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An Openreach engineer working on the "Superfast West Yorkshire" project in Wetherby (2014) at a manhole. Following the Telecommunications Strategic Review (TSR), in September 2005 British Telecom signed undertakings with Ofcom to create a separate division, for the purpose of providing equal access to BT’s local access network and backhaul products. [3]
For almost as long as telephones have been a common feature in homes and offices, telecommunication companies have regularly been faced with a situation where demand in a particular street or area exceeds the number of physical copper pairs available from the pole to the exchange.
A = Prefix: 3–5 Alphanumeric characters. This is a unique identifier. Required. B = Facility Type: 1–6 Alphanumeric characters. Describes the "type" of facility circuit. Required. C = CLLI Code for the A-location: 8 or 11 alphanumeric characters. Required. D = CLLI Code for the Z-location: 8 or 11 alphanumeric characters. Required. Example:
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From Q3 2016, Openreach started using a new, "toolless" version of the demarcation socket—the NTE5C—which does not require an IDC tool to make the connections. Krone IDC Tool, showing the wire removal tool open officially known as Inserter Wire No. 2a
Downstream traffic in active (top) vs. passive optical network. A passive optical network consists of an optical line terminal (OLT) at the service provider's central office (hub), passive (non-power-consuming) optical splitters, and a number of optical network units (ONUs) or optical network terminals (ONTs), which are near end users.
xDSL Connectivity diagram. A broadband remote access server (BRAS, B-RAS or BBRAS) routes traffic to and from broadband remote access devices such as digital subscriber line access multiplexers (DSLAM) on an Internet service provider's (ISP) network.
Metallic path facility (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. In this variant, both broadband and voice (baseband) services, together potentially with a video on demand service, are provided to the end user by a single communications provider.