>-----Original Message-----
>From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] 
>Sent: 02 May 2006 13:04
>To: Microcontroller discussion list - Public.
>Subject: Re: [EE] Looking for single channel RS232 @2.5V
>
>
>>rs232 isn't spec'ed for 500m of cable.  IIRC, it has specs like:
>>1) maximum speed 19200
>>2) 19200 has a cable length limit of about 20 feet.
>>3) "HW flow control" doesn't exist.
>
>I guess RTS control of a multidrop modem isn't flow control? 
>CTS says the link is ready to accept.

RTS/CTS is generaly controlled by software rather than the UART though, so not HW flow control?

Regards

Mike

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