jasonjordan Posted July 31, 2012 Share Posted July 31, 2012 Very disappointed to report my brand new Mk IV just released its magic smoke and is dead. I used a PoE Adaptor (working fine on my Cisco 7940) into the PoE port and within seconds there was a "crack" and a puff of smoke. It had previpusly been working perfectly via the power connector. I opened the box hoping it was a simple diode or cap - but unfortunately it destroyed a small IC. So it's now in the bin. 8-( Super-disappointed as I didn't do anything cowboyish. Please be very careful if you're looking to use PoE. If you're like me, you can't afford to just go and buy another one. 8( Cheers, Jason Quote Link to comment Share on other sites More sharing options...
Molotof Posted July 31, 2012 Share Posted July 31, 2012 Hmmm, i know that cisco power injectors are rated 24 volts, what was the voltage on the power adapter for the cisco injector ? Quote Link to comment Share on other sites More sharing options...
BigFanOHak5 Posted July 31, 2012 Share Posted July 31, 2012 You should be able to exchange it for another if it is brand new. The Hak5 customer service is great. Quote Link to comment Share on other sites More sharing options...
Synsafe Posted July 31, 2012 Share Posted July 31, 2012 (edited) Another user burned his not sure if the same part but he got a handful of replacement chips from the manufacture and is distributing them at cost to other forum users. http://forums.hak5.o...-fp6188x-chips/ Hope this helps, I feel your loss. Edited July 31, 2012 by Synsafe Quote Link to comment Share on other sites More sharing options...
jasonjordan Posted July 31, 2012 Author Share Posted July 31, 2012 Hmmm, i know that cisco power injectors are rated 24 volts, what was the voltage on the power adapter for the cisco injector ? <facepalm> I'm so embarrassed. Just checked the voltage on the PoE Adaptor. It's 48v. I should have checked first but this dopey bugger assumed everything was 12v. Now my stupidity has left me without my Pineapple. 8( I'm absolutely not blaming anyone else, but I wish there were some kind of over-voltage protection. Guess I need to start saving for the replacement. Cheers, Jason Quote Link to comment Share on other sites More sharing options...
Molotof Posted July 31, 2012 Share Posted July 31, 2012 <facepalm> I'm so embarrassed. Just checked the voltage on the PoE Adaptor. It's 48v. I should have checked first but this dopey bugger assumed everything was 12v. Now my stupidity has left me without my Pineapple. 8( I'm absolutely not blaming anyone else, but I wish there were some kind of over-voltage protection. Guess I need to start saving for the replacement. Cheers, Jason It's ok man, no body learns for free ;) Try to fix that blown little piece, check that thread and try to contact the guy he can help you in all things related, he knows cuz he got burnt too. Quote Link to comment Share on other sites More sharing options...
Mr-Protocol Posted July 31, 2012 Share Posted July 31, 2012 <facepalm> I'm so embarrassed. Just checked the voltage on the PoE Adaptor. It's 48v. I should have checked first but this dopey bugger assumed everything was 12v. Now my stupidity has left me without my Pineapple. 8( I'm absolutely not blaming anyone else, but I wish there were some kind of over-voltage protection. Guess I need to start saving for the replacement. Cheers, Jason Always good to check specs before hooking things up. Will save time and money. :-) http://www.alfa.com.tw/in/front/bin/ptdetail.phtml?Part=AP121U&Category=106129 PoE: 12V Passive PoE It's passive which means the device will not negotiate a voltage. Hopefully this will help prevent other's having mishaps. Quote Link to comment Share on other sites More sharing options...
jasonjordan Posted July 31, 2012 Author Share Posted July 31, 2012 Thanks everyone! I've PMed the guy with the chips. Hopefully I'll be able to do some successful surface-level soldering! I'm so angry at myself. 8( Cheers, Jason Quote Link to comment Share on other sites More sharing options...
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