They are Leviton and they work fine for our applications, but I'm looking forward to not having to have the pigtails and being able to plug and unplug directly.
Cameron > Cool. Those look like Home Depot ethernet jacks you're using to attach to > the pigtails. How are they working out for you? > > Greg > > On Mar 16, 2010, at 5:31 PM, cc...@dot11net.com wrote: > >> Greg, >> >> We build one of these for internal use (posted about it last week), but >> ours is a passive device that needs an external switch. We use it in >> combination with a 493 or 493ah on tower tops. It takes any input >> voltage >> from 18-96 volts and outputs the same input voltage on 9 ports with two >> of >> the ports switchable between the input voltage and 12 V. Why only two >> ports? Well, to make it cheap enough, the voltage convertor we use only >> outputs about 1 amp so running more than 2 devices would probably not >> work. The voltage convertors we use are about $40 each so putting one on >> each jack would make the device pretty expensive. I'm sure we could >> design >> a power supply that would do everything we want, but since we aren't in >> the electronics mfg. business, it would be more costly that it is worth >> to >> us. >> >> With our next run, we will be making the board look a little different >> with two rows of ethernet jacks on the front of the board facing out >> instead of up/down. We find that getting the cables out of the jacks in >> the current config can be a PITA (hence the pigtails in the pics). The >> devices are about $150 in parts as they stand to make in small >> quanitites. >> I posted last week about it because I wanted to see if I could use some >> simple ICs to detect ethernet signal to trip a power relay to make a >> remote power cycle by disabling the ethernet port. Further research >> shows >> this is not possible without a PHY chip. I'll try to post a pic of one >> of >> our tower top boxes, but if it doesn't make it and you want to see it, >> hit >> me offlist. If you think it would be a big seller and you want to make >> an >> investment, I'm sure we could come to an agreement ;). >> >> Cameron >> >>> Does anyone know of or use a POE powered POE splitter/switch combo >>> which >>> could be tower mounted which would allow a single ethernet cable >>> carrying >>> POE (perferrably 48v) up the tower, and then would pass POE >>> (adjustable >>> voltages) to multiple devices and also act as a switch (preferably >>> managed)? I'm thinking of something that would let a person run a >>> single >>> Ethernet up the tower and then connect multiple POE powered devices. It >>> seems like this is something that would be a big hit. Yes, I Googled it >>> first. >>> >>> Greg >>> >>> >>> -------------------------------------------------------------------------------- >>> WISPA Wants You! Join today! >>> http://signup.wispa.org/ >>> -------------------------------------------------------------------------------- >>> >>> WISPA Wireless List: wireless@wispa.org >>> >>> Subscribe/Unsubscribe: >>> http://lists.wispa.org/mailman/listinfo/wireless >>> >>> Archives: http://lists.wispa.org/pipermail/wireless/ >>> >> <POE_and_RB493.jpg><IMAGE_208.jpg> >> >> -------------------------------------------------------------------------------- >> WISPA Wants You! Join today! >> http://signup.wispa.org/ >> -------------------------------------------------------------------------------- >> >> WISPA Wireless List: wireless@wispa.org >> >> Subscribe/Unsubscribe: >> http://lists.wispa.org/mailman/listinfo/wireless >> >> Archives: http://lists.wispa.org/pipermail/wireless/ > > > > -------------------------------------------------------------------------------- > WISPA Wants You! Join today! > http://signup.wispa.org/ > -------------------------------------------------------------------------------- > > WISPA Wireless List: wireless@wispa.org > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ > -------------------------------------------------------------------------------- WISPA Wants You! Join today! http://signup.wispa.org/ -------------------------------------------------------------------------------- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
