It's never been a problem to do this on 3-series that I'm aware of.? Is this is a new limitation for 4-series?? How on earth would you write a S+ module to use the most common IP control port ever, TelNet port 23 if so.? There is a ton of equipment that uses port 23 for IP control.? Will any module or program that needs to communicate to ports under 1024 not compile on 4-series?
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Jason Mussetter
Control Systems Designer
Mussetter Programming Services
www.mpsav.com