[57476] in North American Network Operators' Group
Re: 600VDC and 802.11?
daemon@ATHENA.MIT.EDU (Jack Bates)
Fri Apr 11 08:40:22 2003
Date: Fri, 11 Apr 2003 07:39:28 -0500
From: Jack Bates <jbates@brightok.net>
To: Stephen Sprunk <stephen@sprunk.org>
Cc: North American Noise and Off-topic Gripes <nanog@merit.edu>
In-Reply-To: <00e601c2ffe5$c902e900$93b58742@ssprunk>
Errors-To: owner-nanog-outgoing@merit.edu
Stephen Sprunk wrote:
> Anyone know about the compatibility of high-voltage DC systems and 802.11b?
> The gear itself will be running on 120VAC via an inverter, but 600VDC/300A
> creates a strong EM field that messes with a lot of off-the-shelf RF gear
> and even some non-RF electronics.
>
To give you a vague idea, we had an issue with a 5 mile 802.11b run
early on. It turns out that the signal was crossing a power line at less
than 5 degrees. Cutting sharply across the power line fixed our problem.
In general, it's best to just try it and see what happens.
-Jack
