Tangent: Interest Check: Belden Thicknet 10base5 Ethernet Coax

Fred Cisin cisin at xenosoft.com
Fri Feb 2 17:13:56 CST 2018


> they might have different ground 
> systems. If so, grounding both ends might produce a LARGE current 
> through the cable, possibly enough to be hazardous.

OB_Ignorant_Question:  Is that the reason why RS232 DB25 has both pin 1 
and pin 7?


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