User:Ashleyvh/Metallic Path Facilities

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Metallic Path Facilities (MPF) are the pair of copper wires (unshielded twisted pair) that run from a Main Distribution Frame (MDF) at a BT local exchange to the end user's home or business premises.

[edit] References

Rubbish below

To enable local loop unbundling (LLU) there are 3 options for how the MDF is configured:

  • "Co-mingling" - having a dedicated area in the exchange
  • "Co-location" - a room is dedicated for the LLU company
  • "Distant co-location" - where there is a seperate building or cabinet near to the BT local exchange

In the telecoms industry and from Openreach's "A guide to Local Loop Unbundling" the following (technical) definition is in common use:
Full Unbundling – Metallic Path Facility (MPF)
Under full MPF, the whole line is transferred from Openreach to communications providers so they can provide their broadband and/or voice services direct to end users.
The communications provider’s network is connected to the Main Distribution Frame (MDF) in a BT exchange via a tie cable. The LLU communications providers then take responsibility for running their customers’ services over the local loop.
- Physical co-location: where communications providers choose to install their network equipment in a BT exchange
- Distant location: where communications providers decide to locate off-site, but close to a BT exchange
Under full unbundling, communications providers have total responsibility for the relationship with their customer, while Openreach provides maintenance for the local loop and responds to fault reports.
Shared Line – Shared Metallic Path Facility (SMPF)
Under SMPF, communications providers share a line between the local telephone exchange and their end user’s premises in order to supply broadband. Telephony services, supplied by a wholesale line rental communications provider (WLR CP) use the same line.
SMPF is made possible by installing ‘splitters’ in the end user’s home/office and the communications provider’s network equipment. Under line sharing, the end user has contracts with both the narrowband provider (WLR CP) and the LLU communications provider.
--Ashleyvh 10:05, 24 October 2006 (UTC)
OfCom ref: Ofcom
BT ref: BT Interconnect

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