Thanks Forrest. It was a mix of 450 and 100 series. They all appear to have been damaged. The only thing I get an Ethernet link light on is a bh50 radio
Sent from my iPhone > On Apr 24, 2015, at 05:06, Forrest Christian (List Account) > <[email protected]> wrote: > > Hmm.. I love (not) autocorrect on android... port, not portal... But now I'm > on a real computer and have a chance to re-read the original message, and > think a bit... I think I need to change my final answer. > > If these were 100 series radios I'd say "that seems rather odd that this > would cause a failure". BUT... I'm assuming these are 450 radios. > > With the 450, there's a ethernet transformer on each pair. To DC, this is > effectively a short. Or since these are made with very thin wire you could > probably more accurately call it a 'fuse'. So if you take a pair and put > say the + lead of a 24V power source on one wire in the pair, and the return > (-) on the other pair, you'd find that the wire in the transformer would > melt, and would probably do so very quickly. This is *exactly* the wiring > that the 320/430 radios used. In addition, there is every possibility that > the current being drawn before melting is smaller than the amount of current > needed by a real 320 or 430 radio on power on. So, when this got plugged > in, there's a good chance that you melted the ethernet transformers. > > The good news is if this is what has happened, it should be a fairly easy fix > by almost any electronic repair shop which knows how to rework surface mount > boards - just remove the magnetics and replace them. > > Unless of course there was another cause. > > -forrest > > >> On Thu, Apr 23, 2015 at 9:58 PM, Forrest Christian (List Account) >> <[email protected]> wrote: >> Due to the odd wiring the radios probably shorted out the overcurrent >> protection in the injectors, turning off the portal and I'd not be surprised >> if the radios are just fine. Especially if they were never plugged into an >> already on injector. >> >> So we accidentally put sync injectors on to a din rail today that were for >> the 320/430 radios. Oops >> >> Both of the injectors were powered by a 24 V 10 amp power supply >> All of the radios that were plugged into those injectors no longer appear to >> boot up which wouldn't surprise me if there had been a 56 V power supply or >> 48 V power supply powering them. However since they were powered by a 24 V >> power supply how could that have damaged the radios? >> >> Sent from my iPhone > > > > -- > Forrest Christian CEO, PacketFlux Technologies, Inc. > Tel: 406-449-3345 | Address: 3577 Countryside Road, Helena, MT 59602 > [email protected] | http://www.packetflux.com > >
