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Generically, an NID may also be called a network interface unit (NIU), [1] telephone network interface (TNI), system network interface (SNI), or telephone network box. Australia's National Broadband Network uses the term network termination device or NTD. A smartjack is a type of NID with capabilities beyond simple electrical connection, such ...
Neptune, also known as Sun Multithreaded 10 GbE, is a dual 10 Gbit/s, multithreaded, PCIe x8-based network interface controller for 10 Gigabit Ethernet.It was developed and originally produced by Sun Microsystems, and later licensed to Marvell Technology Group in 2007.
The primary purpose of a DS1 Network Interface Unit, T1-NIU (AKA Smartjack to many) is to provide a remote test point to the service provider to a DS1 (T1) circuit at the Network Interface (NI). In simple terms, a T1-NIU provides full DS1 loopback towards the network to permit a service provider to test to the NI from a central test center to ...
The modern demarcation point is the network interface device (NID) or intelligent network interface device (INID) also known as a "smartjack". [2] The NID is the telco's property. The NID may be outdoors (typically, mounted on the building exterior in a weatherproof box) or indoors. The NID is usually placed for easy access by a technician.
Network interface may refer to: Network interface controller, a computer hardware component that connects a computer to a computer network; Network interface device, a device that serves as the demarcation point between a telephone carrier's local loop and the customer's wiring; Virtual network interface, an abstract virtualized representation ...
The T-carrier is a hardware specification for carrying multiple time-division multiplexed (TDM) telecommunications channels over a single four-wire transmission circuit. It was developed by AT&T at Bell Laboratories ca. 1957 and first employed by 1962 for long-haul pulse-code modulation (PCM) digital voice transmission with the D1 channel bank.
CSUs can be categorized by the class of service they support (DS1, DS3, DDS, etc.) and by the capabilities within that class.For example, basic DS1 (T1) CSUs support loopback of each interface and will produce alarm indication signal to the provider's network interface device (NID) in the event of loss of signal from the customer-premises equipment (CPE).
In telecommunications, a user–network interface (UNI) is a demarcation point between the responsibility of the service provider and the responsibility of the subscriber. This is distinct from a network-to-network interface (NNI) that defines a similar interface between provider networks.