In reply to a post by Taras:

it has some huge savings and speed of deployment

Yes this is true but I wouldnt want to be connected via a SHE as I can see fault resolution being slower should a hardware issue occur.

In reply to a post by Taras:

It could even be used to deploy fttp and then at a later date remove it to provide a full passive spine.

Cant see Openreach spending the extra money once it goes live.

Several hundred

Thanks again @ witchunt for your insight.

That’s really quite widespread!!

As there’s around what 500-550? or so head end / handover FTTP exchanges in the country, SHEs are really up there as as second FTTP deployment approach, rather than some niche “exception to the rule” as is sometimes implied.

Over a thousand headend exchanges.

Thanks for the answers so far, a couple more questions.

With the SHE now in place, is that most of the work done? Do they run fibre from the SHE around the estate before the fibre is live, or wait until a customer places an order?

Does the fibre coming from the SHE usually follow the path of the existing ducting, or take the shortest route? Reason being, the copper comes out of my cab (one in pic with a hedge behind it) and then instead of going straight into my estate, it heads out of town to a SCP around 300m away, before coming back to my estate, through a different entrance, meaning the fibre would have to be a lot longer (at least 300m) than if it just went straight into the estate.

Finally, I probably know the answer to tis, but any idea on an average timescale for this to now be live?

Cheers. Not sure why I thought it was 500 to 550. Memory must be fading 😂

Yes I can see now from another conversation with @kitcat several years ago that out the 5500 exchange estate, after rationalisation some 1000 to 1200 would be kept as headend exchanges

In reply to a post by PCJM40:

Yes this is true but I wouldnt want to be connected via a SHE as I can see fault resolution being slower should a hardware issue occur.

It should only be an extra point of failure[lots of points of failure at the point though]

In reply to a post by PCJM40:

Cant see Openreach spending the extra money once it goes live.

Also raises the questions of future deployment of xgs-pon and 25/40gb pon too

Edited by Taras (Sun 17-Sep-23 15:56:39)

In reply to a post by Taras:

In reply to a post by PCJM40:

Yes this is true but I wouldnt want to be connected via a SHE as I can see fault resolution being slower should a hardware issue occur.

It should only be an extra point of failure[lots of points of failure at the point though]

In reply to a post by PCJM40:

Cant see Openreach spending the extra money once it goes live.

Also raises the questions of future deployment of xgs-pon and 25/40gb pon too

There's enough space in that cab to fit another 1RU OLT next to the existing one, if needs must. Alternatively the line card would have spare ports to drop a higher PON bandwidth optic in and they'll just combine the existing and new wavelengths through a WDM co-existence element before it hits the PON.

No biggie I don't think from an upgradability perspective.

Not unusual to have multiple SHE's in one pod

Are they all Nokia OLTs - or do you use any Adtran for example?