Great tips, thanks.
As for the paging, Bldg #1 has a Bogen (old) 70v setup and the other extended Bldg #2 has the same.
I guess I was saying that the 600ohm source (off the Samsung 7200) wouldn't reach, but apparently I am wrong? Can a Cat3 4-pair voice cable carry 600ohm audio 1000-1100ft? I have never gone that far. I am aware Valcom has paging expanders to boost the signal (as well as noise I suppose).
Should I use a heavier guage cable for the 600ohm page audio feed - maybe shielded? 99.9% of the paging I've done is Valcom, with short <200ft runs at most. If someone has a specific part number for a good paging feed cable that would be fantastic.
We did an official measurement and it is closer to 1000' - bldg A to B, so I think we are good for the digital phones over say a Cat3 50-pair feed. The Samsung manual says the digital phones are good to 1310'.
