Refers to the telco office, usually the one closest to the user's facility, that houses the switching equipment that terminates the local pair of wires which are said to "serve" the user's ISDN, POTS, DSL or other telco line.
(1) Location of telephone switching equipment at which customer’s lines are terminated and interconnected. (2) Switching center that provides local access to the public network. Synonyms: end office, local dial office, wire center or switching center.
(1) Location of telephone switching equipment where customers' lines are terminated and interconnected. (2) Switching center that provides local access to the public network. Sometimes referred to as: End Office, Local Dial Office, Wire Center or Switching Center.
A phrase used to describe a building facility housing telephone equipment used to switch telephone traffic between calling and called parties. Sometimes referred to as switching center, exchange, community dial office, etc.
A telecommunications term used to refer to the physical location of the local telephone company's building where home and business subscriber lines are connected to the rest of the network. For the purposes of Internet access, the central office switching equipment receives data transmission from a customer's location and then threads those transmissions to the Internet over the telephone companies' or third party networks.
CO One local Class 5 Switch with lines to customer locations. (Usually less than 100,000 telephone lines per Central Office.) COs are usually owned and operated by LEC s or BOC s. COs have connections to Tandem ( Class 4 Toll Offices) and often connect directly to other COs and IEC s like LDDS WorldCom, AT&T, MCI, Sprint, etc. A CO is a major equipment center designed to serve the communications traffic of a specific geographic area. CO coordinates are used in mileage calculations for local and interexchange service rates. A Non-Conforming CO is one that does not (yet) support Equal Access.
a local telephone company facility that houses the switching system and related equipment needed to interconnect telephone calls for customers in the immediate geographic area. Every LATA must have at least one central office.
a switching system that connects lines to lines, lines to trunks, and trunks to trunks. These systems are operated by local telephone companies. The term sometimes refers to a telephone company building in which a switching system is located and sometimes includes other equipment (such as transmission system terminals).
The telephone company switching equipment that provides local exchange telephone service for a given area, designated by the first three digits of the telephone number. The telephone equipment housing for a specific geographical area.
A local telephone company switching facility that covers a geographic area such as a small town or a part of a city. Known as the "CO" (see-oh) and also called a local exchange (LE), it is where subscribers' telephone lines in the local loop are terminated and connect to intracity and intercity trunks. There are more than 25,000 central offices in the United States.
In telephone communication in the United States, a central office (CO) is an office in a locality to which subscriber home and business lines are connected on what is called a local loop. The central office has switching equipment that can switch calls locally or to long-distance carrier phone offices.
A location where there is an assembly of equipment that establishes the connections between subscriber lines, trunks, switched access circuits, private line facilities, and special access facilities with the rest of the telephone network.
A telecommunications common carrier facility where calls are switched. In local area exchanges, central offices switch calls within and between the 10,000 line exchange groups that can be addressed uniquely by the area code and first three digits of a phone number.
Local switching center. The name is historically derived from the point where operators in an office were the switching function, connecting and disconnecting calls manually. This evolved over time into the first electronic switch in 1960 known as the No. 1ESS, and to today's electronic TDM-based switches.
AKA â€“ wire center. This is a building in your local area where all of the telephone lines come to. This is the central building where all of the telephone dial tone comes from. The ILEC or RBOCs maintain the central office (CO).
Belonging to your local phone provider, this is the building that houses the phone equipment for your area, such as switches. DSL lines run from the customer's home to this office. It is the distance from this office that determines whether or not you can get DSL service in your home, and what speeds you qualify for. Usually, if you are within about 18,000 feet from the central office, you are able to get some form of DSL service.
A telephone company facility for switching signals among local telephone circuits; connects to subscriber telephones. Also called a switching office. Outside of the US this equipment location is generally referred to as an exchange.
A secure, self-contained telecommunications equipment building that houses servers, storage systems, switching equipment, emergency power systems, and related devices that are used to run telephone systems.
Telephone company’s building where end users' lines are joined to switching equipment that connects other end users to each other, both locally and via long distance carriers. The central office contains the associated inside plant network elements required to perform this function, such as distribution frames, interoffice facility termination points, and so on. Also known as End Office and Entity.
A telephone company faciliy where the local telephone lines terminate. The CO houses the equipment required for switching voice communications across the telephone network. Special equipment is set up at the CO to support DSL service.
The telephone company's local facility providing telephone service in your area. Likened to a node or hub. If the distance between your location and the central office switch exceeds 18,000 feet and/or the signal loss exceeds 35.0 dB, a repeater must be installed to allow ISDN service.
Usually refers to one of two meanings: 1) The local Telco building that houses telephone equipment, and where local loops terminate. 2) The Telco voice switch that provides dial tone. Often referred to as just "CO". Typically, the CO houses one or more DSLAMs that make DSL possible. But, increasingly, DSLAMs are being deployed remotely.
A secure building containing key equipment, such as switches, necessary for voice and data networks. CLECs have the statutory right to collocate and interconnect their equipment in an ILEC's central office.
Can refer to either a telephone company switching centre or the type of telephone switch used in a telephone company switching centre. The local central office receives calls from within the local area and either routes them locally or passes them to an inter-exchange carrier (IXC). On the receiving end, the local central office receives calls that originated in other areas, from the IXC.
The site that contains the local telephone company's equipment that routes calls to and from customers. This site also contains equipment that connects customers to long distance services and internet service providers.
A switching system that connects lines to lines and lines to trunks. The term is sometimes used loosely to refer to a telephone company building in which a switching system is located and to include other equipment (such as transmission system terminals) that may be located in such a building.