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FXO and FXS interfaces are available for computers and networking equipment to interface these directly with plain old telephone service (POTS) systems. An FXO device is any device that, from the point of view of a telephone exchange , appears to be a telephone.
Such devices may also have a foreign exchange office (FXO) interface for providing alternative access to traditional landline telephone service. The ATA provides dial tone, ringing generator, DC power, caller ID data and other standard telephone line signaling (known collectively as BORSCHT) to the telephone connected to a modular jack.
A voice interface card or VIC is a hardware interface that simulates a FXS on a router or network switch. This device port is used to interface telephone voice or other audio-based FXS devices. Typically, a VIC contains one or more RJ-11 ports, allowing connections to basic telephone service , equipment, keysets, and PBXes. [1]
At subscriber sites (e.g., residence), this could be inside or behind the housing of a modular connector or at the network interface. When connected to a line, a lineman's handset is essentially indistinguishable from regular subscriber equipment. The technician can monitor an active call, answer incoming calls, and make outgoing calls.
In telecommunications, a network interface device (NID; also known by several other names) is a device that serves as the demarcation point between the carrier's local loop and the customer's premises wiring. Outdoor telephone NIDs also provide the subscriber with access to the station wiring and serve as a convenient test point for ...
A residential gateway is a networking device used to connect devices in the home to the Internet or other wide area network (WAN). It is an umbrella term, used to cover multi-function networking appliances used in homes, which may combine a DSL modem or cable modem, a network switch, a consumer-grade router, and a wireless access point.
Networking hardware, also known as network equipment or computer networking devices, are electronic devices that are required for communication and interaction between devices on a computer network. Specifically, they mediate data transmission in a computer network. [ 1 ]
A duplex communication system is a point-to-point system composed of two or more connected parties or devices that can communicate with one another in both directions. Duplex systems are employed in many communications networks, either to allow for simultaneous communication in both directions between two connected parties or to provide a reverse path for the monitoring and remote adjustment ...