On November 7, 2019 at 04:51, crosen said...
For the sake of example, let's say the switch I'd like to use is the Netgear GS305P switch:
[Link: images-na.ssl-images-amazon.com]In your example, all it takes is a little simple math.
Switch is powered by a 48VDC power supply, that can supply 1.25 amps. At a distance of 125 ft over 18 awg copper, the maximum voltage drop would be 2 volts at full load.
Here is a simple online calculator you can use:
[Link: calculator.net]It should work fine.
But for + confirmation, you can set this up on a test bench real quick and verify proper operation.
