New jio fiber connection - How to patch/connect fiber and cat6 cables ?

[amaravati]

Ahoy Peeps,

I am taking a new connection from Jio Fiber. In my apartment, cat6 cables were laid into homes from network room in the ground floor. Since Jio is built on GPON network and it needs Gpon-ONT device at home as in fiber to home theoretically.

Currently my option is to place ONT/ONU device in the network room and plug RJ45 to the ONT and use internet at my home and connect twisted pair to ONT and use phone too. This is insecure as ONT is left open in the network room and anyone can connect to the device and use internet.

Is it possible to patch the fiber with SFP-to-RJ45 module in the network room and use RJ45-to-SFP module to bring it back to fiber mode and have the ONT device at home?

 

[varkey]

Unfortunately nope, you might be able to pull the fiber over the existing conduit alongside the CAT6, if there is sufficient space. Or if there is a separate conduit from the network room to each apartment, you might be able to make use of that. Pulling the cable through the conduit is a relatively simple task.

 

[amaravati]

Conduits are concealed and apart from that we have 160 apartments in the building, running new conduits would not be feasible i guess.
Can I use fiber to ethernet media converter ? If not, i am going with my first option of keeping ONT in the network room.

 

[varkey]

Yes, I meant pulling the cable through the existing concealed conduits which is relatively easy. You can even use the existing CAT6 to pull the fiber through the same conduit, in case it cannot hold one more cable.

No, since this is xPON, you'd not be able to use a media converter etc.

 

[AG1001]

@varkey if separate pipe for ethernet cables is not install in home, can we install cat6 cables inside existing electricity pipes along with electricity wires for cctv cameras and internet.

 

[Gokul Kannan]

@AG1001 Generally it is not a good idea to run Ethernet cables and other low voltage cables along with electrical cables in the same conduit. It will cause Electromagnetic Interference and affect throughput.

 

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[devangpatel]

ya your right since un-shielded wire can get affected when used in same conduit.

But if your using shielded wire from good brand like D-Link CAT6 outdoor grade then it has lot of shielding which does not affect the performance, since I have personal experience using CAT6 outdoor grade wire with my IP camera's which share common electrical conduit.

 

[AG1001]

@devangpatel So can I use the shielded outdoor cat6 cable along with electric wires in same electrical conduit pipes for both cctv and internet without any worry of signal noise?
Have you experience any noise & signal reduction in your cctv camera system and also for internet speeds ?
Btw, how long cables you have used along with electric wires in that conduit pipes.

Also confirm once more thing that have you connect your cat6 cable's aluminium shielding with the Earthing/ground wire to reduce the signal interface due to electric wires? How to do that?
I read somewhere that it help to reduce the signal noise interference.

 

[devangpatel]

Yes you can use shielded CAT6 (250MHz), below I have my POE for IP Cameras from which single network cable is connected to my NVR. This cable travel with my electrical power cable(Not main power cable) which powers 8 AC's and 6 water heater. Since my 6 cameras consume less than 50 Mbps of bandwidth so I can't tell the difference. Also I have only 10 Mbps internet connection so max to max only 70-80 Mbps bandwidth is used.

If you are planing for Gigabit internet then its recommended "Not to run power cable and CAT6 parallel" cause more the frequency more inert to interference.

You need to ground the CAT6 shielding to ground. For grounding the CAT6 cable it can done at any termination end of the cable, in my case it was done near NVR. Generally RJ45 connectors are made of plastic but in this case you get a shielded RJ 45 connector (conductive) made of metal.
I have put down the link below to see how they did it. (since I had installed my system from a service guy from which I bought my cameras)

I have used 30-40 meter of cable in conduit. But if you want more then 50 meter then I recommend CAT6A (500 MHZ) which is future proof since it can send data upto 100 m easily but it very expensive that too shielded.

Also I recommend if its possible to have separate conduit for the network cables then you may go for un-shielded which are lot cheaper and easy to install and also less thick.

Also if you consume less bandwidth(like you have less then 100Mbps) then go for CAT5 you may save more. (I wanted future proof so I went for CAT6)


Source

 

[AG1001]

@devangpatel for grounding the shield of cat6, can I just simply connect it to nearby Earthing wire in electric socket. If not then how to provide effective grounding to cat6 cable ?

 

[devangpatel]

ya thats the only way for residential peps. simply connect the earthing to the electric socket's earthing wire(hole). Also make sure that, that socket earthing is really made to ground plate which is buried in proper place and have proper conductivity down there cause lot of time people ignore to put black salt(to increase conductivity and maintain it for longer time) when they lay copper plate. also check that the copper plate isn't dry down there, if its dry then it won't conduct properly.

For commercial purpose they have heavy bandwidth so they use special earthing only for the data cables but for home you can simply earth with normal socket.

But you still think if it's worth for spending that much money for shielded cable instead of making new conduit and using normal CAT6.
I realised after spending money on more expensive shielded cable, that I could have simply used new conduit away from electric cable and saved lot of money since I had more room for new conduit. But now I regret 😅

 

[AG1001]

@devangpatel In my house there are no seperate conduit pipes for cctv cameras and fiber cables. I have to attach a dome camera along with LAN cable on ceiling (which is RCC Slab). But I want to install PVC conduit pipe (1 inch dia pipe & 10 feet long) inside the concrete slab. So is it possible to cut the concrete slab for installing conduit pipe now or it only possible during construction of home?

 

[devangpatel]

you can use clamps/clips for PVC pipe to attach to slab as you can see from my previous photos that we have used clamps/clips to attach PVC conduit with the wall.

To attach clamps you simply need to drill holes into the slab for the nails to hold the clamps.

 

[AG1001]

No I was taking about inside the slab by cutting through machine and tools.

 

[varkey]

@AG1001 Ceiling might be bit difficult, however you can easily cut through regular walls with a cutting tool. I got it done recently. Unless you want it in the center of the ceiling, maybe getting the cable through the wall might be easier.

Also, you could look at wireless IP cameras so you'd only need to worry about power.