Help required - POE over distance

[bobby singh 0]

Hi guys, sorry in advance for the long post.

 

I have 4 x Hikvision ds-2cd2032-1

Hivision NVR - DS- 7608NI/SE/P

 

I have cat 6 running to all four camera's.

 

Garden camera (under 10m run)- works fine - CAT 6 cable used steel type strands (UL registered)

Side camera (under 10m run) - works fine - CAT 6 cable used steel type strands (UL registered)

Front Left (approx. 15m run - NOT working - CAT 6 solid copper

Front Right (approx. 18m run - NOT working - CAT 6 solid copper

 

The front two camera's appear to come up as active devices on my adsl router however the NVR does not see them.

Please note I have changed the cat 6 cable once already as the previous run was thought to CCA cat6.

 

The Garden and side camera are using cheap ebay cat 6 cable and the fronts are using this:

 

http://www.repsole.com/Product/te-adc-krone-truenet-cat6-solid-cable-lszh-utp-orange-305m-tn6tz1-ormb/2383

 

The strange thing is I tested the camera's externally by fitted RJ45 connectors on a 25m cheap ebay and worked fine.

 

I'm testing the cat 6 cable with a cable tester tool which confirms the connections are good.

 

I've also tested the system by ruling out the NVR and using a standalone POE netgear and get the same problems.

 

It's almost as if POE doesn't like copper cable and using cheap ebay cable works fine?

 

Any suggestions before I start taking the house apart again.

 

Thanks

Bobby

[bobby singh 0]

Additional information:

 

When I connect the front camera's I can see the infrared LED's power up during boot.

[bobby singh 0]

Well i found the issue. Basically i was wiring the rj45 connectors incorrectly once i followed the 568B problem solved.