Metallic path facilities

Metallic path facilities (MPF) are the unshielded twisted pair of copper wires that run from a main distribution frame (MDF) at a local telephone exchange to the customer.

See also

• Telephone exchange
• Local-loop unbundling
• Local loop
• Main distribution frame

References

• "Openreach Local Loop Unbundling". BT Interconnect. http://www.btinterconnect.com/llunbundle/index.htm. Retrieved 2006-10-27.