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Darby darbysgoodies at gmail.comOn Sun, Oct 28, 2012 at 12:26 PM, Alexander Chemeris <alexander.chemeris at gmail.com> wrote: > Hi Darby, > > On Sun, Oct 28, 2012 at 10:08 PM, Darby <darbysgoodies at gmail.com> wrote: >>> 1. Power supply, 12V-18V DC, >=20W. >>> I think it's easier to find a PSU with a standard round DC connector, >>> like this one and thus we need a converter cable to our Molex power >>> connector. >>> http://domino2.kycon.com/catalog_PDF/KLDX_SMT2.pdf >> >> Not knowing center pin polarity or exact center pin size, it seems as >> though digikey (http://www.digikey.com/product-search/en/power-supplies-external-internal-off-board/ac-dc-desktop-wall-transformers) >> has 348 that are 12-18v output, 10-20w, and have connectors that are >> 2.1mm ID to 2.5mm ID > > I haven't realized that DigiKey, Avnet and others have PSU section, thanks! > Anytime =) >> On a side note, for power -Something that could come in useful since >> its got ethernet, PoE? > > PoE is an option, but UmTRX require too much power for the standard > PoE and we think that for lab usage PoE is an overkill. > Whats the total power budget? 802.3AF should be kosher with 13w at the device, 802.3AT (PoE+) should be good up to a little over 20w Im with you on the lab piece, Im just thinking of a seemingly ubiquitous power source in a industrial environment -I bring this up since so many industrial Wifi AP's (Gateworks, JJPlus, etc.) are PoE powered >>> 2. Enclosure. We'd love to have a nice table-top enclosure for UmTRX, >>> but it requires a significant effort to source, design and assemble. >> >> If anyone has some preexisting case designs, there's always protocase >> (protocase.com) or Rapid sheet metal >> (http://www.rapidsheetmetal.com/parts/enclosures.aspx) -Im sure theres >> plenty of other sheetmetal fabshops that will do custom work though, >> If youre wanting to use something a bit more generic -Theres >> enclosurehub.com > > Interesting. Do you know similar ones in Europe? We manufacture in > France and shipping enclosures from US doesn't look like a good idea. > Not that Im aware of, I know of protocase since they did the backblaze storage pods & you can order anything from them in individual piece quantities -But thats not to say that there arent plenty of others that offer the same services, I would imagine there would be a fair amount of places in europe that will do sheet metal enclosures -If you want something extruded though, they might have a MoQ to make the cost of the die fabrication feasible...? > -- > Regards, > Alexander Chemeris. > CEO, Fairwaves LLC / ООО УмРадио > http://fairwaves.ru