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The Digital Watchdog Blade DW-BJBLADE is a much better NVR than that last NVR product I reviewed.
It is more robust in it's ability and power.
As always, with more more power comes more cost digital watchdog blackjack blade nvr potential complexity.
The Digital Watchdog DWD NVR is a Linux Ubuntu system running on an Atom x64 processor.
They don't even try to hide or limit the Ubuntu system.
The system boots directly to the Ubuntu desktop.
Since it is a full GUI desktop, they even include TEAMVIEWER for each system to allow for remote access.
What was surprising for me was how well UBUNTU performed on such a low-powered ATOM x64 processor.
The issue I had was that the incorrect QUICK-START-GUIDE was included.
I found the correct version listed below with a simple google search.
Requirement Packages The DWD NVR solution is comprised of 3 software packages: 1.
Enterprise Controller managing database 2.
Media Sever recording video 3.
Client viewing digital watchdog blackjack blade nvr video The software packages have to be installed that way as well due to dependencies.
For me, the CLIENT was not installed on the system.
Download Most likely, you will need the x64 packages.
All the packages should be here: AFAICT, there is not seperate packages for different NVR's.
The same SPECTRUM software is used across all products.
The only difference have 6 deck blackjack card counting opinion the version number v1, v2, v3, etc and the install base Windows, Linux, Mac, etc as well as the architecture x86 or x64.
They listed the Beta versions of 2.
The CONTROLLER was mis-matched at verion 2.
The last thing I digital watchdog blackjack blade nvr is to install Beta versions at a client install or have an untested version mis-match.
And repairing a v2.
Stands for Debian Package -the gui package manager is Ubuntu Software Manager.
Forgot Password If for some reason, you forgot the continue reading, you can re-install the CONTROLLER software by using the steps above.
Reinstalling the CONTROLLER package will go through a setup and allow you to reset the password.
If you have an existing system and need to keep the database, please choose to KEEP THE DATABASE.
Obviously, if you choose to delete the existing database, https://chakefashion.com/blackjack/free-live-multiplayer-blackjack-game.html will not be able to get it back without a backup.
Notes QUICK-START-GUIDE: MANUAL: REPO:.

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Why Are My Cameras Randomly Falling Offline?
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Hello I am having an ongoing technical issue with an installation that I did a few months back.
The system consists of a Digital Watchdog NVR Blackjack Blade - Spectrum with eight Digital Watchdog DWC-MV421D 2.
I am using two Trendnet eight port gigabit POE switches.
I'm using outdoor CAT5E cable to all of the cameras with the exception of two which have standard CAT5E.
The system is installed in a small commercial environment and is connected to their network for internet access and local viewing.
All of the cameras have been assigned static IP addresses that I was given by the IT people that manage their network.
Periodically every three to seven days one of the cameras falls off line.
It is not always the same camera and it is not always a camera on the same switch.
The camera that falls off line can be pinged but the you can not access the camera's web browser.
The only way that I can put the camera back on line is to power cycle it by shutting down the POE switch or unplugging the camera's ethernet cable.
I have spoken with Digital Watchdog technical support people on several occasions and most recently they suggested to me that it may be a power issue so I replaced the switches.
I also connected one of the cameras to an Axis midspan POE injector but even that camera at one point went down as well.
The camera cable lengths vary between 50 to 250 feet but cameras on short cable runs will go down as well.
The most recent episode happened yesterday after a week of having no issues and in the past 24 hours it has happened twice.
Any help would be greatly appreciated!
Pinging can work while web browsing is not, as these are two different processes in side the camera.
I'd suspect a firmware or an integration issue with the DVR if everything else is alright.
Make sure there are no IP address conflicts, dbl check subnet mask is correct and gateway is correct if any.
Is any other devices on the network other than cameras?
Thanks for the reply.
These cameras initially were running on DHCP and I was having IP conflicts with other devices on the network.
At this point I had system administrator assign me static IP addresses outside of their DHCP range.
This solved the conflict problems but the issue that I described above has continued.
The camera's firmware is up to date.
How do you know it went off line?
Or some form of alert?
When the camera falls off line you can not reach the web interface.
There is also no recording on the NVR when this happens.
The NVR-VMS shows "NO SIGNAL" from the camera.
On average this happens every three to four days.
Sometimes there will be no issues for up to a week.
It is not always the same camera that falls off line.
Although it seems to happen more often during business hours, the last camera fell off line at 2am.
If you can't reach the web interface of the camera, that seems to indicate it's more of a camera issue than an NVR or NVR connection one.
How much PoE power can those Trendnet switches provide each?
They are 8 port so is that's 60 watts total or 120?
How many cameras do you have per switch?
There is also no recording on the NVR when this happens.
The NVR-VMS shows "NO SIGNAL" from the camera.
On average this happens every three to four days.
Sometimes there will be no issues for up to a week.
Both instances were using IQEye cameras, and in both, IQFinder could see the cameras, and I could load the web page, but received no video, and the web interface was extremely slow.
I've also seen similar behaviour using low-end switches once they start seeing a lot of traffic.
If possible, try using a higher-quality switch.
It was a thought of mine and DWD technical support.
There are two eight port gigabit POE switches with only four cameras on each.
The camera's power consumption is about half of the manufacturer's per port rating.
There are not even any IRs on these cameras.
I even put an Axis midspan T8120 POE power supply on one of the cameras in place of the switch POE power.
At some point that camera ended up going off line.
When a camera falls off line it can still be pinged but you can not access the web browser.
The only way that I can get it going again is to power cycle it.
Hello, when the camera's go offline is it a power loss issue or a signal loss issue?
If you have lost the signal you may have an IP conflict with another device depending on how the network is set up, this would cause the camera to be on but not able to deliver a signal to the DVR thus causing loss of recording.
Most camera's have a light that will help indicate if the power is still being provided to the device.
If they do not you can check the switch, if there is a power and connection status light on the switch this may help you diagnose where and when the problem is occuring.
Undisclosed, Are both the Gigabit PoE switches and the Axis Midspan going through the same power outlet?
Thanks Matt I tend to lean towards your switch idea.
All of the cabling in this installation is new and although some runs are through conduit, some aren't.
Even cameras with short non-conduit runs have fallen off line.
I am using two Trendnet eight port gigabit switches in different locations.
Each switch is powering four cameras.
Can you or someone else recommend a reasonably priced alternative that you have found to be reliable.
Thanks Depends on your definition of "reasonable" but we've been using the Cisco 300-series switches with great success.
I have one of these running eight Axis P1214s without a hiccup.
Quick followup: the one Cisco switch that I said failed an older SFE-1000P.
I finally put it on my bench and fired it up and it seems to be MOSTLY working.
I couldn't get a link on the GbE uplink ports, but that may have been a sketchy cable.
On the whole though.
REALLY solid service record with the Cisco 300-series.
I ran into this issue last year with a set of Axis M1054 cameras.
Four of eight M1054 cameras would go offline, same symptoms as you describe.
Over a 2 to 3 week period, one would go offline, sometimes two.
Cycling the port click to see more restart the camera and get it back online.
Usually they would not respond to ping when offline, but sometimes they think, high low blackjack indices really even though the web interface was down.
Network monitoring showed a really high rate of link errors for the four cameras, like 1,000 per day when we should have seen zero or one per week.
Plus for some of the cameras packets were getting dropped but not consistently.
It turned out to be a combination of three problems.
That was replaced and the packet issue cleared up.
The link errors remained.
It may have been that the cable problems caused the connections to degrade to 10 Mbits from 1Gbits, as we experience that with some other workstation connections that had bad cable.
The client software would connect, but getting recorded video from the server was slow as molasses in January.
It turned out that these cameras had not been reset back to factory defaults for the VMS change, and the previous VMS software had created settings inside the camera that were visible in the System Report, but were seen in the camera's setup pages unless you knew where to look for them or caught them in the System Report.
The server names were no longer reachable, and this was the source of the link errors.
We upgraded to the latest version of firmware at the time, because per the release notes there were "improvements to camera robustness" -- which we interpreted to mean.
It's now been a year since we had the issues, and no problems.
If you have Axis cameras, do you see anything unusual in the System Report?
Depending upon what the cause of the problem is, you may get some insight if you set up a syslog server and enable syslog on the cameras.
At the same site we also had an outdoor Axis P1347 that would go offline every few weeks.
We found that the POE switch had unstable power, and replacing the switch solved the problem.
I don't or won't know if this helps or not but you can see you're not alone.
I had a similar issue with GeoVision VMS and a new camera.
I had been dropping signals on just one camera of 16 total no POE 24 VAC Power.
I was on the phone with Tech support for an hour updating the VMS.
Everything was grand stayed there two more hours pictured stayed on.
Whereas before VMS would say signal loss picture would cycle on and off right in front of you.
Sometimes with IE 9 I could log into camera and see the video and not on the VMS and then the issue came back hour after I left.
So another trip and call to GeoV and they said to hard reset the camera which I did then I reconfigure with my static IP worked great for about two hours just like before then here we go again it's off after I left premise already.
My network stands alone from clients and I had a guy certify it for my own piece of mine however I did verify cable as it could have failed or not been seated properly.
Hopefully so I would avoid conflicts such as this, as it made sense to me at the time.
Well I decided to delete all 16 cameras to "query" cameras and learn them back in VMS as there are two methods for assignment I chose this one.
I have not had the camera lose signal since for about two weeks.
I am on this forum to learn and reading your problem seems so time consuming I really understand how difficult it can get.
One job works great the others well it only takes one to ruin the day from time to time.
You may want to check if you are using inline couplers and if someone other than yourself crimped connections sometimes the clip does not seat or "snap-in" correctly and I have found that if your looking at the connection if done with tool you should see shinny copper ends after the crimp is performed.
I use a jewelers 4x google when I crimp mine.
I even seen the whole cable nicked where it was stripped if done poorly.
Many great suggestions I think it is software related hopefully.
I'm a great cable guy not to technical yet HA!
What a great place to learn it boggles my mind just how complicated IP issues can get.
I have found that I have far greater success at connecting remotely with Firefox.
IE is always asking for additional activeX plugins.
I think that disconnecting my system from their network for test purposes is a great idea.
It certainly would make sense trying it before investing in new switches.
Thanks for all of the great suggestions!
One thing that I didn't mention in my first post is that all of the eight cameras are fitted with micro SD cards for data back-up in case of network loss.
Is there a possibility that these may have anything to do with the issue?
I really don't think so but I thought that I'd mention it.
Maybe also trying connecting another brand camera.
See if another manufacturer of camera does the same thing.
Addressing our problem of mit 21 blackjack subset of our cameras going offline, we also did a substitution with a different model of camera, same brand, to see if it was just that particular model.
We found that the other model did not manifest the problem.
That was good info to the manufacturer.
Yes, using the wrong SD card can cause your cameras to behave in odd ways, including lockup.
Check your camera specs for the recommended SD Card Class.
Harold, in support of your comments, I know that "Extensive testing has shown that SanDisk SD cards work very well with Axis network video products.
SD cards from other manufacturers may also work, but before deploying them in real installations the cards need to be extensively tested.
I take it you have two unused Trendnet POE switches laying around ".
I replaced the switches.
Even when balanced, you'll cut each switch's traffic in half.
Beyond that, I'd mix up the setup.
I'd have one camera each on two switches, two on one switch, and four on one switch.
If both traffic and power loading make no difference, cameras should continue to fail without preference for which switch they're on.
If you find cameras failing on the 4-camera one but not the others, re-balance all to 2 cameras per switch and re-check failure rates.
Who knows, might clear up the problem.
However, if the greatest cost is the value of your time, then this is not your best troubleshooting approach because it depends upon observations over time, and will likely require multiple site visits.
Thanks Harold and Horace.
Although the SD cards are the proper class, I may try removing one or two of them to see if that may be the issue.
I see lots of good suggestions here.
I don't disagree with any of the contributed advice.
No, not Linksys with a Cisco logo.
Try putting the cameras in the LAN DHCP range, I've seen routers cause connectivity issues with cameras assigned static IP addresses if its outside the range its looking to assign everything else.
Thanks Rodney and Steve.
The cameras are using static IP addresses outside of the DHCP range.
I may try changing one of them to an address at the high end of the lease range.
I do agree that the Trendnet switches are lower end.
Just because you have a pool of static IP to be utilized for security devices, does not mean that other devices on the network can't have that same IP manually assigned to them as well.
On the topic of switches, just because there's enough power are on each port does not mean the switch is robust enough to handle multiple megapixel camera streaming video.
You have to consider the throughput capabilities of the switch.
Additionally, the uplink port has to be able to support the aggregate of the cameras across the gigabit ports.
Why did you use CAT5e?
I learned from Anixter that CAT5e is not optimal for 8 cameras, each 2.
I don't think you easaly can change the cabling.
Try this instead: use, if available, the bit rate settings in the camera, best is CBR, not VBR.
Set this to a level max.
Why did Anixter tell you this?
Cat5e supports +1000Mbpsand is fine for connecting cameras to switches.
See our tutorial for an explanation.
Setting CBR to 2000 kbps is bad advice knowing nothing about the scene.
That's equivalent to ~1.
Setting a camera's CBR at 2000 kbps and running Cat6 to it is the equivalent of turning a water spigot to trickle while running it through 24" pipe.
LOL, most cameras only come with 100 mbps connections and streams out less than 10 mbps.
Cat5e is rated at 1 gigabit and is way above the spec required to deliver the data.
Cat6 only provides better shielding in highly noise environments to prevent crosstalk, it does not give you any additional length nor speed for IP camera installations.
Anixter just want you to spend more money on cabling.
Try to get your info from instead of a sales person.
What is if the end user decides to use 3 or 5 MP instead of HD?
Expierenced IP CCTV installer uses over here in Europe Cat 6 as a standard.
Labour is too expensive to spend any time on searching for problems caused by poor quality or "cheaper" infra structure.
The more I read into this the more I think is an IP issue like some of the responders point out.
We had a situation at one site with about 200 cameras where cameras would go offline every few days, no rhyme or reason.
We could ping the offline camera or so we thought, more on that later but could not bring up the camera configuration page or the video.
After a lot or troubleshooting and hair loss, we figured out that the customer had connected the Video VLAN to a Cisco router on the building so they could view video remotely and it so happened that even though we were given an specific range of reserved IP addresses, there were existing IP addresses on the customer side of the router that matched the IP address on a lot of the cameras on the site, therefore causing a conflict resulting on the cameras to randomly go offline.
game blackjack rules way we initially noticed there was something wrong with the IP addresses was by looking at the ARP tables on the switches.
We started noticing that the ARP tables had the IP addresses of the offline cameras associated with MAC addresses that did not match the MAC on the cameras on those IP addresses.
We were not pinging the camera but some other device on the other side of the router.
The moment we disconnected the router from the Video VLAN and refreshed all the switches, all the offline cameras came online and all the cameras stayed online for several weeks.
Cheers Thanks for reporting that thought-provoking experience.
Maybe tracert should be a core component of every ping-er's toolkit.
If you have confirmed the network layer with ping, but cannot establish higher level functions, a tracert might be worthwhile.
It also improves equal level far end crosstalk ELFEXTreturn loss and insertion loss compared with Cat5e.
The result is less noise, fewer errors and higher data rates in the transmission of the signal.
I don't know if this has been raised already, but I avoid using command line ping tests to check connectivity.
The ping test will tell me if some sort of device is connected to that ip - but that is all it tells me.
Within it's network limitations, I find using an arp scan tool much more reliable because it gives me mac address detail.
That way I can be sure that the "ping" is from the specific device in question.
I'm learning that I'm pretty ignorant, and IPVM has been a real help in my education.
For the first time, I ran arp -a on my network and uncovered a number of devices mapped to IP ranges outside my network.
Time for some detective work.
Many "intermittent connection issues" can be found with PING using the continuous PING "-t" switch.
But doing a continuous PING can show intermittent problems that may not show up until every 10th or 15th PING for example.
I'm been able to discern many a bad network port, bad line connection, bad modem connection and bad Internet connection using PING, at least isolating the problem to the customer's Internet connection when it's a remote access problem and being able to negate the security equipment as the problem.
I think constant bit rate change could be a troubleshooting method, perhaps maybe not as low as 2mb but chaning it could isolate the throughput capcity of the switch, of course a switch upgrade would be best.
Also is your customer using any 3rd party camera apps like ipcamviewer or anything to make thier phones compatible to the camera?
I have seen that cause the stream capcity of the camera to max out and lock up the video but stay somewhat responsive to other connectivity measures.
Instead of a vlan if your switches don't have that option, try just assigning your own range on the same switch hopefully your nvr has dual nic keep one on the customer subnet and the 2nd on your newly created subnet this way your only tracing down one possible duplicate ip address Also always label the cables when installed that way you can be sure your disconnecting the right device when you loose a camera and it mysteriously still responds to a ping.
I think constant bit rate change could be a troubleshooting method, perhaps maybe not as low as 2mb but chaning it could isolate the throughput capcity of the switch, of course a switch upgrade would be best.
Also is your customer using any 3rd party camera apps like ipcamviewer or anything to make thier phones compatible to the camera?
I have seen that cause the stream capcity of the camera to max out and lock up the video but stay somewhat responsive to other connectivity measures.
Instead of a vlan if your switches don't have that option, try just assigning your own range on the same switch hopefully your nvr has dual nic keep one on the customer subnet and the 2nd on your newly created subnet this way your only tracing down one possible duplicate ip address Also always label the cables when installed that way you can be sure your disconnecting the right device when you loose a camera and it mysteriously still responds to a ping.
Thanks for your input.
I believe that the bit rate is at default which I believe may be 4Mb.
I am slowly and methodically implementing some of the suggestions.
It will be a slow process because the system will run for up to a week without issue.
Undisclosed Integrator, Spectrum is some great software, have you looked at the log files on the server?
Are they saying someting about streaming stopping, or is it just saying the camera is offline?
When I am troubleshooting these types of things, I usally go through and change one thing at a time, or at least take something out of the equation.
In this case, I would say take DW Spectrum out of the equation and stream the video using VLC, or another VMS to record the video for a time period.
Download the free digital watchdog blackjack blade nvr of Exacq or Milestone and have it record those cameras for a week.
So if the camera continues to go offline, you have now eliminated the software as the culprit.
Then move on and replace other single parts, like the camera, https://chakefashion.com/blackjack/dealing-blackjack-dealer.html network switch.
I guess it really depends on how much time you have to fix this issue.
I have replaced on of more info switches and it has greatly improved the situatuation.
I have had one incident in several weeks whereas before it was every few days.
Thanks again Hi I may have posted in this thread already.
I had a simialr issue with one installation.
Hik cameras and VMS on COTS PC.
Probems of comment gagner au blackjack getting offline randomly.
We changed the system to a Hik NVR.
We changed the switch to a Cisco 48-port SC-300 MP or PP.
We tested the network cabling, they passed some of those failed we redid the connectors and it was that.
We installed a UPS with a longer autonomy up to 2 hours since the site experienced brownouts and black-outs quite often.
I think by now you know.
We despaired, ran a network test during the day.
Finally on a whim we decided to check the cabling visually.
It must have been the worst cabling job I have ever seen.
With cables manually spliced, cables turning at odd angles and water in the conduits.
Cabling was performed by a different contractor and when we tested it summarily it works but not after rainfalls subtropical climatelot of rain.
The network center is in an adjacent building where the all cables land.
They pass through conduits another botched job Article source />Turning radius are not respected.
We ran fiber to the main building and installaour own cables inside the building.
Problem solved Lesson learned : PLEASE PAY ATTENTION TO YOUR CABLING!!
If it was performed by another contractor, test and retest it.
Make sure it is certified or certifiable.
I have come to be wary of many off-brand cable certification tools.
Buy the bst tested you can afford.
How's that for shouting!
We are now 2 months running with not a drop.
The reason of this post is to ponder why didn't the cable analyzers report any issues?
The cameras on the other hand misbehave badly on the same cables.
This is to me beyond a rhetorical question.
Despairingly I have seen all too often people just do not take doing a good job seriously when it comes to cabling.
It's seen as such a low tech, simple task, it's like you said, if it passes a meter test, then it will always be good.
But using crappy dies on your crimps, the cheapest connectors and wire off the shelf, not visually verifying the teeth in the connector making a good pierce into the wire, not even making sure all the wires are lined up evenly in the connector after crimping all make a difference.
And the ignorance is not just in the field, either.
A month ago I had a rep at one of the major distribution companies, I won't say who, argue with me saying CAT5 jumper cables were not made with stranded wire cable but were all solid core cable.
He didn't think stranded wire cable was used anywhere in CAT5 or 6 cable, like it was the most foreign concept he ever heard in his life.
This is sadly way too true.
We use electrical contractors on site to pull cable.
They will argue till blue in the face that their cable tests fine even when we show print out from the switch blackjack au comment grattage gagner that there is a short in pair two on the cable.
Additionally they will argue that according to their tester the switch is not pushing POE digital watchdog blackjack blade nvr though camera will boot up and function just fine on the same port.
I really feel like people regularly responsible for cabling or testing should invest in better quality test equipment.
For the integrators reading it is maddening when we have to pay for multiple visits because the cable tested fine but was in fact bad.
Hi guys, I am new to IPVM and have enjoyed the last few days reading thru tons of discussion here!
I have seen such many times when the camera buffer get full and shut down the cameras.
Only hard power restart got the camera back to work.
Your options are: 1.
Replace your camera and NVR supplier 3.
John Scanlan - 82 The world's leading video surveillance information source, IPVM provides the best reporting, testing and training for 10,000+ members globally.
Dedicated to independent and objective information, we uniquely refuse any and all advertisements, sponsorship and consulting from manufacturers.

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Hello I am having an ongoing technical issue with an installation that I did a few months back.
read more system consists of a Digital Watchdog NVR Blackjack Blade - Spectrum with eight Digital Watchdog DWC-MV421D 2.
I am using two Trendnet eight port gigabit POE switches.
I'm using outdoor CAT5E cable to all of the cameras with the exception of two which have standard CAT5E.
The system is installed in a small commercial environment and is connected to their network for internet access and local viewing.
All of the cameras have been assigned static IP addresses that I was given by the IT people that manage their network.
Periodically every three to seven days one of the cameras falls off line.
It is not always the same camera and it is not always a camera on the same switch.
The camera that falls off line can be pinged but the you can not access the camera's web browser.
The only way that I can put the camera back on line is to power cycle it by shutting down the POE switch or unplugging the camera's ethernet cable.
I have spoken with Digital Watchdog technical support people on several occasions and most recently they suggested to me that it may be a power issue so I replaced the switches.
I also connected one of the cameras to an Axis midspan POE injector but even that camera at one point went down as well.
The camera cable lengths vary between 50 to 250 feet but cameras on short cable runs will go down as well.
The most recent episode happened yesterday after a week of having no issues and in the past 24 hours it has happened twice.
Any help would be greatly appreciated!
Pinging can work while web browsing is not, as these are two different processes in side the camera.
I'd suspect a firmware or an integration issue with the DVR if everything else is alright.
Make sure there are no IP address conflicts, dbl check subnet mask is correct and gateway is correct if any.
Is any other devices on the network other than cameras?
Thanks for the reply.
These cameras initially were running on DHCP and I was having IP conflicts with other devices on the network.
At this point I had system administrator assign me static IP addresses outside of their DHCP range.
This solved the conflict problems but the issue that I described above has continued.
The camera's firmware is up to date.
How do you know it went off line?
Or some form of alert?
When the camera falls off line you can not reach the web interface.
There is also no recording on the NVR when this happens.
The NVR-VMS shows "NO SIGNAL" from the camera.
On average this happens every three to four days.
Sometimes there will be no issues for up to a week.
It is not always the same camera that falls off line.
Although it seems to happen more often during business hours, the last camera fell off line at 2am.
If you can't reach the web interface of the camera, that seems to indicate it's more of a camera issue than an NVR or NVR connection one.
How much PoE power can those Trendnet switches provide each?
They are 8 port so is that's 60 watts total or 120?
How many cameras do you have per switch?
There is also no recording on the NVR when this happens.
The NVR-VMS shows "NO SIGNAL" from the camera.
On average this happens every three to four days.
Sometimes there will be no issues for up to a week.
Both instances were using IQEye cameras, and in both, IQFinder could see the cameras, and I could load the web page, but received no video, and the web interface was extremely slow.
I've also seen similar behaviour using low-end switches once they start seeing a lot of traffic.
If possible, try using a higher-quality switch.
It was a thought of mine and DWD technical support.
There are two eight port gigabit POE switches with only four cameras on each.
The camera's power consumption is about half of the manufacturer's per port rating.
There are not even any IRs on these cameras.
I even put an Axis midspan T8120 POE power supply on one of the cameras in place of the switch POE power.
At some point that camera ended up going off line.
When a camera falls off line it can still be pinged but you can not access the web browser.
The only way that I can get it going again just click for source to power cycle it.
Hello, when the camera's go offline is it a power loss issue or a signal loss issue?
If you have lost the signal you may have an IP conflict with another device depending on how the network is set up, this would cause the camera to be on but not able to deliver a signal to the DVR thus causing loss of recording.
Most camera's have a light that will help indicate if the power is still being provided to the device.
If they do not you can check the switch, if there is a power and connection status light on the switch this may help you diagnose where and when the problem is occuring.
Undisclosed, Are both the Gigabit PoE switches and the Axis Midspan going through the same power outlet?
Thanks Matt I tend to lean towards your switch idea.
All of the cabling in this installation is new and although some runs are through conduit, some aren't.
Even cameras with short non-conduit runs have fallen off line.
I am using two Trendnet eight port gigabit switches in different locations.
Each switch is powering four cameras.
Can you or someone else recommend a reasonably priced alternative that you have found to be reliable.
Thanks Depends on your definition of "reasonable" but we've been using the Cisco 300-series switches with great success.
I have one of these running eight Axis P1214s without a hiccup.
Quick followup: the one Cisco switch that I said failed an older SFE-1000P.
I finally put it on my bench and fired it up and it seems to be MOSTLY working.
I couldn't get a link on the GbE uplink ports, but that may have been a sketchy cable.
On the whole though.
REALLY solid service record with the Cisco 300-series.
I ran into this issue last year with a set of Axis M1054 cameras.
Four of eight M1054 cameras would go offline, same symptoms as you describe.
Over a 2 to 3 week period, one would go offline, sometimes two.
Cycling the port would restart the camera and get it back online.
Usually they would not respond to ping when offline, but sometimes they would even though the web interface was down.
Network monitoring showed a really high rate of link errors for the four cameras, like 1,000 per day when we should have seen zero or one per week.
Plus for some of the cameras packets were getting dropped but not consistently.
It turned out to be a combination of three problems.
That was replaced and the packet issue cleared up.
The blackjack review errors remained.
It may have been that the cable problems caused the connections to degrade to 10 Mbits from 1Gbits, as we experience that with some other workstation connections that had bad cable.
The client software would connect, but getting recorded video from the server was slow as molasses in January.
It turned out dealer school blackjack online these cameras had not been reset back to factory defaults for the VMS change, and the previous Pizza missoula blackjack software had created settings inside the camera that were visible in the System Report, but were seen in the camera's setup pages unless you knew where to look for them or caught them in the System Report.
The server names were no longer reachable, and this was the source of the link errors.
We upgraded to the latest version of firmware at the time, because per the release notes there were "improvements to camera robustness" -- which we interpreted to mean.
It's now been a year since we had the issues, and no problems.
If you have Axis cameras, do you see anything unusual in the System Report?
Depending upon what the cause of the problem is, you may get some insight if you set up a syslog server and enable syslog on the cameras.
At the same site we also had an outdoor Axis P1347 that would go offline every few weeks.
We found that the POE switch had unstable power, and replacing the switch solved the problem.
I don't or won't know if this helps or not but you can see you're not alone.
I had a similar issue with GeoVision VMS and a new camera.
I had been dropping signals on just one camera of 16 total no POE 24 VAC Power.
I was on the phone with Tech support for an hour updating the VMS.
Everything was grand stayed there two more hours pictured stayed on.
Whereas before VMS would say signal loss picture would cycle on and off right in front of you.
Sometimes with IE 9 I blackjack 6 deck log into camera and see the video and not on the VMS and then the issue came back hour after I left.
So another trip and call to GeoV and they said to hard reset the camera which I did then I reconfigure with my static IP worked great for about two hours just like before then here we go again it's off after I left premise already.
My network stands alone from clients and I had a guy certify it for my own piece of mine however I did verify cable as it could have failed or not been seated properly.
Hopefully so I would avoid conflicts such as this, as it made sense to me at the time.
Well I decided to delete all 16 cameras to "query" cameras and learn them back in VMS as there are two methods for assignment I chose this one.
I have not had the camera lose signal since for about two weeks.
I am on this forum to learn and reading your problem seems so time consuming I really understand how difficult it can get.
One job works great the others well it only takes one to ruin the day from time to time.
You may want to check if you are using inline couplers and if someone other than yourself crimped connections sometimes the clip does not seat or "snap-in" correctly and I have found that if your looking at the connection if done with tool you should see shinny copper ends after the crimp is performed.
I use a jewelers 4x google when I crimp mine.
I even seen the whole cable nicked where it was stripped if done poorly.
Many great suggestions I think it is software related hopefully.
I'm a great cable guy not to technical yet HA!
What a great place to learn it boggles my mind just how complicated IP issues can get.
I have found that I have far greater success at connecting remotely with Firefox.
IE is always asking for additional activeX plugins.
I think that disconnecting my system from their network for test purposes is a great idea.
It certainly would make sense trying it before investing in new switches.
Thanks for all of the great suggestions!
One thing that I didn't mention in my first post is that all of the eight cameras are fitted with micro SD cards for data back-up in case of network loss.
Is there a possibility that these may have anything to do with the issue?
I really don't think so but I thought that I'd mention it.
Maybe also trying connecting another brand camera.
See if another manufacturer of camera does the same thing.
Addressing our problem of a subset of our cameras going offline, we also did a substitution with a different model of camera, same brand, to see if it was just that particular model.
We found that the other model did not manifest the problem.
That was good info to the manufacturer.
Yes, using the wrong SD card can cause your cameras to behave accept. pokerstars casino blackjack for odd ways, including lockup.
Check your camera specs for the recommended SD Card Class.
Harold, in support of your comments, I know that "Extensive testing has shown that SanDisk SD blackjack emery boards work very well with Axis network video products.
SD cards from other manufacturers may also work, but before deploying them in real installations the cards need to be extensively tested.
I take it you have two unused Trendnet POE switches laying around ".
I replaced the switches.
Even when balanced, you'll cut each switch's traffic in half.
Beyond that, I'd practice counting cards blackjack online free up the setup.
I'd have one camera each on two switches, two on one switch, and four on one switch.
If both traffic and power loading make no difference, cameras should continue to fail without preference for which switch they're digital watchdog blackjack blade nvr />If you find cameras failing on the 4-camera one but not the others, re-balance all to 2 cameras per switch and re-check failure rates.
Who knows, might clear up the problem.
However, if the greatest cost is the value of your time, then this is not your best troubleshooting approach because it depends upon observations over time, and will likely require multiple site visits.
Thanks Harold and Horace.
Although the SD cards are the proper class, I may try removing one or two of them to see if that may be the issue.
I see lots of good suggestions here.
I don't disagree with any of the contributed advice.
No, not Linksys with a Cisco logo.
Try putting the cameras in the LAN DHCP range, I've seen routers cause connectivity issues with cameras assigned static IP addresses if its outside the range its looking to assign everything else.
Thanks Rodney and Steve.
The cameras are using static IP addresses outside of the DHCP range.
I may try changing one of them to an address at the high end of the lease range.
I do agree that the Trendnet switches are lower end.
Just because you have a pool of static IP to be utilized for security devices, does not mean that other devices on the network can't have that same IP manually assigned to them as well.
On the topic of switches, just because there's enough power are on each port does not mean the switch is robust enough to handle multiple megapixel camera digital watchdog blackjack blade nvr video.
You have to consider the throughput digital watchdog blackjack blade nvr of the switch.
Additionally, the uplink port has to be able to support the aggregate of the cameras across the gigabit ports.
Why did you use CAT5e?
I learned from Anixter that CAT5e is not optimal for 8 cameras, each 2.
I don't think you easaly can change the cabling.
Try this instead: use, if available, the bit rate settings in the camera, best is CBR, not VBR.
Set this to a level max.
Why did Anixter tell you this?
Cat5e supports +1000Mbpsand is fine for connecting cameras to switches.
See our tutorial for an explanation.
Setting CBR to 2000 kbps is bad advice knowing nothing about the scene.
That's equivalent to ~1.
Setting a camera's CBR at 2000 kbps and running Cat6 to it is the equivalent of turning a water spigot to trickle while running it through 24" pipe.
LOL, most cameras only come with 100 mbps connections and streams out less than 10 mbps.
Cat5e is rated at 1 gigabit and is way above the spec required to deliver the data.
Cat6 only provides better shielding in highly noise environments to prevent crosstalk, it does not give you any additional length nor speed for IP camera installations.
Anixter just want you to spend more money on cabling.
Try to get your info from instead of a sales person.
What is if the end user decides to use 3 or 5 MP instead of HD?
Expierenced IP CCTV installer uses over here in Europe Cat 6 as a standard.
Labour is too expensive to spend any time on searching for problems caused by poor quality or "cheaper" infra structure.
The more I read into this the more I think is an IP check this out like some of the responders point out.
We had a situation at one site with about 200 cameras where cameras would go offline every few days, no rhyme or reason.
We could ping the offline camera or so we thought, more on that later but could not bring up the camera configuration page or the video.
After a lot or troubleshooting and hair loss, we figured out that the customer had connected the Video Https://chakefashion.com/blackjack/poker-pros-online-names.html to a Cisco router on the building so they could view video remotely and it so happened that even though we were given an specific range of reserved IP addresses, there were existing IP addresses on the customer side of the router that matched the IP address on a lot of the cameras on the site, therefore causing a conflict resulting on the cameras to randomly go offline.
The way we initially noticed there was something wrong with the IP addresses was by looking at the ARP tables on the switches.
We started noticing that the ARP tables had the IP addresses of the offline cameras associated with MAC addresses that did not match the MAC on the cameras on those IP addresses.
We were not pinging the camera but some other device on the other side of the router.
The moment we disconnected the router from the Video VLAN and refreshed all the switches, all the offline cameras came online and all the cameras stayed online for several weeks.
Cheers Thanks for reporting that thought-provoking experience.
Maybe tracert should be a core component of every ping-er's toolkit.
If you have confirmed the network layer with ping, but cannot establish higher level functions, a tracert might be worthwhile.
It also improves equal level far end crosstalk ELFEXTreturn loss and insertion loss compared with Cat5e.
The result is less noise, fewer errors and higher data rates in the transmission of the signal.
I don't know if this has been raised already, but I avoid using command line ping tests to check connectivity.
The ping test will tell me if some sort of device is connected to that ip - but that is all it tells me.
Within it's network limitations, I find using an arp scan tool much more reliable because it gives me mac address detail.
That way I can be sure that the "ping" is from the specific device in question.
I'm learning that I'm pretty ignorant, and IPVM has been a real help in my education.
For the first time, I ran arp -a on my network and uncovered a number of devices mapped to IP ranges outside my network.
Time for some detective work.
Many "intermittent connection issues" can be found with PING using the continuous PING "-t" switch.
But doing a continuous PING can show intermittent problems that may not show up until every 10th or 15th PING for example.
I'm been able to discern many a bad network port, bad line connection, bad modem connection and bad Internet connection using PING, at least isolating the problem to the customer's Internet connection when it's a remote access problem and being able to negate the security equipment as the problem.
I think constant bit rate change could be a troubleshooting method, perhaps maybe not as low as 2mb but chaning it could isolate the throughput capcity of the switch, of course a switch upgrade would be best.
Also is your customer using any 3rd party camera apps like ipcamviewer or anything to make thier phones compatible to the camera?
I have seen that cause the stream capcity of the camera to max out and lock up the video but stay somewhat responsive to other connectivity measures.
Instead of a vlan if your switches don't have that what free online multiplayer blackjack flash game confirm, try just assigning your own range on the same switch hopefully your nvr has dual nic keep one on the customer subnet and the 2nd on your newly created subnet this way your only tracing down one possible duplicate ip address Also always label the cables when installed that way you can be sure your disconnecting the right device when you loose a camera and it mysteriously still responds digital watchdog blackjack blade nvr a ping.
I think constant bit rate change could be a troubleshooting method, perhaps maybe not as low as 2mb but chaning it could isolate the throughput capcity of the switch, of course a switch upgrade would be best.
Also is your customer using any 3rd party camera apps like ipcamviewer or anything to make thier phones compatible to the camera?
I have seen that cause the stream capcity of the camera to max out and lock up the video but stay somewhat responsive to other connectivity measures.
Instead of a vlan if your switches don't have that option, try just assigning your own range on the same switch hopefully your how to cheat in blackjack red dead redemption has dual nic keep one on the customer subnet and the 2nd on your newly created subnet this way your only tracing down one possible duplicate ip address Also always label the cables when installed that way you can be sure your disconnecting the right device when you loose a camera and it mysteriously still responds to a ping.
Thanks for your input.
I believe that the bit rate is read article default which I believe may be 4Mb.
I am slowly and methodically implementing some of the suggestions.
It will be a slow process because the system will run for up to a week without issue.
Undisclosed Integrator, Spectrum is some great software, have you looked at the log files on the server?
Are they saying someting about streaming stopping, or is it just saying the camera is offline?
When I am troubleshooting these types of things, I usally go through and change one thing at a time, or at least take something out of the equation.
In this case, I would say take DW Spectrum out of the equation and stream the video using VLC, or another VMS to record the video for a time period.
Download the free version of Exacq or Milestone and have it record those cameras for a week.
So if the camera continues to go offline, you have now eliminated the software as the culprit.
Then move on and replace other single parts, like the camera, the network switch.
I guess it really depends on how much time you have to fix this issue.
I have replaced on of the switches and it has greatly improved the situatuation.
I have had one incident in several weeks whereas before it was every few days.
Thanks again Hi I may have posted in this thread already.
I had a simialr issue with one installation.
Hik cameras and VMS on COTS PC.
Probems of cameras getting offline randomly.
We changed the system to a Hik NVR.
We changed the switch to a Cisco 48-port SC-300 MP or PP.
We tested the network cabling, they passed some of those failed we redid the connectors and it was that.
We installed a UPS with https://chakefashion.com/blackjack/blackjack-pokerist.html longer autonomy up to 2 hours since the site experienced brownouts and black-outs quite often.
I think by now you know.
We despaired, ran a network test during the day.
Finally on a whim we decided to check the cabling visually.
It must have been the worst cabling job I have ever seen.
With cables manually spliced, cables turning at odd angles and water in the conduits.
Cabling was performed by a different contractor and when we tested it summarily it works but not after rainfalls subtropical climatelot of rain.
The network center is in an adjacent building where the all cables land.
They pass through conduits another botched job BTW.
Turning radius are not respected.
link ran fiber to the main building and installaour own cables inside the building.
Problem solved Lesson learned : PLEASE PAY ATTENTION TO YOUR CABLING!!
If it was performed by another contractor, test and retest it.
Make sure it is certified or certifiable.
I have come to be wary of many off-brand cable certification tools.
Buy the bst tested you can afford.
How's that for shouting!
All cameras are up digital watchdog blackjack blade nvr boot up nicely after a brownouts or blackouts.
We are now 2 months running with not a drop.
The reason of this post is to ponder why didn't the cable analyzers report any issues?
The cameras on the other hand misbehave badly on the same cables.
This is to me beyond a rhetorical question.
Despairingly I have seen all too often people just do not take doing a good job seriously when it comes to cabling.
It's seen as such a low tech, simple task, it's like you said, if it passes a meter test, then it will always be good.
But using crappy dies on your crimps, the cheapest connectors and wire off the shelf, not visually verifying the teeth in the connector making a good pierce into the wire, not even making sure all the wires are lined up evenly in the connector after crimping all make a difference.
And the ignorance is not just in the field, either.
A month ago I had a rep at one of the major distribution companies, I won't say who, argue with me saying CAT5 jumper cables were not made with stranded wire cable but were all solid core cable.
He didn't think stranded wire cable was used anywhere in CAT5 or 6 cable, like it was the most foreign concept he ever heard in his life.
This is sadly way too true.
We use electrical contractors on site to pull cable.
They will argue till blue in the face that their cable tests fine even when we show print out from the switch saying that there is a short in pair two on the cable.
Additionally they will argue that according to their tester the switch is not pushing POE even though camera will boot up and function just fine on the same port.
I really feel like people regularly responsible for cabling or testing should invest in better quality test equipment.
For the integrators reading it is maddening when we have to pay for multiple visits because the cable tested fine but was in fact bad.
Hi guys, I am new to IPVM and have enjoyed the last few days https://chakefashion.com/blackjack/skrill-poker-online.html thru tons of discussion here!
I have seen such many times when the camera buffer get full and shut down the cameras.
Only hard power restart got the camera back to work.
Your options are: 1.
Replace your camera and NVR supplier 3.
John Scanlan - 82 The world's leading video surveillance information source, IPVM provides the best reporting, testing and training for 10,000+ members globally.
Dedicated to independent and objective information, we uniquely refuse any and all advertisements, sponsorship and consulting from manufacturers.

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