://www.lammertbies.nl/comm/info/RS-232_specs.html Introduction into RS232 specifications]
	*[http://en.wikipedia.org/wiki/RS-232 RS-232 Spec form Wikipedia]		*[http://en.wikipedia.org/wiki/RS-232 RS-232 Spec form Wikipedia]
			*[http://www.tiaonline.org/about/ Telecommunications Industry Association]

2009-03-18T02:00:57Z

Achievable distances

← Older revision		Revision as of 02:00, 18 March 2009
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	</TABLE>		</TABLE>

	== Achievable ~~distances~~==		== Achievable Distances==
			The maximum distance that RS-232 can go varies depending on Baud Rate and also the capacitance of the wire itself. Texas Instruments states that RS-232 maximum cable length is 50 feet, or the cable length equal to a capacitance of 2500 pF. Depending on the cable such as Category 5 Twisted pair the maximum achievable distance at 19200 is 157 feet.

	~~The maximum distance that~~ RS-232 ~~can go varies depending on Baud Rate and also the capacitance of the wire itself. Texas Instruments states that RS-232 maximum~~ cable length ~~is 50 feet, or the cable length equal~~ to ~~a capacitance of 2500 pF. Depending on the cable such as Category 5 Twisted pair the maximum achievable distance at 19200 is 157 feet~~.		Here is a chart showing theoretical limits as various data rates for RS-232 cable length according to Texas Instruments.

	~~here is a chart showing theoretical limits as various data rates for RS232 cable length according to Texas Instruments.~~
	<TABLE>		<TABLE>
	<TR><TH> Baud rate </TH><TH> Maximum cable length (ft) </TH></TR>		<TR><TH> Baud rate </TH><TH> Maximum cable length (ft) </TH></TR>

2009-03-18T02:00:06Z

Disadvantages

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	===Disadvantages===		===Disadvantages===
	One of the main problems with ~~RS232~~ is the lack of immunity for noise on the signal lines.		One of the main problems with RS-232 is the lack of immunity for noise on the signal lines.

2009-03-18T01:59:57Z

Advantages

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	<BR><BR>		<BR><BR>
	===Advantages===		===Advantages===
	~~RS232~~ is without doubt the best known interface, because this serial interface is implemented on almost all computers available today.		RS-232 is without doubt the best known interface, because this serial interface is implemented on almost all computers available today.

	===Disadvantages===		===Disadvantages===

2009-03-18T01:59:42Z

Achievable distances

← Older revision		Revision as of 01:59, 18 March 2009
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	</TABLE>		</TABLE>
	<BR><BR>		<BR><BR>
			===Advantages===
			RS232 is without doubt the best known interface, because this serial interface is implemented on almost all computers available today.

			===Disadvantages===
			One of the main problems with RS232 is the lack of immunity for noise on the signal lines.


	However RS-232 suffers from three main problems:		However RS-232 suffers from three main problems:
	<UL>		<UL>
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	<LI>3) it allows only short communication distances.		<LI>3) it allows only short communication distances.
	</UL>		</UL>
			<BR>
	In order to overcome some of these issues [[Serial, RS485\|RS-422]] or [[Serial, RS485\|RS-485]] is the preferred choice.		In order to overcome some of these issues [[Serial, RS485\|RS-422]] or [[Serial, RS485\|RS-485]] is the preferred choice.

	~~===Advantages===~~
	~~RS232 is without doubt the best known interface, because this serial interface is implemented on almost all computers available today.~~

	~~===Disadvantages===~~
	~~One of the main problems with RS232 is the lack of immunity for noise on the signal lines.~~

	==Interfacing to Microcontrollers==		==Interfacing to Microcontrollers==

2009-03-18T01:59:16Z

← Older revision		Revision as of 01:59, 18 March 2009
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	In order to overcome some of these issues [[Serial, RS485\|RS-422]] or [[Serial, RS485\|RS-485]] is the preferred choice.		In order to overcome some of these issues [[Serial, RS485\|RS-422]] or [[Serial, RS485\|RS-485]] is the preferred choice.

			===Advantages===
			RS232 is without doubt the best known interface, because this serial interface is implemented on almost all computers available today.

			===Disadvantages===
			One of the main problems with RS232 is the lack of immunity for noise on the signal lines.

	==Interfacing to Microcontrollers==		==Interfacing to Microcontrollers==

2009-03-17T21:03:28Z

Achievable distances

← Older revision		Revision as of 21:03, 17 March 2009
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	</UL>		</UL>

	In order to overcome some of these issues RS-422 or RS-485 is the preferred choice.		In order to overcome some of these issues [[Serial, RS485\|RS-422]] or [[Serial, RS485\|RS-485]] is the preferred choice.

	==Interfacing to Microcontrollers==		==Interfacing to Microcontrollers==