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Topic # 81130 8-Apr-2011 12:22 Send private message

Folks, I've received a letter from the TCF (Telecommunications Carrier's Forum) inviting us to make submissions to the proposed Premises Wiring Code.

I am making the current TCF Premises Wiring Code of Practive Version 3.7 available for download (PDF).

Feedback is expected no later than Friday 6 May 2011 5pm.

If you are interested in submitting feedback please reply with comments, or PM to me.





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  Reply # 456725 8-Apr-2011 12:54 Send private message

LOL AlarmNZ (Neville) will be on this in a flash , Neville here is your chance to tell us how wrong we where with this , I already gave you the chance to have a say with the TCF but now it is in the public arena you can go for it... Comon I know your lurking somewhere




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  Reply # 456903 9-Apr-2011 00:33 Send private message

To balance AlarmNZ ideas that I'm sure will be aired once again:

In my opinion, backup supply needs to power the ONT only and be approved by the ONT manufacturer, physically preventing users from powering non-critical equipment that would reduce the time for emergency phone service to survive a blackout. User equipment such as alarms and network switches should be run from a separate power supply and/or UPS, and any phone service installed by the user (eg 3rd party VoIP service) should failover to an emergency phone connection on the ONT when other phones go down (a few ONTs do have POTS outlets).

I will no doubt have some ideas on the premises wiring standard too.




Qualified in business, certified in fibre, stuck in copper, have to keep going  ^_^

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  Reply # 456918 9-Apr-2011 06:42 Send private message

Cant agree here at all, and on a number of reasons, first and foremost how do you envisage a "failover" from the RGW to the ONT Pots, pretty easy to say that but no technicial option to due this , there is some pretty good reasons why the ONT is not preferred and RGW's are put in from my point of view,




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  Reply # 456974 9-Apr-2011 11:04 Send private message

maverick: Cant agree here at all, and on a number of reasons, first and foremost how do you envisage a "failover" from the RGW to the ONT Pots, pretty easy to say that but no technicial option to due this , there is some pretty good reasons why the ONT is not preferred and RGW's are put in from my point of view,

The CPE that I saw had a relay that, when denergised, would connect the POTs ports to a bypass port on the same device that could be connected to another device or directly to the copper PSTN. So when the CPE was de-energised or froze, you still had a POTs service.
Of course if you failed over to the ONT this would require the ONT POTs ports to be configured to be able to use them and if that was the case, why wouldn't you use them all the time.
Never saw anyone actually use the feature.

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  Reply # 457830 12-Apr-2011 14:16 Send private message

Do we agree that demarc for optical services should be the first SC fibre connector at the premises, and not the ONT's copper outputs?

We have a UFB model where the fibre co does not necessarily have to own the ONT, and where multiple retail service providers (internet, Sky, voip) could be connecting different types of gateways etc to the same ONT but some households may not purchase internet, so the customer is responsible for deciding who to purchase the ONT functionality from. This could be both confusing and flexible, compared to the Australian solution where NBN Co expects to provide ubiquitous Layer 2 service including the ONT.

So far, I think Freitasm has it right with the demarc at the fibre's optical termination, although APC stands for "Angled Physical Contact" (as opposed to the obsolete air-gap connectors). This means that while the ONT might not be classed as CPE, the demarc reflects ONT choices available to Layer 2 providers.

The ONT itself is more of a bridge to the customer's premises network, similar to current business services that include a media converter or PBX, so could be owned by a third party instead of the fibre co. Provider that lights up the dark fibre is still responsible for its own equipment, which may include the ONT.




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  Reply # 457869 12-Apr-2011 15:19 Send private message

It's not going to be dark fibre unless your spending big bucks, It'll be PON which requires the LFC to supply the ONT to ensure network stability. Under UFB the demark is the ONT's copper port as the ONT's setup/install/maintenance can only be done by the LFC

Dark Fibre under UFB is aimed at point to point link's which is completely passive from the LFC's POV.




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All comment's I make are my own personal opinion and do not in any way, shape or form reflect the views of current or former employers unless specifically stated 

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  Reply # 458039 12-Apr-2011 23:03 Send private message

I understood it was optional whether the LFC provides Layer 2 (ie. lit fibre) to another L2 provider, and the LFC is only allowed to provide L2 under terms approved by CFH otherwise it may only provide dark fibre. There's still supposed to be some kind of competition for dark fibre, being the reason that LFCs are barred from retail.




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  Reply # 458063 13-Apr-2011 00:13 Send private message

Either we're mixing term's here or your waaaay off. The sub-$100/month connections you'll be getting under UFB are not dark in any way shape or form, It's PON and has an ONT on it. Dark Fibre's going to set you back $200-$500 per month per strand per end




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All comment's I make are my own personal opinion and do not in any way, shape or form reflect the views of current or former employers unless specifically stated 

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  Reply # 458204 13-Apr-2011 12:46 Send private message

Dark fibre could be point-to-point or point-to-multipoint with a splitter, and (theoretically) will be a wholesale option for larger internet providers, who may still purchase the ONT from the fibre co or supply their own, and then light up the fibre themselves. Yeah, probably not a retail product, but does the demarc define the end of the fibre network or start of the premises network?

I think there will be exceptions either way, similar to Telecom looking after splitters on customer side of demarc.

In comparison, Australia's NBN Co only wholesales lit fibre. Even Telstra cant go in and colocate their own OLTs, so NBN Co over there is quite a powerful monopoly deciding who gets what. Demarc in Ozzy is the copper outlet on customer side of the ONT.





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  Reply # 458206 13-Apr-2011 12:53 Send private message

Just goes to show that nobody seems to be to sure whats going to be available and how it's going to implemented dosn't it ..... People tha tthink they know actaully don't know whats going on and there a hell of a lot of unknowns, must be using the Theresa Gattung school for keeping people confused

We havn't even got to the services yet you know the things that people will actually need to put over this network, seems to be awful lot of focus on the plumbing without consulting to much with the people that will actually look to deliver services across it.




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  Reply # 458222 13-Apr-2011 13:23 Send private message

The only people who don't know are the people who aren't either building it or offering services over it




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All comment's I make are my own personal opinion and do not in any way, shape or form reflect the views of current or former employers unless specifically stated 

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  Reply # 458251 13-Apr-2011 14:00 Send private message

lol, well I will beg to differ on that but we will see how we go, I don't wantt o sidetrack the thread ,

oh and if you can pass on the service layer tech requirements I would be very appreciative since you must have them as you must be in the know judging by your comments.




Yes I am a employee of WxC (My Profile) ... but I do have my own opinions as well Wink

             

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  Reply # 458473 13-Apr-2011 22:26 Send private message

I actually had to check a couple of dictionaries after hearing Theresa Gatung's "confuscation" theory.... but its still alive and well. Especially the DSL-through-a-straw advertising.

Unfortunately we only know the technology and the business model publicised by CFH, but even that keeps changing. Hope we dont end up with different implementations of service layer for each LFC, imagine having to setup 20 different systems to be able to offer nationwide service!





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  Reply # 458521 14-Apr-2011 01:11 Send private message

I still dont like the ETF being outside. When there is a basement, why cant it directly enter into it without the box being on the outside, visible, unsightly and ripe for tampering?




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  Reply # 458548 14-Apr-2011 09:04 Send private message

richms: I still dont like the ETF being outside. When there is a basement, why cant it directly enter into it without the box being on the outside, visible, unsightly and ripe for tampering?


It is easier for the techs to test whether the fault is inside the house or outside. This is because they don't have to make an appointment with the house owner and be on time.

Also houses with concrete footings and floors on grade need something to transition from outside to inside as they need to go up the outside of the house to get around the footing before going through the wall at 90 degrees. It needs to be that high off the ground to avoid water ingress. The ETP will enable the minimum bending radius to be complied with as it changes the 90 degrees. I doubt that there will be much to tamper with inside as there will only be a fibre loop until it needs to be cut for testing.

For businesses, the cable can enter as you suggested, due to things like a bigger cable being used and the techs being able to get access to the building etc.

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