Openreach FTTP ONT: Difference between revisions

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=Summary:=

* In short, the ONT in installed inside the customer's premises by ~~CityFibre~~ and converts the fibre connection from the outside world in to a RJ45 port which you plug in to your router with a CAT5 cable.

* In short, the ONT in installed inside the customer's premises by Openreach and converts the fibre connection from the outside world in to a RJ45 port which you plug in to your router with a CAT5 cable.

* The ONT requires power, and a UPS is recommended, see our [[VoIP_Power]] page for suggestions.

* Openreach have a [https://www.openreach.co.uk/cpportal/content/dam/cpportal/public/images-and-documents/home/help-and-support/sins/documents/Optical_Network_Terminals_ONTs_v1_1.pdf specification document].

Openreach provide an ONT for use with FTTP services. - so when you order a BT-based FTTP service from A&A, an Openreach engineer will install the little ONT unit in your premises. You then connect your Ethernet router to it and set your router with the A&A PPP credentials to log in.

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* Where provided, the battery has a short warranty, and should be maintained by the end user, however, the battery is to keep the unit powered so that the TEL ports can be used during a power outage - we don't use the TEL ports, so you will want to make other arrangements for using a phone during a power outage - eg a mobile phone. See: [[999_and_faults]]

* At least newly installed BT ONTs support Baby Jumbo frames (see [[MTU]])

* Openreach have a [https://www.openreach.co.uk/cpportal/content/dam/cpportal/public/images-and-documents/home/help-and-support/sins/documents/Optical_Network_Terminals_ONTs_v1_1.pdf specification document].

== Openreach ONT LED Status ==

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== External links ==

* [https://www.openreach.com/content/dam/openreach/openreach-dam-files/images/news-and-opinion/articles/2018/02/ONT%20Factsheet.pdf 1+1 ONT and Enclosure Factsheet]

=Outdoor Junction box=

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This is a passive device, doesn't require power, and is just used to connect the two fibres together. The photo shows both a Brown CityFibre unit and a Grey Openreach unit.

= Download Committed Rate =

BT's FTTP service is a domestic-grade service and the technology uses a shared path - multiple premises will use the same fibres within the network and so there is contention. Usually this does not lead to congestion - if it does then we'll take that on as a fault. BT Wholesale to specify the ''Minimum ‘Best Efforts’ Downstream Throughput'' for services as is shown below, this said, BT also state that in reality services typically operate closer to the purchased speed for the majority of the day.

{| class="wikitable"

|-

! Service

! Minimum ‘Best Efforts’ Downstream Throughput (Mb/s)

|-

! 115/20

| 60

|-

! 160/30

| 95

|-

! 330/50

| 165

|-

! 550/75

| 195

|-

! 1000/115

| 195

|}