Cabling and ONT positioning
Wherever possible, the duct shall be positioned
on the opposite side of the wall to where the ONT
will be installed, removing the need to run internal
bre cables. However, there are cases where the
kit will need to be installed away from the external
lead in and your FBC will be able to advise.
When Openreach is to install the Openreach ONT, battery
backup and external customer splice point, two metres of
cable is required at external end and 1m (or 2m for non-
connectorised cable) at the internal point of the installation.
It shall be left coiled and housed/protected within a
ush mounted double back box and faceplate ready for
Openreach provision of ONT and BB.
ONT installed inside the house (non-default position)
When the ONT is to be tted in a non-default
position i.e. not directly behind the external
CSP, such as in a utility cupboard, the above
guidelines shall be followed to provide entry of
the cable into the home.
What will be different will be the length of cable
that will run from the entry point into the building
to the Openreach ONT. In this case you have
the responsibility of running the connectorised
internal bre cable required inside the house in
such a way that it is undamaged and complies
with building regulations for the installation of
telecommunications infrastructure cabling.
The same rules apply to the running of bre
cable internally that are specied in the section
on exterior ducting. For example, the installation
of the bre cable in protective conduit and the
absence of a bend more than 90°.
Once installed the ONT and BBU need to
be kept powered on.
If this option is followed but the cable is found
to be damaged once in situ, either during
installation, damage sustained by construction
work inside the property, or damage subsequent
to the home owner occupying the property,
then unless you at your expense opt to replace
the damaged bre cable during commissioning
of the property, then Openreach will install
the equipment in the default location within
the home using surface mounted cables and
charge accordingly.
The developer must run the connectorised
internal bre cable in a continuous length and it
must remain free from any damage that could
reduce the lifespan of the cable.
Interconnecting voice lead (Item Code
077004) will be provided free of charge
by Openreach. It provides connectivity
from the ONT to a co-located voice
socket/patch panel. On installation
it becomes the property of the home
owner. Alternatively, the developer may
choose to hardwire directly into a voice
socket using a 431A Plug.
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