PSN-L Email List Message
Subject: Re: GPS serial connection
From: Ian Smith ian@...........
Date: Mon, 19 Apr 2004 18:31:54 +0100
How far you can run an rs232 cable is dependant on the speed that you
need to run the link (amongst others too). GPS receivers tend to be run
at 4800 or 9600 baud. This is fairly modest so I would be optimistic
that it would work over 100 feet, even without an extender. Worth a try.
> I have successfully run RS-232C cables of 100 feet in length. I might
> also suggest you
> consider a RS-232C extender (which uses CAT5 cable between two
> converter boxes)
> such as that offered by Minicom: http://www.minicom.com/kvm_232.htm
> There are others available as well:
> What others have done is to extend the GPS antenna coax rather than
> the RS-232 cable and put the receiver next to the A/D.
> Hope this helps,
> At 09:05 AM 4/19/2004, you wrote:
>> Since there is power in my attic, I want to install my GPS receiver
>> near the
>> roof vent at the end of the house and run the cable down to Larry's
>> A/D. The
>> distance is about 100 feet and I think that is too far for RS232. I
>> have read
>> where RS485 is useful for this issue. Any suggestions would be
>> Thank you.
>> Richard Gagnon
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