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740 posts

Ultimate Geek

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  #2467424 21-Apr-2020 21:26
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Following with interest, I was looking at doing something similar - although I will have to dig a new conduit as the one with my cat cables in it has too sharper turns.

437 posts

Ultimate Geek


  #2467459 21-Apr-2020 22:22
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Also following with interest. Building a new garage at the moment, and will be digging a new trench for power and data.

 

Also keen to put a few servers and gear etc out there separate to the house.


 
 
 
 




106 posts

Master Geek


  #2468526 23-Apr-2020 11:53
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For those that have used fs.com for ordering gear, has the shipping always been quite expensive? Or is this a new thing due to the Covid-19 situation?

 

It's NZD $17-$40 depending on which product is chosen & whether it comes from Aussie or their Asia warehouse.

 

I hardly ever buy gear from overseas, so I'm unsure of what to expect for "normal" freight charges.


7624 posts

Uber Geek

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  #2468538 23-Apr-2020 12:05
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Hi, have not read through the entire thread, but firstly 5m between building should be fine to run a copper ethernet run between, as long as they are on the same main switchboard you will not encounter issues. Dont forget copper based ethernet uses transformer coupling with >1kV galvanic isolation as part of the specification, this is built into the standard, so as long as there is no major difference in earth potentials it should not be an issue. I do recommend you use outdoor rated PE sheathed cable, even though you are using conduit.

 

As for running fibre with LC connectors on through conduit, I successfully did this with both 20 and 25mm conduit recently, I had a 4 core with two sets of LC connectors stagged 15mm, this pulled through a 30m length with two swept bends with little issue.

 

Cyril




106 posts

Master Geek


  #2468542 23-Apr-2020 12:16
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Hy Cyril,

 

The main reason for wanting to avoid Ethernet in this case, is so that I could use the same conduit as the power cable. (For ease of use).

 

It's a no-no to run cables that carry different voltages through the same conduit (LV & ELV must be separated by a minimum distance of 50mm)

 

I know from a usability & performance point of view, using Ethernet in this case would be fine, but from an electrical standards point of view, it's not.


7624 posts

Uber Geek

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  #2468579 23-Apr-2020 12:50
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Hi, yes as an electrical engineer now doing network engineering I am well aware of that, as I said I did not read the entire thread so sorry missed the fact you wanted to use a common conduit.

 

So reading back you have a 32mm conduit with a 6mm? TPS or similar in it.

 

Dynamix do have 20m SM LC duplex leads, you would have to check but you should be able to easily split the cable, the LC connectors readily depart from the duplex carrier, cablesdirect list if for around $35 so not a big $ item to try.

 

http://dynamix.co.nz/FSM-LCLC-20

 

Cyril




106 posts

Master Geek


  #2468591 23-Apr-2020 13:00
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Hi Cyril,

 

Thanks for the info.

 

Correct, 6mm TPS in 32mm conduit, so there's enough space for that and the LC connector(s) to pass through.

 

I've gone for that exact cable as a matter of fact & without any previous experience dealing with these cables, they do look like they can be separated to give two individual fibres which is handy for pulling through if space is tight. Even though I only need one fibre due to using BiDi SFP transceivers.

 

I've ordered all the gear for this, just waiting upon delivery.

 

 


 
 
 
 




106 posts

Master Geek


  #2468782 23-Apr-2020 16:54
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Ok, an update:
All the gear arrived today, so I thought I'd bench test everything before deploying it.
Everything works flawlessly, using one strand of Single Mode fibre, I've got a solid gigabit connection.

My setup is as follows:
- Ubiquiti Unifi US-16-150W switch
- Ubiquiti US-SM-1G-S SFP Transceiver (blue)
- 20m Dynamix Single Mode Duplex Fibre Cable (P/N: FSM-LCLC-20)
- Ubiquiti US-SM-1G-S SFP Transceiver (yellow)
- Ubiquiti UF-AE Media Converter
- Ethernet cable supplying PoE to converter
- Ubiquiti Unifi US-8-60w switch


7624 posts

Uber Geek

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  #2468788 23-Apr-2020 17:01
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Hi, so your garage must be very close to the suppliers garage.

Cyril



106 posts

Master Geek


  #2468789 23-Apr-2020 17:05
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I was extremely surprised that everything arrived today.

 

Ordered from PB Tech yesterday around 10am, was all with me by 3.30pm today. Even with the fibre cable and SFP transceivers having to come from a different warehouse apparently.

 

I've always had great service from them, but this was awesome!

 

I'm located in Palmy by the way




106 posts

Master Geek


  #2468800 23-Apr-2020 17:16
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For those interested/wondering:

 

As reported by the US-16 Switch, the SFP Transceiver input power is -7.33 dBm, and the output power is -5.69 dBm.

 

I was wanting to know these stats to put my mind at ease that the 20m distance wasn't in fact too short for Single Mode operation, which would be shown by very low dBm readings.


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