Extending POE network from Lorex LNR6100

Discussion in 'Networking' started by gregorio, Jul 26, 2019.

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  1. gregorio

    gregorio n3wb

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    Has anyone tried to extend the distance from a Lorex NVR to the cameras beyond 100m? I am thinking about putting one or more cameras over 300m from the NVR. I don't see why I could not run it through an IP network on its own VLAN but will the NVR autosense that it is not directly connected to the camera and shut off POE? I do not want to fry any equipment.

    Lorex support was useless.

    Thanks.
     
  2. mat200

    mat200 IPCT Contributor

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    Hi Gregorio

    Lots of options with IP cameras - you may need to have the camera connect with the NVR from the "LAN" side.

    Do search the forum on what others are doing for some longer runs. In general for the ethernet runs the limit is 100M without additional equipment - so plan to add more equipment to extend the run.
     
  3. gregorio

    gregorio n3wb

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    I tried searching but found nothing this specific. Most people with complex networks or distances are not running an NVR with a built in POE switch. I know I can make one camera work over the LAN port. The Lorex only supports one networked camera plugged into the LAN port in place of one of the POE ports. If this does not work, I will be forced to buy another NVR to place closer the the most remote cameras.
    Thanks,
    Greg
     
  4. mat200

    mat200 IPCT Contributor

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    Hi @gregorio

    NVR = IP based network device... numerous ways to set it up and set up your lan.

    Take some more time checking for what others are doing, the answers are here.. remember to check out the cliff notes also.
     
  5. gregorio

    gregorio n3wb

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    I've been all over this and other forums for months looking for someone doing specifically what I am trying to do. My first post here was back in May Networked cameras back to LNR 6108 NVR I've read the cliff notes and all the threads contained therein but no one seems to be doing what I am considering. All of the advice is for using splitters on the LAN side of an NVR or using an extender in a 1:1:1:1 application (one NVR POE port, one wire, one extender, one camera). I am asking if anyone has tried to take one (or more) POE ports from the back of an NVR, plug them into a managed switch using discrete VLANs for each, connected to a POE powered camera across a distance greater than several hundred meters. I can't be the first.
     
  6. mat200

    mat200 IPCT Contributor

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    Hi Greg,

    SO let's take the data

    1) Solutions for the LAN side
    2) No solutions for the POE port side ( for extending the run )

    Perhaps there is a technical reason for that?
     
  7. gregorio

    gregorio n3wb

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    Technically, then their should be an answer confirming the negative just like there could be answers confirming the positive. A lack of an answer is not confirmation that it does not work.
     
  8. mat200

    mat200 IPCT Contributor

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    Hi @gregorio

    You do realize that this is basically run by people who volunteer to help out... right?

    Also, as you're attempting to setup your kit in a non-standard way ( as designed by the vendor of the kit ) you're going to need to do more DIY research and learning on your network setup.
     
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  9. gregorio

    gregorio n3wb

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    You do realize that is exactly the point of this and every other web forum and why I am here, right? :)

    I have done the research. From a networking perspective, the camera data is no different than any other streaming data. The potential issue I foresee is weather or not the NVR POE ports are auto sensing. I am not willing to sacrifice a $2000 managed switch to find out for certain. Then, there are all the potential issues that are unforeseen. Intelligent men know that they don't know what they don't know. Hence, why I am asking if anyone has done this before.
    Thanks.
     
  10. mat200

    mat200 IPCT Contributor

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    HI @gregorio

    For a networking perspective - the NVR POE ports are NOT like a normal switch - that is the NVR OEM can and does often configure the firmware so that they do not behave as a normal switch would. Yes it does look like a switch - but it is not. Some NVR OEM firmware is more limiting than others.

    I don't have time to dig into the references which have covered this here - but THIS Is what I learned from others here reading this forum who have significantly more experience than I do.
     
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  11. alastairstevenson

    alastairstevenson Staff Member

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    A Hikvision NVR will only 'find' a single camera when multiple cameras are connected to a PoE switch that is uplinked to a NVR PoE port.
    I've tried this myself, it's how the firmware is designed to interact with the hardware.
    People have done this on a Dahua NVR with better, but variable and unpredictable results, based on some recent posts.
    I've tried the same on a QVIS NVR where the PoE ports were simply a switch hooked up to the LAN port, not running a separate IP segment like the Dahua or Hikvision NVRs.
    The PoE-port-connected cameras all manifest as LAN-connected.
    Which is how you'd be able to extend the cameras distance as far as you want by daisy-chaining normal switches from the LAN to eventually a PoE switch.

    So whether you can use a switch almost as a midspan PoE injector varies with the design of the NVR in question.

    Auto-sensing for PoE action - or link speed?
    The brands of NVR I alluded to above all had 802.3af PoE - so the supply of power is by the sensed handshake.
    And Dahua and Hikvision have a configuration option in their PoE port settings to drop the normally auto-sensed link speed down to 10Mbps full duplex and extend the supported cable length up to around 300m.
     
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  12. gregorio

    gregorio n3wb

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    Thanks for the reply. What I am proposing with discreet VLANs for each camera would mean each POE port would only see one camera. The other solutions with splitters on the POE ports are a non-starter as others have found. I already stream camera video data over discreet VLANs on my customer networks, just not back to a POE switched DVR. Data is data as far as the network is concerned. My biggest concern is auto sensing POE. Lorex could not tell me if it was standards based or not. They were pretty much useless.

    I think the only way to be sure about this is buy a test bed and try it out. It is just something I cannot afford right now.
     
  13. TonyR

    TonyR IPCT Contributor

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    Is it safe to assume that there is absolutely, positively NO way to move the POE NVR to within 100m/328 ft. of the cameras and extend the NVR's LAN port 200m + back to the viewing/managing site?
     
  14. gregorio

    gregorio n3wb

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    Absolutely none. It will require 3 separate NVRs to do the job if networking the POE ports does not work. The network map is in this thread Networked cameras back to LNR 6108 NVR