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ssnapier

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Posts posted by ssnapier


  1. How much video will each bus have to transfer per day? I am assuming the video only records while the bus is on, right? I would think FTP might be the easiest way to get everything moved, but I would have to do some experimentation to see how it handles the video for each new day. That sounds like a fun project, but you are going to need a sizable NAS unit! Not to mention that wireless transfer from 30 different nodes is going to take a TON of bandwidth. Have you laid out your wireless network yet?

     

    If I had to do this on the cheap, I would be looking at the QNAP TVS-EC2480U-SAS-RP-16G with an expansion unit (REXP-1620U-RP). On the conservative side, this is going to cost $25,000 with spare hard drives and appropriate software. My biggest concern with a project like that would be getting solid wireless signals in the worst possible conditions (rain, fog, obstructions, etc.) so that the transfer never fails.


  2. If you are referring to the RS-485 port the answer is yes. Each camera gets addressed at the camera and you just put the wires for both in your RS-485 port. Make sure you match your settings int he DVR and on the camera. If your data speeds are not the same it will either act crazy or not work at all.


  3. I would start by looking at your local electronic stores. Look for cameras that are at least 720p. I would personally avoid any analog systems because the image quality on those are just not as good. You will be looking at an 8 camera system (they typically come in 4,8,16, etc) and I am not sure what the prices are in your country, but those systems typically range from 300-800 USD. Of course there are other options well above that, but in the consumer market that is a fair range.

     

    There are lots of other details to consider, but just start looking for what is available locally and get a feel for it. The other option would be to get a quote from a local security company.


  4. I am not sure about Canada, but I know that down here the employer must disclose the use of these types of systems for timekeeping. I am fairly certain that it also changes the amount of time that the data from those systems must be retained since it now becomes something that can be audited as part of any contract review, revenue or income reporting, or even Government taxation type audits.

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