First, 450' is way too far for really reliable ethternet, if it is cat 5.
Voltage drops due to resistance in the wire. Voltage = Current * Resistance. Longer wire has more resistance. You will need to increase the voltage of the power supply based on the current rating of the device(s) at
:
Scott Reed
To: WISPA General List
Sent: Monday, April 24, 2006 11:54
AM
Subject: Re: [WISPA] 450' PoE 48v
First, 450' is way too far for really reliable
ethternet, if it is cat 5. Voltage drops due to resistance in the
wire. Voltage = Current * Resistance. Longer wire has more
Subject: Re: [WISPA] 450' PoE 48v
Thanks, Scott. So, increased voltage is
something to
try.
And your comment on the cat5 being too far...it
was
considered initially but the ethernet interface on these units is a 10mb/half
duplex interface. My experience tells me that I can reliably
