Why not both? On May 18, 2015 7:35:37 PM AKDT, "Forrest Christian (List Account)" <li...@packetflux.com> wrote: >There are solutions, it just comes down to bits per dollar. > >A SD card + socket probably costs around $5-6 to implement, including >card. For that you get around 4GB (4096MB) or so. Plus if you're >picky >about the brand you can get a card with built-in wear leveling, etc, so >you >don't have to worry about that stuff. But you have the temperature >issue. > >For the same price, you only get 32MB (0.032GB) of soldered in memory. >Would 32MB be enough? Probably, but there are a *lot* of things you >can do >if you have seemingly unlimited storage. > >On Mon, May 18, 2015 at 8:33 PM, Vince West <vi...@shelbybb.com> wrote: > >> Is there no solution for embedded memory instead of a card slot? I am >> assuming it is cost prohibitive or it does not work for your project. >> >> That being said there have been days in the winter where we see -5° >for >> days in a row. It doesn't happen often. Even with heat generated from >> equipment, I am not sure how well it would work or how long it would >last >> being so close to the limit for extended periods of time. >> On May 18, 2015 10:23 PM, "Jeremy" <jeremysmi...@gmail.com> wrote: >> >>> The coldest that I saw INSIDE our enclosures this year (accordint to >>> SiteMonitor internal temperature) was 0-C (32-F). Last year was >much >>> colder but back then I was using the APC for temperature and backup, >and >>> that graph data has all been deleted. I can't say for sure if the >>> temperature in the box was lower, but I doubt it would go too far >below 32 >>> with all the equipment and batteries in the boxes. >>> >>> On Mon, May 18, 2015 at 8:14 PM, Adam Moffett <dmmoff...@gmail.com> >>> wrote: >>> >>>> Wouldn't the simple answer be to offer the device and SD card as >>>> separate items? Then on your site you say, "If you want to have >storage >>>> with the same industrial temperature range as the rest of my >product line >>>> then buy this card, or supply your own at your own risk." >>>> >>>> Everybody selling fiber to the radio with an SFP slot does it that >way. >>>> I always buy their SFP module. >>>> >>>> >>>> On 5/18/2015 10:09 PM, Forrest Christian (List Account) wrote: >>>> >>>> What is the lowest temperature that each of you would normally >expect >>>> to see in your enclosures? >>>> >>>> The reason I'm asking is that I'm in the process of developing up a >few >>>> new products. >>>> >>>> To date, all of the packetflux products are designed with >components >>>> rated -40 to +85C (I.E way cold to way hot). I'd like to retain >this >>>> rating, but I'm running into a minor snag: >>>> >>>> For storage, I'm planning on integrating a SD card (probably >microSD) >>>> in a socket. I only need a GB or so, and SD card memory is >inexpensive at >>>> that range. >>>> >>>> Unfortunately, all the reasonably priced SD cards are only rated >down >>>> to about -25C or -13F. which are about ~$3 in qty. "Industrial >>>> temperature range" ones which are good down to -40C/F are available >but >>>> they add at least $30 to the cost for non-name brand, and even more >for >>>> known brands. When you're talking about a $100 end-user price, a >$30 1GB >>>> SD card seems excessive - and probably isn't even possible if I >want to >>>> meet the $100 price with some margin. >>>> >>>> So, I'm currently playing the 'what options do I have' game. I >hate >>>> to ship a product only rated down to -25C/-13F, but I know for at >least a >>>> large chunk of my customer base they never see below this >temperature, >>>> especially when you add a watt of power dissipation in the case >with the >>>> device. Which leads me back to my original question: What's the >lowest >>>> temperature most people would expect to see inside their >enclosures. >>>> >>>> -- >>>> *Forrest Christian* *CEO**, PacketFlux Technologies, Inc.* >>>> Tel: 406-449-3345 | Address: 3577 Countryside Road, Helena, MT >59602 >>>> forre...@imach.com | http://www.packetflux.com >>>> <http://www.linkedin.com/in/fwchristian> >>>> <http://facebook.com/packetflux> <http://twitter.com/@packetflux> >>>> >>>> >>>> >>> > > >-- >*Forrest Christian* *CEO**, PacketFlux Technologies, Inc.* >Tel: 406-449-3345 | Address: 3577 Countryside Road, Helena, MT 59602 >forre...@imach.com | http://www.packetflux.com ><http://www.linkedin.com/in/fwchristian> ><http://facebook.com/packetflux> ><http://twitter.com/@packetflux>
-- Sent from my Android device with K-9 Mail. Please excuse my brevity.
