andersh67 0 Posted April 5, 2014 I have an IP cam which can be switched between WiFi and wired, and it is also POE. I've had it at WiFi for some time but I wanted to connect it to my POE network as I now got all my cat5 cable pulled. I tried it out with a POE splitter some weeks ago and it worked fine. When I connected it to the POE switch now I could not get it to work. When I had it on WiFi I entered the camera setup and turned WiFi off. I then connected the cat5 to the POW splitter and then the splitter to the power and network into the camera. Nothing. I then noticed that the POE splitter got very hot, almost to the point that you could not hold it for a longer time. I disconnected it again. I then connected the power adapter and a cat5 from the network router to the camera. No network connection. The power to the camera is working since the IR is coming on, but the network connection gets no signal at all. What could have happened? Did anything maybe happen to it when the splitter got hot? Share this post Link to post Share on other sites
Securame 0 Posted April 5, 2014 What could have happened?Did anything maybe happen to it when the splitter got hot? You might have fried the network port on the camera. Share this post Link to post Share on other sites
andersh67 0 Posted April 5, 2014 Is that possible to repair or is it lost? Share this post Link to post Share on other sites
buellwinkle 0 Posted April 7, 2014 By chance did you have the 12V power plugged in at the same time as the PoE? Share this post Link to post Share on other sites
ssmith10pn 0 Posted April 7, 2014 What do you mean by POE splitter? Share this post Link to post Share on other sites
ak357 0 Posted April 7, 2014 By chance did you have the 12V power plugged in at the same time as the PoE? And what will happen if u use 12 V and PoE at the same time ? Share this post Link to post Share on other sites
SensUp 0 Posted April 7, 2014 By chance did you have the 12V power plugged in at the same time as the PoE? And what will happen if u use 12 V and PoE at the same time ? Hint: There is no POE on this camera, that's why he's using a splitter... Share this post Link to post Share on other sites
buellwinkle 0 Posted April 7, 2014 By chance did you have the 12V power plugged in at the same time as the PoE? And what will happen if u use 12 V and PoE at the same time ? Nothing if the camera is not PoE and the OP is confused, after all, we don't even know what camera it is. Share this post Link to post Share on other sites
ak357 0 Posted April 7, 2014 Nothing if the camera is not PoE and the OP is confused, after all, we don't even know what camera it is. And if camera is PoE and u connect 12 V at the same time what will happen ? Share this post Link to post Share on other sites
buellwinkle 0 Posted April 7, 2014 I have one here, after a while it melted the wires and shorted on one brand of cameras, can't speak for all. Share this post Link to post Share on other sites
SensUp 0 Posted April 7, 2014 I have one here, after a while it melted the wires and shorted on one brand of cameras, can't speak for all. I have a Stardot 5MP, It's got 48V POE in, barrel 12VDC in, and biscuit block style 24AC in, all going strong at the same time, so there! Edit: Correction, I had a Stardot 5MP... Share this post Link to post Share on other sites
buellwinkle 0 Posted April 7, 2014 Edit:Correction, I had a Stardot 5MP... Is it because it melted, LOL? Why would you do that? Share this post Link to post Share on other sites
Horizon 0 Posted April 8, 2014 Err, a bit of a dumb question, but why would the camera be damaged when the POE and the external 12 volt supply are used together? Don't the camera designers know how to diode-OR the power supplies? Kind of curious, as I've seen this warning on several cameras, some of which I wouldn't consider to be budget models. Share this post Link to post Share on other sites
dexterash 0 Posted April 8, 2014 Err, a bit of a dumb question, but why would the camera be damaged when the POE and the external 12 volt supply are used together?Don't the camera designers know how to diode-OR the power supplies? Kind of curious, as I've seen this warning on several cameras, some of which I wouldn't consider to be budget models. Ground loops and/or potential differences between grounds. Share this post Link to post Share on other sites
MaxIcon 0 Posted April 8, 2014 The POE spec allows for using alternate voltage sources for make-up power. Whether a given vendor has implemented this part of the spec correctly or tested it is another question entirely. I've run a Dahua 3300C on both POE and 12Vdc for a while with no problems. I've also got a Vivotek FD8134 that the POE has died on, currently running on 12Vdc while connected to a POE port. Share this post Link to post Share on other sites
dexterash 0 Posted April 8, 2014 I think in this case the PoE was externally/3rd party used. Share this post Link to post Share on other sites
