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7 posts

Wannabe Geek


#272544 30-Jun-2020 20:37
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I own a MikroTik Switch which can run RouterOS or SwitchOS it is a CRS309-1G-8S+IN it has 1 x 10/100/1000Mb Ethernet port inbuilt and 10 SFP cages four of which currently have S+RJ10+ Mikrotik fiber ports for OM3 and 2 of which have 10Gb SFP to 10Gb Ethernet converters.

 

Not knowing much about ONT's ( Optical Network Terminals ) I was wanting to ask if this device can actually operate as an ONT or is there something more to an ONT that just a fiber to Ethernet media converter? I.E it does some sort of protocol conversion in it's innards.

 

If someone in the know could answer this I would be very interested in knowing, I will be using the MicroTik either way but all of my main equipment is all QDR IPoIB at 56Gb.

 

 

 

Cheers in advance.

 

 


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9746 posts

Uber Geek

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  #2515320 30-Jun-2020 20:38
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at the moment the LFC's dont allow this.

 

 

 

it may come in the future though


50 posts

Geek


  #2515323 30-Jun-2020 20:42
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Definite NO if your LFC is Chorus - it is 100% technically possible with a GPON SFP module, but as far as I know Chorus won't supply you with technical support nor the GPON registration ID that needs to be programmed into the SFP module in order for the OLT on the other end to authenticate with it. Residential connections are usually Bitstream 2/2a and require use of the supplied Chorus ONT.

 

 

 

I think Bitstream 3/3a for business use might allow customers to use their own SFP/GPON hardware but I'm sure someone from Chorus on here can chime in to confirm that


 
 
 
 


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Uber Geek


  #2515326 30-Jun-2020 20:49
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You won't get great routing performance from the CRS309 either, especially if you need a PPPoE connection.


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Ultimate Geek

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  #2515347 30-Jun-2020 21:12
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RunningMan:

You won't get great routing performance from the CRS309 either, especially if you need a PPPoE connection.



What this guy said



7 posts

Wannabe Geek


  #2515362 30-Jun-2020 21:53
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I don't know if Chorus will be supplying the ONT or not TBH but the actual fiber will be through Enable - the cabinet is about 20 feet across the street.


5346 posts

Uber Geek


  #2515364 30-Jun-2020 21:57
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Enable will be supplying the ONT then.


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Uber Geek

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  #2515366 30-Jun-2020 22:04
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I think Chorus is the only LFC that offer SFP ONTs, but that is only for business services (Bitstream 3) so no.

 

Just get the proper equipment for the job and stop trying to mess around with it.





and


 
 
 
 




7 posts

Wannabe Geek


  #2515377 30-Jun-2020 23:04
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Yeah - wasn't a matter of trying to mess around with it , it was more just curiosity and elimination of anything that absolutely was not required.


50 posts

Geek


  #2515381 30-Jun-2020 23:14
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VaultDweller:

 

Yeah - wasn't a matter of trying to mess around with it , it was more just curiosity and elimination of anything that absolutely was not required.

 

 

 

 

No harm in asking! I actually looked this exact question up when I first got into MikroTik gear in 2018, for me it was about having everything run off my rack-mounted UPS for power redundancy, and my ONT is way too far away from it without using PoE / a separate battery backup unit

 

 

 

I think it's a big shame that some people on Geekzone take pride in shooting people down for being curious, really kills people's willingness to ask questions and learn


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Uber Geek

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  #2515384 30-Jun-2020 23:35
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The Mikrotik side effect of curiosity wormholes know no limits.

70 posts

Master Geek


  #2515385 30-Jun-2020 23:37
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I think it's a big shame that some people on Geekzone take pride in shooting people down for being curious, really kills people's willingness to ask questions and learn

 

 

 

 

Par for the course here. It does get to the point with some people who are intent on doing stupid things, "Can I hook up my high pressure gas BBQ with some garden hose?" type of posts. 


322 posts

Ultimate Geek


  #2516413 2-Jul-2020 19:41
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OzoneNZ:

 

my ONT is way too far away from it without using PoE

 

 

That's exactly what I do. Just get a PoE splitter, cut the DC plug off, and crimp the molex connector that the ONTs use.


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Ultimate Geek

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  #2516499 2-Jul-2020 21:21
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OzoneNZ:

 

I think it's a big shame that some people on Geekzone take pride in shooting people down for being curious, really kills people's willingness to ask questions and learn

 

 

I don't think your comment is fair. This is a question I must have seen several times on Geekzone (even if phrased differently and/or in different contexts) with excatly the same response every time. People have given up their time sharing detailed and accurate info explaining why it is so. I can understand that people must be getting to the point of wondering why they spend their time explaning the same info over and over again.

 

This is why I try and search for the info I need before I make a post. Often the subject I'm after has already been explored in depth with useful contributions from those in the know (including, in many cases, info from the people who have directly worked on whatever it is I am asking about). 95% of the time I just search Geekzone for the info I need and it's already been discussed previously with all the info (and sometimes more) I need to know.

 

A good lesson for OP to search the forums before asking a question. :)


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  #2517199 4-Jul-2020 14:20
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You will need to find an ISP that offers business grade services, and be in a Chorus LFC area. 

Ask the ISP for a Bitstream 3 service using an SFP ONT. 

 

You will need to temporarily help the chorus technician program the ONT by providing them access to it (the ONT will have an ip address of something like 192.168.x.x and so you bridge the SFP port to a LAN port for the chorus tech to plug his laptop into. He then sets the correct IP address on his laptop and can program it using SSH. 

 

In my case, we had to do it on my laptop because the Downer staff laptop group policy restrictions wouldnt let the technician set his ip address to configure the ONT. 

 

Personally however I dont like the idea of a SFP ONT because they are rare and I imagine it would take a lot longer to obtain one if you had a failure. 

 

The Chorus SFP ONT modules also run very hot. 
You can insert them into a mikrotik router with an SFP port. I dont know how compatible they are with other brands of router. 
Obviously they act as a single-port ONT so you cant have services from different ISPs delivered to an SFP ONT like you can with the standard Alcatel ONT which has 4x ethernet ports. 





Ray Taylor
Taylor Broadband (rural hawkes bay)
www.ruralkiwi.com

There is no place like localhost
For my general guide to extending your wireless network Click Here




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