LenovoEMC PX2-300D Network Video Recorder with Milestone Arcus VMS
by Ganesh T S on July 26, 2013 7:00 AM EST- Posted in
- NAS
- IP cameras
- LenovoEMC
- NVR
Mobile Apps: Surveillance On-the-Go
Arcus and Surveillance Station have mobile apps for Android and iOS. We took the Android versions out for a spin. The PX2-300D NVR can be accessed from any Android device using the Milestone Mobile app. Synology's Surveillance Station's Android app is the DSCam.
Compared to the PC-based browser interface, things are reversed in the mobile arena. The DSCam provides an amateurish experience with none of the elegance and features of the PC-based browser experience. Milestone Mobile, on the other hand, is very professional. It is possible to have a matrix view, and the menu options are clearly labeled (unlike the desktop browser interface).
Unlike DSCam, Milestone Mobile allows users to export footage and also view archives. In fact, the slider mechanism used to choose the date and time is in fact more suited for touchscreens rather than mouse-based desktop interfaces (though it is used in both). DSCam has a lot of catching up to do. One nice to have feature in both apps would be the ability to do NVR management (for example, say, make it possible to add back a dropped camera or a newly installed camera with a fresh IP) without resorting to the desktop browser interface. On the whole, Milestone Mobile emerges as the clear winner here compared to DSCam.
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Duckhunt2 - Sunday, February 16, 2014 - link
No you are all wrong. You bolt a heat sink with fins onto the gun safe and get some thermal grease. You do not have to drill right through the skin. Just a 1\4inch and tap it and put in bolts to hold the heat sink. Make sure it is making as much contact as possible.Then internally you have to cut/machine some steel to make a good contact for the heat sink on the motheboard to make contact with the skin of the gunsafe. It is alot of mucking around. It has been done here in the USA many years ago. USA USA. American know-how exported around the world.
cmart - Monday, July 29, 2013 - link
I'm no physicist, but in practice if you cool the outside of a safe (or any hollow container) you essentially cool the inside. If the safe -- think of it as a large heat sink -- is in a cool room, the interior should stay reasonably cool with only one device running in it.Dentons - Monday, July 29, 2013 - link
Most modern computer systems are designed to be cooled by convection. This is why placing a computer in a sealed cabinet can cause it to overheat, even when the outer cabinet is in an otherwise cool environment.What would happen if you put a small computer in a large insulated cooler? Even if the computer only gave off a small amount of heat, it would continually produce ever more heat. Eventually, the inside temperature of the cooler would reach a very high temperature, even if the cooler were located inside a cool room.
It's no different with a safe. A large metal safe with fire insulation is little different from an insulated cooler. A few bolt holes in the bottom would be very unlikely to provide adequate convection currents.
There are some systems designed for use without air cooling, but they are generally expensive industrial systems. There are a few ways this might be successfully accomplished. One is by the installation of fans and cooling ducts, but such might reduce the fire resistance. Another might be to attach heat pipes directly from the system's CPU to the wall of the safe. Either could be finicky and perhaps unreliable.
Placing any consumer level system within an unventilated safe is probably a bad idea.
Duckhunt2 - Sunday, February 16, 2014 - link
Again, you can put a temperature control on the outside and it could turn off the power to the computer and sound an alarm. There are so many possibilities. There are computers in strong boxes and all these things written about have been overcome. Some of the longest living computers are built inside strong boxes .mamun - Saturday, August 3, 2013 - link
Need to details to my mail. mamunv6@gmail.comDocNo - Tuesday, August 13, 2013 - link
And if you haven't heard of them, be sure to check out Ubiquity's AirVision cameras. The system isn't perfect, has some gaps (no IR/nightvision, outdoor camera is wimpy, limited number of cameras) but if your needs are covered by their existing cameras the NVR software they provide is pretty nice considering it's free with the cameras. And if you have the need for a handful of AP's, their UniFi managed wifi system is also really hard to beat for the price. Again, not perfect but amazing for the price.tweakert12 - Tuesday, May 10, 2016 - link
Maybe an old article, so I doubt anyone will read this, but I've had great succes with Mirasys. A lot cheaper and works pretty much the same way. I bought it at https://www.rrb-security.nl . It's sort of an underdog VMStiffanywalls - Monday, November 2, 2020 - link
Intel Atom D525 (2C/4T, 1.80 GHz) - great processor. Two multiple cameras is good for me on my workplace at https://customwriteonline.com/, where i have a lot of conferences.