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Re: store system w 4-8 cameras ?



Yeah, just keep in mind this thread started about wanting a setup for a small
mom-and-pop store.  They don't need or want a $50,000 industrial-stength video
system.

J. <jsloud2001 wrote:
>
> Well said.  As a matter of fact, I just got a phone call from a
> 600,000 sq ft plant/ warehouse where we did the fire alarm about a
> year ago.  The owner's buddy set them up with two home built DVR's and
> a bunch of bullet cameras.  We've now been asked to evaluate and
> replace their equipment.  They've got 32 channels of low end video
> from $80 bullet cameras running over RG-59 to two problem prone,
> unreliable home made PC's with capture cards.  Some of those RG runs
> have to be 1500 feet or so.  I amazed there's any video at all.  We'll
> replace it with proper commercial/ industrial grade AD, Bosch, and/or
> GE equipment and the customer will get what he needs.
>
> On Sat, 30 Sep 2006 07:45:44 GMT, "Roland Moore" <roland@xxxxxxxxxxxx>
> wrote:
>
>
>>It is easy to see the PC in many DVR units. That said some DVR units are
>>more PC than others. One beef (of too many to mention) I have with
>>VideoInsight  is that they won't create a COTS spec for their grabber card
>>and create a Windows XP Embedded OS to go with it (they won't even suggest a
>>policy editor template for OS modification or even msconfig). The developers
>>of the product were honest enough to tell me that they lack the sales volume
>>to be able to even begin justify such a move. And a 100% fully automated
>>recovery CD? Not on your life. Auto throttle bandwith with QoS? That's
>>always coming in the next release.
>>Many people get confused about the term embedded OS and say one thing when
>>they actually mean another. Nearly all build it yourself units run on some
>>form of Windows OS. No matter what kind of Policy Editor you use it will
>>still be that version of Windows at the shell. Many DVR units use Windows XP
>>Embedded (more information here
>>http://msdn.microsoft.com/embedded/windowsxpembedded/default.aspx ) others
>>use an embedded OS. According to the Microsoft Embedded site Microsoft
>>Windows XP Embedded provides the ability to build a customized operating
>>system image which contains the components and technologies that are
>>appropriate for your specific device. One thing you should never do is apply
>>XP Pro patches to XP Embedded. If you can't tell one from the other the
>>splash screen after the POST shows XP Embedded and there is always the tiny
>>XP Embedded sticker (versus the much larger XP Pro sticker) on the case to
>>point out the difference. Some Integral Technologies units and Bosch DiBos
>>units use Windows XP Embedded, some units like Dedicated Micros use an
>>embedded OS (at least that is their description). Some units like Dallmeier
>>and March Networks use a Linux OS, although not the same distribution. Some
>>units like the Intellex use a highly modified Windows OS that is almost XP
>>Embedded (on version 4.x), but it is really just an odd duck. I'll say it
>>again, if you're a computer guy discovering CCTV then getting a grabber card
>>and building you're own unit seems cool. If you're a security guy, or more
>>specifically a systems integrator, you won't have time to build your own.
>>The puny margins in building your own DVR would never be worth it. If you
>>are thinking about supporting an up the Coax PTZ (Bosch PTZ units, Panasonic
>>PTZ units or Pelco PTZ units to name a few) with Bilinx (Bosch) or using
>>BiPhase (Bosch) to support a different protocol, no build it yourself unit
>>would ever be an option. And we haven't even mentioned access control
>>integration, POS integration or an Aegis interface (developed by KapLogic
>>Corporation). If you are using professional camera gear like Bosch Auto
>>Domes or AD Ultra  few cusomers are going to consider it a plus to cheap out
>>and have you drag in some weird ass home built PC no matter how you try to
>>promote it as a DVR. If you do a dozen or so simple mostly fixed camera DVR
>>deployments a year that never interface with anything else maybe you have
>>found your calling with build it yourself. When you walk into a major sports
>>arena or giant medical center and think about a DVR solution to deploy the
>>build it yourself option never crosses your mind, ever! Well, if you're
>>going to check yourself in at the Psych ward in medical center maybe. In my
>>opinion if you ever aspire to serve those sorts of large customers in the
>>future in that type of upper end market segment you should not afflict your
>>current customers with the crippled limitations of build it yourself, leave
>>that for the box sale guys or the lame IT guy with too much time and no
>>budget.
>>
>>"Matt Ion" <soundy@xxxxxxxxxxxxxxx> wrote in message
>>news:9yaTg.70351$R63.30733@xxxxxxxxxxxx
>>
>>>J. <jsloud2001 wrote:
>>>
>>>>On Thu, 28 Sep 2006 16:29:00 GMT, Matt Ion <soundy@xxxxxxxxxxxxxxx>
>>>>wrote:
>>>>
>>>>
>>>>
>>>>
>>>>>You have some sort of philosophical issues with PC-based DVRs?
>>>>
>>>>
>>>>
>>>>In a word, yes.  I deal with a lot of medium to larger size facilities
>>>>that almost
>>>>always have their DVR's connected to a network.  If you do not connect
>>>>to a network, then you lose a lot of the functionality of having a
>>>>digital solution.  When you use a Windows PC as a DVR, you bring along
>>>>all of the baggage associated with  Windows.  Each time a new exploit
>>>>is found, Windows must be updated to control it.  If you connect to a
>>>>network without keeping up to date on security patches and service
>>>>packs, the machine will become vunerable.  Add to this fact that a PC
>>>>based machine can and will be used by associates for other purposes
>>>>and reliability suffers even more.
>>>
>>>Umm, that's not a failing of PC-based DVRs... that's a failing of
>>>WINDOWS-based DVRs on an unsecured or improperly secured network.  Or more
>>>specifically, a failing of an IT department.  If a "medium to larger size"
>>>company doesn't have a firewall between their network and the internet,
>>>and the proper security in place. ALL their computers are volnerable, not
>>>just their DVR.  If they DO have a firewall, the systems are pretty much
>>>invulnerable to direct outside access... and as long as all the other
>>>systems are kept up-to-date with security measures (patches etc.) and
>>>aren't infected, there's no real way for the DVR to be affected unless
>>>someone's surfing the web on it... in which case you have other issues.
>>>
>>>
>>>>There are two types of PC based machines.  Factory built DVR's that
>>>>come as a unit complete with a warranty vs. a user built off the shelf
>>>>PC with a capture card and user installed software.  I have no problem
>>>>with the former.  We've used DVR's and NVR's from AD, Bosch, Pelco,
>>>>Verint, etc that are PC based and relatively free of issues, although
>>>>embedded recorders such as GE/ Kalatel units do seem to be more
>>>>reliable.  My problem is with user built DVR's where some guy takes an
>>>>off-the-shelf Dell and puts a capture card and some software on it and
>>>>calls it a DVR.  Windows, although improved in recent years, is still
>>>>not the most stable platform for running critical applications.
>>>
>>>Out of all the Vigil and VideoInsight DVRs I've installed and/or serviced,
>>>I've only seen TWO actually fail because of Windows issues, and both,
>>>though designed and built ONLY as DVRs, were used by their owners or
>>>employees onsite for surfing the web (one guy even installed a couple
>>>games, since the DVR machine was more powerful than his office PC). Again,
>>>that's not a failing of PC-based designs, that's a failing of STUPID
>>>PEOPLE.  And as we know, hydrogen and stupidity are the two most common
>>>elements in the universe.
>>>
>>>I've had ONE PC-based DVR fail because the CPU fan died and the whole
>>>thing overheated... any others that have died have been because of failing
>>>hard drives, which can happen to embedded machines just as well as PCs.
>>>
>>>Oh, and one where the video card died because the new owners on the site
>>>decided to test the backup generator by just throwing the switch on the
>>>main building power, and generated a nice power spike.  They killed the
>>>system drive in the replacement machine by doing the same thing again two
>>>months later, despite LOUD warnings (unheeded) to put the thing on a UPS.
>>>But again, that's just human stupidity; I've seen just as many standalone
>>>DVRs, as well as MUXs, VCRs and cameras, killed by power spikes.
>>>
>>>PC-based DVRs are no more or less INHERENTLY reliable than any other type
>>>of video-recording system... they may be easier for (l)users to fuck up,
>>>but that's a side-effect of ease-of-use.
>>>
>>>
>>>>A small list of problems I've seen with PC based units never
>>>>encountered with embedded DVRs:
>>>>
>>>>Version conflicts
>>>
>>>With what?  I've seen the Vigil client complain if it's connecting to a
>>>different revision of server, but it still works.
>>>
>>>
>>>>Security patches
>>>>Network worms
>>>
>>>Shouldn't be necessary on a properly secured network.  Vigil machines
>>>still run on Win2K; my VI machines run on a pretty bare-bones XP with all
>>>unnecessary services disabled.  And not so much an issue with
>>>non-Windows-based (Linux, BSD, and others) DVRs.
>>>
>>>
>>>>Guards using box to surf the internet (viruses, spyware, malware, etc)
>>>
>>>There's no accounting for the human factor.  How about this one:
>>>late-night employee decided to review footage for the hot blonde who was
>>>just at the counter, the forgets to restart recording, because the cheap
>>>standalone unit is a simplex design.
>>>
>>>
>>>>Windows update incompatibility
>>>
>>>So don't use automatic updates.  Not necessary on a properly secured
>>>network. And again, not an issue on non-Windows-based DVRs.
>>>
>>>
>>>>Blue screen of death
>>>
>>>Never had one of those on a DVR.
>>>
>>>
>>>>Power interupt/ shutdown issues
>>>
>>>That can affect ANY recording device, PC, standalone, or VCR.
>>>
>>>In fact, PCs are able to BETTER handle those instances if they're on a UPS
>>>with the proper support installed, because a UPS can trigger a clean
>>>shutdown of the PC if the battery runs low after power has been off a
>>>while.
>>>
>>>
>>>>Software conflicts caused by other programs running on PC
>>>
>>>There shouldn't be any other programs running... again, a human failing,
>>>not a design issue, and not really a problem anyway with non-Windows
>>>machines.  Even with, it's not that difficult to lock down the machine to
>>>prevent installation and use of other software.  Capture's machines run
>>>their own shell over the Windows desktop and lock out most key
>>>combinations, such as ctrl-esc, strl-alt-del, etc.  With
>>>password-protected shutdown, it's virtually impossible for an unauthorized
>>>user to access the desktop or run any other software.
>>>
>>
>


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