[time-nuts] FASTRAX GPS

Alexander Pummer alexpcs at ieee.org
Wed Jul 2 16:00:53 EDT 2014

the trick of every data line is; it has to me matched to it's impedance, 
at least at the receiving end, other way it is ringing. Every pair of 
conductor becomes transmission line as soon it's length exceeds " the 
length of the rise time" of the signal which is traveling on it.

On 7/2/2014 11:46 AM, Wojciech Owczarek wrote:
> My 2c - RS232 is extensively used in data centres over cat5 with network kit for out of band management via serial consoles, usually 9600 baud.
> I've done this many times via (multiple) patching panels/frames easily over 100ft, ribbon/rollover then cat6 but also cat5. This kit tends to be reliable and usually well grounded though. Well, and "compliant".
> Wojciech Owczarek
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